This alert expired on 17 May 2026 at 19:15 UTC. It is kept here as a record.
It is the 11th strongest of the 31 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued May 17 at 2:43PM EDT until May 17 at 3:15PM EDT by NWS Miami FL
An estimated 450,052 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 15, 2026 · score 43 · 6.0 km
- August 5, 2026 · score 37 · 6.2 km
- August 9, 2026 · score 43 · 7.4 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 81% |
| Coordinates | 26.2040, -81.8840 |
| Nearest City | Naples (11 km) |
| Population Exposed | 450.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-17T18:43:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4110d2519ec2dad6747501b68e46f218eb725b32.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM |
| Headline | Special Marine Warning issued May 17 at 2:43PM EDT until May 17 at 3:15PM EDT by NWS Miami FL |
| Expires | 2026-05-17T15:15:00-04:00 |
| SenderName | NWS Miami 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 Naples?
Calamity.live data shows a weather event with CalamityScore 43/100, near Naples (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.