Great Lakes Forecast
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173
FZUS61 KBUF 060311
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1011 PM EST Tue Nov 5 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 29.5 inch low over the Upper Great Lakes will cross
southern Quebec overnight. The first of two cold fronts from this
system will cross the lake Wednesday morning with the second one
moving through Wednesday night. A 30.7 inch arctic high centered
over the high plains of Colorado Thursday morning will then extend
to the east across the Great Lakes region Thursday afternoon
through Thursday night. The high will be centered over the
Mississippi valley on Friday and will cross the lake on Saturday.
The high will exit across New England on Sunday with a warm front
following across the lake.

LOZ062-061015-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1011 PM EST Tue Nov 5 2024

.OVERNIGHT...South winds 15 to 20 knots becoming southwest.
Showers likely late. Waves 2 to 4 feet building to 3 to 5 feet.
.WEDNESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots. Showers likely early, then a chance of showers late in
the morning. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming northwest.
Waves 2 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to 3
feet.
.FRIDAY...West winds 15 to 25 knots. Waves 3 to 6 feet building
to 4 to 7 feet. Waves occasionally around 9 feet.
.SATURDAY...Northeast winds 5 to 10 knots becoming southeast.
Waves 1 to 2 feet.
.SUNDAY...Southeast winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers. Waves building to 3 to 5 feet.

$$

LOZ063>065-061015-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1011 PM EST Tue Nov 5 2024

.OVERNIGHT...South winds 15 to 25 knots. Waves 3 to 6 feet.
.WEDNESDAY...Southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. Showers in the morning, then just a
chance of showers in the afternoon. Waves 3 to 6 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming northwest.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds increasing to 15 to 20 knots. Waves
1 to 3 feet.
.FRIDAY...Northwest winds 15 to 25 knots. Waves building to 5 to
8 feet. Waves occasionally around 10 feet.
.SATURDAY...North winds 10 to 15 knots becoming southeast. Waves
1 to 3 feet.
.SUNDAY...Southeast winds 15 to 20 knots becoming southwest.
Showers. Waves building to 3 to 5 feet.

$$

LOZ061-061015-
MAFOR 0604/
ONTARIO WEST 1/2 11420 11520 11526 11520 11620 13610. Waves 2 to
4 feet building to 3 to 5 feet overnight. Waves 3 to 6 feet
subsiding to 2 to 4 feet Wednesday. Waves 2 to 3 feet Wednesday
evening.

ONTARIO EAST 1/2 12430 11530 11526 11520 13610. Waves 3 to 6 feet
overnight and Wednesday. Waves 2 to 4 feet subsiding to 1 to 3
feet Wednesday evening.

$$