Special Marine Warning for Straits of Florida from Ocean Reef to Craig Key
This alert is no longer in effect.
NOAA issued it on September 11, 2026, 10 days 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.
A Special Marine Warning is in effect for the Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out until 10:45 PM EDT due to a strong thunderstorm.
This weather record, quickly
- Record type
- Special Marine Warning
- Affected area
- Straits of Florida
- Issued
- September 11, 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 10 days ago; use the issuing agency's live warning service for current conditions in Straits of Florida.
Alert Details
Special Marine Warning issued by NWS Key West FL. Effective from 2026-09-10T22:21:00-04:00 until 2026-09-10T22:45:00-04:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out.
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 1021 PM EDT, a strong thunderstorm was located 25 nm east of Floyd's Wall Northeast, moving west at 5 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. The strong thunderstorm will remain over mainly open waters.
Timeline
Alert effective 2026-09-10T22:21:00-04:00 and ends 2026-09-10T22:45:00-04:00.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Comparable nationwide notices (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.
Similar body length
Nearest notices by article body length (940 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 11, 2026.
Questions & Answers
Common questions about this NWS weather alert.