This alert expired on 4 July 2026 at 01:15 UTC. It is kept here as a record.
It is the 5th strongest of the 144 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 10 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 3 at 8:16PM EDT until July 3 at 9:15PM EDT by NWS Upton NY
An estimated 26,480,489 people live within 50 km of this point.
Nearby, since 17 March 2026
- July 6, 2026 · score 52 · 5.6 km
- June 7, 2026 · score 52 · 7.0 km
- August 27, 2026 · score 52 · 10.3 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 | 40.4972, -73.7715 |
| Nearest City | Far Rockaway (13 km) |
| Population Exposed | 26.5M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T00:16:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | South Shore Bays from Jones Inlet through Shinnecock Bay; Moriches Inlet NY to Montauk Point NY out 20 NM; Fire Island Inlet NY to Moriches Inlet NY out 20 NM; Sandy Hook NJ to Fire Island Inlet NY out 20 NM; Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 NM; New York Harbor; Sandy Hook NJ to Fire Island Inlet NY out 20 NM; New York Harbor; Sandy Hook NJ to Fire Island Inlet NY out 20 NM; Waters from Sandy Hook NJ to Fire Island Inlet NY out 20 to 60 NM and 1 more areas |
| Headline | Special Marine Warning issued July 3 at 8:16PM EDT until July 3 at 9:15PM EDT by NWS Upton NY |
| Expires | 2026-07-03T21:15:00-04:00 |
| SenderName | NWS Upton NY |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a23d0b5c1c62d8aa3b18473f32a7b3b39d9c1105.001.1","noaa_urn:oid:2.49.0.1.840.0.7148f9c72f6f7594f5d442bf949222d2bcc09a1f.001.1","noaa_urn:oid:2.49.0.1.840.0.619f318cd64390ab03c8dba45d9c29076084338b.001.1","noaa_urn:oid:2.49.0.1.840.0.b4eb74467aed086ef90ad0860667f6c026ddf8c0.001.1"] |
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 Far Rockaway (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.