Severe Severe Storm ● Closed

Special Marine Warning — Niagara River to Hamlin Beach NY; Hamlin Beach to Sodus Bay NY; Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border; Hamlin Beach to Sodus Bay NY beyond 5NM off shoreline to US-Canadian border

Event time: Aug 3, 2026 00:01 UTC Last updated: Sep 6, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Special Marine Warning issued August 2 at 8:01PM EDT until August 2 at 8:45PM EDT by NWS Buffalo NY

Measurements

Coordinates	43.4429, -77.9229
Region	Niagara River to Hamlin Beach NY; Hamlin Beach to Sodus Bay NY; Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border; Hamlin Bea
Expires	2026-08-02T20:45:00-04:00
Nws Urgency	Immediate
Nws Certainty	Likely

Official source

Weather alert data courtesy of NOAA / National Weather Service

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by US National Weather Service.

View original report

This event as JSON · API and licence

Source updated 90 days ago (Aug 3, 2026 00:36 UTC) · we last heard from US National Weather Service 32 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

Nearby & related events

Active Fire Zone — 25 satellite detections (24h) Moderate Wildfire active via FIRMS 1 day ago yellow advisory - fog - in effect — City of Toronto, Canada Moderate Extreme Weather Canada monitoring via WMO 2 days ago yellow advisory - fog - in effect — City of Toronto, Canada Moderate Extreme Weather Canada monitoring via WMO 2 days ago yellow advisory - fog - in effect — Newmarket - Georgina - Northern York Region, Canada Moderate Extreme Weather Canada monitoring via WMO 2 days ago yellow advisory - fog - in effect — Newmarket - Georgina - Northern York Region, Canada Moderate Extreme Weather Canada monitoring via WMO 2 days ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.