####018003616####
FZUS61 KBUF 200205

GLFLO 



Open Lake Forecast for Lake Ontario

National Weather Service Buffalo NY

1005 PM EDT Fri Apr 19 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 29.4 inch low over northern Quebec tonight will 

continue to move away from the region on Saturday...while an 

expansive 30.6 inch high will move from the Canadian Rockies to 

the northern plains. The large high will continue to push south to

the Lower Mississippi valley by late Sunday. The high will be 

centered over the Ohio valley on Monday. This high will slip to 

the east Tuesday, while a 29.6 inch surface low deepens across the

western Great Lakes, with a warm front extending towards the Lake

Tuesday night.



LOZ062-200915-

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

1005 PM EDT Fri Apr 19 2024



.OVERNIGHT...West winds 10 to 15 knots becoming southwest.

Waves 2 to 4 feet. 

.SATURDAY...West winds 15 to 20 knots. Waves 2 to 4 feet building

to 3 to 6 feet. 

.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to

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

.SUNDAY...West winds 15 to 20 knots becoming southwest. Waves

2 to 4 feet building to 3 to 5 feet. 

.SUNDAY NIGHT...West winds 15 to 20 knots becoming northwest

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

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

1 to 3 feet. 

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

chance of showers during the day, then showers Tuesday night.

Waves 1 to 3 feet. 

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

15 knots. Rain showers during the day. Waves 2 to 4 feet. 



$$



LOZ063>065-200915-

Lake Ontario open waters from Hamlin Beach to the Saint Lawrence

River-

1005 PM EDT Fri Apr 19 2024



.OVERNIGHT...West winds 15 to 20 knots diminishing to 5 to

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

.SATURDAY...Southwest winds 10 to 15 knots becoming west and

increasing to 15 to 25 knots. Waves 1 to 3 feet building to 5 to

8 feet. Waves occasionally around 10 feet. 

.SATURDAY NIGHT...West winds 15 to 25 knots. Waves 5 to 9 feet

subsiding to 2 to 4 feet. Waves occasionally around 11 feet. 

.SUNDAY...West winds 15 to 25 knots. Waves 3 to 6 feet. 

.SUNDAY NIGHT...Southwest winds 15 to 25 knots becoming

northwest. Waves 3 to 6 feet. 

.MONDAY...Northwest winds 5 to 15 knots becoming south. Waves

2 to 4 feet subsiding to 2 feet or less. 

.TUESDAY...South winds 10 to 15 knots increasing to 15 to

20 knots. A chance of showers during the day, then showers

Tuesday night. Waves 1 to 3 feet. 

.WEDNESDAY...Southwest winds 15 to 20 knots becoming northwest.

Rain showers during the day, then a chance of rain showers

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



$$



LOZ061-200915-

MAFOR 2003/

ONTARIO WEST 1/2 11610 11600 11510 14620 11620. Waves 2 to 3 feet

overnight. Waves 2 to 4 feet building to 3 to 6 feet Saturday.

Waves 3 to 6 feet Saturday evening. 



ONTARIO EAST 1/2 11610 11600 11500 11520 11620 12630 11620. Waves

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

building to 5 to 8 feet, and occasionally around 10 feet

Saturday. Waves 5 to 9 feet, and occasionally around 11 feet

Saturday evening. 



$$