Great Lakes Forecast
Issued by NWS
Issued by NWS
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592 FZUS61 KBUF 220229 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1029 PM 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 will drift eastward off the New England coast overnight. 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. A 29.5 inch low near Lake Superior Saturday will weaken as it tracks into Southern Quebec on Sunday. LOZ062-220915- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1029 PM EDT Tue May 21 2024 .OVERNIGHT...Southwest winds 10 knots or less becoming south. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 15 knots becoming southwest. Showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds in the afternoon. Waves 1 foot or less building to 1 to 3 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots becoming west. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots becoming southwest. A chance of showers in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. .FRIDAY...Southwest winds 10 knots or less becoming northeast. Waves 1 foot or less. .SATURDAY...East winds 10 knots or less becoming southwest. A chance of showers and thunderstorms. Waves 1 foot or less. .SUNDAY...Southwest winds 10 knots or less becoming east. A chance of showers Sunday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-220915- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1029 PM EDT Tue May 21 2024 .OVERNIGHT...South winds 5 to 10 knots. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms early in the afternoon. Showers and thunderstorms late. Some thunderstorms may produce gusty winds late. Waves 1 foot or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Showers and thunderstorms in the evening, then a chance of showers and thunderstorms overnight. Some thunderstorms may produce gusty winds in the evening. Waves 2 feet or less. .THURSDAY...West winds 5 to 10 knots becoming southwest. A chance of showers in the morning. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less. .FRIDAY...Southwest winds 5 to 10 knots becoming northeast. Waves 2 feet or less. .SATURDAY...East winds 10 knots or less becoming southwest. A chance of showers and thunderstorms. Waves 1 foot or less. .SUNDAY...Southwest winds 5 to 10 knots becoming southeast. A chance of showers Sunday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-220915- MAFOR 2203/ ONTARIO WEST 1/2 11500 11400 11300 11400 11510 12519 11510. Waves 1 foot or less overnight. Waves 1 foot or less building to 1 to 3 feet Wednesday and Wednesday evening. ONTARIO EAST 1/2 14400 11400 11409 11509 11400. Waves 2 feet or less. $$