Great Lakes Forecast
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000
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.

$$


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