This alert expired on 7 June 2026 at 01:00 UTC. It is kept here as a record.
It is the 29th strongest of the 161 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 20 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued June 6 at 7:05PM EDT until June 6 at 9:00PM EDT by NWS Mount Holly NJ
An estimated 909,323 people live within 50 km of this point.
Nearby, since 11 March 2026
- June 15, 2026 · score 48 · 3.0 km
- June 18, 2026 · score 48 · 4.6 km
- July 21, 2026 · score 48 · 4.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 48 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) | 48 / 100 |
| Our confidence | 80% |
| Coordinates | 39.5645, -75.4832 |
| Nearest City | Bear (17 km) |
| Population Exposed | 909.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T23:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.18043b377fe3c2e6779eec2ed977ed32 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM; Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 NM; Waters from Sandy Hook NJ to Manasquan Inlet NJ from 20 to 40 NM; Waters from Manasquan Inlet NJ to Little Egg Inlet NJ from 20 to 60 NM; Delaware Bay waters north of East Point NJ to Slaughter Beach DE; New York Harbor; South Shore Bays from Jones Inlet through Shinnecock Bay; 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 3 more areas |
| Headline | Special Marine Warning issued June 6 at 7:05PM EDT until June 6 at 9:00PM EDT by NWS Mount Holly NJ |
| Expires | 2026-06-06T21:00:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.18043b377fe3c2e6779eec2ed977ed3274db993c.001.1","noaa_urn:oid:2.49.0.1.840.0.280948d2d84573647ded6bbe14cc56284fb32146.001.1","noaa_urn:oid:2.49.0.1.840.0.c737308b6edef3ac4730a5d9c7345232a86f25d2.001.1","noaa_urn:oid:2.49.0.1.840.0.c0ada5a5ce12fcc4be694926b02653e57aa1d5cb.001.1","noaa_urn:oid:2.49.0.1.840.0.208c2a3f3a1263b0c0567f22e0363026181b0114.001.1","noaa_urn:oid:2.49.0.1.840.0.7a2cea31d0d0a8a54d265542a92e961456496a34.001.1"] |
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 48/100, near Bear (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.