Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 7 at 9:54PM EDT until October 7
Affecting Lower Niagara River; Niagara River to Hamlin Beach NY; Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border
In effect until: Oct 8, 2026, 2:45 AM
Lower Niagara River; Niagara River to Hamlin Beach NY; Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border
Likely impact; effects through 2:45 AM.
Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.
Read the original bulletin (official text)
For the following areas... Lake Ontario from the Niagara River to Hamlin Beach. The Lower Niagara River... At 953 PM EDT, a severe thunderstorm was located 8 nm west of Sunset Beach, or 29 nm east of Niagara River, moving east at 40 knots. HAZARD...Wind gusts to 40 knots and large hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Large hail could result in structural damage. Locations impacted include... Thirty Mile Point, Youngstown, Lewiston, Olcott, Wilson, Sunset Beach, and Fort Niagara.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™