{"type":"FeatureCollection","features":[{"type":"Feature","id":10814,"geometry":{"type":"Polygon","coordinates":[[[-97.05669999999998,28.143490000000043],[-97.05860999999999,28.142070000000047],[-97.05840999999998,28.139680000000055],[-97.05777999999998,28.138580000000047],[-97.05071999999996,28.14292000000006],[-97.05669999999998,28.143490000000043]]]},"properties":{"ESRI_OID":10814,"MSI_UID":10814,"ATU":8,"TITLE":"Aransas Bay Alternate Route - Aransas Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384795,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:seccorchrexcecozon:seccorchrtersea:seccorchrsublanact:arapastobafbay:arabayaltrou:arabay","WATERWAY_NAME":"Aransas Bay","CREATE_DATE":1738941321000,"MODIFIED_DATE":1738941351000,"BEGIN_DATE":1738627200000,"END_DATE":1800835199000,"DESCRIPTION":"Copano Bay - Danger Pile Private Aid to Navigation --- Established: 2025-02-05 --- Four danger piles with reflective markers have been established in Copano Bay marking an oyster reef.  Mariners are urged to transit the area with caution. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-97.0567,28.14349],[-97.05861,28.14207],[-97.05841,28.13968],[-97.05778,28.13858],[-97.05072,28.14292],[-97.0567,28.14349]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":11976,"geometry":{"type":"Polygon","coordinates":[[[-87.99692999999996,30.78839000000005],[-87.99865999999997,30.78785000000005],[-87.99842999999998,30.787460000000067],[-87.99666999999994,30.788080000000036],[-87.99692999999996,30.78839000000005]]]},"properties":{"ESRI_OID":11976,"MSI_UID":11976,"ATU":8,"TITLE":"Mobile Channel - Mobile River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385077,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv","WATERWAY_NAME":"Mobile River","CREATE_DATE":1740410957000,"MODIFIED_DATE":1740411034000,"BEGIN_DATE":1740355200000,"END_DATE":1803513599000,"DESCRIPTION":"Mobile River - Twelve Mile Island - Private Aid to Navigation Established --- On: 2025-02-21 --- Four danger marker lights with a flashing white light at night have been established along the LDB of the Mobile River near the Twelve Mile Island split. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-87.99693,30.78839],[-87.99866,30.78785],[-87.99843,30.78746],[-87.99667,30.78808],[-87.99693,30.78839]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":25968,"geometry":{"type":"Polygon","coordinates":[[[-80.73752999999994,39.976090000000056],[-80.73852999999997,39.973040000000026],[-80.73732999999999,39.97272000000004],[-80.73687999999999,39.97604000000007],[-80.73752999999994,39.976090000000056]]]},"properties":{"ESRI_OID":25968,"MSI_UID":25968,"ATU":2,"TITLE":"Lower Mississippi River - Ohio River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381306,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv","WATERWAY_NAME":"Ohio River","CREATE_DATE":1755174687000,"MODIFIED_DATE":1768312201000,"BEGIN_DATE":1755129600000,"END_DATE":1786751999000,"DESCRIPTION":"Continuing until August 13, 2026, Expand Water Resources LLC., installed a spud barge along the LDB, in the vicinity of Mile 97.1.  A 16-inch waterline and gangway will extend from the barge to the shoreline.  Mariners may contact Mike Tuttle at (304) 266-3900, for further information.  Mariners are urged to transit the area with caution. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-80.73753,39.97609],[-80.73853,39.97304],[-80.73733,39.97272],[-80.73688,39.97604],[-80.73753,39.97609]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":26270,"geometry":{"type":"Polygon","coordinates":[[[-95.05064999999996,29.711600000000033],[-95.05257999999998,29.710200000000043],[-95.05150999999995,29.709730000000036],[-95.04736999999994,29.708650000000034],[-95.04394999999994,29.707760000000064],[-95.03894999999994,29.706510000000037],[-95.03214999999994,29.70464000000004],[-95.02839999999998,29.70312000000007],[-95.02480999999995,29.702440000000024],[-95.02298999999994,29.70282000000003],[-95.01959999999997,29.704120000000046],[-95.02058999999997,29.70559000000003],[-95.02189999999996,29.704680000000053],[-95.02339999999998,29.703900000000033],[-95.02530999999999,29.703950000000077],[-95.02746999999994,29.704920000000072],[-95.02978999999999,29.705540000000042],[-95.03322999999995,29.706470000000024],[-95.03588999999994,29.707230000000038],[-95.03867999999994,29.70792000000006],[-95.04304999999994,29.709140000000048],[-95.04549999999995,29.70977000000005],[-95.04869999999994,29.710680000000025],[-95.05064999999996,29.711600000000033]]]},"properties":{"ESRI_OID":26270,"MSI_UID":26270,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Houston Ship Channel/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:houshicha","WATERWAY_NAME":"Houston Ship Channel","CREATE_DATE":1755634837000,"MODIFIED_DATE":1755701261000,"BEGIN_DATE":1755561600000,"END_DATE":1787183999000,"DESCRIPTION":"San Jacinto Bay Barge Channel - USI Canal - Aid to Navigation Discontinuation --- Reported: 2025-08-19 --- The private aids to navigation marking the San Jacinto Bay Barge Channel (USI Canal), from San Jacinto Bay Barge Channel Daybeacon 5 (LLNR-25120) to San Jacinto Bay Barge Channel Daybeacon 28 (LLNR-25200) have been discontinued.  Vessels should avoid meeting or overtaking throughout the channel and should exercise extreme caution when transiting at night or during reduced visibility.  Mariners accustomed to utilizing these private aids when navigating the San Jacinto Bay Barge Channel (USI Canal) should transit the area with caution. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-95.05065,29.7116],[-95.05258,29.7102],[-95.05151,29.70973],[-95.04737,29.70865],[-95.04395,29.70776],[-95.03895,29.70651],[-95.03215,29.70464],[-95.0284,29.70312],[-95.02481,29.70244],[-95.02299,29.70282],[-95.0196,29.70412],[-95.02059,29.70559],[-95.0219,29.70468],[-95.0234,29.7039],[-95.02531,29.70395],[-95.02747,29.70492],[-95.02979,29.70554],[-95.03323,29.70647],[-95.03589,29.70723],[-95.03868,29.70792],[-95.04305,29.70914],[-95.0455,29.70977],[-95.0487,29.71068],[-95.05065,29.7116]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":30961,"geometry":{"type":"Polygon","coordinates":[[[-82.92809999999997,42.35809000000006],[-82.95739999999995,42.35445000000004],[-82.97078999999997,42.35623000000004],[-82.99332999999996,42.34921000000003],[-83.01507999999995,42.336010000000044],[-83.01140999999996,42.33077000000003],[-82.98348999999996,42.33314000000007],[-82.95876999999996,42.33982000000003],[-82.92008999999996,42.34794000000005],[-82.92809999999997,42.35809000000006]]]},"properties":{"ESRI_OID":30961,"MSI_UID":30961,"ATU":9,"TITLE":"General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385968,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv","WATERWAY_NAME":"Detroit River","CREATE_DATE":1761395804000,"MODIFIED_DATE":1761395830000,"BEGIN_DATE":1761350400000,"END_DATE":1780358399000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2025-10-25 To: 2026-06-01\n\nHerpetological Resource and Management, LLC will be studying the movement of mudpuppies (a protected salamander species) using acoustic telemetry. \n\nProject Details & Safety Measures:\n•\tEquipment: We will be installing underwater stations. Each station consists of an 4-8-foot galvanized metal pole anchored with a dock sand anchor into the river bottom.\n•\tLocation & Navigation Safety: The poles will be placed in near-shore waters at depths of 6-12 feet, ensuring the top of each pole is at least 2 feet below the water's surface. All sites have been selected to be well outside of any designated shipping channels.\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-82.9281,42.35809],[-82.9574,42.35445],[-82.97079,42.35623],[-82.99333,42.34921],[-83.01508,42.33601],[-83.01141,42.33077],[-82.98349,42.33314],[-82.95877,42.33982],[-82.92009,42.34794],[-82.9281,42.35809]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":31826,"geometry":{"type":"Polygon","coordinates":[[[-87.96559999999994,30.202360000000056],[-87.96559999999994,30.201310000000035],[-87.96439999999996,30.201310000000035],[-87.96439999999996,30.202360000000056],[-87.96559999999994,30.202360000000056]]]},"properties":{"ESRI_OID":31826,"MSI_UID":31826,"ATU":8,"TITLE":"Sector Mobile, Territorial Sea - Sector Mobile, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384736,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact","WATERWAY_NAME":"Sector Mobile, Submerged Land Act (SLA)","CREATE_DATE":1762958812000,"MODIFIED_DATE":1773942562000,"BEGIN_DATE":1762905600000,"END_DATE":1883001599000,"DESCRIPTION":"Gulf of America - Aquaculture Platform Installation --- From: 2025-11-24 To: 2029-08-30 --- An aquaculture platform with a mooring system will be deployed as a temporary demonstration project in approximate position 30-12-06.73N 087-57-53.89W.  The platform will feature yellow lights at night with yellow mooring buoys deployed nearby marking the subsea moorings.  The M/V SPINNER will be on site intermittently for feeding and aquaculture operations.  Mariners are urged to transit the area with caution.  POC: (256) 415-3534","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-87.9656,30.20236],[-87.9656,30.20131],[-87.9644,30.20131],[-87.9644,30.20236],[-87.9656,30.20236]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":33634,"geometry":{"type":"Polygon","coordinates":[[[-124.21834999999999,44.58411000000007],[-124.24166999999994,44.58331000000004],[-124.23954999999995,44.55000000000007],[-124.21616999999998,44.550730000000044],[-124.21834999999999,44.58411000000007]]]},"properties":{"ESRI_OID":33634,"MSI_UID":33634,"ATU":13,"TITLE":"Sector Columbia River, Exclusive Economic Zone (EEZ) - Sector Columbia River, Territorial Sea/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385748,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:seccolrivexcecozon:seccolrivtersea","WATERWAY_NAME":"Sector Columbia River, Territorial Sea","CREATE_DATE":1765383741000,"MODIFIED_DATE":1779225643000,"BEGIN_DATE":1765324800000,"END_DATE":1851811199000,"DESCRIPTION":"PacWave continues to maintain a network of site monitoring equipment, seafloor instrumentation, and subsea cable infrastructure throughout the PacWave South wave energy test site, approximately 7 nautical miles WSW of the Yaquina Bay Entrance. Some of the monitoring buoys are low profile and may be difficult to see in elevated sea states. All buoys have a yellow hull, are lighted with a flashing amber light, and are deployed as single-point moorings. PacWave has also installed four long-term surface marker buoys that visually delineate the corners of the test site: NW (44°34.9988'N, 124°14.4998'W), NE (44°35.0465'N, 124°13.1008'W), SE (44°33.0437'N, 124°12.9700'W), and SW (44°33.0000'N, 124°14.3730'W). These corner markers are approximately 9 feet tall, have a yellow / red hull, a fixed yellow tower structure with integrated radar reflector, green grating on the lower half of the tower, reflective tape on the upper tower, and are lighted. These markers are also single-point moorings and will remain in place as part of PacWave’s maintained offshore infrastructure. Mariners should be aware that subsurface equipment and mooring components may also be present. Mariners are requested to avoid the test site if possible and to use caution when navigating in or near the area. For additional information, contact brett.hembrough@oregonstate.edu or 541-737-9023. If there is an emergency or concerns regarding this equipment, please call our 24 / 7 Watch Desk at 541-819-4096. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-124.21835,44.58411],[-124.24167,44.58331],[-124.23955,44.55],[-124.21617,44.55073],[-124.21835,44.58411]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":34424,"geometry":{"type":"Polygon","coordinates":[[[-81.37153999999998,38.19464000000005],[-81.37177999999994,38.194300000000055],[-81.36684999999994,38.192120000000045],[-81.36665999999997,38.19249000000008],[-81.37153999999998,38.19464000000005]]]},"properties":{"ESRI_OID":34424,"MSI_UID":34424,"ATU":2,"TITLE":"General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381292,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv:kanriv","WATERWAY_NAME":"Kanawha River","CREATE_DATE":1767098769000,"MODIFIED_DATE":1767099179000,"BEGIN_DATE":1767052800000,"END_DATE":1798761599000,"DESCRIPTION":"Commencing January 11, 2026, London L/D will decrease hours of operations.  The lock will operate from 7:00 a.m. to 5:00 p.m. and from 7:00 p.m. and 5:00 a.m., 7-days a week.  Mariners may contact the Lockmaster at (304) 442-8422, for further information.