Special Marine Warning Issued for Lake Ontario from Niagara River to Hamlin Beach
This alert is no longer in effect.
NOAA issued it on June 1, 2026, 2 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Buffalo has issued a Special Marine Warning for Lake Ontario waters from the Niagara River to Hamlin Beach until 9:00 PM EDT due to a strong thunderstorm.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Lake Ontario, New York
- Issued
- June 1, 2026
- Issuing authority
- NWS Buffalo NY
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Lake Ontario, New York.
Alert Details
A Special Marine Warning (event code MAW) has been issued by the National Weather Service Buffalo NY. The alert is effective from 2026-05-19T19:37:00-04:00 until 2026-05-19T21:00:00-04:00.
Affected Areas
The warning covers Lake Ontario from the Niagara River to Hamlin Beach NY, including areas beyond 5NM off shoreline to the US-Canadian border. Locations impacted include Thirty Mile Point, Niagara River, Olcott, Hamlin Beach, Wilson, Sunset Beach, and Fort Niagara.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 7:36 PM EDT, a strong thunderstorm located 9 nm west of Niagara River was moving east at 45 knots. Hazards include wind gusts to 40 knots and small hail.
Timeline
The alert is in effect from May 19 at 7:37 PM EDT until May 19 at 9:00 PM EDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (838 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 1, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.