{"type":"FeatureCollection","features":[{"type":"Feature","id":28228,"geometry":{"type":"Point","coordinates":[-79.94219999999996,32.76830000000007]},"properties":{"ESRI_OID":28228,"MSI_UID":28228,"ATU":7,"TITLE":"Charleston Harbor South Channel - Ashley River/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384354,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:chaharsoucha:ashriv","WATERWAY_NAME":"Ashley River","CREATE_DATE":1758034959000,"MODIFIED_DATE":1758035039000,"BEGIN_DATE":1757980800000,"END_DATE":1913673599000,"DESCRIPTION":"General/Naval Activity/Naval Testing (Surface/Underwater)\nFrom: 2025-09-16\n28228\n\nLocation:\n32.7683° N / 79.9422° W\n\nNaval Information Warfare Center (NIWC) Atlantic is deploying research and data buoys within the Charleston Harbor, Cooper River, Wando River, and Ashley River. The buoys are yellow and white with 2’ diameter and 3’ height above waterline. The buoys will be lit with a yellow flashing light. \n\nMore information can be found at: https://www.niwcatlantic.navy.mil/Media/Article/4198922/niwc-atlantic-south-carolina-department-of-natural-resources-partner-on-maritim/","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.9422,32.7683]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.9422,"DECIMAL_LATITUDE":32.7683}},{"type":"Feature","id":28229,"geometry":{"type":"Point","coordinates":[-79.91369999999995,32.756200000000035]},"properties":{"ESRI_OID":28229,"MSI_UID":28229,"ATU":7,"TITLE":"Charleston Harbor - Charleston Harbor South Channel/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384361,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:chaharsoucha","WATERWAY_NAME":"Charleston Harbor South Channel","CREATE_DATE":1758035172000,"MODIFIED_DATE":1758035206000,"BEGIN_DATE":1757980800000,"END_DATE":1913673599000,"DESCRIPTION":"General/Naval Activity/Naval Testing (Surface/Underwater)\nFrom: 2025-09-16 \n28229\n\nLocation:\n32.7562° N / 79.9137° W\n\nNaval Information Warfare Center (NIWC) Atlantic is deploying research and data buoys within the Charleston Harbor, Cooper River, Wando River, and Ashley River. The buoys are yellow and white with 2’ diameter and 3’ height above waterline. The buoys will be lit with a yellow flashing light. \n\nMore information can be found at: https://www.niwcatlantic.navy.mil/Media/Article/4198922/niwc-atlantic-south-carolina-department-of-natural-resources-partner-on-maritim/","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.9137,32.7562]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.9137,"DECIMAL_LATITUDE":32.7562}},{"type":"Feature","id":28230,"geometry":{"type":"Point","coordinates":[-79.91859999999997,32.80630000000008]},"properties":{"ESRI_OID":28230,"MSI_UID":28230,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Charleston Harbor/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384333,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar","WATERWAY_NAME":"Charleston Harbor","CREATE_DATE":1758035334000,"MODIFIED_DATE":1758035404000,"BEGIN_DATE":1757980800000,"END_DATE":1913673599000,"DESCRIPTION":"General/Naval Activity/Naval Testing (Surface/Underwater)\nFrom: 2025-09-16 \n28230\n\nLocation:\n32.8063° N / 79.9186° W\n\nNaval Information Warfare Center (NIWC) Atlantic is deploying research and data buoys within the Charleston Harbor, Cooper River, Wando River, and Ashley River. The buoys are yellow and white with 2’ diameter and 3’ height above waterline. The buoys will be lit with a yellow flashing light. \n\nMore information can be found at: https://www.niwcatlantic.navy.mil/Media/Article/4198922/niwc-atlantic-south-carolina-department-of-natural-resources-partner-on-maritim/","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.9186,32.8063]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.9186,"DECIMAL_LATITUDE":32.8063}},{"type":"Feature","id":28231,"geometry":{"type":"Point","coordinates":[-79.89329999999995,32.840100000000064]},"properties":{"ESRI_OID":28231,"MSI_UID":28231,"ATU":7,"TITLE":"Charleston Harbor - Wando River/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384351,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:wanriv","WATERWAY_NAME":"Wando River","CREATE_DATE":1758035477000,"MODIFIED_DATE":1758035505000,"BEGIN_DATE":1757980800000,"END_DATE":1913673599000,"DESCRIPTION":"General/Naval Activity/Naval Testing (Surface/Underwater)\nFrom: 2025-09-16 \n28231\n\nLocation:\n32.8401° N / 79.8933° W\n\nNaval Information Warfare Center (NIWC) Atlantic is deploying research and data buoys within the Charleston Harbor, Cooper River, Wando River, and Ashley River. The buoys are yellow and white with 2’ diameter and 3’ height above waterline. The buoys will be lit with a yellow flashing light. \n\nMore information can be found at: