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NWS Key West FLMA.W 0312October 1, 2026

Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms and Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fatho

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 and Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms, which was in force until 4:45 p.m. local time on October 1. It was the 312th special marine warning the NWS office in Key West issued in 2026.

ExpiredWarning

Issued3:53 p.m. EDT, October 1, 2026
In force3:53 p.m. EDT, October 1, 2026
Expired4:45 p.m. EDT, October 1, 2026

In force for 52 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 and Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms
Level
Warning
Issued
3:53 p.m. EDT, October 1, 2026
Expires
4:45 p.m. EDT, October 1, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KKEY MA.W 0312
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... 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 445 PM EDT. * At 353 PM EDT, a strong thunderstorm was located near Snipe Point, moving northwest at 10 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. * Locations in the warning include... Smith Shoal Light and Snipe Point.

What the agency told people to do

Prepare for wind gusts in excess of 34 knots, steep and fast-building seas, and blinding downpours. 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.

The record around this notice