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NWS Key West FLMA.W 0220August 29, 2026

Special Marine Warning: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 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, which was in force until 7:45 p.m. local time on August 29. It was the 220th special marine warning the NWS office in Key West issued in 2026.

ExpiredWarning

Issued6:41 p.m. EDT, August 29, 2026
In force6:41 p.m. EDT, August 29, 2026
Expired7:45 p.m. EDT, August 29, 2026

In force for 1.1 hours; 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
Level
Warning
Issued
6:41 p.m. EDT, August 29, 2026
Expires
7:45 p.m. EDT, August 29, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KKEY MA.W 0220
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... Gulf Waters from East Cape Sable to Chokoloskee 20 to 60 nm out and beyond 5 fathoms... * Until 745 PM EDT. * At 641 PM EDT, a strong thunderstorm was located near T Tower, 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. * 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.

The record around this notice