Expires:202101172230;;064916 FZUS61 KBUF 171731 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1231 PM EST Sun Jan 17 2021 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 28.9 inch surface low over New Brunswick Canada will lift northward to northern Quebec and Labrador Canada by Tuesday while a weak low pressure of 29.7 inches crosses the Great Lakes. A 30.2 inch high pressure ridge will then cross the Great Lakes later Tuesday into Wednesday before low pressure of 29.3 inches tracks across northern Ontario and the Upper Great Lakes on Thursday. LOZ062-172230- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1231 PM EST Sun Jan 17 2021 .THIS AFTERNOON...West winds 15 to 25 knots. A chance of rain showers and snow. Waves 5 to 8 feet. Waves occasionally around 10 feet. .TONIGHT...Northwest winds 15 to 20 knots diminishing to 5 to 15 knots. A chance of snow showers through the early overnight. Waves 3 to 6 feet subsiding to 1 to 3 feet. .MONDAY...Northwest winds 10 to 15 knots. A chance of snow showers in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Northwest winds 5 to 15 knots becoming west. A chance of snow showers in the evening, then snow showers likely overnight. Waves 1 to 3 feet. .TUESDAY...West winds 15 to 25 knots. Snow showers likely. Waves 3 to 5 feet building to 5 to 8 feet. Waves occasionally around 10 feet. .WEDNESDAY...Northwest winds 15 to 20 knots becoming southwest. A chance of snow showers during the day. Waves 3 to 6 feet subsiding to 2 to 4 feet. .THURSDAY...Southwest winds 15 to 20 knots becoming west. Snow showers likely during the day, then a chance of snow showers Thursday night. Waves 2 to 4 feet building to 3 to 5 feet. $$