{"url_path":"/weather/alerts/2.49.0.1.840.0.2e6e2f0244b9142857fff593ae22c93bea2c260b.001.1","section_key":"alert","section_title":"Special Marine Warning issued June 23 at 6:45PM EDT until June 23 at 7:45PM EDT by NWS Jacksonville FL","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-23","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.2e6e2f0244b9142857fff593ae22c93bea2c260b.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Jacksonville FL"},"word_count":197,"has_tables":false,"body_markdown":"# Special Marine Warning: Special Marine Warning issued June 23 at 6:45PM EDT until June 23 at 7:45PM EDT by NWS Jacksonville FL\n\n**Severity:** Severe\n**Certainty:** Likely\n**Urgency:** Immediate\n**Areas:** Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM\n**Issued by:** NWS Jacksonville FL\n**Sent:** 2026-06-23T18:45:00-04:00\n**Effective:** 2026-06-23T18:45:00-04:00\n**Expires:** 2026-06-23T19:45:00-04:00\n\n## Description\nSMWJAX\n\nThe National Weather Service in Jacksonville has issued a\n\n* Special Marine Warning for...\nWaters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60\nNM...\n\n* Until 745 PM EDT.\n\n* At 645 PM EDT, a strong thunderstorm was located 36 nm east of\nAmelia City, or 43 nm south of R2 Tower, moving northeast at 30\nknots.\n\nHAZARD...Wind gusts to nearly 50 knots.\n\nSOURCE...Radar.\n\nIMPACT...Small craft could be damaged in briefly higher winds and\nsuddenly higher waves.\n\n* The strong thunderstorm will remain over mainly open waters.\n\n## Instructions\nMove to safe harbor until hazardous weather passes. If your vessel is\ncaught offshore, immediately secure for heavy weather. Ensure all\ncrew members are wearing USCG approved Type I life jackets and\nnonessential crew are below decks. Deploy jack lines and harnesses if\navailable. Check life saving equipment, including batteries on\nhandheld radios, for readiness."}