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-81.37154,38.19464],[-81.37178,38.1943],[-81.36685,38.19212],[-81.36666,38.19249],[-81.37154,38.19464]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":34449,"geometry":{"type":"Polygon","coordinates":[[[-124.12279999999998,44.69850000000008],[-124.14619999999996,44.69780000000003],[-124.14509999999996,44.68110000000007],[-124.12179999999995,44.68190000000004],[-124.12279999999998,44.69850000000008]]]},"properties":{"ESRI_OID":34449,"MSI_UID":34449,"ATU":13,"TITLE":"General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385741,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:seccolrivexcecozon:seccolrivtersea:seccolrivsublanact","WATERWAY_NAME":"Sector Columbia River, Submerged Land Act (SLA)","CREATE_DATE":1767121597000,"MODIFIED_DATE":1767121633000,"BEGIN_DATE":1767052800000,"END_DATE":1798761599000,"DESCRIPTION":"PacWave has deployed and continues to maintain site monitoring equipment throughout the PacWave North wave energy test site, located near Newport, Oregon, approximately 2 nautical miles WNW of Yaquina Head. This equipment supports ongoing environmental monitoring, site characterization, and test site operations. Some of the monitoring buoys are low profile and may be difficult to see in elevated sea states. Surface buoys are deployed as a single-point moorings, have yellow hulls, and are lighted. Mariners should be aware that subsurface equipment and mooring components may also be present. Mariners are requested to avoid the PacWave North test site if possible and to use caution when navigating or operating in or near the area.\n\nThe test site corner boundaries are as follows:\nNW (44-41.868 N, 124-08.772 W)\nNE (44-41.910 N, 124-07.368 W)\nSE (44-40.914 N, 124-07.308 W)\nSW (44-40.866 N, 124-08.706 W)\n\nBuoys are located at:\nFLOATr (44-41.832 N, 124-08.722 W)\nSpotter (44-41.832 N, 124-08.722 W)\n\nFor additional information, contact brett.hembrough@oregonstate.edu or 541-737-9023. If there is an emergency or concerns regarding this equipment, please call our 24/7 Watch Desk at 541-819-4096.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-124.1228,44.6985],[-124.1462,44.6978],[-124.1451,44.6811],[-124.1218,44.6819],[-124.1228,44.6985]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":34771,"geometry":{"type":"Polygon","coordinates":[[[-90.61686999999995,29.199020000000075],[-90.61814999999996,29.19864000000007],[-90.61926999999997,29.197650000000067],[-90.61987999999997,29.196700000000078],[-90.61856999999998,29.196270000000027],[-90.61848999999995,29.196650000000034],[-90.61822999999998,29.197100000000034],[-90.61756999999994,29.197610000000054],[-90.61708999999996,29.197850000000074],[-90.61607999999995,29.197430000000054],[-90.61528999999996,29.19649000000004],[-90.61478999999997,29.19622000000004],[-90.61303999999996,29.196240000000046],[-90.61466999999999,29.19835000000006],[-90.61557999999997,29.198870000000056],[-90.61686999999995,29.199020000000075]]]},"properties":{"ESRI_OID":34771,"MSI_UID":34771,"ATU":8,"TITLE":"General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384835,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:catislpas:hounavcan:timterbay","WATERWAY_NAME":"Timbalier Terrebonne Bay","CREATE_DATE":1767819029000,"MODIFIED_DATE":1767873707000,"BEGIN_DATE":1767744000000,"END_DATE":1798847999000,"DESCRIPTION":"Houma Navigation Canal - Terrebonne Bay - Breakwaters --- Reported: 2025-02-24 --- The Terrebonne Houma Navigation Canal Island Restoration Project is complete.  Rock breakwaters have been constructed along the north and east side of the Houma Navigation Canal Island.  The constructed breakwaters have not been charted.  Permanent lighted danger markers have been established in the area to mark the breakwaters.  Mariners are urged to transit the area with caution. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-90.61687,29.19902],[-90.61815,29.19864],[-90.61927,29.19765],[-90.61988,29.1967],[-90.61857,29.19627],[-90.61849,29.19665],[-90.61823,29.1971],[-90.61757,29.19761],[-90.61709,29.19785],[-90.61608,29.19743],[-90.61529,29.19649],[-90.61479,29.19622],[-90.61304,29.19624],[-90.61467,29.19835],[-90.61558,29.19887],[-90.61687,29.19902]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":34825,"geometry":{"type":"Polygon","coordinates":[[[-94.88521999999995,29.63966000000005],[-94.90913999999998,29.621020000000044],[-94.89506999999998,29.602050000000077],[-94.86802999999998,29.61770000000007],[-94.88521999999995,29.63966000000005]]]},"properties":{"ESRI_OID":34825,"MSI_UID":34825,"ATU":8,"TITLE":"General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385102,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:galbay","WATERWAY_NAME":"Galveston Bay","CREATE_DATE":1767895100000,"MODIFIED_DATE":1767895230000,"BEGIN_DATE":1767830400000,"END_DATE":1782950399000,"DESCRIPTION":"Galveston Bay - Trinity Bay - Rock Placement Site --- Established: 2025-10-15 --- An uncharted 250-acre island, Three Bird Island, has been created in Galveston/Trinity Bay.  The island is bound by approximate positions: 29-37-15.71N 094-54-32.90W, 29-36-07.86N 094-53-42.31W, 29-37-03.73N 094-52-04.92W and 29-38-22.76N 094-53-06.79W.  Mariners are urged to transit the area with caution. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-94.88522,29.63966],[-94.90914,29.62102],[-94.89507,29.60205],[-94.86803,29.6177],[-94.88522,29.63966]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":35110,"geometry":{"type":"Polygon","coordinates":[[[-117.31763999999998,32.80147000000005],[-117.56612999999999,32.80001000000004],[-117.55174999999997,32.76634000000007],[-117.39900999999998,32.75039000000004],[-117.29104999999998,32.740530000000035],[-117.29501999999997,32.801120000000026],[-117.31763999999998,32.80147000000005]]]},"properties":{"ESRI_OID":35110,"MSI_UID":35110,"ATU":11,"TITLE":"Sector San Diego, Territorial Sea - Sector San Diego, Submerged Lands Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385453,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsandieexcecozon:secsandietersea:secsandiesublanact","WATERWAY_NAME":"Sector San Diego, Submerged Lands Act (SLA)","CREATE_DATE":1768325659000,"MODIFIED_DATE":1768330728000,"BEGIN_DATE":1768262400000,"END_DATE":1798847999000,"DESCRIPTION":"Anduril Industries will be conducting Autonomous Underwater Vehicle (AUV) operations in the vicinity of Dana Point, California. The scope of operations includes deployment and recovery activities supported by the research vessel RV Zephyr (IMO 8992845, MMSI 338142000).\n\nOperations are scheduled to take place from January 23, 2026, through December 31, 2026.\n\nThe operational area is defined by the following coordinates:\n\nTop Left: 32.79972° N, -117.56750° W\nBottom Left: 32.75306° N, -117.55861° W\nTop Right: 32.80083° N, -117.29639° W\nBottom Right: 32.76250° N, -117.28639° W\nThis operation is referenced on NOAA Chart 18740. The RV Zephyr will be on scene and monitoring VHF Channel 16.\n\nAll mariners are advised to transit the area with caution when near the RV Zephyr. For further information or details, please contact Josh Knaak at +1-949-512-1312 or +1-949-841-9239.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.31764,32.80147],[-117.56613,32.80001],[-117.55175,32.76634],[-117.39901,32.75039],[-117.29105,32.74053],[-117.29502,32.80112],[-117.31764,32.80147]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":35115,"geometry":{"type":"Polygon","coordinates":[[[-122.76817999999997,36.632760000000076],[-123.23509999999999,36.43856000000005],[-123.05381999999997,36.18626000000006],[-122.58140999999995,36.38993000000005],[-122.76817999999997,36.632760000000076]]]},"properties":{"ESRI_OID":35115,"MSI_UID":35115,"ATU":11,"TITLE":"Sector San Francisco, Submerged Land Act (SLA) - Monterey/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385469,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:mon","WATERWAY_NAME":"Monterey","CREATE_DATE":1768326920000,"MODIFIED_DATE":1768330708000,"BEGIN_DATE":1768262400000,"END_DATE":1798847999000,"DESCRIPTION":"The Monterey Bay Aquarium Research Institute (MBARI) will be conducting autonomous, unmanned maritime vehicle operations using two Liquid Robotics, Inc. Wave Gliders in Monterey Bay. The scope of operations includes continuous scientific ocean data collection utilizing Wave Gliders remotely attended from MBARI.\n\nOperations are scheduled to take place 24 hours a day, seven days a week, from January 12, 2026, through December 31, 2026.\n\nWave Glider vehicles will be deployed in the vicinity of Moss Landing and will operate continuously between latitudes 36.30000° N and 37.20000° N, extending shoreward from as far west as -122.97650° W. Each Wave Glider is approximately 8 feet by 2 feet (surfboard size), yellow/copper in color, with a contact plaque and a mast extending 1 meter above the water surface supporting a flag. The vehicles are wave-powered, carry no fuel, lubricants, or hydrocarbons, move at speeds of approximately 1 knot, and are designed to give way or part if encountered by a vessel.\n\nAll mariners are advised to transit the area with caution. For further information, please contact MBARI at 831-775-1700 or waveglider@listserver.mbari.org, or Liquid Robotics 24/7 WGOC Operations at 888-574-4574 or +1 408-636-4205.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.76818,36.63276],[-123.2351,36.43856],[-123.05382,36.18626],[-122.58141,36.38993],[-122.76818,36.63276]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":35119,"geometry":{"type":"Polygon","coordinates":[[[-122.43206999999995,37.42277000000007],[-122.94567999999998,37.37695000000008],[-122.92644999999999,37.324550000000045],[-122.41009999999994,37.375860000000046],[-122.43206999999995,37.42277000000007]]]},"properties":{"ESRI_OID":35119,"MSI_UID":35119,"ATU":11,"TITLE":"Sector San Francisco, Territorial Sea - Sector San Francisco, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385458,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact","WATERWAY_NAME":"Sector San Francisco, Submerged Land Act (SLA)","CREATE_DATE":1768327540000,"MODIFIED_DATE":1768330672000,"BEGIN_DATE":1768262400000,"END_DATE":1798847999000,"DESCRIPTION":"Open Ocean Robotics will be operating uncrewed surface vehicles (USVs) within a 10 nautical mile radius centered on NOAA Buoy 46012 (37.35556° N, -122.88083° W), approximately 24 nautical miles south-southwest of San Francisco, CA. The scope of operations includes continuous remote operation of one USV at a time, with periodic battery swaps requiring brief overlap of two USVs in the area.\n\nOperations are scheduled to take place 24 hours a day, seven days a week, from January 20, 2026, through December 31, 2026.\n\nDuring battery swaps, one USV will hold station while the replacement USV transits from Half Moon Bay to the operational area. Once the replacement USV arrives, the original USV will return to Half Moon Bay for recharging. The USVs are broadcasting on AIS under the names “DATAXPLORER013” (MMSI 316056469) and “DATAXPLORER016” (MMSI 316058968), and are equipped with radar reflectors and small-craft navigation lights. Each vessel is approximately 12 feet long, 3 feet wide, and 4 feet high, colored red and white.\n\nAll mariners are advised to transit the area with caution. For more information, please contact Madeleine Bouvier-Brown at 604-347-0036.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.43207,37.42277],[-122.94568,37.37695],[-122.92645,37.32455],[-122.4101,37.37586],[-122.43207,37.42277]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":36422,"geometry":{"type":"Polygon","coordinates":[[[-94.60261999999994,29.42253000000005],[-94.62581999999998,29.370550000000037],[-94.55006999999995,29.370850000000075],[-94.52652999999998,29.42223000000007],[-94.60261999999994,29.42253000000005]]]},"properties":{"ESRI_OID":36422,"MSI_UID":36422,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384754,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact","WATERWAY_NAME":"Sector Houston-Galveston, Submerged Land Act (SLA)","CREATE_DATE":1770218399000,"MODIFIED_DATE":1770220786000,"BEGIN_DATE":1770163200000,"END_DATE":1798847999000,"DESCRIPTION":"Gulf of America - Unmanned Surface Vessel Testing --- From: 2026-02-04 To: Until Further Notice --- Unmanned surface vessel (USV) tests will be conducted in the Gulf of America, in an area bound by approximate positions: 29-25-21.12N 094-36-09.42W, 29-25-20.04N 094-31-35.52W, 29-22-15.06N 094-33-00.24W, and 29-22-13.98N 094-37-32.94W.  USV operations will take place Monday through Friday, from 8:00 a.m. to 6:00 p.m.  Mariners are requested to contact the on-scene support vessel SARONIC RANGER to coordinate transits in the USV operating area.  