This alert expired on 20 June 2026 at 03:00 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 20 June 2026 — 8 others scored the same.
What the source measured
NOAA reported: Special Marine Warning issued June 19 at 10:36PM EDT until June 19 at 11:00PM EDT by NWS Key West FL
Nearby, since 20 June 2026
- June 20, 2026 · score 22 · 6.0 km
- August 13, 2026 · score 22 · 13.2 km
- June 27, 2026 · score 22 · 14.2 km
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 59 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 59% |
| Coordinates | 25.2525, -81.5688 |
| Nearest City | Marco Island (78 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-20T02:36:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.978f18d2cc0466a4f028d04e1db55699cd712a0c.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 |
| Headline | Special Marine Warning issued June 19 at 10:36PM EDT until June 19 at 11:00PM EDT by NWS Key West FL |
| Expires | 2026-06-19T23:00:00-04:00 |
| 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 10 February 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 near Marco Island?
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 188 scientific monitoring sources.