Special Marine Warning for Hawk Channel and Straits of Florida

Source: NOAA · Florida Keys

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NWS Key West FL issues Special Marine Warning for strong thunderstorm with wind gusts over 34 knots until 5:15 PM EDT June 3.

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

This notice was issued by NOAA on June 21, 2026 and geographically references Florida Keys. 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.

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Alert Details

Special Marine Warning issued by NWS Key West FL. Effective from 2026-06-03T16:44:00-04:00 until 2026-06-03T17:15:00-04:00.

Affected Areas

Hawk Channel from Ocean Reef to Craig Key out to the reef; Straits of Florida from Ocean Reef to Craig Key out 20 NM. Locations include French Ref, Spiegel Grove, and The Elbow Light.

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 4:44 PM EDT, a strong thunderstorm was located near Spiegel Grove, moving southeast at 25 knots. Hazard includes wind gusts 34 knots or greater. Impact includes wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours.

Timeline

Alert effective immediately on 2026-06-03T16:44:00-04:00 and expires 2026-06-03T17:15:00-04:00.

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?
NWS Key West FL issues Special Marine Warning for strong thunderstorm with wind gusts over 34 knots until 5:15 PM EDT June 3.
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. 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.