Great Lakes Forecast
Issued by NWS
Issued by NWS
715 FZUS61 KBUF 172020 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 420 PM EDT Tue Sep 17 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...An expansive 30.3 inch high will extend to the lower Great Lakes from the New England coast through Wednesday. A broad upper level disturbance centered over the southern Appalachians on Wednesday will then drift north and further weaken on Thursday. High pressure over Quebec will then strengthen and once again extend across the Lower Great Lakes for the end of the week. LOZ062-180315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 420 PM EDT Tue Sep 17 2024 .TONIGHT...East winds 10 knots or less. Waves 1 foot or less. .WEDNESDAY...East winds 10 knots or less. Waves 1 foot or less. .WEDNESDAY NIGHT...East winds 10 knots or less becoming northeast. Waves 1 foot or less. .THURSDAY...Northeast winds less than 10 knots. Waves 1 foot or less. .THURSDAY NIGHT...Light and variable winds. Waves 1 foot or less. .FRIDAY...North winds 10 knots or less becoming east. Waves 1 foot or less. .SATURDAY...East winds 5 to 15 knots. Waves 2 feet or less building to 2 to 3 feet. .SUNDAY...East winds 10 to 15 knots becoming southeast. Waves 1 to 3 feet. $$ LOZ063>065-180315- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 420 PM EDT Tue Sep 17 2024 .TONIGHT...Northeast winds 10 knots or less becoming southeast. Waves 1 foot or less. .WEDNESDAY...Southeast winds 10 knots or less becoming northeast. Waves 1 foot or less. .WEDNESDAY NIGHT...Northeast winds 10 knots or less becoming north. Waves 1 foot or less. .THURSDAY...North winds 10 knots or less becoming northwest. Waves 1 foot or less. .THURSDAY NIGHT...Northwest winds less than 10 knots becoming north. Waves 1 foot or less. .FRIDAY...Northeast winds 10 knots or less becoming east. Waves 1 foot or less. .SATURDAY...Southeast winds 5 to 15 knots becoming east. Waves 2 feet or less. .SUNDAY...Southeast winds 10 to 15 knots. Waves 1 to 3 feet. $$ LOZ061-180315- MAFOR 1721/ ONTARIO WEST 1/2 15200 11200 11100. Waves 1 foot or less. ONTARIO EAST 1/2 12100 11200 12300 11400 11300 11100. Waves 1 foot or less. $$ AR