Great Lakes Forecast
Issued by NWS
Issued by NWS
381 FZUS61 KBUF 122034 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 334 PM EST Tue Nov 12 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 30.4 inch high over the Upper Great Lakes will drift east across the Lake tonight before strengthening to 30.7 inches while crossing Quebec on Wednesday and Wednesday night. A 29.7 inch low over southern Lake Michigan Thursday morning will cross Lower Michigan during the day before weakening to 29.9 inches as it moves over Pennsylvania Thursday night. An elongated 30.2 inch high will be centered over the Upper Great Lakes Friday and Saturday. LOZ062-130430- Lake Ontario open waters from the Niagara River to Hamlin Beach- 334 PM EST Tue Nov 12 2024 .TONIGHT...North winds 10 to 15 knots becoming east. Waves 1 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots increasing to 15 to 20 knots. Waves 2 to 4 feet building to 3 to 6 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots becoming southeast. Waves 3 to 6 feet subsiding to 2 to 4 feet. .THURSDAY...Southeast winds 15 to 20 knots. Showers likely in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet. .THURSDAY NIGHT...Southeast winds 15 to 20 knots becoming east 10 to 15 knots. Showers likely in the evening, then a chance of showers overnight. Waves 2 to 4 feet. .FRIDAY...Northeast winds 10 to 15 knots becoming northwest. Waves 1 to 3 feet. .SATURDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet. .SUNDAY...West winds 10 to 15 knots becoming southwest. A chance of showers Sunday night. Waves 2 feet or less. $$ LOZ063>065-130430- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 334 PM EST Tue Nov 12 2024 .TONIGHT...North winds 15 to 20 knots becoming northeast 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .WEDNESDAY...Northeast winds 10 to 15 knots becoming east 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .WEDNESDAY NIGHT...East winds 15 to 20 knots becoming southeast. Waves 2 to 4 feet. .THURSDAY...Southeast winds 15 to 20 knots. A chance of rain showers in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet. .THURSDAY NIGHT...Southeast winds 15 to 20 knots becoming east 10 to 15 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY...Northeast winds 10 to 15 knots becoming northwest. Waves 1 to 3 feet. .SATURDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .SUNDAY...Northwest winds 10 to 15 knots becoming southwest. A chance of showers Sunday night. Waves 2 feet or less. $$ LOZ061-130430- MAFOR 1222/ ONTARIO WEST 1/2 11810 12110 13210 12220. Waves 1 to 3 feet tonight. Waves 2 to 4 feet building to 3 to 5 feet Wednesday. ONTARIO EAST 1/2 11810 14110 13210. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet Wednesday. $$