VHF-FM Channel: 16","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-94.60262,29.42253],[-94.62582,29.37055],[-94.55007,29.37085],[-94.52653,29.42223],[-94.60262,29.42253]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":36901,"geometry":{"type":"Polygon","coordinates":[[[-125.04951999999997,48.17158000000006],[-126.49644999999998,48.12739000000005],[-125.81529999999998,42.00100000000003],[-124.51890999999995,42.00100000000003],[-125.04951999999997,48.17158000000006]]]},"properties":{"ESRI_OID":36901,"MSI_UID":36901,"ATU":13,"TITLE":"NAVAREA XII - District 13, Oceanic boundary to EEZ/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385400,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13","WATERWAY_NAME":"District 13, Oceanic boundary to EEZ","CREATE_DATE":1770762482000,"MODIFIED_DATE":1770762491000,"BEGIN_DATE":1770681600000,"END_DATE":1783036799000,"DESCRIPTION":"Liquid Robotics (www.liquid-robotics.com) will conduct continuous autonomous, uncrewed maritime vehicle operations from 23 Apr – 01 Jul 2026 off the Oregon and Washington coasts, between 10 – 80 nautical miles offshore. Operations consist of scientific ocean data collection. Wave Glider carries no fuel, lubricants, or hydrocarbons, is wave powered, remotely attended from our Wave Glider Operations Center (WGOC), moving at speeds of typically 1 kt, and designed to give way if encountered by a vessel. It is surfboard size, copper in color, with a contact plaque and mast extending 1 meter above the surface supporting a flag and a solid white light for use at night. Mariners are urged to transit the area with caution. For up-to-date information, mariners can contact Liquid Robotics Operations Center at 703-376-9300, or by email at support@liquid-robotics.com.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-125.04952,48.17158],[-126.49645,48.12739],[-125.8153,42.001],[-124.51891,42.001],[-125.04952,48.17158]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":37352,"geometry":{"type":"Polygon","coordinates":[[[-163.29441999999997,55.10964000000007],[-163.54160999999996,55.04850000000005],[-163.38901999999996,54.91277000000008],[-163.40580999999997,54.85221000000007],[-163.32645999999997,54.878550000000075],[-163.33561999999998,54.90751000000006],[-163.34018999999998,54.96186000000006],[-163.28983999999997,54.936450000000036],[-163.29441999999997,55.10964000000007]]]},"properties":{"ESRI_OID":37352,"MSI_UID":37352,"ATU":17,"TITLE":"Sector Anchorage, Submerged Land Act (SLA) - Bechevin Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385393,"MRN":"urn:mrn:iala:wwy:us:navXII:dis17:secancexcecozon:secanctersea:secancsublanact:becbay","WATERWAY_NAME":"Bechevin Bay","CREATE_DATE":1771449885000,"MODIFIED_DATE":1771449892000,"BEGIN_DATE":1771372800000,"END_DATE":1787011199000,"DESCRIPTION":"IN THE VICINITY OF BECHEVIN BAY AND FALSE PASS:\n\nLOCAL KNOWLEDGE AND EXPERIENCE IS REQUIRED TO TRANSIT THE AREA DUE TO HIGH NUMBER OF MISSING AND DISCREPANT AIDS TO NAVIGATION IN THE WATERWAY:\n\n BECHEVIN BAY BUOY BB (LLNR 27250), BECHEVIN BAY BUOY 1 (LLNR 27255), BECHEVIN BAY BUOY 2 (LLNR 27260), BECHEVIN BAY BUOY 3 (LLNR 27265), BECHEVIN BAY BUOY 4 (LLNR 27270), BECHEVIN BAY BUOY 5 (LLNR 27275), AND BECHEVIN BAY BUOY 8 (LLNR 27290)ARE ALL REPORTED MISSING. \n\nISANOTSKI STRAIT LIGHT 3 (LLNR 27410) IS EXTINGUISHED.\n\n MARINERS ARE ADVISED TO USE EXTREME CAUTION WHEN NAVIGATING IN THE AREA.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-163.29442,55.10964],[-163.54161,55.0485],[-163.38902,54.91277],[-163.40581,54.85221],[-163.32646,54.87855],[-163.33562,54.90751],[-163.34019,54.96186],[-163.28984,54.93645],[-163.29442,55.10964]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":38478,"geometry":{"type":"Polygon","coordinates":[[[-117.91732999999999,33.60987000000006],[-117.91767999999996,33.609120000000075],[-117.91679999999997,33.60891000000004],[-117.91646999999995,33.609620000000064],[-117.91732999999999,33.60987000000006]]]},"properties":{"ESRI_OID":38478,"MSI_UID":38478,"ATU":11,"TITLE":"Sector Los Angeles, Submerged Land Act (SLA) - Newport Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385463,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact:newbay","WATERWAY_NAME":"Newport Bay","CREATE_DATE":1772740231000,"MODIFIED_DATE":1772748731000,"BEGIN_DATE":1772668800000,"END_DATE":1780358399000,"DESCRIPTION":"The City of Newport Beach Harbor Department will temporarily relocate eight moorings from the western end of the F Mooring Field to the east end of the H Mooring Field to accommodate barge and scow traffic associated with the ongoing large-scale Army Corps of Engineers dredge operation.\n\nThe temporary relocation will be effective from March 5, 2026, and will remain in place until dredge operations are complete, approximately May 31, 2026.\n\nThe relocated moorings are positioned at approximately 33.60941° N, -117.91679° W, adjacent to a speed restriction regulatory buoy near the east end of the F Mooring Field. The buoy is equipped with a white light, emitting a constant signal from sunset to sunrise to highlight the temporary mooring can placements. Please refer to Chart 18754 for the area of operation.\n\nLarge-scale dredge equipment will be operating and transiting the area and adjacent channels continually until the permitted project is complete. The Harbor Department can be reached on VHF Channel 17 or via phone at 949-270-8159 before, during, and after the dredge operation.\n\nAll mariners are requested to keep a sharp lookout for these temporarily relocated moorings and transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.91733,33.60987],[-117.91768,33.60912],[-117.9168,33.60891],[-117.91647,33.60962],[-117.91733,33.60987]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":39171,"geometry":{"type":"Polygon","coordinates":[[[-117.47637999999995,33.303000000000054],[-117.53130999999996,33.278320000000065],[-117.46882,33.20596000000006],[-117.41766999999999,33.230950000000064],[-117.47637999999995,33.303000000000054]]]},"properties":{"ESRI_OID":39171,"MSI_UID":39171,"ATU":11,"TITLE":"Sector San Diego, Territorial Sea - Sector San Diego, Submerged Lands Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385453,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsandieexcecozon:secsandietersea:secsandiesublanact","WATERWAY_NAME":"Sector San Diego, Submerged Lands Act (SLA)","CREATE_DATE":1773420032000,"MODIFIED_DATE":1773420462000,"BEGIN_DATE":1773360000000,"END_DATE":1789603199000,"DESCRIPTION":"Marine Corps Base (MCB) Camp Pendleton will be conducting live fire operations for predator control along the coastal areas of Blue Beach and White Beach. The scope of operations includes wildlife management for the protection of federally-endangered bird species, utilizing small arms such as rifles, handguns, and shotguns by trained professionals.\n\nOperations are scheduled to commence on March 16, 2026, and will continue at intermittent and unpredictable times, concluding on September 15, 2026.\n\nLive fire will occur along the shoreline of MCB Camp Pendleton between approximately 33.22200° N, -117.40861° W and 33.28750° N, -117.46250° W.\n\nAll mariners are advised to use extreme caution while transiting the area. Although fire will not be directed toward the ocean, vessels are recommended to remain at least 500 meters from the shoreline during operations.\n\nFor additional information, please contact the MCB Camp Pendleton Range Control Watch Officer at (760) 725-4277 or Conservation Law Enforcement at (760) 725-3360.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.47638,33.303],[-117.53131,33.27832],[-117.46882,33.20596],[-117.41767,33.23095],[-117.47638,33.303]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":39176,"geometry":{"type":"Polygon","coordinates":[[[-118.55007999999998,33.35483000000005],[-118.78802999999999,33.136610000000076],[-119.42548,33.27207000000004],[-119.45333,33.179160000000024],[-118.89359999999999,33.03997000000004],[-118.62766999999997,32.98117000000008],[-118.41267999999997,32.77188000000007],[-118.75768,32.51174000000003],[-118.00317999999999,32.43861000000004],[-117.88227999999998,32.66853000000003],[-117.14562999999998,32.554500000000075],[-117.25065999999998,32.710590000000025],[-117.27903999999995,32.889770000000055],[-118.55007999999998,33.35483000000005]]]},"properties":{"ESRI_OID":39176,"MSI_UID":39176,"ATU":11,"TITLE":"Approaches To San Diego Bay - San Diego Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385559,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsandieexcecozon:secsandietersea:secsandiesublanact:apptosandiebay:sandiebay","WATERWAY_NAME":"San Diego Bay","CREATE_DATE":1773422803000,"MODIFIED_DATE":1773431812000,"BEGIN_DATE":1773360000000,"END_DATE":1780271999000,"DESCRIPTION":"Saildrone Inc. will be conducting operations with up to eight Uncrewed Surface Vehicles (USVs), known as “SAILDRONE VOYAGER,” from March 1, 2026, through May 30, 2026. The scope of operations includes deployment of USVs predominantly offshore from Pt Arguello down through San Diego, with servicing possible in major ports and harbors as far north as Morro Bay and as far south as San Diego.\n\nEach SAILDRONE VOYAGER is 33 feet in length, 19 feet tall, gray in color, equipped with a tricolor light on the top wing, and marked “SAILDRONE.”\n\nMariners are requested to maintain a 500-meter closest point of approach (CPA) from the vehicle.\n\nFor additional information, please contact Saildrone Mission Control at missioncontrol@saildrone.com or 510-722-6060.\n\nAll mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-118.55008,33.35483],[-118.78803,33.13661],[-119.42548,33.27207],[-119.45333,33.17916],[-118.8936,33.03997],[-118.62767,32.98117],[-118.41268,32.77188],[-118.75768,32.51174],[-118.00318,32.43861],[-117.88228,32.66853],[-117.14563,32.5545],[-117.25066,32.71059],[-117.27904,32.88977],[-118.55008,33.35483]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":39185,"geometry":{"type":"Polygon","coordinates":[[[-133.26167999999996,56.37468000000007],[-133.20674999999994,56.069270000000074],[-131.93721999999997,54.63990000000007],[-131.27803999999998,54.82316000000003],[-131.90669999999994,55.62382000000008],[-132.31563999999997,55.96010000000007],[-132.53535999999997,56.25959000000006],[-133.26167999999996,56.37468000000007]]]},"properties":{"ESRI_OID":39185,"MSI_UID":39185,"ATU":17,"TITLE":"Dixon Entrance - Clarence Strait/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385368,"MRN":"urn:mrn:iala:wwy:us:navXII:dis17:secsoualaexcecozon:secsoualatersea:secsoualasublanact:dixent:clastr","WATERWAY_NAME":"Clarence Strait","CREATE_DATE":1773431031000,"MODIFIED_DATE":1773857574000,"BEGIN_DATE":1773360000000,"END_DATE":1781567999000,"DESCRIPTION":"The Coast Guard is conducting a Waterways Analysis and Management System (WAMS) study of Snow Passage, Clarence Strait, and Thorne Bay. The study focuses on the area’s aids to navigation system, waterborne commerce, marine casualty information, port/harbor resources, emergency response plans, routine and emergency communication capabilities, and future development projects. Any interested company or individual wishing to provide comments or participate in a user survey may do so at https://forms.osi.apps.mil/r/ZAUvnfa1eA or contact USCG waterways division at:\n\nUSCG Sector Southeast Alaska\nWaterways Management Division\nP.O. Box 25517\nJuneau, AK 99801\n(907) 463-2715\nSEAKWaterways@uscg.mil \n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-133.26168,56.37468],[-133.20675,56.06927],[-131.93722,54.6399],[-131.27804,54.82316],[-131.9067,55.62382],[-132.31564,55.9601],[-132.53536,56.25959],[-133.26168,56.37468]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":40440,"geometry":{"type":"Polygon","coordinates":[[[-88.31076999999999,35.20619000000005],[-88.31234999999998,35.206110000000024],[-88.31179999999995,35.202720000000056],[-88.31024999999994,35.20290000000006],[-88.31043999999997,35.20426000000003],[-88.31076999999999,35.20619000000005]]]},"properties":{"ESRI_OID":40440,"MSI_UID":40440,"ATU":2,"TITLE":"Ohio River - Tennessee River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381408,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv:tenriv","WATERWAY_NAME":"Tennessee River","CREATE_DATE":1775133362000,"MODIFIED_DATE":1775133791000,"BEGIN_DATE":1775088000000,"END_DATE":1790726399000,"DESCRIPTION":"A nun buoy has been reported off station, in the vicinity of Mile 194.2.  Mariners are urged to exercise caution in the area.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-88.31077,35.20619],[-88.31235,35.20611],[-88.3118,35.20272],[-88.31025,35.2029],[-88.31044,35.20426],[-88.31077,35.20619]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":40863,"geometry":{"type":"Polygon","coordinates":[[[-83.17280999999997,41.86170000000004],[-83.39581999999996,41.752170000000035],[-83.36505999999997,41.717730000000074],[-83.13462999999996,41.82773000000003],[-83.17280999999997,41.86170000000004]]]},"properties":{"ESRI_OID":40863,"MSI_UID":40863,"ATU":9,"TITLE":"WEST END OF LAKE ERIE - Maumee Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116386097,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:maubay","WATERWAY_NAME":"Maumee Bay","CREATE_DATE":1775744107000,"MODIFIED_DATE":1777298539000,"BEGIN_DATE":1775692800000,"END_DATE":1791331199000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2026-04-09 To: 2026-10-06.