This alert expired on 5 July 2026 at 02:34 UTC. It is kept here as a record.
No stronger detection stands among the 10 recorded within 20 km of this point since 17 March 2026 — 5 others scored the same. The last comparable one was on 4 July 2026. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 4 at 10:24PM EDT until July 4 at 10:30PM EDT by NWS Mount Holly NJ
An estimated 219,665 people live within 50 km of this point.
Nearby, since 17 March 2026
- August 28, 2026 · score 43 · 12.2 km
- July 4, 2026 · score 43 · 14.4 km
- July 4, 2026 · score 43 · 14.7 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 80% |
| Coordinates | 39.9341, -73.6333 |
| Nearest City | Point Pleasant (41 km) |
| Population Exposed | 219.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T02:24:00.000Z |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Delaware Bay waters north of East Point NJ to Slaughter Beach DE; Delaware Bay waters south of East Point NJ to Slaughter Beach DE; Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 NM; Coastal waters from Great Egg Inlet to Cape May NJ out 20 NM; Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM; Waters from Great Egg Inlet NJ to Cape May NJ from 20 to 60 NM; Delaware Bay waters south of East Point NJ to Slaughter Beach DE; Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM; Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM; Waters from Great Egg Inlet NJ to Cape May NJ from 20 to 60 NM; Waters from Cape May NJ to Fenwick Island DE from 20 to 60 NM; Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 NM and 3 more areas |
| Headline | Special Marine Warning issued July 4 at 10:24PM EDT until July 4 at 10:30PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-04T22:34:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.67ac70c430248f25c497c4b32b406ee213f8a8bf.001.1","noaa_urn:oid:2.49.0.1.840.0.677002be3b02dd9169335746272742547fd7ef17.001.1","noaa_urn:oid:2.49.0.1.840.0.806fb9267b2ab4aab02a53e95333f00e1e5b14bc.001.1","noaa_urn:oid:2.49.0.1.840.0.5d23d6ebb0fbe0321c12185e941115b8d9361a8d.001.1","noaa_urn:oid:2.49.0.1.840.0.012f816037da687b4c7191e3978a5c1d569924ad.002.1","noaa_urn:oid:2.49.0.1.840.0.62b2fa4bef2031c84f3ea4d5b3be76a9bed39a70.001.1"] |
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 43/100, near Point Pleasant (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 191 scientific monitoring sources.