000
FZUS61 KBUF 180820
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
420 AM EDT Thu Apr 18 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 stacked 29.7 inch low centered over western Ontario
will push a weakening frontal boundary across the eastern half of
the lake today. While weak high pressure will cross the lake late
today and tonight...a wavy frontal boundary will move through on
Friday. A 29.4 inch low over northern Quebec Friday night 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.


LOZ062-181530-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
420 AM EDT Thu Apr 18 2024

.TODAY...Southwest winds 10 to 15 knots. Patchy fog early. Waves
2 to 4 feet subsiding to 1 to 2 feet.
.TONIGHT...Southwest winds 10 knots or less becoming southeast. A
chance of showers late. Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots becoming west 15 to
20 knots. Showers. Waves building to 2 to 4 feet.
.FRIDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots. A chance of showers. Waves
3 to 6 feet.
.SUNDAY...West winds 15 to 20 knots. Waves 2 to 4 feet.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.

$$

LOZ063>065-181530-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
420 AM EDT Thu Apr 18 2024

.TODAY...South winds 15 to 20 knots diminishing to 10 to
15 knots. Patchy fog this morning. Showers likely early, then just
a chance of showers from late morning on. Waves 1 to 3 feet.
.TONIGHT...South winds 10 to 15 knots becoming southeast 15 to
20 knots. A chance of showers early. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming southwest.
Showers. Waves 2 to 4 feet building to 3 to 6 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west
10 to 15 knots. A chance of showers in the evening. Waves 3 to
6 feet subsiding to 2 to 4 feet.
.SATURDAY...Southwest winds 15 to 25 knots becoming west. A
chance of showers. Waves 3 to 5 feet building to 5 to 9 feet.
Waves occasionally around 11 feet.
.SUNDAY...West winds 15 to 20 knots. Waves 3 to 6 feet.
.MONDAY...West winds 10 to 15 knots. Waves subsiding to 1 to 3
feet.

$$

LOZ061-181530-
MAFOR 1809/
ONTARIO WEST 1/2 11500 13610 12500 11400 11300. Waves 2 to 4 feet
subsiding to 1 to 3 feet today. Waves 2 feet or less tonight.

ONTARIO EAST 1/2 11310 11420 11520 12410 13310. A chance of rain,
then a chance of showers early this morning. Waves 1 to 3 feet
today. Waves 2 feet or less tonight.

$$

HSK/RSH