Special Marine Warning for Straits of Florida near Marathon Humps
If you are in immediate danger, call emergency services now.
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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 the Straits of Florida from Craig Key to west end of Seven Mile Bridge until 9:45 PM EDT.
The weather record, at a glance
- Record type
- Special Marine Warning
- Affected area
- Straits of Florida
- Issued
- September 13, 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 Key West FL. The alert is effective from September 12 at 9:14 PM EDT until September 12 at 9:45 PM EDT.
Affected Areas
Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM and 20 to 60 NM out. Locations in the warning include Marathon Humps.
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 was located near Marathon Humps and was nearly stationary. Hazard includes wind gusts 34 knots or greater. Expect wind gusts in excess of 34 knots, suddenly higher waves, frequent lightning, and heavy downpours.
Timeline
The warning is in effect from 9:14 PM EDT September 12 until 9:45 PM EDT September 12.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (935 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 13, 2026.
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