Special Marine Warning Issued for Florida Bay and Surrounding Waters

Source: NOAA · Florida Keys and Surrounding Waters

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A Special Marine Warning has been issued by NWS Key West FL for areas including Florida Bay and Hawk Channel, with strong thunderstorms bringing wind gusts up to 34 knots and small hail, effective until 3:30 AM EDT on May 5, 2026.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on May 14, 2026 and geographically references Florida Keys and Surrounding Waters. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Special Marine Warning, Florida) map to related alerts in the same area of risk - browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Special Marine Warning in Florida Waters

Alert Details

This Special Marine Warning was issued by the National Weather Service (NWS) Key West FL. It is effective from 2:33 AM EDT on May 5, 2026.

Affected Areas

The warning affects Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Hawk Channel from Ocean Reef to Craig Key out to the reef; Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef; Straits of Florida from Ocean Reef to Craig Key out 20 NM. Specific locations include Whale Harbor, Islamorada Hump, Twin Keys, Steam Boat Channel, Cotton Key, Alligator Reef Light, and Hens & Chickens Light.

What You Should Do

Boaters should seek safe harbor as quickly and as safely as possible. When downpours reduce visibility, slow down.

Expected Conditions

Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours. A strong thunderstorm is moving east at 15 knots.

Timeline

The alert is effective from 2:33 AM EDT on May 5, 2026, and expires at 3:30 AM EDT on the same day.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Special Marine Warning has been issued by NWS Key West FL for areas including Florida Bay and Hawk Channel, with strong thunderstorms bringing wind gusts up to 34 knots and small hail, effective until 3:30 AM EDT on May 5, 2026.
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 Florida Keys and Surrounding Waters. 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.