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NWS Key West FLMA.W 0321October 2, 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 and Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef, which was in force until 10:30 a.m. local time on October 2. It was the 321st special marine warning the NWS office in Key West issued in 2026.

ExpiredWarning

Issued9:47 a.m. EDT, October 2, 2026
In force9:47 a.m. EDT, October 2, 2026
Expired10:30 a.m. EDT, October 2, 2026

In force for 43 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 and Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef
Level
Warning
Issued
9:47 a.m. EDT, October 2, 2026
Expires
10:30 a.m. EDT, October 2, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KKEY MA.W 0321
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

For the following areas... 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... Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef... At 947 AM EDT, a strong thunderstorm was located over Smith Shoal Light, moving northwest at 15 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... Gulfside 10 Reef, Smith Shoal Light, Northwest Channel Buoy 1, Snipe Point, Gulfside 5 Reef, and Cottrell Key.

What the agency told people to do

Boaters should seek safe harbor now, and remain there until threatening weather has passed.

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