Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
4 other detections within 20 km in the last 24 hours, the nearest 2 km from here.
This alert expired on 1 August 2026 at 22:19 UTC. It is kept here as a record.
No stronger detection stands among the 27 recorded within 20 km of this point since 7 April 2026 — 15 others scored the same. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued August 1 at 6:09PM EDT until August 1 at 6:15PM EDT by NWS Miami FL
An estimated 3,628,990 people live within 50 km of this point.
Nearby, since 7 April 2026
- September 7, 2026 · score 46 · 3.8 km
- July 6, 2026 · score 52 · 6.3 km
- April 7, 2026 · score 52 · 6.4 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.
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) | 52 / 100 |
| Our confidence | 80% |
| Coordinates | 25.6956, -80.0789 |
| Nearest City | Miami Beach (12 km) |
| Population Exposed | 3.6M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-01T22:09:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.30ef828218dc94d3800cae0483c129f9e11650b6.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Biscayne Bay; Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM; Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM excluding the territorial waters of Bahamas |
| Headline | Special Marine Warning issued August 1 at 6:09PM EDT until August 1 at 6:15PM EDT by NWS Miami FL |
| Expires | 2026-08-01T18:19:00-04:00 |
| 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 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 near Miami Beach?
Calamity.live data shows a weather event with CalamityScore 52/100, near Miami Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.