Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
One other detection within 20 km in the last 24 hours, <1 km from here.
This alert expired on 10 September 2026 at 12:15 UTC. It is kept here as a record.
It is the 8th strongest of the 11 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 6 August 2026.
What the source measured
NOAA reported: Special Marine Warning issued September 10 at 7:48AM EDT until September 10 at 8:15AM EDT by NWS Key West FL
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 60% |
| Coordinates | 24.5780, -82.4760 |
| Nearest City | Key West (70 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-10T11:48:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.21c17bacf5be1e180a0790451cada10cd40bfb98.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms; Gulf of America including Dry Tortugas and Rebecca Shoal Channel; Gulf of America from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms; Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM |
| Headline | Special Marine Warning issued September 10 at 7:48AM EDT until September 10 at 8:15AM EDT by NWS Key West FL |
| Expires | 2026-09-10T08:15:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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