FZUS61 KBUF 101451 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1050 AM EDT Tue Mar 10 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 ridge will persist through today as a stationary boundary lingers near the lower Great Lakes. 29.6 inch low will ripple along the boundary Wednesday, with this wave passing just to the west of the lake Wednesday night. This low will deepen to 29.4 inches as it moves across southern Quebec Thursday. A 30.2 inch high will move across the Ohio Valley and Mid- Atlantic region Thursday night through Friday. A 29.6 inch surface low will pass across the lake Friday night with a cold front, then shifting east of the lake Saturday. LOZ062-063-102100- Lake Ontario open waters from the Niagara River to Sodus Bay- 1050 AM EDT Tue Mar 10 2026 .REST OF TODAY...West winds 5 to 15 knots becoming northeast. A chance of rain showers late this morning, then rain showers likely this afternoon. Waves 1 to 2 feet. .TONIGHT...Northeast winds 10 to 15 knots becoming east 15 to 20 knots. Rain showers likely early, then a chance of rain showers. Rain showers likely with a chance of thunderstorms late. Waves 1 to 3 feet building to 3 to 5 feet. .WEDNESDAY...East winds 15 to 20 knots becoming southeast. Rain showers with a chance of thunderstorms. Waves 3 to 5 feet subsiding to 2 to 4 feet. .WEDNESDAY NIGHT...South winds 15 to 25 knots becoming west to 30 knots. Rain showers in the evening, then rain showers likely overnight. Waves 2 to 4 feet building to 8 to 11 feet. Waves occasionally around 14 feet. .THURSDAY...West winds to 30 knots diminishing to 10 to 15 knots. Waves 8 to 12 feet subsiding to 3 to 5 feet. Waves occasionally around 15 feet. .FRIDAY...Southeast winds 15 to 25 knots becoming west and increasing to 35 knot gales. Rain and snow showers during the day, then rain showers likely with a chance of snow showers Friday night. Waves 3 to 5 feet building to 13 to 17 feet. Waves occasionally around 22 feet. .SATURDAY...West gales to 35 knots becoming east and diminishing to 15 to 20 knots. Snow and rain showers likely Saturday night. Waves 12 to 16 feet subsiding to 3 to 6 feet. Waves occasionally around 20 feet. Winds and waves higher in and near thunderstorms. $$ LOZ064-065-102100- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 1050 AM EDT Tue Mar 10 2026 .REST OF TODAY...South winds 5 to 15 knots becoming north. A chance of rain showers early this afternoon. Rain showers likely late. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots increasing to 15 to 20 knots. A chance of rain showers through the early overnight, then rain showers likely late. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...Northeast winds 10 to 15 knots becoming southeast 15 to 20 knots. Rain showers with a chance of thunderstorms. Waves 1 to 3 feet. .WEDNESDAY NIGHT...South winds 15 to 20 knots becoming west and increasing to 30 knots. Rain showers in the evening, then rain showers with a chance of snow showers overnight. Waves 1 to 3 feet building to 8 to 11 feet. Waves occasionally around 14 feet. .THURSDAY...West winds to 30 knots diminishing to 10 to 15 knots. A chance of snow showers during the day. Waves 9 to 13 feet subsiding to 3 to 6 feet. Waves occasionally around 16 feet. .FRIDAY...South winds 15 to 20 knots becoming west and increasing to 40 knot gales. Rain and snow showers likely. Waves 2 to 4 feet building to 13 to 17 feet. Waves occasionally around 22 feet. .SATURDAY...West gales to 35 knots becoming southeast and diminishing to 15 to 20 knots. A chance of snow showers. Waves 13 to 17 feet subsiding to 2 to 4 feet. Waves occasionally around 22 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-102100- MAFOR 1015/ ONTARIO WEST 1/2 11700 12106 11110 11120 11220 11226 11216. A chance of thunderstorms overnight and Wednesday morning. Waves 1 to 2 feet this afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 3 to 5 feet Wednesday morning. ONTARIO EAST 1/2 11610 11800 11100 11110 12120 12116. A chance of thunderstorms Wednesday morning. Waves 2 feet or less this afternoon. Waves 1 to 3 feet building to 2 to 4 feet tonight. Waves 2 to 4 feet subsiding to 1 to 3 feet Wednesday morning. $$