####018002894####
FZUS61 KBUF 240748

GLFLO 



Open Lake Forecast for Lake Ontario

National Weather Service Buffalo NY

348 AM EDT Wed Apr 24 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 wavy front will exit across New England today... 

while a large 30.4 inch Canadian high will settle over the upper 

Great Lakes. The area of high pressure will slowly work across 

Lake Ontario tonight and Thursday. The high will cross New 

England on Friday. A warm front will lift northwards across the 

Lake later Friday night and Saturday.



LOZ062-241515-

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

348 AM EDT Wed Apr 24 2024



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

10 knots. Scattered rain showers this morning. Waves 2 to 3 feet

building to 3 to 5 feet, then subsiding to 1 to 3 feet. 

.TONIGHT...Northwest winds 10 to 15 knots becoming northeast.

Waves 1 to 2 feet. 

.THURSDAY...East winds 10 to 15 knots. Waves 1 to 2 feet. 

.THURSDAY NIGHT...East winds 10 knots or less. Waves 1 foot or

less. 

.FRIDAY...East winds 10 to 15 knots. A chance of rain showers 

Friday night. Waves building to 2 to 4 feet. 

.SATURDAY...Southeast winds 10 to 15 knots becoming southwest.

Showers. Waves 1 to 3 feet. 

.SUNDAY...Southwest winds 10 to 15 knots. A chance of showers. 

Waves 1 to 3 feet. 



$$



LOZ063>065-241515-

Lake Ontario open waters from Hamlin Beach to the Saint Lawrence

River-

348 AM EDT Wed Apr 24 2024



.TODAY...Northwest winds 15 to 25 knots becoming north. Rain

showers likely early, then clearing this afternoon. Waves 1 to 3 

feet building to 3 to 6 feet. 

.TONIGHT...North winds 15 to 20 knots becoming northeast 10 to

15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. 

.THURSDAY...Northeast winds 5 to 10 knots becoming north. Waves

subsiding to 1 foot or less. 

.THURSDAY NIGHT...Southwest winds 10 knots or less becoming

southeast. Waves 1 foot or less. 

.FRIDAY...Southeast winds increasing to 15 to 20 knots. Waves 

building to 2 to 4 feet. 

.SATURDAY...Southeast winds 15 to 20 knots. Showers likely. Waves

3 to 5 feet. 

.SUNDAY...South winds 15 to 20 knots. A chance of showers. Waves 

1 to 3 feet. 



$$



LOZ061-241515-

MAFOR 2409/

ONTARIO WEST 1/2 11610 19616 11720 19726 11820 11810 11700 11800

12110. Waves 2 to 3 feet building to 3 to 5 feet, then subsiding

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



ONTARIO EAST 1/2 11610 19616 11730 19736 11830 12820 11810 12110.

Waves 1 to 3 feet building to 3 to 6 feet today. Waves 2 to 4

feet subsiding to 1 to 3 feet tonight. 



$$



JJR/RSH