{"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":37700,"geometry":{"type":"Point","coordinates":[-150.78182999999996,58.724000000000046]},"properties":{"ESRI_OID":37700,"MSI_UID":37700,"ATU":17,"TITLE":"Sector Anchorage, Exclusive Economic Zone (EEZ)/General/Naval Activity/Naval Gunnery Exercises","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Gunnery Exercises","WTRW_UID":100116385379,"MRN":"urn:mrn:iala:wwy:us:navXII:dis17:secancexcecozon","WATERWAY_NAME":"Sector Anchorage, Exclusive Economic Zone (EEZ)","CREATE_DATE":1771872444000,"MODIFIED_DATE":1771872452000,"BEGIN_DATE":1771804800000,"END_DATE":1787961599000,"DESCRIPTION":"General/Naval Activity\nFrom: 2026-02-23 To: 2026-08-28\nLocation:\n58-43-26.400N/150-46-54.588W\nHAZARDOUS OPERATIONS-A GUNNERY AND PYROTECHNICS EXERCISE WILL BE CONDUCTED IN APPROX. POSITION 58-43.44N 150-46.91W,\nAPPROXIMATELY 29NM SOUTH FROM GORE POINT, FROM 27 1600 FEB 26 TO 27 2300 FEB 26 UTC\nWHICH IS 0700 TO 1400 ALASKA TIME, 27 FEB 26.\nDANGER RADIUS 20,000 YDS, DANGER ALTITUDE 17,000 FT.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-150.78183,58.724]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-150.78183,"DECIMAL_LATITUDE":58.724000000000004}},{"type":"Feature","id":41792,"geometry":{"type":"Point","coordinates":[-122.76299999999998,47.72500000000008]},"properties":{"ESRI_OID":41792,"MSI_UID":41792,"ATU":13,"TITLE":"Admiralty Inlet - Hood Canal/General/Naval Activity/Naval Testing (Surface/Underwater)","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Naval Activity","TYPE":"Naval Testing (Surface/Underwater)","WTRW_UID":100116385846,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:secpugsouexcecozon:secpugsoutersea:secpugsousublanact:strofjuadefuc:adminl:hoocan","WATERWAY_NAME":"Hood Canal","CREATE_DATE":1776800900000,"MODIFIED_DATE":1777060522000,"BEGIN_DATE":1777507200000,"END_DATE":1778371199000,"DESCRIPTION":"The US Navy will be conducting operations in the Hood Canal between Hood Canal Light 10 and Hazel Point in vicinity of 47-43-29 N / 122-45-47 W from 04 - 08 May 2026 from 0700 to 1900 PDT. Operations will involve semi-submersible and submersible vehicles. Two yellow 7ft diameter spherical buoys will be planted in locations: 47 43’ 34”N / 122 46’ 07”W and 47 43’ 24”N / 122 45’ 26”W. The buoys will be pulled towards a Naval vessel moored between them. A 600yd stand off range from the moored craft is requested.\n\nThe Navy vessels will have red flashing lights and will monitor VHF marine channels 16 and 12. Call sign for the Navy vessels will be “Range Control”. All craft transiting the area are requested to exercise caution and maintain a sharp lookout for possible semi-submerged vehicles or other floating objects. Questions can be directed to Range Control VHF marine channel 16 and 12 or by contacting the Pacific Northwest Range Management and Operations Division, Range Control Branch, Keyport, WA (360-396-2313).","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-122.763,47.725]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-122.763,"DECIMAL_LATITUDE":47.725}}]}