Right now
The most recent data we hold from NOAA arrived 25 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 5 July 2026 at 03:15 UTC. It is kept here as a record.
It is the 4th strongest of the 88 detections recorded within 20 km of this point since 17 March 2026. The last comparable one was on 4 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 4 at 9:38PM EDT until July 4 at 11:15PM EDT by NWS Mount Holly NJ
Urban PEI: 223,327 within a heuristic 50 km radius; not unique people.
Nearby, since 17 March 2026
- July 18, 2026 · score 43 · 5.1 km
- August 8, 2026 · score 37 · 6.2 km
- August 28, 2026 · score 43 · 8.9 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.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 39.4180, -74.5066 |
| Nearest City | Pleasantville (3 km) |
| Urban exposure index (PEI) | 223.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T01:38:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.5d23d6ebb0fbe0321c12185e941115b8 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-05T01:38:00.000Z.
First archived: 2026-07-05T02:05:27.432Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
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; 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; 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; Waters from Little Egg Inlet NJ to Great Egg Inlet NJ from 20 to 60 NM; Long Island Sound East of the Mouth of the Connecticut River; Peconic and Gardiners Bays; South Shore Bays from Jones Inlet through Shinnecock Bay; Moriches Inlet NY to Montauk Point NY out 20 NM; Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 NM; Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 NM; Rhode Island Sound; Block Island Sound; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island; Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM and 4 more areas |
| Headline | Special Marine Warning issued July 4 at 9:38PM EDT until July 4 at 11:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-04T23:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 7 |
| MergedIds | ["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","noaa_urn:oid:2.49.0.1.840.0.17eb69071a202476c703ab0047bec666159170fb.001.1","noaa_urn:oid:2.49.0.1.840.0.da80f15d2327c9d218c3a8680ba664538676b61e.001.1","noaa_urn:oid:2.49.0.1.840.0.217b7c49e8e617af492801327129f876c7c313de.001.1","noaa_urn:oid:2.49.0.1.840.0.b869cca9a9ec1e26000a8d3f11e0718120565327.001.1"] |
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 8 March 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.
Review the area, threshold and delivery channel in your account.
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