Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
13 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert expired on 12 September 2026 at 20:47 UTC. It is kept here as a record.
It is the 28th strongest of the 32 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 12 at 4:37PM EDT until September 12 at 4:45PM EDT by NWS Key West FL
Nearby, since 17 March 2026
- September 2, 2026 · score 28 · 8.9 km
- July 26, 2026 · score 34 · 9.6 km
- August 6, 2026 · score 34 · 10.1 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 16 out of 100, at 66 % 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 | 66% |
| Coordinates | 24.7114, -81.2818 |
| Nearest City | Key West (53 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-12T20:37:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1b06564630c6b92985a7f124c9cd39f681ed32eb.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Bayside and Gulfside from Craig Key to West End of Seven Mile Bridge; Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef; 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 |
| Headline | Special Marine Warning issued September 12 at 4:37PM EDT until September 12 at 4:45PM EDT by NWS Key West FL |
| Expires | 2026-09-12T16:47:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1b06564630c6b92985a7f124c9cd39f681ed32eb.001.1","noaa_urn:oid:2.49.0.1.840.0.649ad90c69b63981a588af4effc4d81182b0254b.001.1"] |
| Iem TypeSummary | W |
| Iem City | 2 WSW Big Torch Key |
| Iem County | GMZ035 |
| Iem State | FL |
| Iem Wfo | KEY |
| Iem Remark | A member of the public reported a likely mature waterspout to the north of Cudjoe Key. The report came in through social media with a photo. The visible portion of the condensation funnel extended fro |
| MergedSources | [{"id":"iem_W_24.720_-81.470_1789239360000","source":"iem","severity":"low","severityValue":25,"timestamp":1789239360000,"latitude":24.72,"longitude":-81.47}] |
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?