FZUS61 KBUF 240802

GLFLO 



Open Lake Forecast for Lake Ontario

National Weather Service Buffalo NY

402 AM EDT Fri Oct 24 2025



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 29.5 inch low will move slowly north into northern 

Quebec today. Meanwhile, an elongated 30.3 inch high stretching from 

the lower Ohio Valley northwest to the upper Great Lakes will then 

move east into the central and lower Great Lakes Saturday, before 

strengthening to 30.5 inches while expanding across New England and 

Quebec Sunday into Monday. This large high will remain anchored 

across Quebec through Tuesday.



LOZ062-241500-

Lake Ontario open waters from the Niagara River to Hamlin Beach-

402 AM EDT Fri Oct 24 2025



.TODAY...West winds 15 to 20 knots becoming northwest 10 to

15 knots. A chance of waterspouts early. Lake effect showers

likely early, then a chance of showers from late morning on.

Waves 2 to 4 feet. 

.TONIGHT...Northwest winds 10 to 15 knots. A chance of showers in

the evening. Waves 1 to 3 feet. 

.SATURDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less. 

.SATURDAY NIGHT...Northwest winds 5 to 10 knots becoming north.

Waves 1 foot or less. 

.SUNDAY...Northeast winds 5 to 10 knots becoming east. A chance

of showers Sunday night. Waves 2 feet or less. 

.MONDAY...East winds 10 to 15 knots increasing to 15 to 20 knots.

A chance of showers during the day. Waves 1 to 3 feet building to

2 to 4 feet. 

.TUESDAY...East winds 15 to 20 knots. A chance of showers Tuesday

night. Waves 3 to 6 feet. 



$$



LOZ063>065-241500-

Lake Ontario open waters from Hamlin Beach to the Saint Lawrence

River-

402 AM EDT Fri Oct 24 2025



.TODAY...West winds 15 to 20 knots. A chance of waterspouts

through early afternoon. Lake effect showers with a few rumbles

of thunder possible this morning, then showers likely early this

afternoon. A chance of showers late. Waves 2 to 4 feet. 

.TONIGHT...Northwest winds 15 to 20 knots diminishing to 5 to

15 knots. A chance of showers. Waves 2 to 4 feet subsiding to

1 to 3 feet. 

.SATURDAY...North winds 5 to 10 knots becoming northwest. A

chance of showers in the morning. Waves 2 feet or less. 

.SATURDAY NIGHT...Northwest winds 5 to 10 knots becoming

northeast. A chance of showers. Waves 1 foot or less. 

.SUNDAY...Northeast winds 5 to 10 knots. A chance of rain showers

during the day. Waves 2 feet or less. 

.MONDAY...Northeast winds 10 to 15 knots becoming east. Waves

1 to 3 feet building to 2 to 4 feet. 

.TUESDAY...East winds 15 to 20 knots. Waves 2 to 4 feet. 



$$



LOZ061-241500-

MAFOR 2409/

ONTARIO WEST 1/2 11616 12610 14710 11700. Waves 2 to 4 feet

today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. 



ONTARIO EAST 1/2 12616 12610 13710 11700. A chance of waterspouts

this morning. Waves 2 to 4 feet today. Waves 2 to 4 feet

subsiding to 1 to 3 feet tonight. 



$$