FZUS61 KBUF 222102 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 402 PM EST Sun Feb 22 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 29.8 inch low will move off the Carolina coast this early morning, then deepen to 28.8 inches as it tracks northeastward off the mid-Atlantic and New England coastlines through Monday. A 30.1 inch high is then forecast to weaken and slide across the Lower Great Lakes on Tuesday and New England on Wednesday. A 29.4 inch area of low pressure will track southeast across the Eastern Great Lakes Wednesday into early Thursday. A surface low of 29.5 inches will track from the Tennessee Valley to the Gulf of Maine from Thursday through Friday, staying well south and east of the lake. LOZ062-063-230400- Lake Ontario open waters from the Niagara River to Sodus Bay- 402 PM EST Sun Feb 22 2026 .TONIGHT...Northeast winds 15 to 20 knots. Snow through the early overnight, then a chance of snow showers late. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...North winds 15 to 25 knots. Snow through early afternoon, then a chance of snow showers late. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .MONDAY NIGHT...Northwest winds 15 to 25 knots. Snow likely. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. .TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of snow showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 5 to 15 knots becoming south 15 to 20 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...Southwest winds to 30 knots becoming west and diminishing to 15 to 20 knots. Snow during the day. Waves 3 to 6 feet building to 5 to 9 feet. Waves occasionally around 11 feet. .THURSDAY...Southwest winds 10 to 15 knots becoming north 15 to 20 knots. Snow likely. Waves 3 to 5 feet subsiding to 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots becoming southwest 15 to 20 knots. Waves 2 to 4 feet building to 3 to 5 feet. $$ LOZ064-065-230400- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 402 PM EST Sun Feb 22 2026 .TONIGHT...Northeast winds 10 to 15 knots increasing to 15 to 20 knots. Snow likely early, then a chance of snow showers from late evening on. Waves 1 to 3 feet. .MONDAY...North winds 15 to 20 knots. A chance of snow showers. Waves 3 to 6 feet. .MONDAY NIGHT...North winds 15 to 25 knots becoming northwest. Snow likely in the evening, then a chance of snow showers overnight. Waves 3 to 6 feet. .TUESDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of snow showers in the morning. Waves 3 to 5 feet subsiding to 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 5 to 15 knots becoming southeast 15 to 20 knots. A chance of snow showers in the evening, then snow likely overnight. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...South winds to 30 knots becoming west and diminishing to 15 to 20 knots. Snow during the day, then a chance of snow showers Wednesday night. Waves 3 to 5 feet building to 5 to 9 feet. Waves occasionally around 11 feet. .THURSDAY...West winds 10 to 15 knots becoming north. Snow likely. Waves 3 to 5 feet subsiding to 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots becoming south 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. $$ LOZ061-230400- MAFOR 2222/ ONTARIO WEST 1/2 13117 11110 13827 11830. Waves 1 to 3 feet tonight. Waves 3 to 6 feet Monday. ONTARIO EAST 1/2 11117 11217 12110 14820. A chance of snow showers overnight and Monday. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to 3 feet tonight. Waves 3 to 6 feet Monday. $$