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Great Lakes Forecast
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Issued by NWS
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185 FZUS61 KBUF 011943 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 343 PM EDT Mon Jul 1 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 30.3 inch high will gradually build east across the Great Lakes region through tonight. The high will then cross New England on Tuesday before moving off the East coast Tuesday night and Wednesday. A cold front extending from a 29.4 inch low near Hudson Bay will cross the lake Wednesday night, before stalling out just south of New York State Thursday through Friday. Meanwhile a 30.0 inch high will build across southern Quebec Friday before sliding east into the Canadian Maritimes on Saturday. LOZ062-020315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 343 PM EDT Mon Jul 1 2024 .TONIGHT...West winds 10 knots or less becoming southwest. Waves 1 foot or less. .TUESDAY...Southwest winds 10 knots or less becoming east. Waves 2 feet or less. .TUESDAY NIGHT...East winds 10 to 15 knots becoming south. Waves 1 to 2 feet. .WEDNESDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely with a chance of thunderstorms. Some thunderstorms may produce gusty winds in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots becoming north. Waves 2 feet or less. .FRIDAY...East winds 5 to 10 knots becoming southeast. A chance of showers during the day, then a chance of showers and thunderstorms Friday night. Waves 2 feet or less. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-020315- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 343 PM EDT Mon Jul 1 2024 .TONIGHT...West winds 10 knots or less becoming southwest. Waves 2 feet or less. .TUESDAY...Southwest winds 10 knots or less becoming northeast. Waves 1 foot or less. .TUESDAY NIGHT...East winds 5 to 15 knots becoming south 15 to 20 knots. Waves 2 feet or less. .WEDNESDAY...South winds 15 to 20 knots. Showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. Waves 2 feet or less building to 2 to 4 feet. .WEDNESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 5 to 15 knots. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...Southwest winds 10 knots or less becoming northwest. Waves 2 feet or less. .FRIDAY...Northeast winds 5 to 10 knots becoming southeast. A chance of showers and thunderstorms Friday night. Waves 1 foot or less. .SATURDAY...South winds 10 to 15 knots becoming southwest. A chance of showers and thunderstorms. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-020315- MAFOR 0121/ ONTARIO WEST 1/2 14600 11500 11400 12200. Waves 2 feet or less. ONTARIO EAST 1/2 13600 11500 13400 11100. Waves 2 feet or less. $$