Special Marine Warning for Gulf Waters off Southwest Florida

Source: NOAA · Gulf of America

If you are in immediate danger, call emergency services now.

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NWS Key West has issued a Special Marine Warning for waters from East Cape Sable to Chokoloskee 20 to 60 NM out until 2:15 AM EDT due to a strong thunderstorm with possible waterspouts.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Gulf of America
Issued
August 27, 2026
Issuing authority
NWS Key West FL

Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

A Special Marine Warning has been issued by the National Weather Service in Key West FL. The alert is effective from August 27, 2026 at 1:39 AM EDT until August 27, 2026 at 2:15 AM EDT.

Affected Areas

Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms. Locations in the warning include P Tower.

What You Should 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.

Expected Conditions

A strong thunderstorm with possible waterspouts was located over P Tower, moving west at 15 knots. Hazards include waterspouts and wind gusts 34 knots or greater.

Timeline

The warning is in effect from 1:39 AM EDT to 2:15 AM EDT on August 27, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Key West has issued a Special Marine Warning for waters from East Cape Sable to Chokoloskee 20 to 60 NM out until 2:15 AM EDT due to a strong thunderstorm with possible waterspouts.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Gulf of America. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.