https://www.niwcatlantic.navy.mil/Media/Article/4198922/niwc-atlantic-south-carolina-department-of-natural-resources-partner-on-maritim/","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.8933,32.8401]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.89330000000001,"DECIMAL_LATITUDE":32.8401}},{"type":"Feature","id":28232,"geometry":{"type":"Point","coordinates":[-79.91839999999996,32.75630000000007]},"properties":{"ESRI_OID":28232,"MSI_UID":28232,"ATU":7,"TITLE":"Charleston Harbor - Charleston Harbor South Channel/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384361,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:chaharsoucha","WATERWAY_NAME":"Charleston Harbor South Channel","CREATE_DATE":1758035610000,"MODIFIED_DATE":1758035658000,"BEGIN_DATE":1757980800000,"END_DATE":1913673599000,"DESCRIPTION":"General/Naval Activity/Naval Testing (Surface/Underwater)\nFrom: 2025-09-16 \n28232\n\nLocation:\n32.7563° N / 79.9184° W\n\nNaval Information Warfare Center (NIWC) Atlantic is deploying research and data buoys within the Charleston Harbor, Cooper River, Wando River, and Ashley River. The buoys are yellow and white with 2’ diameter and 3’ height above waterline. The buoys will be lit with a yellow flashing light. \n\nMore information can be found at: https://www.niwcatlantic.navy.mil/Media/Article/4198922/niwc-atlantic-south-carolina-department-of-natural-resources-partner-on-maritim/","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.9184,32.7563]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.9184,"DECIMAL_LATITUDE":32.7563}},{"type":"Feature","id":28233,"geometry":{"type":"Point","coordinates":[-79.86619999999994,32.754000000000076]},"properties":{"ESRI_OID":28233,"MSI_UID":28233,"ATU":7,"TITLE":"Sector Charleston, Submerged Land Act (SLA) - Charleston Harbor/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384333,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar","WATERWAY_NAME":"Charleston Harbor","CREATE_DATE":1758035755000,"MODIFIED_DATE":1758035855000,"BEGIN_DATE":1757980800000,"END_DATE":1913673599000,"DESCRIPTION":"General/Naval Activity/Naval Testing (Surface/Underwater)\nFrom: 2025-09-16\n28233\n\nLocation:\n32.754° N / 79.8662° W\n\nNaval Information Warfare Center (NIWC) Atlantic is deploying research and data buoys within the Charleston Harbor, Cooper River, Wando River, and Ashley River. The buoys are yellow and white with 2’ diameter and 3’ height above waterline. The buoys will be lit with a yellow flashing light. \n\nMore information can be found at: https://www.niwcatlantic.navy.mil/Media/Article/4198922/niwc-atlantic-south-carolina-department-of-natural-resources-partner-on-maritim/","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.8662,32.754]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.8662,"DECIMAL_LATITUDE":32.754000000000005}},{"type":"Feature","id":48958,"geometry":{"type":"Point","coordinates":[-122.56689999999998,48.21950000000004]},"properties":{"ESRI_OID":48958,"MSI_UID":48958,"ATU":13,"TITLE":"Possession Sound - Saratoga Passage/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116385932,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:secpugsouexcecozon:secpugsoutersea:secpugsousublanact:strofjuadefuc:adminl:pugsou:possou:sarpas","WATERWAY_NAME":"Saratoga Passage","CREATE_DATE":1784237137000,"MODIFIED_DATE":1784237147000,"BEGIN_DATE":1784160000000,"END_DATE":1796169599000,"DESCRIPTION":"The Naval Research Lab will be conducting a Sofar Wave buoy installation in Saratoga Pass from 22 Jul through 03 Aug 2016. These buoys will be in place until November 2026. There will be two sets of two buoys each, comprising of one anchored red polyball buoy, and one yellow spotter buoy tethered to the red polyball buoy. The hazard is a 5m tether line horizontally near surface from the Spotter to the red polyball buoy, and vertical mooring line from the red polyball to a clump weight anchor on the seafloor at the below locations. See attached diagram. Each set of buoys are in approximate positions 48°13'10.21\"N, 122°34'2.09\"W and 48°15'9.99\"N, 122°34'1.05\"W. The R/V Michael Uhl and R/V Surveyor will be on station during the deployment and will be monitoring VHF-FM Channel 16. For additional information, contact NRL Stennis at 228-688-5825. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.5669,48.2195]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.5669,"DECIMAL_LATITUDE":48.219500000000004}},{"type":"Feature","id":54866,"geometry":{"type":"Point","coordinates":[-85.73352999999997,30.19536000000005]},"properties":{"ESRI_OID":54866,"MSI_UID":54866,"ATU":8,"TITLE":"Sector Mobile, Submerged Land Act (SLA) - East Bay To West Bay/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384556,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:standbayenttowesbay","WATERWAY_NAME":"East Bay To West Bay","CREATE_DATE":1790872663000,"MODIFIED_DATE":1790875884000,"BEGIN_DATE":1790812800000,"END_DATE":1793491199000,"DESCRIPTION":"St Andrew Bay - West Bay - U.S. Navy Operation --- From: 2026-10-02 To: 2026-10-30 --- The U.S. Navy will conduct surface and subsurface testing operations in St. Andrew Bay/West Bay.  