Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is in it.
6 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 11 September 2026 at 03:20 UTC. It is kept here as a record.
It is the 10th strongest of the 16 detections recorded within 20 km of this point since 19 May 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 10 at 11:10PM EDT until September 10 at 11:15PM EDT by NWS Key West FL
Nearby, since 19 May 2026
- June 28, 2026 · score 22 · 2.3 km
- August 29, 2026 · score 22 · 3.3 km
- June 27, 2026 · score 22 · 13.9 km
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 62 % 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 | 62% |
| Coordinates | 24.6900, -79.7820 |
| Nearest City | Leisure City (111 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-11T03:10:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.af62323dade42d49f7a689e2bb6ee30e6054801e.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out |
| Headline | Special Marine Warning issued September 10 at 11:10PM EDT until September 10 at 11:15PM EDT by NWS Key West FL |
| Expires | 2026-09-10T23:20:00-04:00 |
| 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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