Great Lakes Forecast
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FZUS61 KBUF 190751
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
351 AM 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 wavy frontal boundary will move across the Lake
today. 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.

LOZ062-191515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
351 AM EDT Fri Apr 19 2024

.TODAY...East winds 10 to 15 knots becoming west 15 to 20 knots.
A chance of showers early, then showers. A chance of showers
late. Waves 1 to 3 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. 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. Waves 3 to 5 feet
subsiding to 1 to 3 feet.
.SUNDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 5 to 10 knots becoming south. Waves
1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots becoming west. Showers.
Waves 1 to 3 feet.

$$

LOZ063>065-191515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
351 AM EDT Fri Apr 19 2024

.TODAY...Southeast winds 15 to 25 knots becoming southwest. A
chance of showers late this morning. Showers this afternoon.
Waves 2 to 4 feet building to 3 to 5 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers early. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.SATURDAY...West winds 15 to 25 knots increasing to 30 knots.
Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally
around 10 feet.
.SATURDAY NIGHT...West winds to 30 knots diminishing to 15 to
20 knots. Waves 5 to 9 feet subsiding to 2 to 4 feet. Waves
occasionally around 11 feet.
.SUNDAY...West winds 15 to 20 knots. 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 becoming southwest. A
chance of showers during the day, then showers Tuesday night.
Waves 1 to 3 feet.

$$

LOZ061-191515-
MAFOR 1909/
ONTARIO WEST 1/2 11210 11310 11316 11510 11620 13610. Waves 1 to
3 feet today. Waves 2 to 4 feet tonight.

ONTARIO EAST 1/2 12320 11336 11436 11520 13610. Waves 1 to 2 feet
building to 3 to 5 feet today. Waves 2 to 4 feet subsiding to 1
to 3 feet tonight.

$$


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