Great Lakes Forecast
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000
FZUS61 KBUF 210546
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1246 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.

LOZ062-063-211030-
Lake Ontario open waters from the Niagara River to Sodus Bay-
1246 AM EST Sun Jan 21 2018

.OVERNIGHT...West winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SUNDAY...West winds 5 to 10 knots becoming light and variable. A
chance of drizzle in the afternoon. Waves 2 feet or less.
.SUNDAY NIGHT...East winds 10 knots or less increasing to 10 to
15 knots. A chance of rain. Waves 2 feet or less.
.MONDAY...East winds 15 to 20 knots. Rain. Waves 1 to 3 feet
building to 3 to 5 feet.
.MONDAY NIGHT...East winds 15 to 20 knots becoming south. Rain.
Waves 3 to 5 feet subsiding to 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. Rain showers 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 less than
10 knots. Scattered flurries during the day. Waves 2 to 4 feet
subsiding to 1 foot or less.

$$

LOZ064-065-211030-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
1246 AM EST Sun Jan 21 2018

.OVERNIGHT...Southwest winds 5 to 15 knots. Waves in ice
free areas 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...Southwest winds 10 knots or less becoming southeast. A
chance of drizzle late. Waves 1 to 3 feet subsiding to 1 foot or
less.
.SUNDAY NIGHT...Southeast winds 10 knots or less becoming
northeast. A chance of rain and snow in the evening, then a
chance of rain, freezing rain, snow and sleet overnight. Waves
1 foot or less.
.MONDAY...Northeast winds 10 to 15 knots becoming east. Rain
likely, a chance of freezing rain and sleet in the morning, then
rain in the afternoon. Waves 2 feet or less.
.MONDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots. Rain. Waves 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots becoming west and
increasing to 30 knots. Rain showers 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. 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 diminishing to less
than 10 knots. Scattered flurries during the day. Waves 2 to
4 feet subsiding to 1 foot or less.

Wave heights are for ice free areas.

$$

LOZ061-211030-
MAFOR 2104/
ONTARIO WEST 1/2 11510 12610 12500 11300 12200. A chance of
drizzle Sunday afternoon. A chance of rain Sunday evening. Waves
2 to 4 feet subsiding to 1 to 3 feet overnight. Waves 2 feet or
less Sunday and Sunday evening.

ONTARIO EAST 1/2 11510 12610 12500 12300 11200. A chance of
drizzle Sunday afternoon. A chance of rain Sunday evening. Waves
2 to 4 feet subsiding to 1 to 3 feet overnight. Waves 1 to 3 feet
subsiding to 1 foot or less Sunday. Waves 1 foot or less Sunday
evening.

$$


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