\n\nLocation: Maumee Bay.\n\nDescription: Due to extended critical icebreaking operations in the Northern Great Lakes, the Coast Guard is experiencing significant delays in the seasonal deployments of the lighted buoys in Maumee Bay Channel and the approaches to Toledo. Lighted buoy deployments offshore in Maumee Bay are scheduled to begin May 11th. The nearshore buoys inside of Maumee Bay Lighted Buoy gate 33 and 34 have already been commissioned for the season. Updates to this operation will be contained in this entry until completion. Mariners are requested to use caution while transiting the area.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-83.17281,41.8617],[-83.39582,41.75217],[-83.36506,41.71773],[-83.13463,41.82773],[-83.17281,41.8617]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":40902,"geometry":{"type":"Polygon","coordinates":[[[-119.41680999999994,34.31478000000004],[-119.48812999999996,34.234060000000056],[-119.39083999999997,34.17480000000006],[-119.31967999999995,34.25559000000004],[-119.41680999999994,34.31478000000004]]]},"properties":{"ESRI_OID":40902,"MSI_UID":40902,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1775766065000,"MODIFIED_DATE":1775766117000,"BEGIN_DATE":1776643200000,"END_DATE":1780185599000,"DESCRIPTION":"Fathomwerx Proving Ground (FPG) will be conducting unmanned vessel operations in the Santa Barbara Channel. The scope of operations includes daily exercises involving approximately 12 vessels, supported by the FPG Support perimeter security vessel.\n\nOperations are scheduled to take place daily from:\n\nMay 4 to May 8, 2026\nMay 11 to May 15, 2026\nMay 18 to May 22, 2026\nMay 26 to May 29, 2026 between 0700 and 1900 hours.\nThe operating area will be confined to a 5x5 nautical mile box defined by the following corner coordinates:\n\nN1: 34.31478° N, -119.41681° W\nN2: 34.25559° N, -119.31968° W\nN3: 34.17480° N, -119.39084° W\nN4: 34.23406° N, -119.48813° W\nThis operation is referenced on Chart US3CA69M. All vessels will monitor VHF Channel 16 (hail \"FPG Support Vessel Water Lead\"). For additional information, mariners may contact FPG at 805-837-7468.\n\nAll mariners are advised to transit the area with caution and maintain a safe distance from the testing area and the FPG Support perimeter security vessel.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-119.41681,34.31478],[-119.48813,34.23406],[-119.39084,34.1748],[-119.31968,34.25559],[-119.41681,34.31478]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":40940,"geometry":{"type":"Polygon","coordinates":[[[-122.52803999999998,37.78755000000007],[-122.69008999999994,37.757150000000024],[-121.03791999999999,34.169850000000054],[-117.10344999999995,32.45308000000006],[-117.10277999999994,32.67543000000006],[-120.50787999999994,34.45141000000007],[-120.86185999999998,35.406210000000044],[-121.25856999999996,35.65883000000008],[-121.32600999999994,35.77172000000007],[-121.43189999999998,35.86221000000006],[-121.48438999999996,35.97621000000004],[-121.82007999999996,36.24359000000004],[-121.81853999999998,36.870190000000036],[-121.89867999999996,36.969010000000026],[-122.01427999999999,36.95694000000003],[-122.12988999999999,36.964620000000025],[-122.21876999999995,37.026050000000055],[-122.32824999999997,37.136720000000025],[-122.40476999999998,37.24722000000003],[-122.52803999999998,37.78755000000007]]]},"properties":{"ESRI_OID":40940,"MSI_UID":40940,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385454,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea","WATERWAY_NAME":"Sector Los Angeles, Territorial Sea","CREATE_DATE":1775839507000,"MODIFIED_DATE":1775842592000,"BEGIN_DATE":1775779200000,"END_DATE":1785542399000,"DESCRIPTION":"SAILDRONE, INC. is deploying the Uncrewed Surface Vehicle (USV) Saildrone SD-3001, a Surveyor class vehicle, on or after 17 APR. SAILDRONE Surveyors are 65 ft in length, 49 ft tall, gray in color, and equipped with a marine Radar, camera, AIS, navigation lights, dayshapes, VHF, and horn. \n\nThe USV may operate for 24 hours offshore San Francisco Bay before making a continuous transit south toward southern California, remaining west of the Channel Islands, with a final destination in Ensenada, MX. \n\nMariners are requested to remain greater than 500 meters away from the vehicle. Questions regarding this notice can be directed to Saildrone Mission Control at missioncontrol@saildrone.com or via phone at +1-510-722-6070.” \n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.52804,37.78755],[-122.69009,37.75715],[-121.03792,34.16985],[-117.10345,32.45308],[-117.10278,32.67543],[-120.50788,34.45141],[-120.86186,35.40621],[-121.25857,35.65883],[-121.32601,35.77172],[-121.4319,35.86221],[-121.48439,35.97621],[-121.82008,36.24359],[-121.81854,36.87019],[-121.89868,36.96901],[-122.01428,36.95694],[-122.12989,36.96462],[-122.21877,37.02605],[-122.32825,37.13672],[-122.40477,37.24722],[-122.52804,37.78755]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41247,"geometry":{"type":"Polygon","coordinates":[[[-122.34376999999995,37.84078000000005],[-122.36796999999996,37.83400000000006],[-122.35904999999997,37.817390000000046],[-122.33457999999996,37.82363000000004],[-122.34376999999995,37.84078000000005]]]},"properties":{"ESRI_OID":41247,"MSI_UID":41247,"ATU":11,"TITLE":"Golden Gate Bridge - San Francisco Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385418,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay","WATERWAY_NAME":"San Francisco Bay","CREATE_DATE":1776280587000,"MODIFIED_DATE":1776283658000,"BEGIN_DATE":1776211200000,"END_DATE":2177539199000,"DESCRIPTION":"The Coast Guard has received a report that all of the moorings in San Francisco Anchorage 6 are off station and unlit. Mariners are requested to transit San Francisco Anchorage 6 with caution.  ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.34377,37.84078],[-122.36797,37.834],[-122.35905,37.81739],[-122.33458,37.82363],[-122.34377,37.84078]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41394,"geometry":{"type":"Polygon","coordinates":[[[-121.69032999999996,35.562130000000025],[-121.75486999999998,35.472150000000056],[-121.67178999999999,35.43635000000006],[-121.61067999999995,35.52860000000004],[-121.69032999999996,35.562130000000025]]]},"properties":{"ESRI_OID":41394,"MSI_UID":41394,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385454,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea","WATERWAY_NAME":"Sector Los Angeles, Territorial Sea","CREATE_DATE":1776356173000,"MODIFIED_DATE":1776361429000,"BEGIN_DATE":1776988800000,"END_DATE":1780790399000,"DESCRIPTION":"TGS will be conducting recovery operations for two yellow 4m x 4m lighted research buoys (Fl Y 4s), named TGS Lighted Research Buoy (LLNR 250) and TGS Lighted Research Buoy North (LLNR 250.5). The buoys are located approximately 28 nautical miles west and 22 nautical miles west-northwest of Point Piedras Blancas at the following coordinates:\n\n35.429° N, -121.7746° W\n35.528° N, -121.6937° W\nOperations are scheduled to take place from May 8, 2026, through June 5, 2026.\n\nThe Offshore Support Vessel (OSV) CLEAN OCEAN will be conducting the recovery and will monitor VHF-FM Channels 13 and 16 during operations.\n\nAll mariners are requested to transit the area with caution during recovery activities. For concerns or additional information, please contact Scott Eichelberger at 206-331-5558.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-121.69033,35.56213],[-121.75487,35.47215],[-121.67179,35.43635],[-121.61068,35.5286],[-121.69033,35.56213]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41399,"geometry":{"type":"Polygon","coordinates":[[[-87.03912999999994,30.35062000000005],[-87.07202999999998,30.34465000000006],[-87.06894999999997,30.326440000000048],[-87.03444999999994,30.332880000000046],[-87.03912999999994,30.35062000000005]]]},"properties":{"ESRI_OID":41399,"MSI_UID":41399,"ATU":8,"TITLE":"Sector Mobile, Territorial Sea - Sector Mobile, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384736,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact","WATERWAY_NAME":"Sector Mobile, Submerged Land Act (SLA)","CREATE_DATE":1776357023000,"MODIFIED_DATE":1776357133000,"BEGIN_DATE":1778803200000,"END_DATE":1780185599000,"DESCRIPTION":"Gulf of America - Unmanned Aerial System Tests --- From: 2026-05-26 To: 2026-05-29 --- An Unmanned Aerial System (UAS) will be tested from Santa Rosa Island to nearshore portions of the Gulf of America.  Tests will take place from sunrise to sunset and will include the evaluating of takeoff and landing of the UAS in the maritime environment.  The UAS will operate for 15-minutes at a time and travel up to 55 miles per hour.  Operations will be conducted Monday thru Saturday, from sunrise to sunset.  On-scene vessels will include the M/Vs KELLY RAE and BIG KAHUNA.  Support craft will display a dive flag and will monitor VHF-FM Channel 16.  Mariners are urged to avoid the testing area. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-87.03913,30.35062],[-87.07203,30.34465],[-87.06895,30.32644],[-87.03445,30.33288],[-87.03913,30.35062]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41751,"geometry":{"type":"Polygon","coordinates":[[[-118.46720999999997,33.75019000000003],[-118.48849999999999,33.733340000000055],[-118.28044999999997,33.65193000000005],[-118.26876999999996,33.67308000000003],[-118.46720999999997,33.75019000000003]]]},"properties":{"ESRI_OID":41751,"MSI_UID":41751,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1776786713000,"MODIFIED_DATE":1776876957000,"BEGIN_DATE":1776729600000,"END_DATE":1780358399000,"DESCRIPTION":"The Defense Advanced Research Projects Agency (DARPA) will be conducting unmanned surface vessel operations from 17-19 February 2026, in the vicinity of:\n\n33.7500N                 -118.5000W\n\n33.6667N                 -118.2500W\n\nAll Mariners are advised to transit the area with caution. All concerned traffic can contact Melissa C. on VHS channels 16 or 13.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-118.46721,33.75019],[-118.4885,33.73334],[-118.28045,33.65193],[-118.26877,33.67308],[-118.46721,33.75019]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41755,"geometry":{"type":"Polygon","coordinates":[[[-119.35813999999999,33.34130000000005],[-119.64720999999997,33.33957000000004],[-119.64171999999996,33.121890000000064],[-119.34645999999998,33.128220000000056],[-119.35813999999999,33.34130000000005]]]},"properties":{"ESRI_OID":41755,"MSI_UID":41755,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - San Nicolas Island/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385465,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:sannicisl","WATERWAY_NAME":"San Nicolas Island","CREATE_DATE":1776789458000,"MODIFIED_DATE":1776876974000,"BEGIN_DATE":1776729600000,"END_DATE":1803945599000,"DESCRIPTION":"The Ventura County Commercial Fishermen's Association member vessels will be operating within a 35 mile radius of San Nicholas Island between May 01, 2026 and February 28, 2027. Vessels can be expected in this area anytime wind and sea state is at Beaufort scale of 4 or less. Gear will be marked with a flagged highflyer, radar reflector, lights and buoys. Vessels can be contacted on VHF Channel 16 and 11. For further information please contact 805 448 4455, all mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-119.35814,33.3413],[-119.64721,33.33957],[-119.64172,33.12189],[-119.34646,33.12822],[-119.35814,33.3413]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41874,"geometry":{"type":"Polygon","coordinates":[[[-122.53669999999994,37.82693000000006],[-122.99298999999996,37.702770000000044],[-122.49833999999998,37.47860000000003],[-122.53669999999994,37.82693000000006]]]},"properties":{"ESRI_OID":41874,"MSI_UID":41874,"ATU":11,"TITLE":"Sector San Francisco, Submerged Land Act (SLA) - Entrance To San Francisco Bay/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385421,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay","WATERWAY_NAME":"Entrance To San Francisco Bay","CREATE_DATE":1776876691000,"MODIFIED_DATE":1776876943000,"BEGIN_DATE":1776816000000,"END_DATE":1780271999000,"DESCRIPTION":"Clippership will conduct autonomous USV testing in the vicinity of Point Bonita, Farallon Islands, and Pillar Point from May 1, 2026, to May 30, 2026. Operations will occur at positions 37.815000, -122.534000; 37.697389, -122.975833; and 37.475333, -122.488056. The vessels involved are VOPlus USV and the support vessel The Office. During rounding of the islands (12–24 nautical miles from shore), no support vessel will be on scene; VHF will be operated remotely, and VHF-FM CH 16 and CH 14 will be monitored. For more information, please contact Luca Cymbalist at 650-400-7541. