FZUS61 KBUF 140802 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 402 AM EDT Thu May 14 2026 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 29.6 inch low north of Lake Ontario will drift over eastern New York and New England today. A 30.0 inch high will then build from the central Great Lakes and Ohio Valley tonight to the lower Great Lakes and Mid Atlantic Friday, then off the Carolina coast Saturday. A 29.3 inch low over the central Plains will then push a warm front into the lower Great Lakes Sunday and Sunday night. LOZ062-141500- Lake Ontario open waters from the Niagara River to Hamlin Beach- 402 AM EDT Thu May 14 2026 .TODAY...West winds 5 to 15 knots becoming northwest. A chance of showers early. A chance of showers with patchy drizzle this afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest winds 5 to 10 knots. Waves 2 feet or less. .FRIDAY...Northwest winds 5 to 10 knots becoming southwest. Waves 1 foot or less. .FRIDAY NIGHT...Southwest winds 5 to 15 knots. Waves 1 to 2 feet. .SATURDAY...Southwest winds 10 to 15 knots. Showers likely Saturday night. Waves 1 to 3 feet. .SUNDAY...West winds 10 knots or less becoming east. A chance of showers during the day. Waves 1 foot or less. .MONDAY...East winds 5 to 15 knots becoming south. Waves 1 to 2 feet. $$ LOZ063>065-141500- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 402 AM EDT Thu May 14 2026 .TODAY...Southwest winds 10 knots or less becoming northwest. Patchy drizzle this afternoon. Waves 1 to 3 feet subsiding to 1 foot or less. .TONIGHT...Northwest winds 10 knots or less. A chance of showers late in the evening. Showers likely after midnight, then a chance of showers late. Waves 2 feet or less. .FRIDAY...Northwest winds 5 to 15 knots becoming west. Waves 2 feet or less. .FRIDAY NIGHT...Southwest winds 5 to 10 knots becoming south. Waves 2 feet or less. .SATURDAY...South winds 5 to 15 knots becoming southwest. Showers likely Saturday night. Waves 2 feet or less. .SUNDAY...West winds 5 to 15 knots becoming east. Showers likely during the day. Waves 2 feet or less. .MONDAY...East winds 5 to 15 knots becoming south. Waves 2 feet or less. $$ LOZ061-141500- MAFOR 1409/ ONTARIO WEST 1/2 11610 11600 15700. A chance of showers early this morning. Waves 2 to 4 feet subsiding to 1 to 2 feet today. Waves 2 feet or less tonight. ONTARIO EAST 1/2 11510 11500 11400 11500 14700. A chance of showers overnight. Waves 1 to 3 feet subsiding to 1 foot or less today. Waves 2 feet or less tonight. $$