Naval teams will deploy unmanned surface vehicles, both on the surface and below the surface of the water, in the testing area located in approximate position 30-11-43.29N 085-44-00.71W.  Operations will be conducted Monday through Friday, from 8:00 a.m. to 3:00 p.m.  On-scene vessels will include various naval support craft.  Mariners are urged to maintain a wide berth from the testing area, keep a sharp lookout for low profile water craft, and proceed with caution.  VHF-FM Channels: 16\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-85.73353,30.19536]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-85.73353,"DECIMAL_LATITUDE":30.195359999999997}},{"type":"Feature","id":54869,"geometry":{"type":"Point","coordinates":[-85.68688999999995,30.052610000000072]},"properties":{"ESRI_OID":54869,"MSI_UID":54869,"ATU":8,"TITLE":"Sector Mobile, Territorial Sea - Sector Mobile, Submerged Land Act (SLA)/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116384736,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact","WATERWAY_NAME":"Sector Mobile, Submerged Land Act (SLA)","CREATE_DATE":1790872955000,"MODIFIED_DATE":1790950803000,"BEGIN_DATE":1790812800000,"END_DATE":1793491199000,"DESCRIPTION":"Gulf of America - U.S. Navy Operation --- From: 2026-10-02 To: 2026-10-30 --- The U.S. Navy will conduct surface and subsurface testing operations in the Gulf of America.  Naval teams will deploy unmanned surface vehicles, both on the surface and below the surface of the water, in the testing area located in approximate position 30-03-09.4N 085-41-12.8W.  Operations will be conducted Monday through Friday, from 8:00 a.m. to 3:00 p.m.  On-scene vessels will include various naval support craft.  Mariners are urged to maintain a wide berth from the testing area, keep a sharp lookout for low profile water craft, and proceed with caution.  VHF-FM Channels: 16","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-85.68689,30.05261]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-85.68688999999999,"DECIMAL_LATITUDE":30.052609999999998}},{"type":"Feature","id":54968,"geometry":{"type":"Point","coordinates":[-85.74091999999996,30.01257000000004]},"properties":{"ESRI_OID":54968,"MSI_UID":54968,"ATU":8,"TITLE":"Sector Mobile, Territorial Sea - Sector Mobile, Submerged Land Act (SLA)/General/Naval Activity/Military Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Military Operations","WTRW_UID":100116384736,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact","WATERWAY_NAME":"Sector Mobile, Submerged Land Act (SLA)","CREATE_DATE":1790959547000,"MODIFIED_DATE":1790962107000,"BEGIN_DATE":1790899200000,"END_DATE":1792454399000,"DESCRIPTION":"Gulf of America - U.S. Navy Operation --- From: 2026-10-07 To: 2026-10-18 --- The U.S. Navy will be conducting an unexploded ordnance exercise in the Gulf of America near approximate position 30-00-45.24N 085-44-27.30W.  Operations will be conducted 24-hours a day, 7-days a week.  On-scene vessels will include the M/Vs HOS MYSTIQUE, PSC-08 and PSC-12.  Mariners should maintain at least a one mile closest point of approach from the operating area and all U.S. Naval support vessels.  VHF-FM Channels: 16, 81 or 82","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-85.74092,30.01257]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-85.74092,"DECIMAL_LATITUDE":30.01257}},{"type":"Feature","id":54970,"geometry":{"type":"Point","coordinates":[-86.05092999999994,29.954780000000028]},"properties":{"ESRI_OID":54970,"MSI_UID":54970,"ATU":8,"TITLE":"Sector Mobile, Exclusive Economic Zone (EEZ)/General/Naval Activity/Military Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Military Operations","WTRW_UID":100116384629,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon","WATERWAY_NAME":"Sector Mobile, Exclusive Economic Zone (EEZ)","CREATE_DATE":1790959653000,"MODIFIED_DATE":1790962185000,"BEGIN_DATE":1790899200000,"END_DATE":1792454399000,"DESCRIPTION":"Gulf of America - U.S. Navy Operation --- From: 2026-10-07 To: 2026-10-18 --- The U.S. Navy will be conducting an unexploded ordnance exercise in the Gulf of America near approximate position 29-57-17.22N 086-03-03.36W.  Operations will be conducted 24-hours a day, 7-days a week.  On-scene vessels will include the M/Vs HOS MYSTIQUE, PSC-08 and PSC-12.  Mariners should maintain at least a one mile closest point of approach from the operating area and all U.S. Naval support vessels.  VHF-FM Channels: 16, 81 or 82","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-86.05093,29.95478]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-86.05093,"DECIMAL_LATITUDE":29.95478}}]}