Great Lakes Forecast
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Issued by NWS
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868 FZUS61 KBUF 251411 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1011 AM EDT Sat May 25 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...A warm front over Lake Erie will slowly work northeastward across Lake Ontario this afternoon and will immediately be followed by a cold front late this afternoon and evening. A 29.9 inch high will build in late tonight and remain over the lake through Sunday. A 29.3 inch low will then track from Lake Michigan to central Quebec Sunday night through Tuesday, with its warm front crossing the lake Monday, and its trailing cold front then following suit Monday night. This low will then weaken to 29.6 inches as it will remain over Quebec Tuesday and Tuesday night. LOZ062-251530- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1011 AM EDT Sat May 25 2024 .TODAY...East winds 5 to 15 knots. A chance of showers late this morning, then showers likely with a chance of thunderstorms this afternoon. Waves 2 to 3 feet. .TONIGHT...Northeast winds 10 knots or less becoming northwest. A chance of showers early. Waves 2 feet or less. .SUNDAY...Northwest winds 10 knots or less becoming east. Waves 1 foot or less. .SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast. Showers likely with a chance of thunderstorms overnight. Waves 1 to 3 feet. .MONDAY...Southeast winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers and thunderstorms. Waves 3 to 5 feet subsiding to 2 to 4 feet. .WEDNESDAY...Northwest winds 10 to 15 knots. A chance of showers. Waves 2 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-251530- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1011 AM EDT Sat May 25 2024 .TODAY...East winds 5 to 15 knots. A chance of showers late this morning, then showers likely with a chance of thunderstorms this afternoon. Waves 2 feet or less. .TONIGHT...Northeast winds 10 knots or less becoming northwest. Showers likely with a chance of thunderstorms early, then a chance of showers. Waves 1 foot or less. .SUNDAY...Northwest winds 10 knots or less becoming north. Waves 1 foot or less. .SUNDAY NIGHT...Northeast winds 5 to 15 knots becoming southeast. A chance of showers and thunderstorms overnight. Waves 1 to 3 feet. .MONDAY...Southeast winds 15 to 20 knots becoming south. Showers likely with a chance of thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. .WEDNESDAY...West winds 10 to 15 knots becoming northwest. A chance of showers. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-251530- MAFOR 2509/ ONTARIO WEST 1/2 13210 11206 11200 11100 12700. A chance of thunderstorms this afternoon. Waves 1 to 3 feet today. Waves 2 feet or less tonight. ONTARIO EAST 1/2 11200 12210 11206 11200 11700 11600 11700. A chance of thunderstorms this afternoon. Waves 2 feet or less. $$ AR