Great Lakes Forecast
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049
FZUS61 KBUF 150535
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1230 AM EST Fri Dec 15 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 30.1 inch high will build into the Ohio Valley
tonight before moving off the Mid Atlantic coast Friday. A 29.6
inch low will then move from near Lake Huron Friday to New England
by Saturday. Then a 30.5 inch high will build across southern
Ontario Saturday night and into New England Sunday.

LOZ062-151000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1230 AM EST Fri Dec 15 2017

.OVERNIGHT...West winds 10 to 15 knots. Scattered snow
showers. Waves 2 to 4 feet.
.FRIDAY...Southwest winds 15 to 20 knots. A chance of snow
showers in the morning, then snow showers likely early in the
afternoon. Lake effect snow late. Waves 2 to 4 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. Snow in the evening, then scattered snow
showers overnight. Waves 2 to 4 feet building to 6 to 10 feet.
Waves occasionally around 13 feet.
.SATURDAY...West winds to 30 knots becoming north and diminishing
to 10 to 15 knots in the afternoon. Snow showers likely in the
morning, then a chance of snow showers in the afternoon. Waves
6 to 9 feet subsiding to 1 to 3 feet. Waves occasionally around
11 feet.
.SATURDAY NIGHT...Northeast winds 5 to 15 knots becoming east. A
chance of snow showers in the evening. Waves 1 to 3 feet.
.SUNDAY...East winds 5 to 15 knots becoming southeast. A chance
of snow showers Sunday night. Waves 1 to 3 feet.
.MONDAY...South winds 5 to 15 knots becoming southwest. A chance
of rain and snow showers during the day, then a chance of rain
showers Monday night. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots becoming west and
increasing to 30 knots. Rain likely during the day, then a chance
of snow showers Tuesday night. Waves 1 to 3 feet building to 5 to
8 feet. Waves occasionally around 10 feet.

$$

LOZ063>065-151000-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1230 AM EST Fri Dec 15 2017

.OVERNIGHT...West winds 15 to 20 knots. Snow showers. Waves
3 to 5 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south. Lake
effect snow showers early, then a chance of snow showers late in
the morning. A chance of snow showers late. Waves 2 to 4 feet
building to 3 to 5 feet.
.FRIDAY NIGHT...South winds 15 to 25 knots becoming west to
30 knots. Snow showers likely in the evening, then lake effect
snow overnight. Waves 3 to 6 feet building to 8 to 11 feet. Waves
occasionally around 14 feet.
.SATURDAY...West winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots in the afternoon. Lake effect snow
in the morning, then a chance of snow showers in the afternoon.
Waves 8 to 11 feet subsiding to 3 to 6 feet. Waves occasionally
around 14 feet.
.SATURDAY NIGHT...North winds 5 to 15 knots becoming east. Waves
2 to 4 feet subsiding to 2 feet or less.
.SUNDAY...East winds 5 to 15 knots. A chance of snow showers
Sunday night. Waves 1 to 3 feet.
.MONDAY...Southeast winds 5 to 15 knots becoming southwest. A
chance of rain and snow showers during the day, then a chance of
rain showers Monday night. Waves 1 to 3 feet.
.TUESDAY...South winds 15 to 20 knots becoming west and
increasing to 30 knots. Rain likely during the day, then a chance
of snow showers Tuesday night. Waves 1 to 3 feet building to 5 to
9 feet. Waves occasionally around 11 feet.

$$

LOZ061-151000-
MAFOR 1507 AMD/
ONTARIO WEST 1/2 11610 11520 12510 11517 11527 11530. A chance of
snow showers overnight. Waves 2 to 4 feet overnight and Friday.
Waves 2 to 4 feet building to 3 to 5 feet Friday evening.

ONTARIO EAST 1/2 11627 12527 11520 11420 11427 11537. Scattered
snow showers Friday afternoon. Waves 3 to 5 feet overnight. Waves
2 to 4 feet building to 3 to 5 feet Friday. Waves 3 to 5 feet
Friday evening.

$$



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