This alert expired on 1 June 2026 at 23:00 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 7 April 2026 — 4 others scored the same. The last comparable one was on 9 April 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 1 at 6:27PM EDT until June 1 at 7:00PM EDT by NWS Key West FL
An estimated 4,502,007 people live within 50 km of this point.
Nearby, since 7 April 2026
- June 4, 2026 · score 46 · 3.5 km
- June 24, 2026 · score 52 · 5.6 km
- July 31, 2026 · score 52 · 10.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 52 out of 100, at 80 % 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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 25.9800, -80.2387 |
| Nearest City | Miramar (1 km) |
| Population Exposed | 4.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-01T22:27:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.5597900ae82b6a56e5218ca61968aa2b |
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; Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM; Sebastian Inlet to Jupiter Inlet 0-20 nm |
| Headline | Special Marine Warning issued June 1 at 6:27PM EDT until June 1 at 7:00PM EDT by NWS Key West FL |
| Expires | 2026-06-01T19:00:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5597900ae82b6a56e5218ca61968aa2b261455f0.001.1","noaa_urn:oid:2.49.0.1.840.0.ae9d88b3a9593f687d990d4d5f078b6ed57ab98c.001.1","noaa_urn:oid:2.49.0.1.840.0.eef13c8c4d8bcded254ee243113f334a983bbccd.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.
Calamity.live data shows a weather event with CalamityScore 52/100, near Miramar (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.