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Great Lakes Forecast
Issued by NWS
Issued by NWS
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643 FZUS61 KBUF 032010 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 410 PM EDT Wed Jul 3 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 cold front extending from a 29.4 inch low near Hudson Bay will cross the lake early tonight before stalling out just south of New York State Thursday through Friday. A 29.8 inch low and cold front extending southward from it will then cross the lake Saturday. High pressure of 30.0 inches centered over the Mid-Atlantic will extend northward over the lake Sunday. LOZ062-040315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 410 PM EDT Wed Jul 3 2024 .TONIGHT...Southwest winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of showers and thunderstorms this evening. Waves 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots. Waves 1 foot or less. .THURSDAY NIGHT...West winds 10 knots or less becoming northwest. Waves 1 foot or less. .FRIDAY...Northeast winds 10 knots or less becoming east 10 to 15 knots. A chance of showers in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...East winds 10 to 15 knots becoming south. Showers likely with a chance of thunderstorms. Waves 1 to 2 feet. .SATURDAY...Southwest winds 10 to 15 knots becoming west. A chance of showers during the day. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to 3 feet. .MONDAY...South winds 5 to 15 knots. A chance of showers Monday night. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ063-040315- Lake Ontario open waters from Hamlin Beach to Sodus Bay- 410 PM EDT Wed Jul 3 2024 .TONIGHT...Southwest winds 5 to 15 knots becoming west. Showers likely with a chance of thunderstorms through the early overnight. Waves 1 to 2 feet. .THURSDAY...West winds less than 10 knots. Waves 1 foot or less. .THURSDAY NIGHT...West winds less than 10 knots becoming northwest. Waves 1 foot or less. .FRIDAY...North winds 10 knots or less becoming east 10 to 15 knots. A chance of showers in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...East winds 5 to 10 knots becoming south. Showers likely with a chance of thunderstorms. Waves 1 to 2 feet. .SATURDAY...Southwest winds 10 to 15 knots becoming west. A chance of showers during the day. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to 3 feet subsiding to 1 foot or less. .MONDAY...South winds 5 to 10 knots. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ064-065-040315- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 410 PM EDT Wed Jul 3 2024 .TONIGHT...South winds 15 to 20 knots becoming southwest 5 to 15 knots. Showers likely with a chance of thunderstorms through the early overnight, then a chance of showers late. Waves 1 to 3 feet. .THURSDAY...Southwest winds 10 knots or less. Waves 1 foot or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots becoming light and variable. Waves 1 foot or less. .FRIDAY...East winds 10 knots or less becoming northeast. Waves 1 foot or less. .FRIDAY NIGHT...East winds 5 to 10 knots becoming south. Showers with a chance of thunderstorms. Waves 1 foot or less. .SATURDAY...South winds 10 to 15 knots becoming southwest. Showers with a chance of thunderstorms during the day. Waves 1 to 3 feet. .SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to 3 feet. .MONDAY...South winds 5 to 10 knots. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-040315- MAFOR 0321/ ONTARIO WEST 1/2 11520 11510 11500 14600 11600. A chance of showers and thunderstorms this evening. Waves 1 to 3 feet tonight. Waves 1 foot or less Thursday. ONTARIO EAST 1/2 11420 12516 11500 11600 11500 12600. A chance of thunderstorms tonight. Waves 1 to 3 feet tonight. Waves 1 foot or less Thursday. $$