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.5367,37.82693],[-122.99299,37.70277],[-122.49834,37.4786],[-122.5367,37.82693]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":41913,"geometry":{"type":"Polygon","coordinates":[[[-117.97187999999994,33.61424000000005],[-117.97462999999999,33.610880000000066],[-117.97059999999999,33.60916000000003],[-117.96828,33.61259000000007],[-117.97187999999994,33.61424000000005]]]},"properties":{"ESRI_OID":41913,"MSI_UID":41913,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1776887709000,"MODIFIED_DATE":1776966300000,"BEGIN_DATE":1776816000000,"END_DATE":1779667199000,"DESCRIPTION":"Aqueos Corporation will conduct diving operations on the Orange County Sanitation District Outfall Structures off Huntington Beach beginning on or about May 5, 2026, for a duration of 14 to 21 days. Operations will occur at position 33.6115781, -117.969012. The Motor Vessel Danny C (official number 506332; call sign WBE 8593) will be in a 3-point anchor set using divers to complete work, with MV JAB acting as anchor assist and patrol. Operations will be conducted during daylight hours, with vessels either staying moored overnight or transiting into port daily. The vessels will monitor VHF-FM channel 16 and can be reached at (805) 895-9005. For more information, please contact (805) 895-9005. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.97188,33.61424],[-117.97463,33.61088],[-117.9706,33.60916],[-117.96828,33.61259],[-117.97188,33.61424]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42114,"geometry":{"type":"Polygon","coordinates":[[[-120.86159999999995,35.37184000000008],[-120.86669999999998,35.36672000000004],[-120.87119999999999,35.36707000000007],[-120.86820999999998,35.35990000000004],[-120.86229999999995,35.36108000000007],[-120.86395999999996,35.367440000000045],[-120.8594,35.37101000000007],[-120.86159999999995,35.37184000000008]]]},"properties":{"ESRI_OID":42114,"MSI_UID":42114,"ATU":11,"TITLE":"Sector Los Angeles, Submerged Land Act (SLA) - Morro Bay Channel/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385411,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact:morbaycha","WATERWAY_NAME":"Morro Bay Channel","CREATE_DATE":1777064412000,"MODIFIED_DATE":1777319993000,"BEGIN_DATE":1777248000000,"END_DATE":1782950399000,"DESCRIPTION":"The U.S. Coast Guard is conducting a Waterways Analysis and Management System (WAMS) study of Morro bay. The study focuses on the area’s aids to navigation system, waterborne commerce, marine casualty information, port/harbor resources, emergency response plans, routine and emergency communication capabilities, and future development projects.\nThis study seeks to obtain data on the effectiveness of the system of Aids to Navigation, as well as other waterway safety concerns. Any interested company or individual wishing to provide comments or participate in a user survey may do so via link at: https://www.research.net/r/P2SDNTB or contact ENS Robert Black at d11-smb-d11-lnm@uscg.mil or via phone at (571)-610-6866 by June 30, 2026.\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-120.8616,35.37184],[-120.8667,35.36672],[-120.8712,35.36707],[-120.86821,35.3599],[-120.8623,35.36108],[-120.86396,35.36744],[-120.8594,35.37101],[-120.8616,35.37184]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42174,"geometry":{"type":"Polygon","coordinates":[[[-84.37442999999996,46.51947000000007],[-84.42261999999994,46.50493000000006],[-84.53488999999996,46.460920000000044],[-84.60657999999995,46.514590000000055],[-84.60776999999996,46.51377000000008],[-84.63210999999995,46.50132000000008],[-84.56227999999999,46.436570000000074],[-84.50123999999994,46.43599000000006],[-84.37323999999995,46.485370000000046],[-84.31912999999997,46.485600000000034],[-84.27584999999993,46.43097000000006],[-84.26941999999997,46.38865000000004],[-84.23204999999996,46.34000000000003],[-84.23796999999996,46.22524000000004],[-84.06228999999996,46.127710000000036],[-84.07429999999994,46.092430000000036],[-84.04385999999994,46.05794000000003],[-83.91839999999996,45.991730000000075],[-83.91027999999994,45.94154000000003],[-83.86276999999995,45.94001000000003],[-83.85075999999998,46.03635000000003],[-83.94595999999996,46.06463000000008],[-83.98332999999997,46.143530000000055],[-84.07615999999996,46.204300000000046],[-84.08544999999998,46.25588000000005],[-84.10624999999999,46.32120000000003],[-84.16728999999998,46.341630000000066],[-84.21852999999999,46.39647000000008],[-84.23306999999994,46.43692000000004],[-84.29444999999998,46.49899000000005],[-84.37442999999996,46.51947000000007]]]},"properties":{"ESRI_OID":42174,"MSI_UID":42174,"ATU":9,"TITLE":"Lake Superior/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116386366,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:saimarriv:laksup","WATERWAY_NAME":"Lake Superior","CREATE_DATE":1777305392000,"MODIFIED_DATE":1778247604000,"BEGIN_DATE":1777248000000,"END_DATE":1781567999000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2026-04-27 To: 2026-06-15\n\nLocation: St. Marys River\n\nDue to extended critical icebreaking operations in the Northern Great Lakes, the Coast Guard is experiencing significant delays in the seasonal deployments of the lighted buoys in the St. Marys River. Lighted buoys commissioning's are scheduled to begin by May 20th, with an emphasis on commissioning the lower river first. Updates to this operation will be contained in this entry until completion. Mariners are requested to use caution while transiting this area. \n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-84.37443,46.51947],[-84.42262,46.50493],[-84.53489,46.46092],[-84.60658,46.51459],[-84.60777,46.51377],[-84.63211,46.50132],[-84.56228,46.43657],[-84.50124,46.43599],[-84.37324,46.48537],[-84.31913,46.4856],[-84.27585,46.43097],[-84.26942,46.38865],[-84.23205,46.34],[-84.23797,46.22524],[-84.06229,46.12771],[-84.0743,46.09243],[-84.04386,46.05794],[-83.9184,45.99173],[-83.91028,45.94154],[-83.86277,45.94001],[-83.85076,46.03635],[-83.94596,46.06463],[-83.98333,46.14353],[-84.07616,46.2043],[-84.08545,46.25588],[-84.10625,46.3212],[-84.16729,46.34163],[-84.21853,46.39647],[-84.23307,46.43692],[-84.29445,46.49899],[-84.37443,46.51947]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42180,"geometry":{"type":"Polygon","coordinates":[[[-75.13483999999994,39.940420000000074],[-75.13492999999994,39.93856000000005],[-75.13303999999994,39.93862000000007],[-75.13391999999999,39.94035000000008],[-75.13483999999994,39.940420000000074]]]},"properties":{"ESRI_OID":42180,"MSI_UID":42180,"ATU":5,"TITLE":"Eagle Point - Delaware River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116382790,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secdelbayexcecozon:secdelbaytersea:secdelbaysublanact:delbay:delbaymaicha:lisran:delriv:delrivmaicha:mifran:eagpoi:delriv","WATERWAY_NAME":"Delaware River","CREATE_DATE":1777306131000,"MODIFIED_DATE":1777386225000,"BEGIN_DATE":1778198400000,"END_DATE":1780444799000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2026-05-22 To: 2026-06-01\n\nTwo barges will be anchored in Kaighn Point Anchorage, Anchorage 12, in the Delaware River, near the Battleship New Jersey. Barges will remain anchored for approximately 10 days, beginning May 22, 2026. Mariners may contact the barge via VHF radio channel 16 with any questions or concerns during work operations. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-75.13484,39.94042],[-75.13493,39.93856],[-75.13304,39.93862],[-75.13392,39.94035],[-75.13484,39.94042]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42716,"geometry":{"type":"Polygon","coordinates":[[[-81.68686999999994,38.37012000000004],[-81.68690999999995,38.370070000000055],[-81.68459999999999,38.36925000000008],[-81.68456999999995,38.36931000000004],[-81.68686999999994,38.37012000000004]]]},"properties":{"ESRI_OID":42716,"MSI_UID":42716,"ATU":2,"TITLE":"Ohio River - Kanawha River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381292,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv:kanriv","WATERWAY_NAME":"Kanawha River","CREATE_DATE":1777563914000,"MODIFIED_DATE":1777564732000,"BEGIN_DATE":1777507200000,"END_DATE":1796169599000,"DESCRIPTION":"Commencing May 7, 2026, and continuing until December 2026, Union Carbide Corporation South Charleston Facility will deploy a 75-foot by 50-foot sorbent boom alongside Blaine Island’s south bank, in the vicinity of Mile 55.3.  The boom will be in place 24-hours a day, 7-days a week and lighted accordingly.  Mariners are urged to exercise caution in the area. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-81.68687,38.37012],[-81.68691,38.37007],[-81.6846,38.36925],[-81.68457,38.36931],[-81.68687,38.37012]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42755,"geometry":{"type":"Polygon","coordinates":[[[-117.47214999999994,33.29616000000004],[-117.46694999999994,33.289690000000064],[-117.46187999999995,33.28499000000005],[-117.47214999999994,33.29616000000004]]]},"properties":{"ESRI_OID":42755,"MSI_UID":42755,"ATU":11,"TITLE":"Sector San Diego, Territorial Sea - Sector San Diego, Submerged Lands Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385453,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsandieexcecozon:secsandietersea:secsandiesublanact","WATERWAY_NAME":"Sector San Diego, Submerged Lands Act (SLA)","CREATE_DATE":1777579147000,"MODIFIED_DATE":1777579305000,"BEGIN_DATE":1777507200000,"END_DATE":1809734399000,"DESCRIPTION":"The Marine Corps Tactical Systems Support Activity (MCTSSA) will conduct oceanographic surveillance operations to support training area safety at Camp Pendleton for the 3rd Amphibious Assault Battalion, 1st Recon Battalion, and Assault Craft Unit 5. Operations will involve the deployment and quarterly maintenance of in-water oceanographic data collection buoys at the following positions: Spotter 1 at 33.2965225, -117.4729195; Spotter 2 at 33.2900481, -117.4677166; and Spotter 3 at 33.2853513, -117.4626498. The operation will occur between May 6, 2026, and May 6, 2027, utilizing up to two boat teams and a maximum of eight personnel. For more information, please contact Capt Keo, Daniel at MCTSSA at 760-725-0533 or 404-509-7690. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.47215,33.29616],[-117.46695,33.28969],[-117.46188,33.28499],[-117.47215,33.29616]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42926,"geometry":{"type":"Polygon","coordinates":[[[-88.22373999999996,35.07767000000007],[-88.22762999999998,35.07611000000003],[-88.22739999999999,35.07251000000008],[-88.21320999999995,35.07230000000004],[-88.21191999999996,35.07593000000003],[-88.21835999999996,35.07758000000007],[-88.22373999999996,35.07767000000007]]]},"properties":{"ESRI_OID":42926,"MSI_UID":42926,"ATU":2,"TITLE":"Ohio River - Tennessee River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381408,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv:tenriv","WATERWAY_NAME":"Tennessee River","CREATE_DATE":1777898339000,"MODIFIED_DATE":1777904400000,"BEGIN_DATE":1777852800000,"END_DATE":1793491199000,"DESCRIPTION":"A nun buoy has been reported off station along the RDB, in the vicinity of Mile 208.5.  Mariners are urged to exercise caution in the area.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-88.22374,35.07767],[-88.22763,35.07611],[-88.2274,35.07251],[-88.21321,35.0723],[-88.21192,35.07593],[-88.21836,35.07758],[-88.22374,35.07767]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":42988,"geometry":{"type":"Polygon","coordinates":[[[-122.83066999999994,47.69753000000003],[-122.90311999999994,47.66655000000003],[-122.77951999999999,47.68805000000003],[-122.83066999999994,47.69753000000003]]]},"properties":{"ESRI_OID":42988,"MSI_UID":42988,"ATU":13,"TITLE":"Admiralty Inlet - Hood Canal/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385846,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:secpugsouexcecozon:secpugsoutersea:secpugsousublanact:strofjuadefuc:adminl:hoocan","WATERWAY_NAME":"Hood Canal","CREATE_DATE":1777921269000,"MODIFIED_DATE":1777921279000,"BEGIN_DATE":1777852800000,"END_DATE":1780358399000,"DESCRIPTION":"The US Navy has placed (4) scientific environmental monitoring devices in the Hood Canal until 31 May 2026. Devices consist of bottom moorings, ropes and marker floats. The marker floats are red in color, unlighted and approximately 10’ inches in diameter with 2 smaller floats. Mariners transiting the area are requested to maintain well clear of the floats to avoid possible propeller entanglement or strikes. For more information please contact Range Scheduling at 360-396-2313.