Great Lakes Forecast
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300
FZUS61 KBUF 210854
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
354 AM EST Sun Jan 21 2018

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...An expansive 30.3 inch high centered over the
Southeast will settle off the coast through today. A warm front
will lift across the lake Monday, as a 29.4 inch low moves into
the central Mississippi valley. This low will track across
southern Ontario Tuesday, sweeping a cold front across the lake by
late Tuesday.

LOZ062-063-211615-
Lake Ontario open waters from the Niagara River to Sodus Bay-
354 AM EST Sun Jan 21 2018

.TODAY...West winds 5 to 10 knots becoming light and variable.
Waves 2 feet or less.
.TONIGHT...East winds 10 knots or less increasing to 10 to
15 knots. A chance of rain showers from late evening on. Waves
2 feet or less.
.MONDAY...Northeast winds 15 to 25 knots becoming east. Rain.
Waves 2 to 4 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.MONDAY NIGHT...East winds to 30 knots becoming southeast 15 to
25 knots. Rain. Waves 4 to 7 feet subsiding to 3 to 5 feet. Waves
occasionally around 9 feet.
.TUESDAY...South winds 15 to 20 knots becoming west and
increasing to 30 knots. Rain showers likely during the day, then
rain and snow showers likely Tuesday night. Waves 1 to 3 feet
building to 5 to 8 feet. Waves occasionally around 10 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. A chance of snow showers. Waves
5 to 8 feet subsiding to 2 to 4 feet. Waves occasionally around
10 feet.
.THURSDAY...Northwest winds 5 to 15 knots becoming west. A chance
of snow showers during the day. Waves 1 to 3 feet.

$$

LOZ064-065-211615-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
354 AM EST Sun Jan 21 2018

.TODAY...Southwest winds 10 knots or less becoming southeast.
Waves in ice free areas 1 to 3 feet subsiding to 1 foot or less.
.TONIGHT...Southeast winds 10 knots or less becoming northeast. A
chance of rain showers after midnight. Waves 1 foot or less.
.MONDAY...Northeast winds 15 to 25 knots. Rain, freezing rain
likely with a chance of sleet in the morning, then rain and
freezing rain in the afternoon. Waves 1 to 3 feet building to
3 to 5 feet, then subsiding to 2 to 4 feet.
.MONDAY NIGHT...Northeast winds 15 to 20 knots becoming
southeast. A chance of rain and freezing rain in the evening,
then rain overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY...South winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. Rain showers likely during the day,
then lake effect rain and snow showers likely Tuesday night.
Waves 1 to 3 feet building to 5 to 8 feet. Waves occasionally
around 10 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. Lake effect snow showers likely
during the day, then a chance of snow showers Wednesday night.
Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves occasionally
around 10 feet.
.THURSDAY...Northwest winds 5 to 15 knots becoming north. Waves
1 to 3 feet.

Wave heights are for ice free areas.

$$

LOZ061-211615-
MAFOR 2110/
ONTARIO WEST 1/2 11610 12500 11300 12200 12110. A chance of rain
showers tonight. Waves 2 feet or less.

ONTARIO EAST 1/2 11610 12500 12300 12200 11210. A chance of rain
showers overnight. Waves 1 to 3 feet subsiding to 1 foot or less
today. Waves 2 feet or less tonight.

$$



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