This alert expired on 12 June 2026 at 04:45 UTC. It is kept here as a record.
It is the 9th strongest of the 28 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 11 June 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued June 12 at 12:29AM EDT until June 12 at 12:45AM EDT by NWS Upton NY
An estimated 1,856,561 people live within 50 km of this point.
Nearby, since 17 March 2026
- August 10, 2026 · score 52 · 3.3 km
- July 18, 2026 · score 52 · 8.1 km
- August 7, 2026 · score 52 · 8.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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) | 46 / 100 |
| Our confidence | 81% |
| Coordinates | 40.7064, -73.1314 |
| Nearest City | Sayville (6 km) |
| Population Exposed | 1.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T04:29:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.45799e4e8ff7f81e431546d7fdab29e451b23d90.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | South Shore Bays from Jones Inlet through Shinnecock Bay; Fire Island Inlet NY to Moriches Inlet NY out 20 NM; Sandy Hook NJ to Fire Island Inlet NY out 20 NM |
| Headline | Special Marine Warning issued June 12 at 12:29AM EDT until June 12 at 12:45AM EDT by NWS Upton NY |
| Expires | 2026-06-12T00:45:00-04:00 |
| SenderName | NWS Upton NY |
| 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 Sayville?
Calamity.live data shows a weather event with CalamityScore 46/100, near Sayville (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 187 scientific monitoring sources.