{"url_path":"/weather/alerts/2.49.0.1.840.0.4dc4c803351121db50111f167b838a1f2b5fce61.001.1","section_key":"alert","section_title":"Special Marine Warning issued July 12 at 7:04PM EDT until July 12 at 9:00PM EDT by NWS Charleston SC","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-12","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4dc4c803351121db50111f167b838a1f2b5fce61.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Charleston SC"},"word_count":272,"has_tables":false,"body_markdown":"# Special Marine Warning: Special Marine Warning issued July 12 at 7:04PM EDT until July 12 at 9:00PM EDT by NWS Charleston SC\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Coastal waters from Edisto Beach SC to Savannah GA out 20 NM; Coastal waters from Savannah GA to Altamaha Sound GA out 20 nm, including Grays Reef National Marine Sanctuary; Waters from Edisto Beach SC to Savannah GA extending from 20 to 60 NM; Waters from Savannah GA to Altamaha Sound GA extending from 20 to 60 NM\n**Issued by:** NWS Charleston SC\n**Sent:** 2026-07-12T19:04:00-04:00\n**Effective:** 2026-07-12T19:04:00-04:00\n**Expires:** 2026-07-12T21:00:00-04:00\n\n## Description\nFor the following areas...\nWaters from Edisto Beach SC to Savannah GA out 60 NM...\nWaters from Savannah GA to Altamaha Sound GA out 60 NM...\n\nAt 704 PM EDT, strong thunderstorms were located along a line from 7\nNM northeast of Fripp Island Reef to near Wassaw Sound Buoy, moving\nsoutheast at 15 knots.\n\nHAZARD...Wind gusts to 34 knots.\n\nSOURCE...Buoy.\n\nIMPACT...Small craft could be damaged in briefly higher winds and\nsuddenly higher waves.\n\nLocations impacted include...\nBetsy Ross Reef, Beaufort 45 Feet Reef, General Gordon, Hilton Head\nReef, Hunting Island Reef, Fripp Island Reef, Fripp Island Wreck,\nR7 Tower, Fish America, Gaskins Bank Wreck, Gaskin Banks, Fripp\nInlet Buoy, Port Royal Sound, Whitewater Reef and Buoy L.\n\n## Instructions\nMove to safe harbor until hazardous weather passes.\n\nBoaters should seek safe harbor immediately until these storms pass.\nWind gusts 34 knots or greater, high waves, dangerous lightning, and\nheavy rain are possible with these storms.\n\nFrequent lightning is occurring with these storms. If caught on the\nopen water stay below deck if possible, keep away from ungrounded\nmetal objects."}