NWS Jacksonville FLMA.W 0222August 28, 2026
Special Marine Warning: Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM and Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM
The National Weather Service office in Jacksonville issued a special marine warning for Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM and Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM, which was in force until 4:45 p.m. local time on August 28. It was the 222nd special marine warning the NWS office in Jacksonville issued in 2026.
ExpiredWarning
In force for 44 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Jacksonville FL
- Area
- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM and Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM
- Level
- Warning
- Issued
- 4:01 p.m. EDT, August 28, 2026
- Expires
- 4:45 p.m. EDT, August 28, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KJAX MA.W 0222
- Official source
- National Weather Service: the notice at its source
NWS notices, August 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... * Until 445 PM EDT. * At 401 PM EDT, a severe thunderstorm capable of producing waterspouts was located 11 nm south of Jekyll Island, or 17 nm south of St. Simons Island, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... High Point, Buoy F, Buoy Cdh, Jekyll Island, St Simons Island Village, Saint Andrews Sound, Buoy Kby, Dungeness, Saint Marys Entrance Buoy 16, St Simons Sound Buoy 9, Cumberland Island, Whittakers Snapper Hole Reef, and St. Simons Island.
What the agency told people to do
Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.