Special Marine Warning for Gulf Waters off Florida Keys
This alert is no longer in effect.
NOAA issued it on August 6, 2026, 2 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Key West has issued a Special Marine Warning for Gulf of America waters until 11:45 AM EDT due to a strong thunderstorm producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Gulf of America off Florida
- Issued
- August 6, 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: historical. It was issued 2 weeks ago; use the issuing agency's live warning service for current conditions in Gulf of America off Florida.
Alert Details
Special Marine Warning issued by NWS Key West FL. Effective from 11:18 AM EDT to 11:45 AM EDT on August 6, 2026.
Affected Areas
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. Locations include Smith Shoal Light and Northwest Channel Buoy 1.
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
At 11:17 AM EDT, a strong thunderstorm was located over Smith Shoal Light, moving northwest at 20 knots. Hazard includes wind gusts 34 knots or greater. Impacts include wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours.
Timeline
Alert effective August 6 at 11:18 AM EDT until August 6 at 11:45 AM EDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →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.
Similar body length
Nearest notices by article body length (986 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 6, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.