Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 212037
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
330 PM 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 coast will move off shore by Monday. 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.

LOZ062-063-220400-
Lake Ontario open waters from the Niagara River to Sodus Bay-
330 PM EST Sun Jan 21 2018

.TONIGHT...East winds 10 knots or less. Patchy drizzle. A chance
of rain late. Waves 1 foot or less.
.MONDAY...East winds 15 to 25 knots. Rain. Waves 2 feet or less
building to 3 to 6 feet.
.MONDAY NIGHT...East winds 15 to 20 knots becoming south. Rain.
Waves 3 to 5 feet subsiding to 1 to 3 feet.
.TUESDAY...South winds 15 to 25 knots becoming southwest. Rain
showers likely. Waves 1 to 3 feet building to 3 to 5 feet.
.TUESDAY NIGHT...West winds to 30 knots becoming northwest. Rain
and snow showers likely in the evening, then a chance of snow
showers overnight. Waves 3 to 6 feet building to 5 to 9 feet.
Waves occasionally around 11 feet.
.WEDNESDAY...Northwest winds to 30 knots becoming north and
diminishing to 10 to 15 knots. A chance of snow showers. Waves
6 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around
11 feet.
.THURSDAY...Northwest winds 5 to 15 knots becoming east. A chance
of snow showers during the day. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 5 to 15 knots becoming south. Waves
1 to 3 feet.

$$

LOZ064-065-220400-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
330 PM EST Sun Jan 21 2018

.TONIGHT...Southeast winds less than 10 knots becoming east. A
chance of flurries with patchy drizzle after midnight. A chance
of rain, snow and sleet late. Patchy fog late. Waves in ice free
areas 1 foot or less.
.MONDAY...Northeast winds 5 to 15 knots becoming east. Patchy fog
early. A chance of snow, rain and sleet early, then rain and
freezing rain from late morning on. Waves 2 feet or less.
.MONDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots. Rain and freezing rain in the evening, then rain
overnight. Waves 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots becoming southwest. Showers
likely. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY NIGHT...Southwest winds 15 to 25 knots becoming
northwest to 30 knots. Rain and snow showers likely in the
evening, then lake effect snow showers likely overnight. Waves
3 to 5 feet building to 5 to 9 feet. Waves occasionally around
11 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. Lake effect snow showers likely
during the day, then a chance of snow showers Wednesday night.
Waves 6 to 9 feet subsiding to 3 to 5 feet. Waves occasionally
around 11 feet.
.THURSDAY...Northwest winds 5 to 15 knots becoming north. A
chance of snow showers during the day. Waves 1 to 3 feet.
.FRIDAY...East winds 5 to 15 knots becoming south. Waves 1 to
3 feet.

Wave heights are for ice free areas.

$$

LOZ061-220400-
MAFOR 2122/
ONTARIO WEST 1/2 12200 12100 11210 12226 11236. A chance of rain
with patchy drizzle overnight. Waves 1 foot or less tonight.
Waves 1 to 2 feet building to 3 to 6 feet Monday.

ONTARIO EAST 1/2 12300 13200 11216 12226. A chance of rain with
patchy drizzle overnight. A chance of rain, freezing rain and
snow Monday morning. Waves 1 foot or less tonight. Waves 1 to 3
feet building to 2 to 4 feet Monday.

$$


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