Special Marine Warning Issued for Gulf Waters Near Key West

Source: NOAA · Gulf of America near 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This alert is no longer in effect.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 FL issued a Special Marine Warning for Gulf of America waters and Hawk Channel until 9:00 PM EDT due to strong thunderstorms with wind gusts 34 knots or greater.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Gulf of America near Florida Keys
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 near Florida Keys.

Alert Details

Special Marine Warning issued by NWS Key West FL. Effective from 2026-08-05T20:02:00-04:00 until 2026-08-05T21:00:00-04:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.

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; Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef. Locations include Annette Key, Howe Key, Raccoon Key, Snipe Point, Cottrell Key, Smith Shoal Light, and Water Keys.

What You Should Do

Boaters should seek safe harbor as quickly and as safely as possible. When downpours reduce visibility, slow down. Intense and continuous lightning is occurring with this storm. Stay low, or go below. Lower VHF antenna, outriggers, fishing rods, and umbrellas.

Expected Conditions

At 800 PM EDT, a cluster of strong thunderstorms was located between Stock Island and Big Pine Key, moving west at 15 knots. Hazard: Wind gusts 34 knots or greater. Impact: Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours.

Timeline

Alert effective August 5, 2026 at 8:02 PM EDT and ends August 5, 2026 at 9:00 PM EDT.

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 FL issued a Special Marine Warning for Gulf of America waters and Hawk Channel until 9:00 PM EDT due to strong thunderstorms with wind gusts 34 knots or greater.
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 near Florida Keys. 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.