\nThe specific locations of the moorings are as follows:\n47 50’ 25”N / 122 37’ 35”W\n47 39’ 25”N / 122 54’ 01”W\n47 41’ 46”N / 122 49’ 52”W\n47 41’ 07”N / 122 47’ 35”W\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.83067,47.69753],[-122.90312,47.66655],[-122.77952,47.68805],[-122.83067,47.69753]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43219,"geometry":{"type":"Polygon","coordinates":[[[-76.12787999999995,37.04547000000008],[-76.12787999999995,37.04511000000008],[-76.12787999999995,37.04466000000008],[-76.12648999999999,37.04464000000007],[-76.12649999999996,37.04546000000005],[-76.12787999999995,37.04547000000008]]]},"properties":{"ESRI_OID":43219,"MSI_UID":43219,"ATU":5,"TITLE":"Sector Virginia, Submerged Land Act (SLA) - Chesapeake Channel/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100117224627,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha","WATERWAY_NAME":"Chesapeake Channel","CREATE_DATE":1778096390000,"MODIFIED_DATE":1778096399000,"BEGIN_DATE":1778025600000,"END_DATE":1793663999000,"DESCRIPTION":"Mariners must avoid transiting in close proximity to wave measuring buoy due to semi-submerged mooring line and adjacent streamed buoys.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-76.12788,37.04547],[-76.12788,37.04511],[-76.12788,37.04466],[-76.12649,37.04464],[-76.1265,37.04546],[-76.12788,37.04547]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43267,"geometry":{"type":"Polygon","coordinates":[[[-117.66523999999998,33.42068000000006],[-117.70194999999995,33.40670000000006],[-117.65985999999998,33.35018000000008],[-117.60765999999995,33.352070000000026],[-117.66523999999998,33.42068000000006]]]},"properties":{"ESRI_OID":43267,"MSI_UID":43267,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1778168580000,"MODIFIED_DATE":1778175992000,"BEGIN_DATE":1778457600000,"END_DATE":1779407999000,"DESCRIPTION":"Anduril Industries will be conducting unattended Autonomous Underwater Vehicle (AUV) operations near San Clemente from May 18 to May 20, 2026, during daytime hours only. The AUV will operate within Area 1, bounded by positions 33.40670°N, -117.70195°W; 33.42068°N, -117.66524°W; 33.35207°N, -117.60766°W; and 33.35018°N, -117.65986°W. The AUV will be identifiable by a quick-flashing all-round white light and reflective tape. Support vessel R/V Zephyr will remain in the vicinity and monitor channel 16. All vessels are requested to maintain a 1 nautical mile separation for safety. \nFor more information, please contact Kevin Stoddard at +1-949-796-0703. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.66524,33.42068],[-117.70195,33.4067],[-117.65986,33.35018],[-117.60766,33.35207],[-117.66524,33.42068]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43299,"geometry":{"type":"Polygon","coordinates":[[[-70.58490999999998,42.10609000000005],[-70.58445999999998,42.08698000000004],[-70.56442999999996,42.087410000000034],[-70.56488999999993,42.105920000000026],[-70.58490999999998,42.10609000000005]]]},"properties":{"ESRI_OID":43299,"MSI_UID":43299,"ATU":1,"TITLE":"Sector Boston, Submerged Land Act (SLA) - Green Harbor Approach/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381909,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secbosexcecozon:secbostersea:secbossublanact:greharapp","WATERWAY_NAME":"Green Harbor Approach","CREATE_DATE":1778181191000,"MODIFIED_DATE":1778181203000,"BEGIN_DATE":1779148800000,"END_DATE":1779321599000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2026-05-19 To: 2026-05-20\n\nLocation:\n42-06-21.924N/070-35-05.676W\n42-06-21.312N/070-33-53.604W\n42-05-14.676N/070-33-51.948W\n42-05-13.128N/070-35-04.056W\n42-06-21.924N/070-35-05.676W\nMA – NEW INLET – GREEN HARBOR – CAPE COD BAY – Live Fire Gunnery Exercise\nMariners are advised that the Metro-Law Enforcement Council Maritime Special Response Unit (MSRU) will be conducting a Live Fire Gunnery Exercise within a two nautical mile radius of position approximate 42.04.138N 070.26.586W in conjunction with the Marshfield Police Marine Unit/Harbormaster. Metro-LEC will be utilizing various long arms and small arms during the exercise. The exercise will be conducted on May 19th. 2026, between the hours of 10:00 a.m. to 2:00 p.m. In the event weather conditions are not favorable the exercise will be conducted at a later date For more information mariners may contact the Marshfield Harbor Master at (781) 834-6655. On scene patrol vessel Marshfield Harbormaster Unit 1 will be monitoring VHF-FM CH 16/13. Mariners are advised to use extreme caution when transiting the area.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-70.58491,42.10609],[-70.58446,42.08698],[-70.56443,42.08741],[-70.56489,42.10592],[-70.58491,42.10609]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43393,"geometry":{"type":"Polygon","coordinates":[[[-117.85259999999994,33.559300000000064],[-118.12719999999996,33.547600000000045],[-118.06119999999999,33.39060000000006],[-117.82289999999995,33.43110000000007],[-117.85259999999994,33.559300000000064]]]},"properties":{"ESRI_OID":43393,"MSI_UID":43393,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1778264703000,"MODIFIED_DATE":1778272069000,"BEGIN_DATE":1778198400000,"END_DATE":1788393599000,"DESCRIPTION":"Anduril Industries will be conducting manned Autonomous Surface Vessel (ASV) operations aboard the Blair C near Huntington Beach from May 10 to September 1, 2026, between 0800 and 1700 hours daily. Testing will occur within Area 1, bounded by positions:\n\n33.5476°N, -118.1272°W; 33.5593°N, -117.8526°W; 33.4311°N, -117.8229°W;  33.3906°N, -118.0612°W. \n\nBlair C will be crewed at all times and will monitor channel 16. All vessels are requested to maintain greater than a 2.5 nautical mile separation for safety. \nFor more information, please contact Adam Potwora at +1-949-841-6583. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.8526,33.5593],[-118.1272,33.5476],[-118.0612,33.3906],[-117.8229,33.4311],[-117.8526,33.5593]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43455,"geometry":{"type":"Polygon","coordinates":[[[-91.31758999999994,30.245580000000075],[-91.31919999999997,30.245340000000056],[-91.31856999999997,30.241630000000043],[-91.31690999999995,30.23792000000003],[-91.31598999999994,30.23684000000003],[-91.31598999999994,30.233370000000036],[-91.31552999999997,30.230750000000057],[-91.31592999999998,30.22878000000003],[-91.31730999999996,30.22616000000005],[-91.31856999999997,30.22270000000003],[-91.31919999999997,30.219930000000033],[-91.31896999999998,30.218150000000037],[-91.31804999999997,30.215280000000064],[-91.31873999999999,30.21216000000004],[-91.32010999999994,30.20890000000003],[-91.32371999999998,30.19288000000006],[-91.32531999999998,30.18640000000005],[-91.32588999999996,30.185560000000066],[-91.32640999999995,30.184520000000077],[-91.33607999999998,30.173880000000054],[-91.33784999999995,30.172250000000076],[-91.33858999999995,30.17121000000003],[-91.33887999999996,30.168490000000077],[-91.33824999999996,30.161760000000072],[-91.33744999999999,30.159880000000044],[-91.33338999999995,30.15617000000003],[-91.33143999999999,30.154990000000055],[-91.32914999999997,30.152310000000057],[-91.32754999999997,30.149590000000046],[-91.32628999999997,30.150040000000047],[-91.32886999999994,30.153500000000065],[-91.33183999999994,30.156220000000076],[-91.33595999999994,30.159830000000056],[-91.33715999999998,30.16280000000006],[-91.33795999999995,30.167550000000062],[-91.33738999999997,30.170420000000036],[-91.33555999999999,30.17294000000004],[-91.33343999999994,30.174280000000067],[-91.33052999999995,30.17834000000005],[-91.32445999999999,30.185560000000066],[-91.32039999999995,30.20138000000003],[-91.31919999999997,30.207170000000076],[-91.31758999999994,30.211870000000033],[-91.31673999999998,30.21449000000007],[-91.31701999999996,30.215670000000046],[-91.31787999999995,30.218590000000063],[-91.31764999999996,30.22136000000006],[-91.31673999999998,30.225220000000036],[-91.31426999999996,30.229020000000048],[-91.31398999999999,30.229910000000075],[-91.31472999999994,30.23273000000006],[-91.31484999999998,30.236540000000048],[-91.31535999999994,30.23768000000007],[-91.31701999999996,30.24133000000006],[-91.31758999999994,30.245580000000075]]]},"properties":{"ESRI_OID":43455,"MSI_UID":43455,"ATU":8,"TITLE":"Morgan City To Port Allen - Morgan City-Port Allen Alternate Route/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384701,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:atccha:atcriv:morcittoporall:morcitallaltrou","WATERWAY_NAME":"Morgan City-Port Allen Alternate Route","CREATE_DATE":1778507340000,"MODIFIED_DATE":1779119351000,"BEGIN_DATE":1778457600000,"END_DATE":1779753599000,"DESCRIPTION":"Morgan City-Port Allen Alternate Route - GIWW - Bayou Sorrel - Waterway Safety Advisory --- From: 2026-05-09 To: Until Further Notice --- As a result of the Bayou Sorrel Lock Canal Gauge reading 6 ft, the U.S. Coast Guard Captain of the Port New Orleans has issued the following safety advisory in accordance with the Waterways Action Plan Baton Rouge Annex: A no wake advisory is in place on the Morgan City-Port Allen Alternate Route and Bayou Sorrel Waterway from Mile 37.6 to Mile 45.0.  For further information and for vessel queues, mariners can contact the Bayou Sorrel Lockmaster via VHF-FM Channel 14 or at (225) 659-7773.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-91.31759,30.24558],[-91.3192,30.24534],[-91.31857,30.24163],[-91.31691,30.23792],[-91.31599,30.23684],[-91.31599,30.23337],[-91.31553,30.23075],[-91.31593,30.22878],[-91.31731,30.22616],[-91.31857,30.2227],[-91.3192,30.21993],[-91.31897,30.21815],[-91.31805,30.21528],[-91.31874,30.21216],[-91.32011,30.2089],[-91.32372,30.19288],[-91.32532,30.1864],[-91.32589,30.18556],[-91.32641,30.18452],[-91.33608,30.17388],[-91.33785,30.17225],[-91.33859,30.17121],[-91.33888,30.16849],[-91.33825,30.16176],[-91.33745,30.15988],[-91.33339,30.15617],[-91.33144,30.15499],[-91.32915,30.15231],[-91.32755,30.14959],[-91.32629,30.15004],[-91.32887,30.1535],[-91.33184,30.15622],[-91.33596,30.15983],[-91.33716,30.1628],[-91.33796,30.16755],[-91.33739,30.17042],[-91.33556,30.17294],[-91.33344,30.17428],[-91.33053,30.17834],[-91.32446,30.18556],[-91.3204,30.20138],[-91.3192,30.20717],[-91.31759,30.21187],[-91.31674,30.21449],[-91.31702,30.21567],[-91.31788,30.21859],[-91.31765,30.22136],[-91.31674,30.22522],[-91.31427,30.22902],[-91.31399,30.22991],[-91.31473,30.23273],[-91.31485,30.23654],[-91.31536,30.23768],[-91.31702,30.24133],[-91.31759,30.24558]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43456,"geometry":{"type":"Polygon","coordinates":[[[-91.30130999999994,30.140340000000037],[-91.30428999999998,30.14014000000003],[-91.30937999999998,30.13910000000004],[-91.31332999999995,30.137770000000046],[-91.31578999999994,30.137020000000064],[-91.31847999999997,30.13683000000003],[-91.32105999999999,30.137520000000052],[-91.32293999999996,30.139000000000067],[-91.32339999999994,30.139790000000062],[-91.32322999999997,30.137470000000064],[-91.32253999999995,30.137770000000046],[-91.32059999999996,30.136580000000038],[-91.31939999999997,30.13638000000003],[-91.31641999999994,30.136130000000037],[-91.31097999999997,30.13767000000007],[-91.30846999999994,30.138660000000073],[-91.30205999999998,30.139550000000042],[-91.29970999999995,30.139450000000068],[-91.29684999999995,30.138460000000066],[-91.29284999999999,30.135290000000055],[-91.28723999999994,30.13029000000006],[-91.28523999999999,30.127670000000023],[-91.28391999999997,30.124600000000044],[-91.28431999999998,30.122470000000078],[-91.28597999999994,30.119600000000048],[-91.29306999999994,30.113910000000033],[-91.29964999999999,30.10946000000007],[-91.30302999999998,30.10540000000003],[-91.30428999999998,30.101730000000032],[-91.30525999999998,30.096140000000048],[-91.30680999999998,30.090550000000064],[-91.30685999999997,30.08609000000007],[-91.30502999999999,30.081530000000043],[-91.30211999999995,30.07767000000007],[-91.30125999999996,30.07594000000006],[-91.29993999999994,30.07445000000007],[-91.29512999999997,30.072320000000047],[-91.28551999999996,30.069200000000023],[-91.28236999999996,30.06633000000005],[-91.28133999999994,30.066730000000064],[-91.27412999999996,30.06272000000007],[-91.26852999999994,30.05836000000005],[-91.26783999999998,30.058760000000063],[-91.27166999999997,30.06173000000007],[-91.27533999999997,30.063960000000066],[-91.27950999999996,30.066980000000058],[-91.28488999999996,30.069650000000024],[-91.29186999999996,30.07242000000008],[-91.29741999999999,30.07421000000005],[-91.29936999999995,30.075100000000077],[-91.30125999999996,30.077870000000075],[-91.30325999999997,30.08015000000006],[-91.30451999999997,30.082520000000045],[-91.30600999999996,30.08609000000007],[-91.30611999999996,30.089900000000057],[-91.30428999999998,30.09659000000005],[-91.30342999999993,30.102230000000077],[-91.30216999999999,30.10540000000003],[-91.29930999999999,30.108660000000043],[-91.29667999999998,30.11059000000006],[-91.28780999999998,30.116930000000025],[-91.28477999999996,30.120150000000024],[-91.28345999999999,30.122280000000046],[-91.28311999999994,30.12495000000007],[-91.28477999999996,30.12797000000006],[-91.28614999999996,30.13024000000007],[-91.29083999999995,30.13494000000003],[-91.29478999999998,30.137820000000033],[-91.29844999999995,30.139940000000024],[-91.30130999999994,30.140340000000037]]]},"properties":{"ESRI_OID":43456,"MSI_UID":43456,"ATU":8,"TITLE":"Morgan City To Port Allen - Morgan City-Port Allen Alternate Route/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384701,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:atccha:atcriv:morcittoporall:morcitallaltrou","WATERWAY_NAME":"Morgan City-Port Allen Alternate Route","CREATE_DATE":1778507739000,"MODIFIED_DATE":1779119347000,"BEGIN_DATE":1778457600000,"END_DATE":1779753599000,"DESCRIPTION":"Lower Grand River - Bayou Pigeon - Morgan City-Port Allen Alternate Route - Waterway Safety Advisory --- From: 2026-05-11 To: Until Further Notice --- As a result of the Bayou Sorrel Lock Canal Gauge reading 6 ft, the U.S. Coast Guard Captain of the Port New Orleans has issued the following safety advisory in accordance with the Waterways Action Plan Baton Rouge Annex: A no wake advisory has been issued for the Lower Grand River (Bayou Pigeon) from the intersection with the Morgan City-Port Allen Alternate Route to the Iberville Parish line.  