FZUS61 KBUF 032053 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 453 PM EDT Fri May 3 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 30.2 inch high will settle along the New England coast by this evening. Meanwhile, a 29.6 inch low across the southcentral Canadian Prairies will move north into far northwestern Ontario Province by this evening. This same low will continue to slowly deepen to 29.5 inches as it drifts further north tonight, settling over southern Hudson Bay on Saturday. A slow moving cold front extending southeastward from the low will approach the Lake tonight, before stalling to the west of the Lake Saturday. A stronger second cold front will then move across the Lake Sunday. A 30.2 inch ridge of high pressure will then build in across the Lake Monday into Tuesday. LOZ062-040345- Lake Ontario open waters from the Niagara River to Hamlin Beach- 453 PM EDT Fri May 3 2024 .TONIGHT...Northeast winds 5 to 15 knots becoming east less than 10 knots. A chance of showers. Waves 1 to 3 feet. .SATURDAY...East winds 5 to 15 knots. A chance of showers in the morning. Waves 1 to 3 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .SUNDAY...Southeast winds 5 to 15 knots becoming south. Showers likely. Waves 1 to 3 feet subsiding to 1 foot or less. .SUNDAY NIGHT...Southwest winds 10 knots or less becoming northwest. A chance of showers in the evening. Waves 1 foot or less. .MONDAY...West winds 5 to 10 knots becoming northeast. Waves 1 foot or less. .TUESDAY...Northeast winds 5 to 15 knots becoming east. Showers likely Tuesday night. Waves 1 to 2 feet. .WEDNESDAY...East winds around 10 knots becoming southeast. Showers likely during the day, then a chance of showers Wednesday night. Waves 1 to 2 feet. $$ LOZ063>065-040345- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 453 PM EDT Fri May 3 2024 .TONIGHT...East winds 10 to 15 knots becoming southeast. A chance of showers. Waves 1 to 3 feet. .SATURDAY...Southeast winds 10 to 15 knots. A chance of showers in the morning. Waves 1 to 3 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots increasing to 15 to 20 knots. A chance of showers overnight. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...Southeast winds 15 to 20 knots becoming south 10 to 15 knots. Showers likely. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY NIGHT...South winds 5 to 15 knots becoming southwest. Showers likely in the evening, then a chance of showers overnight. Waves 1 to 3 feet subsiding to 1 foot or less. .MONDAY...West winds 5 to 10 knots. Waves 1 foot or less. .TUESDAY...Northeast winds 5 to 10 knots becoming east. A chance of showers Tuesday night. Waves 2 feet or less. .WEDNESDAY...Southeast winds around 10 knots becoming south. A chance of showers. Waves 1 to 2 feet. $$ LOZ061-040345- MAFOR 0321/ ONTARIO WEST 1/2 12110 11210 11200 14210. A chance of showers tonight and Saturday morning. Waves 1 to 3 feet. ONTARIO EAST 1/2 11110 12210 14310 11310. A chance of showers overnight and Saturday morning. Waves 1 to 3 feet. $$ AR