Great Lakes Forecast
Issued by NWS
Issued by NWS
888 FZUS61 KBUF 010902 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 402 AM EST Sun Nov 1 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 30.5 inch high will settle over the northern Mid Atlantic states Sunday through Monday before drifting off the eastern seaboard Tuesday. A 29.5 inch low is then forecast to move very slowly from the upper Mississippi Valley Tuesday to the upper Great Lakes by Wednesday, and then into western Quebec by Thursday and Friday. LOZ062-011600- Lake Ontario open waters from the Niagara River to Hamlin Beach- 402 AM EST Sun Nov 1 2026 .TODAY...South winds less than 10 knots becoming east. Waves 1 foot or less. .TONIGHT...South winds 10 knots or less becoming southwest. Waves 1 foot or less. .MONDAY...Southwest winds 10 knots or less becoming south. Waves 1 foot or less. .MONDAY NIGHT...South winds 10 knots or less. Waves 1 foot or less. .TUESDAY...South winds 5 to 10 knots. A chance of showers during the day. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 15 knots. Showers likely Wednesday night. Waves 2 feet or less. .THURSDAY...South winds 5 to 15 knots becoming southwest. Showers likely during the day, then a chance of showers Thursday night. Waves 1 to 2 feet. $$ LOZ063>065-011600- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 402 AM EST Sun Nov 1 2026 .TODAY...Southwest winds 5 to 15 knots becoming southeast. Waves 2 feet or less. .TONIGHT...South winds 5 to 15 knots becoming southwest. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots becoming south. Waves 2 feet or less. .MONDAY NIGHT...Southeast winds 10 knots or less becoming south. Waves 1 foot or less. .TUESDAY...South winds 5 to 15 knots. A chance of showers during the day. Waves 1 to 3 feet. .WEDNESDAY...South winds 15 to 20 knots. A chance of showers Wednesday night. Waves 1 to 3 feet. .THURSDAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers likely. Waves 1 to 3 feet. $$ LOZ061-011600- MAFOR 0110/ ONTARIO WEST 1/2 11500 12400 12300 11400 12500. Waves 1 foot or less. ONTARIO EAST 1/2 11500 12410 12300 11410 12510. Waves 2 feet or less. $$