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000
FZUS61 KBUF 122135
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
535 PM EDT Fri Apr 12 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 28.8 inch low just northeast of Georgian Bay will
move north and weaken across northern Quebec overnight and
Saturday. Meanwhile...a 30.1 inch surface ridge will move from the
Mississippi valley to the Upper Great Lakes. The area of high
pressure will cross the lake Saturday night. A 29.6 inch low will
cross the lake on Sunday. An expansive 30.0 inch high centered
over Manitoba Sunday evening will build southeast across the
Great Lakes region late Sunday night through Tuesday. A large
storm system will move from the northern plains to the Upper Great
Lakes Tuesday night and Wednesday.

LOZ062-130330-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
535 PM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
SATURDAY AFTERNOON...

.TONIGHT...Southwest winds to 30 knots becoming west and
increasing to 35 knot gales after midnight. Rain showers. Waves
7 to 10 feet building to 9 to 13 feet. Waves occasionally around
16 feet.
.SATURDAY...West gales to 40 knots diminishing to 30 knots. Rain
showers early, then a chance of rain showers late in the morning.
Waves 10 to 13 feet subsiding to 8 to 11 feet. Waves occasionally
around 16 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots becoming southwest
and diminishing to 10 to 15 knots. A chance of showers overnight.
Waves 6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally
around 11 feet.
.SUNDAY...South winds 10 to 15 knots becoming west. Showers.
Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Showers in the
evening. Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots. Waves 2 feet or less.
.TUESDAY...East winds 10 to 15 knots. A chance of showers Tuesday
night. Waves 1 to 3 feet.
.WEDNESDAY...East winds 15 to 20 knots. Showers likely. Waves 1
to 3 feet.

$$

LOZ063>065-130330-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
535 PM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...

.TONIGHT...Southwest winds to 30 knots becoming west and
increasing to 40 knot gales after midnight. Rain showers. Waves
6 to 10 feet building to 10 to 15 feet. Waves occasionally around
19 feet.
.SATURDAY...West gales to 40 knots diminishing to 35 knots. Rain
showers through early afternoon, then a chance of rain showers
late. Waves 12 to 17 feet. Waves occasionally around 22 feet.
.SATURDAY NIGHT...West gales to 35 knots diminishing to 15 to
25 knots. Waves 10 to 14 feet subsiding to 3 to 6 feet. Waves
occasionally around 18 feet.
.SUNDAY...Southwest winds 10 to 15 knots. Showers. Waves 3 to
5 feet subsiding to 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Showers in the
evening. Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. A chance of showers Tuesday
night. Waves 1 to 3 feet.
.WEDNESDAY...East winds 15 to 20 knots. Showers likely. Waves 1
to 3 feet.

$$

LOZ061-130330-
MAFOR 1221/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11540 11646 13656
13650. Waves 7 to 10 feet building to 10 to 14 feet, and
occasionally around 18 feet tonight. Waves 10 to 15 feet
subsiding to 9 to 12 feet, and occasionally around 19 feet
Saturday.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11530 12546 13656
12650. Waves 5 to 8 feet building to 10 to 15 feet, and
occasionally around 19 feet tonight. Waves 12 to 17 feet, and
occasionally around 22 feet Saturday.

$$