NWS Key West FLMA.W 0221August 29, 2026
Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms, Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms,
The National Weather Service office in Key West issued a special marine warning for Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms, Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms, Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef and 1 more, which was in force until 8:15 p.m. local time on August 29. It was the 221st special marine warning the NWS office in Key West issued in 2026.
ExpiredWarning
In force for 58 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
- Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms, Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms, Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef and 1 more
- Level
- Warning
- Issued
- 7:17 p.m. EDT, August 29, 2026
- Expires
- 8:15 p.m. EDT, August 29, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KKEY MA.W 0221
- 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
SMWKEY The National Weather Service in Key West has issued a * Special Marine Warning for... Hawk Channel and Straits of Florida from west end of Seven Mile Bridge to Halfmoon Shoal out 20 nm... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... Gulf of America from west end of Seven Mile Bridge to Halfmoon Shoal out to 5 fathoms... * Until 815 PM EDT. * At 717 PM EDT, a strong thunderstorm was located over Boca Grande, moving west at 10 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...National Weather Service Meteorologist. IMPACT...Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. * Locations in the warning include... Cosgrove Shoal Light, Boca Grande, and Marquesas Keys.
What the agency told people to do
Boaters should seek safe harbor as quickly, and as safely as possible. When downpours reduce visibility, slow down.
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.