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Severe · Special Marine WarningThis alert has expired. It is kept for reference.

Special Marine Warning issued October 1 at 6:19AM EDT until October 1

Affecting Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America including Dry Tortugas and Rebecca Shoal Channel; 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

In effect until: Oct 1, 2026, 11:00 AM

Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America including Dry Tortugas and Rebecca Shoal Channel; 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

Likely impact; effects through 11:00 AM.

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.

Read the original bulletin (official text)
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...
Gulf of America including Dry Tortugas and Rebecca Shoal Channel...
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef...

* Until 700 AM EDT.

* At 619 AM EDT, a strong thunderstorm was located near Ellis Rock
Light, moving northwest at 20 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...
Halfmoon Shoal Light, Marquesas Keys, Ellis Rock Light, and New
Ground Rocks Light.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™