Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued September 2 at 5:38PM EDT until September 2
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: Sep 2, 2026, 11:15 PM
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 11:15 PM.
Stay indoors, monitor local alerts, and follow instructions from local officials.
Read the original bulletin (official text)
For the following areas... Lake Ontario from Niagara River to Hamlin Beach... The Lower Niagara River... At 537 PM EDT, a severe thunderstorm capable of producing waterspouts was located 13 nm north of Fort Niagara, or 14 nm north of Niagara River, moving southeast at 35 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and large hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. 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™