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, 4 km from here.
This alert expired on 10 September 2026 at 23:45 UTC. It is kept here as a record.
It is the 8th strongest of the 12 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 10 at 7:10PM EDT until September 10 at 7:45PM EDT by NWS Key West FL
An estimated 25,755 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 6, 2026 · score 34 · 13.1 km
- March 16, 2026 · score 34 · 14.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 28 out of 100, at 81 % 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) | 28 / 100 |
| Our confidence | 81% |
| Coordinates | 24.9860, -81.9270 |
| Nearest City | Key West (50 km) |
| Population Exposed | 25.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-10T23:10:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.3eca09e3ef852ba6b4df1da0adbd978472dc9d19.001.1 |
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 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; Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms |
| Headline | Special Marine Warning issued September 10 at 7:10PM EDT until September 10 at 7:45PM EDT by NWS Key West FL |
| Expires | 2026-09-10T19:45:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.3eca09e3ef852ba6b4df1da0adbd978472dc9d19.001.1","noaa_urn:oid:2.49.0.1.840.0.24d5b37cb24f0f9cad823fa6d07ef1bdc54e6d4a.001.1"] |
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.
Want to know when something happens in this area?