FZUS61 KBUF 121955 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 355 PM EDT Wed Jun 12 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 30.1 inch high will move from the Lower Great Lakes to New England through tonight. A 29.6 inch area of low pressure will cross central Quebec Thursday and Friday, with its cold front dropping southward across the lake early Friday. An expansive area of high pressure centered over the Upper Great Lakes Friday night will slowly cross Lake Ontario Saturday and Sunday. LOZ062-130315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 355 PM EDT Wed Jun 12 2024 .TONIGHT...Southeast winds 5 to 10 knots becoming south. Waves 1 foot or less. .THURSDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .THURSDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet. .FRIDAY...West winds 5 to 15 knots. A chance of showers in the morning. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming northeast. Waves 2 feet or less. .SATURDAY...Northeast winds 10 knots or less becoming east. Waves 2 feet or less. .SUNDAY...Southeast winds 5 to 10 knots. Waves 2 feet or less. .MONDAY...South winds around 10 knots becoming southwest. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-130315- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 355 PM EDT Wed Jun 12 2024 .TONIGHT...Southeast winds 5 to 10 knots becoming south. Waves 1 foot or less. .THURSDAY...South winds 10 to 15 knots becoming southwest. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 5 to 15 knots becoming northeast. Waves 1 to 3 feet. .SATURDAY...Northeast winds 15 to 20 knots becoming southeast and diminishing to less than 10 knots. Waves 2 to 4 feet subsiding to 1 foot or less. .SUNDAY...Southeast winds 5 to 15 knots becoming south. Waves 2 feet or less. .MONDAY...South winds 5 to 15 knots becoming southwest. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-130315- MAFOR 1221/ ONTARIO WEST 1/2 12300 12400 11410 11510 12520. Waves 1 foot or less tonight. Waves 1 to 3 feet building to 2 to 4 feet Thursday. ONTARIO EAST 1/2 11400 11300 13400 12410 11510. Waves 2 feet or less. $$ AR