Special Marine Warning Issued for Gulf Waters Near East Cape Sable and Chokoloskee
This alert is no longer in effect.
NOAA issued it on April 4, 2026, 4 months 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).
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NWS Key West has issued a Special Marine Warning until 12:30 AM EDT for Gulf waters due to a strong thunderstorm producing 34-knot wind gusts and small hail.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Gulf of Mexico off East Cape Sable and Chokoloskee
- Issued
- April 4, 2026
- Issuing authority
- NWS Key West
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 4 months ago; use the issuing agency's live warning service for current conditions in Gulf of Mexico off East Cape Sable and Chokoloskee.
Alert Details
The National Weather Service in Key West has issued a Special Marine Warning for the Gulf of Mexico. The alert was issued at 11:59 PM EDT on March 15 and remains in effect until 12:30 AM EDT on March 16, 2026.
Affected Areas
The warning covers the Gulf of America from East Cape Sable to Chokoloskee, specifically the area 20 to 60 nautical miles out and beyond 5 fathoms.
What You Should Do
Mariners and residents in the affected area should prepare for wind gusts in excess of 34 knots and steep, fast-building seas. The National Weather Service advises all individuals on board vessels to stay low or go below deck and ensure that everyone is wearing a life jacket.
Expected Conditions
At 11:58 PM EDT, a strong thunderstorm was located approximately 9 nautical miles northeast of New Ground Rocks Light. The storm is reported to be nearly stationary.
Primary Hazards:
- Wind gusts of 34 knots or greater
- Small hail
- Frequent lightning
- Heavy, blinding downpours
- Suddenly higher waves
The storm is expected to remain primarily over open waters.
Timeline
The warning is effective immediately as of 11:59 PM EDT, Sunday, March 15. The alert is currently scheduled to expire at 12:30 AM EDT on Monday, March 16, 2026.
Original source: NOAA Official Notice ↗
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