Severe weather near Sunny Isles Beach
This alert expired on 21 June 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 29 recorded within 20 km of this point since 7 April 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 20 at 7:23PM EDT until June 20 at 8:15PM EDT by NWS Miami FL
An estimated 4,502,007 people live within 50 km of this point.
Nearby, since 7 April 2026
- July 25, 2026 · score 46 · 3.3 km
- July 31, 2026 · score 52 · 7.0 km
- June 4, 2026 · score 46 · 11.5 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 79 % 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 | 79% |
| Coordinates | 25.9201, -80.1268 |
| Nearest City | Sunny Isles Beach (3 km) |
| Population Exposed | 4.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-20T23:23:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.e6e392a7e24b582916abb5126d013a1b |
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 |
| Headline | Special Marine Warning issued June 20 at 7:23PM EDT until June 20 at 8:15PM EDT by NWS Miami FL |
| Expires | 2026-06-20T20:15:00-04:00 |
| SenderName | NWS Miami FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.e6e392a7e24b582916abb5126d013a1b4c07cf96.001.1","noaa_urn:oid:2.49.0.1.840.0.f3f060fc0ae284af6f926f9a44221d085f8689fc.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 Sunny Isles Beach (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.