This alert expired on 10 July 2026 at 19:30 UTC. It is kept here as a record.
It is the 4th strongest of the 12 detections recorded within 20 km of this point since 23 May 2026. The last comparable one was on 2 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 10 at 2:55PM EDT until July 10 at 3:30PM EDT by NWS Key West FL
An estimated 17,690 people live within 50 km of this point.
Nearby, since 23 May 2026
- August 13, 2026 · score 34 · 1.1 km
- June 12, 2026 · score 34 · 4.1 km
- July 15, 2026 · score 39 · 7.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % 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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 25.8382, -81.3441 |
| Nearest City | Marco Island (39 km) |
| Population Exposed | 17.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-10T18:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.10e258dcfd6d45a2725c880d42a26c28 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | 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; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM; Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM; Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM; Lake Okeechobee |
| Headline | Special Marine Warning issued July 10 at 2:55PM EDT until July 10 at 3:30PM EDT by NWS Key West FL |
| Expires | 2026-07-10T15:30:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.10e258dcfd6d45a2725c880d42a26c28bbb463ef.001.1","noaa_urn:oid:2.49.0.1.840.0.dc23afcfa1de74412cc6b8b336b9443c823422ce.001.1","noaa_urn:oid:2.49.0.1.840.0.30602791b23bba79bf67d031da5ce8837a8a95c3.001.1"] |
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 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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.