Right now
The most recent data we hold from NOAA arrived 5 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 13 May 2026 at 21:00 UTC. It is kept here as a record.
It is one of only 4 we have recorded within 20 km of this point since 13 May 2026.
What the source measured
NOAA reported: Special Marine Warning issued May 13 at 3:27PM EDT until May 13 at 5:00PM EDT by NWS Buffalo NY
An estimated 17,787 people live within 50 km of this point.
Nearby, since 13 May 2026
- July 18, 2026 · score 43 · 25.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 43.6064, -76.8793 |
| Nearest City | Oswego (34 km) |
| Population Exposed | 17.8K within 50 km |
| Impact Tier | significant |
| Date | 2026-05-13 — time not reported by the source |
| Source | https://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.d06e4cbadf02644496a1fadc4f287bf8 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Hamlin Beach to Sodus Bay NY; Sodus Bay to Mexico Bay NY; Mexico Bay NY to the St. Lawrence River; Hamlin Beach to Sodus Bay NY beyond 5NM off shoreline to US-Canadian border; Sodus Bay to Mexico Bay NY beyond 5NM off shoreline to US-Canadian border; Mexico Bay NY to the St. Lawrence River beyond 5NM off shoreline to US-Canadian border; Hamlin Beach to Sodus Bay NY; Hamlin Beach to Sodus Bay NY beyond 5NM off shoreline to US-Canadian border |
| Headline | Special Marine Warning issued May 13 at 3:27PM EDT until May 13 at 5:00PM EDT by NWS Buffalo NY |
| Expires | 2026-05-13T17:00:00-04:00 |
| SenderName | NWS Buffalo NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d06e4cbadf02644496a1fadc4f287bf836fbf3aa.001.1","noaa_urn:oid:2.49.0.1.840.0.d6837ee6386d15c9f437990c329dee1365c07e08.001.1"] |
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.
Want to know when something happens in this area?