Mariners are urged to transit this area with caution.  For further information and for vessel queues, mariners can contact the Bayou Sorrel Lockmaster via VHF-FM Channel 14 or at (225) 659-7773. ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-91.30131,30.14034],[-91.30429,30.14014],[-91.30938,30.1391],[-91.31333,30.13777],[-91.31579,30.13702],[-91.31848,30.13683],[-91.32106,30.13752],[-91.32294,30.139],[-91.3234,30.13979],[-91.32323,30.13747],[-91.32254,30.13777],[-91.3206,30.13658],[-91.3194,30.13638],[-91.31642,30.13613],[-91.31098,30.13767],[-91.30847,30.13866],[-91.30206,30.13955],[-91.29971,30.13945],[-91.29685,30.13846],[-91.29285,30.13529],[-91.28724,30.13029],[-91.28524,30.12767],[-91.28392,30.1246],[-91.28432,30.12247],[-91.28598,30.1196],[-91.29307,30.11391],[-91.29965,30.10946],[-91.30303,30.1054],[-91.30429,30.10173],[-91.30526,30.09614],[-91.30681,30.09055],[-91.30686,30.08609],[-91.30503,30.08153],[-91.30212,30.07767],[-91.30126,30.07594],[-91.29994,30.07445],[-91.29513,30.07232],[-91.28552,30.0692],[-91.28237,30.06633],[-91.28134,30.06673],[-91.27413,30.06272],[-91.26853,30.05836],[-91.26784,30.05876],[-91.27167,30.06173],[-91.27534,30.06396],[-91.27951,30.06698],[-91.28489,30.06965],[-91.29187,30.07242],[-91.29742,30.07421],[-91.29937,30.0751],[-91.30126,30.07787],[-91.30326,30.08015],[-91.30452,30.08252],[-91.30601,30.08609],[-91.30612,30.0899],[-91.30429,30.09659],[-91.30343,30.10223],[-91.30217,30.1054],[-91.29931,30.10866],[-91.29668,30.11059],[-91.28781,30.11693],[-91.28478,30.12015],[-91.28346,30.12228],[-91.28312,30.12495],[-91.28478,30.12797],[-91.28615,30.13024],[-91.29084,30.13494],[-91.29479,30.13782],[-91.29845,30.13994],[-91.30131,30.14034]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43571,"geometry":{"type":"Polygon","coordinates":[[[-119.41680999999994,34.31478000000004],[-119.48812999999996,34.234060000000056],[-119.39083999999997,34.17480000000006],[-119.31967999999995,34.25559000000004],[-119.41680999999994,34.31478000000004]]]},"properties":{"ESRI_OID":43571,"MSI_UID":43571,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1778620320000,"MODIFIED_DATE":1778690817000,"BEGIN_DATE":1778544000000,"END_DATE":1783209599000,"DESCRIPTION":"Fathomwerx Proving Ground (FPG) will conduct unmanned vessel operations in the Santa Barbara Channel from June 1, 2026, to July 3, 2026. Exercises will take place daily between 0700 and 1900 hours on the following dates: June 1–5, June 8–12, June 15–19, June 22–26, and June 29–July 3. Operations will be confined to a 5x5 nautical mile area defined by the following corner positions: 34.31478, -119.41681; 34.25559, -119.31968; 34.17480, -119.39084; and 34.23406, -119.48813. Approximately 12 vessels will be involved, and mariners are requested to maintain a safe distance from the testing area and the FPG Support perimeter security vessel. All vessels will monitor VHF channel 16 (hail \"FPG Support Vessel Water Lead\") and can be reached at 805-837-7468. For more information, please contact Fathomwerx Proving Ground at 805-837-7468. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-119.41681,34.31478],[-119.48813,34.23406],[-119.39084,34.1748],[-119.31968,34.25559],[-119.41681,34.31478]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43650,"geometry":{"type":"Polygon","coordinates":[[[-71.37831999999997,41.666600000000074],[-71.40967999999998,41.66283000000004],[-71.40452999999997,41.605180000000075],[-71.40132999999997,41.59594000000004],[-71.43611999999996,41.58259000000004],[-71.43656999999996,41.57848000000007],[-71.41505999999998,41.53258000000005],[-71.39262999999994,41.527780000000064],[-71.38701999999995,41.53875000000005],[-71.38701999999995,41.55451000000005],[-71.37831999999997,41.56804000000005],[-71.37122999999997,41.569060000000036],[-71.36321999999996,41.566490000000044],[-71.36229999999995,41.546800000000076],[-71.36618999999996,41.538580000000024],[-71.36527999999998,41.527780000000064],[-71.34490999999997,41.52864000000005],[-71.32956999999993,41.57574000000005],[-71.33643999999998,41.581560000000025],[-71.33986999999996,41.59902000000005],[-71.32865999999996,41.61905000000007],[-71.33162999999996,41.62965000000003],[-71.35359999999997,41.63530000000003],[-71.36206999999996,41.64984000000004],[-71.36527999999998,41.65941000000004],[-71.37831999999997,41.666600000000074]]]},"properties":{"ESRI_OID":43650,"MSI_UID":43650,"ATU":1,"TITLE":"Sector Southeastern New England, Submerged Lands Act (SLA) - West Passage/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116382337,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:wespas","WATERWAY_NAME":"West Passage","CREATE_DATE":1778687978000,"MODIFIED_DATE":1778688067000,"BEGIN_DATE":1775088000000,"END_DATE":1806710399000,"DESCRIPTION":"General/MISC\n\nFrom: 2026-04-02 To: 2027-04-02\n\nUnmanned remote controlled vehicles will be conducting surface and aerial ground effect testing in the West Passage, Narragansett Bay, with speeds up to 50 knots. Mariners are advised to transit the area with extreme caution. \"REGENT support boats are standing by on Ch 13/16.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-71.37832,41.6666],[-71.40968,41.66283],[-71.40453,41.60518],[-71.40133,41.59594],[-71.43612,41.58259],[-71.43657,41.57848],[-71.41506,41.53258],[-71.39263,41.52778],[-71.38702,41.53875],[-71.38702,41.55451],[-71.37832,41.56804],[-71.37123,41.56906],[-71.36322,41.56649],[-71.3623,41.5468],[-71.36619,41.53858],[-71.36528,41.52778],[-71.34491,41.52864],[-71.32957,41.57574],[-71.33644,41.58156],[-71.33987,41.59902],[-71.32866,41.61905],[-71.33163,41.62965],[-71.3536,41.6353],[-71.36207,41.64984],[-71.36528,41.65941],[-71.37832,41.6666]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43658,"geometry":{"type":"Polygon","coordinates":[[[-72.12413999999995,40.39939000000004],[-72.12962999999996,39.81962000000004],[-69.29789999999997,39.811180000000036],[-69.31437999999997,40.38684000000006],[-72.12413999999995,40.39939000000004]]]},"properties":{"ESRI_OID":43658,"MSI_UID":43658,"ATU":1,"TITLE":"Sector Southeastern New England, Exclusive Economic Zone (EEZ)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116382374,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon","WATERWAY_NAME":"Sector Southeastern New England, Exclusive Economic Zone (EEZ)","CREATE_DATE":1778693705000,"MODIFIED_DATE":1778693795000,"BEGIN_DATE":1777334400000,"END_DATE":1792886399000,"DESCRIPTION":"\n\nFrom: 2026-05-11 To: 2026-06-25\n\nLocation:\n40-23-57.804N/072-07-26.904W\n40-23-12.624N/069-18-51.768W\n39-48-40.248N/069-17-52.440W\n39-49-10.632N/072-07-46.668W\n40-23-57.804N/072-07-26.904W\n\n\nChance Marine Technologies, LLC will be conducting uncrewed surface operations on the outer shelf, near Block Canyon, out of Newport RI from May 11, 2026, to June 25, 2026, 24 hours a day seven days a week. The USV is the Chance Maritime MC40, a 40’ USV painted yellow with a black mast, running inboard diesel and makes a 7 knot top speed. It will be continuously monitored and controlled 24/7 with live visual and thermal cameras, radar, AIS (Class A), marine VHF communications, and has a backup Iridium communications system. The vessel will be escorted in congested areas in/out of Newport as needed, weather dependent. Please contact the Chance Maritime Operations 337-362-4791 (24x7 ops, primary line) DL.OPS@ChanceMaritime.com \n\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-72.12414,40.39939],[-72.12963,39.81962],[-69.2979,39.81118],[-69.31438,40.38684],[-72.12414,40.39939]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43663,"geometry":{"type":"Polygon","coordinates":[[[-69.49999999999994,40.833300000000065],[-69.49999999999994,40.724000000000046],[-70.33329999999995,40.724000000000046],[-70.33329999999995,40.44383000000005],[-69.99999999999994,40.333300000000065],[-69.49999999999994,40.333300000000065],[-69.49999999999994,40.25000000000006],[-68.99999999999994,40.25000000000006],[-68.99999999999994,40.833300000000065],[-69.49999999999994,40.833300000000065]]]},"properties":{"ESRI_OID":43663,"MSI_UID":43663,"ATU":1,"TITLE":"Sector Southeastern New England, Exclusive Economic Zone (EEZ)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116382374,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon","WATERWAY_NAME":"Sector Southeastern New England, Exclusive Economic Zone (EEZ)","CREATE_DATE":1778694939000,"MODIFIED_DATE":1778694968000,"BEGIN_DATE":1774310400000,"END_DATE":1789862399000,"DESCRIPTION":"Miscellaneous/Survey Operations\n\nFrom: 2026-04-01 To: 2026-12-31\n\nSAILDRONE INC. intends to conduct operations with up to ten Uncrewed Surface Vehicles (USVs), contracted by the United States Coast Guard District Northeast from 01 April through 31 December 2026. The SAILDRONE VOYAGER is 33 feet in length, 19 feet tall, gray in color with an orange wing, and has a tricolor light on the top wing and is marked “SAILDRONE.”  These vehicles will be operating in waters predominantly offshore of Maine in the New England Grey Zone area, down to 300NM off the coast of Connecticut and New York. Mariners are requested to maintain 500m CPA from the vehicle. The plan for Saildrone USVs is to transit from Portland, Maine \n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-69.5,40.8333],[-69.5,40.724],[-70.3333,40.724],[-70.3333,40.44383],[-70,40.3333],[-69.5,40.3333],[-69.5,40.25],[-69,40.25],[-69,40.8333],[-69.5,40.8333]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43672,"geometry":{"type":"Polygon","coordinates":[[[-122.32358999999997,37.814130000000034],[-122.35207999999994,37.79894000000007],[-122.30401999999998,37.680840000000046],[-122.26796999999999,37.57208000000003],[-122.24049999999994,37.565270000000055],[-122.23534999999998,37.539420000000064],[-122.24221999999997,37.513550000000066],[-122.21818999999999,37.49857000000003],[-122.20101999999997,37.517630000000054],[-122.18556999999998,37.50538000000006],[-122.15981999999997,37.49993000000006],[-122.12720999999999,37.49993000000006],[-122.11518999999998,37.47950000000003],[-122.10660999999999,37.445440000000076],[-122.00188999999995,37.416810000000055],[-121.95553999999998,37.43590000000006],[-121.96927999999997,37.46860000000004],[-122.04480999999998,37.48359000000005],[-122.07741999999996,37.495850000000075],[-122.10694999999998,37.517630000000054],[-122.12668999999994,37.55779000000007],[-122.15193,37.61859000000004],[-122.16736999999995,37.667530000000056],[-122.20342,37.706920000000025],[-122.22058999999996,37.69198000000006],[-122.25835999999998,37.73001000000005],[-122.26006999999998,37.751730000000066],[-122.32701999999995,37.772080000000074],[-122.33388999999994,37.795150000000035],[-122.32358999999997,37.814130000000034]]]},"properties":{"ESRI_OID":43672,"MSI_UID":43672,"ATU":11,"TITLE":"San Francisco Oakland Bay Bridge West Crossing - San Leandro Marina Channel/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116385542,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanfraoakbaybriwescro:sanleamarcha","WATERWAY_NAME":"San Leandro Marina Channel","CREATE_DATE":1778712141000,"MODIFIED_DATE":1779205153000,"BEGIN_DATE":1778630400000,"END_DATE":1787183999000,"DESCRIPTION":"The U.S. Coast Guard is conducting a Waterways Analysis and Management System (WAMS) study of,\nSan Leandro Channel, NAS Alameda, San Francisco South Bay,\nSan Francisco Bay South Channel, San Francisco Airport, Hunters Point, San Bruno Shoal, San Leandro Bay and Redwood Creek. \n\nThe study focuses on the area’s aids to navigation system, waterborne commerce, marine casualty information, port/harbor resources, emergency response plans, routine and emergency communication capabilities, and future development projects.