This alert expired on 6 July 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 220 recorded within 20 km of this point since 11 March 2026 — 116 others scored the same. The last comparable one was on 5 July 2026. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 5 at 10:21PM EDT until July 5 at 11:45PM EDT by NWS Mount Holly NJ
An estimated 2,881,120 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 17, 2026 · score 52 · 4.5 km
- July 27, 2026 · score 52 · 5.9 km
- July 9, 2026 · score 52 · 8.3 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 52 out of 100, at 90 % 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 | 90% |
| Coordinates | 39.5579, -75.1821 |
| Nearest City | Bridgeton (15 km) |
| Population Exposed | 2.9M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-06T02:21:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.a22a4226e7e826408b725a67bc39efbb |
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; Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Chester River to Queenstown MD; Eastern Bay |
| Headline | Special Marine Warning issued July 5 at 10:21PM EDT until July 5 at 11:45PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-05T23:45:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.a22a4226e7e826408b725a67bc39efbba280daff.001.1","noaa_urn:oid:2.49.0.1.840.0.5e41a640de5cfded30050f4f3c58371e34430045.001.1","noaa_urn:oid:2.49.0.1.840.0.47865e620af770d103fa530ba3ceff472de7bfb5.001.1"] |
| Google News RssFeed | weather |
| Google News SourceName | CBS News |
| MergedSources | [{"id":"gnews_weather_495360_182","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783296484000,"latitude":39.95,"longitude":-75.16},{"id":"gnews_weather_495360_184","source":"google_news","severity":"medium","severityValue":40,"timestamp":1783297080000,"latitude":39.95,"longitude":-75.16}] |
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 Bridgeton (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.