Right now
The most recent data we hold from NOAA arrived 6 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 22 July 2026 at 01:15 UTC. It is kept here as a record.
No stronger detection stands among the 5 recorded within 20 km of this point since 5 July 2026 — 3 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued July 21 at 9:05PM EDT until July 21 at 9:15PM EDT by NWS Mount Holly NJ
Nearby, since 5 July 2026
- July 5, 2026 · score 22 · 15.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.60/1 |
| Coordinates | 39.8294, -72.6470 |
| Nearest City | Sayville (108 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-07-22T01:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.f7c91527fee339278ee5dd6a9deec2cd |
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: 2026-07-22T01:05:00.000Z.
First archived: 2026-07-22T01:14:14.468Z. 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 | Waters from Manasquan Inlet NJ to Little Egg Inlet NJ from 20 to 60 NM; Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 NM; Waters from Sandy Hook NJ to Fire Island Inlet NY out 20 to 60 NM; Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 NM |
| Headline | Special Marine Warning issued July 21 at 9:05PM EDT until July 21 at 9:15PM EDT by NWS Mount Holly NJ |
| Expires | 2026-07-21T21:15:00-04:00 |
| SenderName | NWS Mount Holly NJ |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.f7c91527fee339278ee5dd6a9deec2cd2cf4830e.001.1","noaa_urn:oid:2.49.0.1.840.0.cfa7f1bd59179873d189783aab4117647ba0d0c5.001.1","noaa_urn:oid:2.49.0.1.840.0.38e15c8804cacf03df10d602d7d16f0a77fb1025.001.1"] |
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.
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