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FZUS61 KBUF 211526

GLFLO 



Open Lake Forecast for Lake Ontario

National Weather Service Buffalo NY

1126 AM EDT Sun Apr 21 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 30.5 inch high over the central Plains this

afternoon, will continue to push south into the southern Plains 

by this evening, before sliding east across the lower Mississippi 

Valley tonight. The high will weaken some to 30.2 inches as it 

slides east into the Ohio Valley by late Monday and ridges over 

the Lake. This high will slip to the east Tuesday, while a 29.5 

inch surface low deepens across the western Great Lakes. The low

will slowly weaken to 29.7 inches as it crosses the Lake late 

Tuesday night and Wednesday while dragging a cold front across the

Lake. A 30.4 inch high will then build across the Lake Wednesday 

night through Thursday night.



LOZ062-212200-

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

1126 AM EDT Sun Apr 21 2024



.THIS AFTERNOON...West winds 10 to 15 knots becoming southwest

15 to 20 knots. Waves 2 to 4 feet building to 3 to 5 feet. 

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

15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. 

.MONDAY...Northwest winds 5 to 10 knots becoming south. Waves

1 to 3 feet. 

.MONDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 2 feet. 

.TUESDAY...Southwest winds 15 to 25 knots becoming west. A chance

of showers during the day, then rain Tuesday night. Waves 3 to

5 feet building to 4 to 7 feet, then subsiding to 3 to 5 feet.

Waves occasionally around 9 feet. 

.WEDNESDAY...Northwest winds 15 to 25 knots. Rain during the day.

Waves 3 to 5 feet. 

.THURSDAY...Northwest winds 5 to 15 knots. Waves 2 to 4 feet

subsiding to 1 to 2 feet. 



$$



LOZ063>065-212200-

Lake Ontario open waters from Hamlin Beach to the Saint Lawrence

River-

1126 AM EDT Sun Apr 21 2024



.THIS AFTERNOON...West winds 10 to 15 knots increasing to 15 to

25 knots. Waves 2 to 4 feet building to 3 to 6 feet. 

.TONIGHT...West winds 15 to 25 knots becoming northwest and

diminishing to 10 to 15 knots. Waves 3 to 6 feet subsiding to

2 to 4 feet. 

.MONDAY...North winds 5 to 15 knots becoming southwest. Waves

2 to 4 feet subsiding to 1 to 3 feet. 

.MONDAY NIGHT...South winds 5 to 15 knots. Waves 2 feet or less. 

.TUESDAY...South winds 15 to 20 knots becoming southwest 10 to

15 knots. Rain Tuesday night. Waves 2 to 4 feet building to 3 to

5 feet, then subsiding to 2 to 4 feet. 

.WEDNESDAY...Northwest winds 15 to 20 knots. Rain during the day.

Waves 3 to 6 feet. 

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

15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet. 



$$



LOZ061-212200-

MAFOR 2115/

ONTARIO WEST 1/2 14620 11610 12710 11700. Waves 2 to 4 feet

building to 3 to 5 feet this afternoon. Waves 3 to 5 feet

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

morning. 



ONTARIO EAST 1/2 13630 12620 12710 11800. Waves 2 to 4 feet

building to 3 to 6 feet this afternoon. Waves 3 to 6 feet

subsiding to 2 to 4 feet tonight. Waves 2 to 4 feet subsiding to

1 to 3 feet Monday morning. 



$$