Great Lakes Forecast
Issued by NWS

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026
FZUS61 KBUF 121944
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
344 PM EDT Sat Oct 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 30.2 inch high across the lake will slide east
across northern New England tonight. An upper level trough will
then approach the lake Sunday, supporting the development of a
29.5 inch low tracking northeast from the Ohio Valley to Maine by
Monday. This low will deepen to 29.1 inches as it tracks into the
Canadian Maritimes on Tuesday and Wednesday. Meanwhile a 30.4
inch high will build across the western Great Lakes Wednesday
before shifting across the Northeastern states on Thursday.

LOZ062-130315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
344 PM EDT Sat Oct 12 2024

.TONIGHT...Northwest winds 5 to 15 knots becoming east. Showers
likely after midnight. Waves 1 foot or less.
.SUNDAY...East winds 10 to 15 knots becoming northeast 15 to
20 knots. Showers likely. Waves 1 to 2 feet building to 4 to
6 feet.
.SUNDAY NIGHT...Northeast winds 15 to 25 knots. Showers likely in
the evening, then a chance of showers overnight. Waves 4 to
6 feet.
.MONDAY...North winds 15 to 25 knots becoming northwest. A chance
of showers. Waves 4 to 6 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. A chance of
showers. Waves 3 to 6 feet.
.TUESDAY...Northwest winds 15 to 25 knots. Showers likely. Waves
4 to 7 feet. Waves occasionally around 9 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Showers likely during the day. Waves 3 to 6 feet
subsiding to 1 to 3 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest. Waves
1 to 3 feet.

$$

LOZ063>065-130315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
344 PM EDT Sat Oct 12 2024

.TONIGHT...Northwest winds 5 to 10 knots becoming east. A chance
of showers after midnight. Showers likely late. Waves 2 feet or
less.
.SUNDAY...Southeast winds 10 to 15 knots becoming northeast 15 to
20 knots. Showers. Waves 1 to 3 feet building to 3 to 5 feet.
.SUNDAY NIGHT...Northeast winds 15 to 25 knots. Showers likely in
the evening, then a chance of showers overnight. Waves 3 to
6 feet.
.MONDAY...North winds 20 to 25 knots becoming northwest. Showers
likely. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.MONDAY NIGHT...Northwest winds 15 to 25 knots. Showers likely in
the evening, then a chance of showers overnight. Waves 4 to
7 feet subsiding to 3 to 6 feet. Waves occasionally around
9 feet.
.TUESDAY...Northwest winds 20 to 25 knots. Showers. Waves 5 to
9 feet. Waves occasionally around 11 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. Showers during the day. Waves 4 to 7 feet subsiding to
2 to 4 feet. Waves occasionally around 9 feet.
.THURSDAY...West winds 5 to 15 knots becoming southwest. Waves
1 to 2 feet building to 2 to 4 feet, then subsiding to 1 to
3 feet.

$$

LOZ061-130315-
MAFOR 1221/
ONTARIO WEST 1/2 11700 11800 11110 11216 11210 11216 11226 11126.
Waves 2 feet or less tonight. Waves 1 to 2 feet building to 3 to
5 feet Sunday.

ONTARIO EAST 1/2 12700 11800 11200 11310 11316 11216 11226. Waves
2 feet or less tonight. Waves 1 to 3 feet building to 2 to 4 feet
Sunday.

$$