This alert expired on 10 June 2026 at 13:06 UTC. It is kept here as a record.
It is the 3rd strongest of the 17 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 June 10 at 8:56AM EDT until June 10 at 9:00AM 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 22 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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 62% |
| Coordinates | 24.9833, -80.5083 |
| Nearest City | Homestead (54 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-10T12:56:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fc2f8b64225a8a245587182bbc088cf0dc070a8a.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound; Hawk Channel from Ocean Reef to Craig Key out to the reef; Straits of Florida from Ocean Reef to Craig Key out 20 NM |
| Headline | Special Marine Warning issued June 10 at 8:56AM EDT until June 10 at 9:00AM EDT by NWS Key West FL |
| Expires | 2026-06-10T09:06:00-04:00 |
| 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.
Want to know when something happens in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.