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FZUS61 KBUF 231444

GLFLO 



Open Lake Forecast for Lake Ontario

National Weather Service Buffalo NY

1044 AM EDT Tue Apr 23 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 disorganized 29.5 inch low will cross the upper 

Great Lakes this afternoon. The low will cross just to the north 

of the Lake tonight while dragging an associated cold front 

across the remainder of the lower Great lakes Wednesday morning. 

The wavy front will exit across New England Wednesday afternoon, 

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 Wednesday night and Thursday. The high will cross New

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

Lake later Friday night and Saturday.



LOZ062-232130-

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

1044 AM EDT Tue Apr 23 2024



.THIS AFTERNOON...South winds 15 to 25 knots becoming southwest.

Showers likely late. Waves 2 to 4 feet building to 3 to 6 feet. 

.TONIGHT...Southwest winds 15 to 25 knots becoming west and

diminishing to 5 to 10 knots after midnight. Rain. Waves 3 to

6 feet subsiding to 1 to 3 feet. 

.WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to

15 knots. Showers likely with a chance of snow showers in the

morning. Waves 2 to 4 feet building to 3 to 5 feet, then

subsiding to 1 to 3 feet. 

.WEDNESDAY NIGHT...West winds 5 to 15 knots becoming east. Waves

1 to 2 feet. 

.THURSDAY...East winds 5 to 10 knots. Waves 2 feet or less. 

.FRIDAY...East winds 10 to 15 knots becoming southeast. A chance

of showers Friday night. Waves 1 to 3 feet building to 2 to

4 feet, then subsiding to 1 to 3 feet. 

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

Showers likely. Waves 1 to 3 feet. 



$$



LOZ063>065-232130-

Lake Ontario open waters from Hamlin Beach to the Saint Lawrence

River-

1044 AM EDT Tue Apr 23 2024



.THIS AFTERNOON...South winds 15 to 20 knots becoming southwest. A

chance of showers late. Waves 3 to 5 feet subsiding to 2 to

4 feet. 

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

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

.WEDNESDAY...Northwest winds 15 to 25 knots. Rain showers with

snow showers likely in the morning, then a chance of rain and

snow showers in the afternoon. Waves 1 to 3 feet building to 4 to

7 feet, then subsiding to 3 to 5 feet. Waves occasionally around

9 feet. 

.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming

northeast 10 to 15 knots. Waves 1 to 3 feet. 

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

Waves 2 feet or less. 

.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to

20 knots. Waves 1 to 3 feet. 

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

Showers likely. Waves 2 to 4 feet. 



$$



LOZ061-232130-

MAFOR 2315/

ONTARIO WEST 1/2 12530 12536 11516 11606 11726 11820. A chance of

snow showers Wednesday morning. Waves 2 to 4 feet building to 3

to 6 feet this afternoon. Waves 3 to 6 feet subsiding to 1 to 3

feet tonight. Waves 2 to 4 feet building to 3 to 5 feet Wednesday

morning. 



ONTARIO EAST 1/2 11420 11520 11510 11516 11406 11506 11616 11836.

A chance of snow showers Wednesday morning. Waves 3 to 5 feet

subsiding to 2 to 4 feet this afternoon. Waves 2 to 4 feet

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

to 6 feet Wednesday morning. 



$$