FZUS61 KBUF 040616 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 116 AM EST Mon Nov 4 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 30.6 inch high will continue to drift off into New England, then off into the Gulf of Maine. In its wake, a warm front will work northeast through the lake today. A 29.6 inch low over the Upper Great Lakes on Tuesday will send a cold front into the lake late Tuesday night and through on Wednesday. A 30.2 inch surface high across the northern CONUS will ridge east into the eastern Great Lakes Thursday and Friday. LOZ062-041030- Lake Ontario open waters from the Niagara River to Hamlin Beach- 116 AM EST Mon Nov 4 2024 .OVERNIGHT...East winds 15 to 20 knots becoming southeast. Waves 2 to 4 feet. .MONDAY...Southeast winds 15 to 20 knots becoming south 5 to 15 knots. A chance of showers from late morning on. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY NIGHT...South winds 10 to 15 knots. A chance of showers in the evening. Waves 1 to 3 feet. .TUESDAY...South winds 15 to 20 knots becoming southwest. Waves 1 to 3 feet building to 2 to 4 feet. .TUESDAY NIGHT...South winds 15 to 20 knots becoming southwest. A chance of showers in the evening, then showers overnight. Waves 2 to 4 feet building to 3 to 6 feet. .WEDNESDAY...Southwest winds 15 to 20 knots becoming northwest 10 to 15 knots. Showers during the day. Waves 3 to 6 feet subsiding to 1 to 3 feet. .THURSDAY...Northwest winds 10 to 15 knots becoming west. Waves 2 feet or less building to 2 to 3 feet. .FRIDAY...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Waves 2 to 4 feet. $$ LOZ063>065-041030- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 116 AM EST Mon Nov 4 2024 .OVERNIGHT...Southeast winds 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY...Southeast winds 15 to 25 knots becoming south. A chance of showers in the afternoon. Waves 3 to 6 feet. .MONDAY NIGHT...South winds 15 to 25 knots. A chance of showers. Waves 3 to 6 feet. .TUESDAY...South winds 15 to 20 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet. .TUESDAY NIGHT...South winds 15 to 25 knots becoming southwest. Showers likely overnight. Waves 3 to 6 feet. .WEDNESDAY...Southwest winds 15 to 20 knots becoming northwest 10 to 15 knots. Showers during the day, then a chance of showers Wednesday night. Waves 3 to 6 feet subsiding to 1 to 3 feet. .THURSDAY...Northwest winds 10 to 15 knots becoming west 15 to 20 knots. A chance of showers during the day. Waves 1 to 3 feet. .FRIDAY...West winds 15 to 20 knots becoming northwest. Waves 2 to 4 feet building to 3 to 6 feet. $$ LOZ061-041030- MAFOR 0404/ ONTARIO WEST 1/2 11220 13320 14410. A chance of showers Monday afternoon. Waves 2 to 4 feet. ONTARIO EAST 1/2 12310 12320 12420 12430. A chance of showers Monday afternoon. Waves 1 to 3 feet building to 2 to 4 feet overnight. Waves 3 to 6 feet Monday and Monday evening. $$ AR