Great Lakes Forecast
Issued by NWS
Issued by NWS
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313 FZUS61 KBUF 210854 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 454 AM EDT Tue May 21 2024 For waters beyond five nautical miles of shore on Lake Ontario Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS...High pressure along the coast will remain fixed along the coast today then drift out to sea tonight. A 29.3 inch low near Lake Superior Wednesday morning will push a cold front across the lake Wednesday night into Thursday. A 30.0 inch high over the Upper Mississippi valley on Thursday will build across the Great Lakes region on Friday. High pressure will continue to nose southwards across the lake on Saturday. LOZ062-211515- Lake Ontario open waters from the Niagara River to Hamlin Beach- 454 AM EDT Tue May 21 2024 .TODAY...East winds 10 knots or less becoming southwest 10 to 15 knots. Waves 2 feet or less. .TONIGHT...West winds 5 to 15 knots becoming south less than 10 knots. Waves 2 feet or less. .WEDNESDAY...South winds 10 knots or less becoming southwest 10 to 15 knots. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 2 to 4 feet. .THURSDAY...Southwest winds 5 to 10 knots. A chance of showers during the day. Waves 1 to 3 feet. .FRIDAY...West winds 5 to 10 knots becoming northeast. Waves 1 to 2 feet. .SATURDAY...East winds 5 to 10 knots becoming southeast. A chance of showers. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-211515- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 454 AM EDT Tue May 21 2024 .TODAY...South winds 5 to 15 knots. Waves 1 foot or less. .TONIGHT...Southwest winds 5 to 15 knots. Waves 2 feet or less. .WEDNESDAY...South winds 10 knots or less. A chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots becoming southwest. A chance of showers during the day. Waves 1 to 3 feet. .FRIDAY...Southwest winds 5 to 15 knots becoming north. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 10 knots becoming southeast. A chance of showers. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-211515- MAFOR 2109/ ONTARIO WEST 1/2 13300 11410 11610 11600 12500. Waves 2 feet or less. ONTARIO EAST 1/2 11400 12300 11400 11410 13500. Waves 1 foot or less. $$ AR