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Great Lakes Forecast
Issued by NWS
Issued by NWS
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648 FZUS61 KBUF 150245 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1045 PM EDT Sun Jul 14 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 weak 29.9 inch surface high will be over the region through Monday night. A 29.7 inch cold frontal boundary over the Upper Great Lakes on Tuesday will push across the lake on Wednesday. A sprawling 30.3 inch high over the northern plains Wednesday evening will build across all of the Great Lakes region late Wednesday night through Friday. LOZ062-150900- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1045 PM EDT Sun Jul 14 2024 .OVERNIGHT...South winds 10 to 15 knots becoming southwest. A chance of showers. Waves 1 to 3 feet. .MONDAY...Southwest winds 10 to 15 knots. A chance of showers and thunderstorms. Waves 1 to 2 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots becoming south. A chance of showers and thunderstorms. Waves 1 to 3 feet. .TUESDAY...Southwest winds increasing to 15 to 20 knots. Showers likely with a chance of thunderstorms. Waves 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming northwest. Showers likely with a chance of evening thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...Northwest winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .THURSDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet. .FRIDAY...Northwest winds 10 knots or less. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-150900- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1045 PM EDT Sun Jul 14 2024 .OVERNIGHT...South winds 5 to 15 knots becoming southwest. A chance of showers. Waves 2 feet or less. .MONDAY...Southwest winds 10 to 15 knots becoming west. A chance of showers and thunderstorms. Waves 1 to 2 feet. .MONDAY NIGHT...Southwest winds 5 to 10 knots becoming south. A chance of showers and thunderstorms. Waves 1 to 2 feet. .TUESDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 15 to 20 knots. A chance of showers and thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...West winds 10 to 15 knots. A chance of showers and thunderstorms. Waves 1 to 3 feet. .THURSDAY...Northwest winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .FRIDAY...Northwest winds 10 knots or less. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-150900- MAFOR 1503/ ONTARIO WEST 1/2 14510 11500 11610 11510 11500. A chance of showers Monday afternoon and Monday evening. Waves 1 to 3 feet. ONTARIO EAST 1/2 11410 13510 11500 11600 11500 11400. A chance of showers overnight, Monday afternoon, and Monday evening. Waves 2 feet or less. $$