\nThis study seeks to obtain data on the effectiveness of the system of Aids to Navigation, as well as other waterway safety concerns. Any interested company or individual wishing to provide comments or participate in a user survey may do so via link at: https://www.research.net/r/LTR8FBC or contact ENS Robert Black at d11-smb-d11-lnm@uscg.mil or via phone at (571)-610-6866 by August 18, 2026.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.32359,37.81413],[-122.35208,37.79894],[-122.30402,37.68084],[-122.26797,37.57208],[-122.2405,37.56527],[-122.23535,37.53942],[-122.24222,37.51355],[-122.21819,37.49857],[-122.20102,37.51763],[-122.18557,37.50538],[-122.15982,37.49993],[-122.12721,37.49993],[-122.11519,37.4795],[-122.10661,37.44544],[-122.00189,37.41681],[-121.95554,37.4359],[-121.96928,37.4686],[-122.04481,37.48359],[-122.07742,37.49585],[-122.10695,37.51763],[-122.12669,37.55779],[-122.15193,37.61859],[-122.16737,37.66753],[-122.20342,37.70692],[-122.22059,37.69198],[-122.25836,37.73001],[-122.26007,37.75173],[-122.32702,37.77208],[-122.33389,37.79515],[-122.32359,37.81413]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43677,"geometry":{"type":"Polygon","coordinates":[[[-71.37087999999994,41.65689000000003],[-71.39834999999994,41.648430000000076],[-71.40160999999995,41.60737000000006],[-71.33877999999999,41.61597000000006],[-71.37087999999994,41.65689000000003]]]},"properties":{"ESRI_OID":43677,"MSI_UID":43677,"ATU":1,"TITLE":"Sector Southeastern New England, Submerged Lands Act (SLA) - West Passage/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116382337,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:wespas","WATERWAY_NAME":"West Passage","CREATE_DATE":1778760068000,"MODIFIED_DATE":1778760087000,"BEGIN_DATE":1778716800000,"END_DATE":1780271999000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2026-05-14 To: 2026-05-31\n\nLocation:\n41-39-24.804N/071-22-15.168W\n41-36-57.492N/071-20-19.608W\n41-36-26.532N/071-24-05.796W\n41-38-54.348N/071-23-54.060W\n41-39-24.804N/071-22-15.168W\nBlue Water Autonomy will be conducting testing of autonomous equipment onboard CTV ATLANTIC ENDURANCE. A Security call will be made at the beginning and end of each day/night of testing on CH16. All local channels will be monitored during\ntesting. There will be a 25' SAFEBOAT on scene during testing.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-71.37088,41.65689],[-71.39835,41.64843],[-71.40161,41.60737],[-71.33878,41.61597],[-71.37088,41.65689]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43794,"geometry":{"type":"Polygon","coordinates":[[[-84.43964999999997,35.750770000000045],[-84.44047999999998,35.749730000000056],[-84.43785999999994,35.74830000000003],[-84.43544999999995,35.74775000000005],[-84.43160999999998,35.74753000000004],[-84.43119999999999,35.749780000000044],[-84.43418999999994,35.748950000000036],[-84.43717999999996,35.749610000000075],[-84.43964999999997,35.750770000000045]]]},"properties":{"ESRI_OID":43794,"MSI_UID":43794,"ATU":2,"TITLE":"Ohio River - Tennessee River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381408,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv:tenriv","WATERWAY_NAME":"Tennessee River","CREATE_DATE":1778848927000,"MODIFIED_DATE":1779192458000,"BEGIN_DATE":1778803200000,"END_DATE":1781308799000,"DESCRIPTION":"A nun buoy has been reported off station in the vicinity of Mile 579.5.  Mariners are urged to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-84.43965,35.75077],[-84.44048,35.74973],[-84.43786,35.7483],[-84.43545,35.74775],[-84.43161,35.74753],[-84.4312,35.74978],[-84.43419,35.74895],[-84.43718,35.74961],[-84.43965,35.75077]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43813,"geometry":{"type":"Polygon","coordinates":[[[-70.91820999999999,41.60506000000004],[-70.92490999999995,41.603770000000054],[-70.88765999999998,41.51270000000005],[-70.86465999999996,41.52054000000004],[-70.91820999999999,41.60506000000004]]]},"properties":{"ESRI_OID":43813,"MSI_UID":43813,"ATU":1,"TITLE":"Buzzards Bay Main Channel - Southwest Approach/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381814,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:buzbaymaicha:souapp","WATERWAY_NAME":"Southwest Approach","CREATE_DATE":1778856870000,"MODIFIED_DATE":1778856898000,"BEGIN_DATE":1778803200000,"END_DATE":1796083199000,"DESCRIPTION":"General/Miscellaneous\n\nFrom: 2026-05-15 To: 2026-11-30\n\nLocation:\n41-36-18.216N/070-55-05.556W\n41-31-13.944N/070-51-52.776W\n41-30-45.720N/070-53-15.576W\n41-36-13.572N/070-55-29.676W\n41-36-18.216N/070-55-05.556W\nBlue Water Autonomy will be conducting testing of autonomous equipment onboard CTV ATLANTIC ENDURANCE. A Security call will be made at the beginning and end of each day/night of testing on CH16. All local channels will be monitored during\ntesting. There will be a 25' SAFEBOAT on scene during testing.\n\n\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-70.91821,41.60506],[-70.92491,41.60377],[-70.88766,41.5127],[-70.86466,41.52054],[-70.91821,41.60506]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43814,"geometry":{"type":"Polygon","coordinates":[[[-87.38835999999998,37.93798000000004],[-87.38980999999995,37.93587000000008],[-87.38186999999994,37.93341000000004],[-87.38072999999997,37.93563000000006],[-87.38835999999998,37.93798000000004]]]},"properties":{"ESRI_OID":43814,"MSI_UID":43814,"ATU":2,"TITLE":"Lower Mississippi River - Ohio River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381306,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv","WATERWAY_NAME":"Ohio River","CREATE_DATE":1778857337000,"MODIFIED_DATE":1778857680000,"BEGIN_DATE":1778803200000,"END_DATE":1780703999000,"DESCRIPTION":"Multiple buoys have been reported missing in the J.T. Myers pool, between approximate Miles 776.0 and 846.0.  Mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-87.38836,37.93798],[-87.38981,37.93587],[-87.38187,37.93341],[-87.38073,37.93563],[-87.38836,37.93798]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43854,"geometry":{"type":"Polygon","coordinates":[[[-91.27117999999996,29.76660000000004],[-91.27700999999996,29.765990000000045],[-91.28473999999994,29.764020000000073],[-91.29303999999996,29.76165000000003],[-91.29206999999997,29.75900000000007],[-91.29138999999998,29.75622000000004],[-91.28805999999997,29.75720000000007],[-91.26879999999994,29.752680000000055],[-91.25961999999998,29.753510000000063],[-91.25346999999994,29.75215000000003],[-91.24376999999998,29.748610000000042],[-91.24022999999994,29.74598000000003],[-91.23602999999997,29.74518000000006],[-91.23272999999995,29.74562000000003],[-91.23069999999996,29.74517000000003],[-91.22929999999997,29.74306000000007],[-91.22557999999998,29.744590000000073],[-91.22935999999999,29.751550000000066],[-91.23584999999997,29.75550000000004],[-91.24107999999995,29.760640000000024],[-91.25718999999998,29.76410000000004],[-91.26913999999994,29.765730000000076],[-91.27117999999996,29.76660000000004]]]},"properties":{"ESRI_OID":43854,"MSI_UID":43854,"ATU":8,"TITLE":"Lower Old River - Atchafalaya River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100118247228,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:lowoldriv:atcriv","WATERWAY_NAME":"Atchafalaya River","CREATE_DATE":1779105081000,"MODIFIED_DATE":1779108803000,"BEGIN_DATE":1779062400000,"END_DATE":1785628799000,"DESCRIPTION":"Atchafalaya River - Stouts Pass - Channel Conditions --- Reported: 2026-05-15 --- Multiple groundings have been reported in the vicinity of Stouts Pass on the Atchafalaya River between Miles 113.0 and 117.0.  The most recent grounding occurred with a River Gauge of 3.9 ft and the vessel drafting 10 ft 3 in.  Tows drafting more than 9 ft 6 in are urged to use extreme caution and slow to bear steerageway.  For more information, mariners can contact the U.S. Coast Guard Marine Safety Unit Morgan City Waterways Management Division at (985) 397-3300 or U.S. Coast Guard VTS Berwick Bay at (985) 380-5322.\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-91.27118,29.7666],[-91.27701,29.76599],[-91.28474,29.76402],[-91.29304,29.76165],[-91.29207,29.759],[-91.29139,29.75622],[-91.28806,29.7572],[-91.2688,29.75268],[-91.25962,29.75351],[-91.25347,29.75215],[-91.24377,29.74861],[-91.24023,29.74598],[-91.23603,29.74518],[-91.23273,29.74562],[-91.2307,29.74517],[-91.2293,29.74306],[-91.22558,29.74459],[-91.22936,29.75155],[-91.23585,29.7555],[-91.24108,29.76064],[-91.25719,29.7641],[-91.26914,29.76573],[-91.27118,29.7666]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":43935,"geometry":{"type":"Polygon","coordinates":[[[-87.17805999999996,29.950000000000045],[-87.17805999999996,29.533330000000035],[-86.69999999999999,29.533330000000035],[-86.69999999999999,29.950000000000045],[-87.17805999999996,29.950000000000045]]]},"properties":{"ESRI_OID":43935,"MSI_UID":43935,"ATU":8,"TITLE":"Sector Mobile, Exclusive Economic Zone (EEZ)/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384629,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon","WATERWAY_NAME":"Sector Mobile, Exclusive Economic Zone (EEZ)","CREATE_DATE":1779129923000,"MODIFIED_DATE":1779191821000,"BEGIN_DATE":1781481600000,"END_DATE":1787356799000,"DESCRIPTION":"Gulf of America - Unmanned Surface Vessel Operation --- From: 2026-07-15 To: 2026-08-20 --- Unmanned surface vessel (USV) tests will be conducted in the Gulf of America, in an area bound by approximate positions: \n29-57-00N 087-10-41W,\n29-57-00N 086-42-00W,\t\n29-32-00N 086-42-00W and\t\t\n29-32-00N 087-10-41W. \nOperations will take place from 6:00 a.m. to 8:00 p.m., 7-days a week.  Three vessels and the USV will conduct sensor tests, collision avoidance, and navigation tests in the testing area.  On-scene vessels will include a 157 ft Catamaran Research Vessel, the M/V FEARLESS and a Crew Boat.  Mariners are urged to maintain a wide berth from the operating area and transit with caution.  VHF-FM Channels: 13 and 16 ","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-87.17806,29.95],[-87.17806,29.53333],[-86.7,29.53333],[-86.7,29.95],[-87.17806,29.95]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":44032,"geometry":{"type":"Polygon","coordinates":[[[-89.29095999999998,30.342270000000042],[-89.32522999999998,30.34203000000008],[-89.32574999999997,30.314020000000028],[-89.29038999999995,30.314320000000066],[-89.29095999999998,30.342270000000042]]]},"properties":{"ESRI_OID":44032,"MSI_UID":44032,"ATU":8,"TITLE":"Sector Mobile, Submerged Land Act (SLA) - Mississippi Sound/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116384544,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:missou","WATERWAY_NAME":"Mississippi Sound","CREATE_DATE":1779199257000,"MODIFIED_DATE":1779199483000,"BEGIN_DATE":1779148800000,"END_DATE":1780185599000,"DESCRIPTION":"Saint Louis Bay - Jourdan River Channel - USV Testing Operation --- From: 2026-05-22 To: 2026-05-29 --- An unmanned radio controlled vessel will be tested north of the SS Railroad Swing Bridge in Saint Louis Bay, from 8:00 a.m. to 4:00 p.m., daily.  On-scene vessels will include the USV and 3 support craft.  Vessels are requested to remain clear of the USV when in operation and should check-in with one of the safety boats prior to transiting through the area.  VHF-FM Channel: 16","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-89.29096,30.34227],[-89.32523,30.34203],[-89.32575,30.31402],[-89.29039,30.31432],[-89.29096,30.34227]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":44062,"geometry":{"type":"Polygon","coordinates":[[[-84.23494999999997,35.645140000000026],[-84.23552999999998,35.64227000000005],[-84.23923999999994,35.63901000000004],[-84.23685999999998,35.63754000000006],[-84.23389999999995,35.640720000000044],[-84.23246999999998,35.64483000000007],[-84.23494999999997,35.645140000000026]]]},"properties":{"ESRI_OID":44062,"MSI_UID":44062,"ATU":2,"TITLE":"Tennessee River - Little Tennessee River/General/Miscellaneous","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Miscellaneous","TYPE":null,"WTRW_UID":100116381302,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:ohiriv:tenriv:littenriv","WATERWAY_NAME":"Little Tennessee River","CREATE_DATE":1779207105000,"MODIFIED_DATE":1779207656000,"BEGIN_DATE":1779148800000,"END_DATE":1794787199000,"DESCRIPTION":"A can buoy has been reported sinking in the vicinity of Mile 14.0.  Mariners are urged to exercise caution in the area.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-84.23495,35.64514],[-84.23553,35.64227],[-84.23924,35.63901],[-84.23686,35.63754],[-84.2339,35.64072],[-84.23247,35.64483],[-84.23495,35.64514]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}}]}