NWS Key West FLMA.W 0313October 1, 2026
Special Marine Warning: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM and Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out
The National Weather Service office in Key West issued a special marine warning for Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM and Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out, which was in force until 9:00 p.m. local time on October 1. It was the 313th special marine warning the NWS office in Key West issued in 2026.
ExpiredWarning
In force for 28 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Key West FL
- Area
- Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM and Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out
- Level
- Warning
- Issued
- 8:32 p.m. EDT, October 1, 2026
- Expires
- 9:00 p.m. EDT, October 1, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KKEY MA.W 0313
- Official source
- National Weather Service: the notice at its source
NWS notices, October 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
SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Straits of Florida from Halfmoon Shoal to 20 nm west of Dry Tortugas out 60 nm... * Until 900 PM EDT. * At 832 PM EDT, a strong thunderstorm was located 31 nm south of Tortugas Ecological Reserve South, moving northwest at 15 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * The strong thunderstorm will remain over mainly open waters.
What the agency told people to do
Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, frequent lightning, and blinding downpours. Stay low or go below, and make sure all on board are wearing life jackets.
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.