Great Lakes Forecast
Issued by NWS
Issued by NWS
309 FZUS61 KBUF 211949 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 349 PM EDT Sat Sep 21 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 weak 29.8 inch trough will move across the lower Great Lakes through tonight before dissipating. A weak 30.0 inch ridge will then build across the lower Great Lakes Sunday. A cold front will then move from the upper Great Lakes Sunday to the lower Great Lakes Monday, where it will stall through the middle of next week. Several weak 29.8 inch lows will move along the stalled front Monday through Wednesday. On Thursday low pressure will exit into New England while a 30.2 inch high builds across Lake Superior. LOZ062-220330- Lake Ontario open waters from the Niagara River to Hamlin Beach- 349 PM EDT Sat Sep 21 2024 .TONIGHT...East winds 5 to 15 knots. Scattered showers this evening. Patchy fog late. Waves 1 to 2 feet. .SUNDAY...East winds 5 to 15 knots. Patchy fog early. Waves 2 feet or less. .SUNDAY NIGHT...East winds 10 to 15 knots becoming south. A chance of showers overnight. Waves 1 to 3 feet. .MONDAY...Southeast winds 10 to 15 knots. Showers likely. Waves 1 to 3 feet. .MONDAY NIGHT...Southeast winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .TUESDAY...Southeast winds 10 to 15 knots. A chance of showers during the day, then showers Tuesday night. Waves 1 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots becoming west. Showers during the day, then a chance of showers Wednesday night. Waves 1 to 3 feet. .THURSDAY...North winds around 10 knots becoming northeast. A chance of showers during the day. Waves 1 to 2 feet. $$ LOZ063>065-220330- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 349 PM EDT Sat Sep 21 2024 .TONIGHT...East winds 5 to 15 knots becoming southeast. Scattered showers this evening. Waves 2 feet or less. .SUNDAY...Southeast winds 5 to 15 knots. Waves 2 feet or less. .SUNDAY NIGHT...Southeast winds 10 to 15 knots increasing to 15 to 25 knots. Waves 1 to 3 feet building to 3 to 5 feet. .MONDAY...Southeast winds 15 to 25 knots. A chance of showers. Waves 3 to 5 feet subsiding to 2 to 4 feet. .MONDAY NIGHT...Southeast winds 15 to 20 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TUESDAY...Southeast winds 15 to 20 knots. A chance of showers during the day, then showers Tuesday night. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY...Southeast winds 15 to 20 knots becoming south 10 to 15 knots. Showers. Waves 3 to 5 feet subsiding to 1 to 3 feet. .THURSDAY...Southeast winds 10 to 15 knots becoming northeast. A chance of showers. Waves 1 to 3 feet. $$ LOZ061-220330- MAFOR 2121/ ONTARIO WEST 1/2 11210 19216 11200 19206 13200 12300 11210. Waves 2 feet or less. ONTARIO EAST 1/2 11210 19216 15300 11310. Waves 2 feet or less. $$