Great Lakes Forecast
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000
FZUS61 KBUF 181744
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1244 PM EST Mon Dec 18 2017

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 30.3 inch high will move off the Eastern Seaboard
today. On Tuesday, a 29.1 inch low will move from Hudson Bay to
northern Quebec and will sweep a cold front across Lake Ontario
Tuesday evening. A ridge of high pressure will then move across
the lower Great Lakes Wednesday through Thursday.

LOZ062-182215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1244 PM EST Mon Dec 18 2017

.THIS AFTERNOON...South winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. Rain. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots increasing to 30 knots.
Scattered rain showers with patchy drizzle. Waves 2 to 4 feet
building to 3 to 5 feet.
.TUESDAY...Southwest winds to 30 knots becoming west. Scattered
showers with patchy drizzle. Waves 4 to 7 feet building to 6 to
9 feet. Waves occasionally around 11 feet.
.TUESDAY NIGHT...West winds to 30 knots. A chance of rain showers
in the evening, then a chance of snow and rain showers overnight.
Waves 5 to 8 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots becoming north and
diminishing to 5 to 15 knots. A chance of snow showers. Waves
5 to 8 feet subsiding to 1 to 3 feet. Waves occasionally around
10 feet.
.THURSDAY...Northeast winds 5 to 10 knots becoming east and
increasing to 15 to 20 knots. A chance of snow Thursday night.
Waves 1 to 3 feet building to 3 to 6 feet.
.FRIDAY...Southeast winds 15 to 20 knots becoming south. A chance
of rain and snow during the day, then rain likely Friday night.
Waves 3 to 6 feet subsiding to 2 to 4 feet.

$$

LOZ063>065-182215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1244 PM EST Mon Dec 18 2017

.THIS AFTERNOON...South winds 5 to 15 knots becoming southwest.
Rain and freezing rain early, then rain late. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 25 knots. Rain with patchy
drizzle in the evening, then scattered rain showers with patchy
drizzle after midnight. Waves 1 to 3 feet building to 3 to
5 feet.
.TUESDAY...Southwest winds to 30 knots becoming west. Scattered
showers with patchy drizzle. Waves 3 to 6 feet building to 8 to
11 feet. Waves occasionally around 14 feet.
.TUESDAY NIGHT...West winds to 30 knots. Lake effect rain showers
likely in the evening, then lake effect snow and rain showers
likely overnight. Waves 7 to 11 feet subsiding to 6 to 9 feet.
Waves occasionally around 14 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 7 to 10 feet subsiding to 2 to 4 feet. Waves occasionally
around 13 feet.
.THURSDAY...Northeast winds 10 knots or less becoming east and
increasing to 15 to 20 knots. A chance of snow Thursday night.
Waves 2 feet or less building to 3 to 5 feet.
.FRIDAY...Southeast winds 15 to 25 knots becoming south. A chance
of rain and snow during the day, then rain likely Friday night.
Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.

$$

LOZ061-182215-
MAFOR 1816/
ONTARIO WEST 1/2 11406 11516 11526 12520 11530 12540. Scattered
showers with patchy drizzle tonight and Tuesday morning. Waves 1
to 3 feet this afternoon. Waves 2 to 4 feet building to 3 to 5
feet tonight. Waves 3 to 6 feet building to 4 to 7 feet, and
occasionally around 9 feet Tuesday morning.

ONTARIO EAST 1/2 11406 12516 11526 12520 11538 11540. Patchy
drizzle this evening, then scattered showers with patchy drizzle
overnight. Scattered showers with patchy drizzle Tuesday morning.
Waves 1 to 3 feet this afternoon. Waves 1 to 3 feet building to 3
to 5 feet tonight. Waves 3 to 6 feet building to 4 to 7 feet, and
occasionally around 9 feet Tuesday morning.

$$

HITCHCOCK



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