####018000959####
FZUS61 KBUF 242009

GLFSL 



Forecast for the Saint Lawrence River

including the Thousand Islands Region

National Weather Service Buffalo NY

409 PM EDT Wed Apr 24 2024



SLZ022-024-250315-

Saint Lawrence River from Cape Vincent to Saint Regis

409 PM EDT Wed Apr 24 2024



.TONIGHT...North winds 10 to 15 knots diminishing to less than 10

knots. Mainly clear. 

.THURSDAY...North winds 10 knots or less becoming west. Sunny.

.THURSDAY NIGHT...West winds less than 10 knots. Clear.

.FRIDAY...Light and variable winds. Sunny.

.FRIDAY NIGHT...Light and variable winds. Mainly clear. 

.SATURDAY...South winds 10 to 15 knots. A chance of showers

during the day, then showers likely Saturday night. 

.SUNDAY...South winds 5 to 15 knots diminishing to less than

10 knots. Showers likely. 

.MONDAY...Southeast winds 5 to 10 knots becoming south. A chance

of showers during the day, then showers likely Monday night. 



$$

####018003002####
FZUS61 KBUF 242010

GLFLO 



Open Lake Forecast for Lake Ontario

National Weather Service Buffalo NY

410 PM 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 large 30.4 inch Canadian high will settle over the 

upper Great Lakes tonight, then slowly work across Lake Ontario 

Thursday. The high will cross New England on Friday. A warm front

will lift northeast across the Lake late Friday night and 

Saturday.



LOZ062-250315-

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

410 PM EDT Wed Apr 24 2024



.TONIGHT...North winds 5 to 15 knots becoming northeast. Waves

1 to 2 feet. 

.THURSDAY...East winds 5 to 15 knots. Waves 2 feet or less. 

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

less. 

.FRIDAY...East winds 5 to 15 knots increasing to 15 to 20 knots.

Waves 1 to 3 feet building to 3 to 5 feet. 

.FRIDAY NIGHT...East winds 15 to 20 knots becoming southeast

10 to 15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet. 

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

Showers during the day, then a chance of showers Saturday night.

Waves 1 to 3 feet. 

.SUNDAY...Southwest winds 5 to 15 knots becoming south. A chance

of showers. Waves 1 to 3 feet. 

.MONDAY...Southeast winds 5 to 10 knots becoming southwest. A

chance of showers. Waves 2 feet or less. 



$$



LOZ063>065-250315-

Lake Ontario open waters from Hamlin Beach to the Saint Lawrence

River-

410 PM EDT Wed Apr 24 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. 

.THURSDAY...Northeast winds 5 to 10 knots becoming northwest.

Waves 1 to 3 feet subsiding to 1 foot or less. 

.THURSDAY NIGHT...West winds 10 knots or less becoming southeast.

Waves 1 foot or less. 

.FRIDAY...Southeast winds 5 to 15 knots becoming northeast 15 to

20 knots. Waves 1 to 3 feet. 

.FRIDAY NIGHT...Northeast winds 15 to 20 knots becoming

southeast. Waves 2 to 4 feet subsiding to 1 to 3 feet. 

.SATURDAY...Southeast winds 15 to 20 knots becoming south.

Showers likely. Waves 2 to 4 feet. 

.SUNDAY...South winds 15 to 20 knots diminishing to 5 to

15 knots. Showers likely during the day, then a chance of showers

Sunday night. Waves 2 to 4 feet subsiding to 1 to 3 feet. 

.MONDAY...Southeast winds 5 to 15 knots becoming south. A chance

of showers. Waves 2 feet or less. 



$$



LOZ061-250315-

MAFOR 2421/

ONTARIO WEST 1/2 11700 11800 13110 13200. Waves 1 to 3 feet

tonight. Waves 2 feet or less Thursday. 



ONTARIO EAST 1/2 11820 11810 13110 11100 12800. Waves 2 to 4 feet

subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet subsiding to

1 foot or less Thursday. 



$$