Great Lakes Forecast
Issued by NWS

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043
FZUS61 KBUF 081729
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1229 PM EST Fri Dec 8 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 29.6 inch low over western Quebec will track
northeastward toward Labrador through tonight. Another 29.6 inch
low will then move from the Upper Great Lakes across the lake
late Saturday and Saturday night. 30.2 inch high pressure over the
Tennessee Valley will briefly nudge toward the lower lakes on
Sunday. A cold front will drop across the lake on Monday.

LOZ062-082200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1229 PM EST Fri Dec 8 2017

.THIS AFTERNOON...Southwest winds to 30 knots. Scattered flurries
early. Waves 5 to 9 feet. Waves occasionally around 11 feet.
.TONIGHT...West winds to 30 knots becoming southwest and
diminishing to 10 to 15 knots. Waves 5 to 9 feet subsiding to
3 to 6 feet. Waves occasionally around 11 feet.
.SATURDAY...South winds 5 to 15 knots becoming southwest. Waves
2 to 4 feet subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest 15 to 20 knots. Snow showers likely. Waves 1 to 2 feet
building to 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 25 knots. A chance of flurries
during the day, then a chance of snow showers Sunday night. Waves
3 to 6 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.MONDAY...North winds 15 to 20 knots becoming east. A chance of
snow during the day, then snow likely Monday night. Waves 3 to
5 feet subsiding to 2 to 4 feet.
.TUESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots. Snow during the day, then snow showers likely Tuesday
night. Waves 2 to 4 feet.

$$

LOZ063>065-082200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1229 PM EST Fri Dec 8 2017

.THIS AFTERNOON...Southwest winds to 30 knots. Waves 5 to 8 feet.
Waves occasionally around 10 feet.
.TONIGHT...Southwest winds to 30 knots diminishing to 15 to
25 knots. Scattered flurries from late evening on. Waves 5 to
9 feet subsiding to 3 to 6 feet. Waves occasionally around
11 feet.
.SATURDAY...South winds 5 to 15 knots. Waves 3 to 5 feet
subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest 15 to 20 knots. A chance of snow showers in the
evening, then snow overnight. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west. Snow
during the day, then snow showers likely Sunday night. Waves 5 to
8 feet. Waves occasionally around 10 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming southeast 5 to
15 knots. A chance of snow during the day, then snow likely
Monday night. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves
occasionally around 9 feet.
.TUESDAY...West winds 10 to 15 knots becoming north. Snow during
the day, then snow showers likely Tuesday night. Waves 1 to 3
feet building to 2 to 4 feet.

$$

LOZ061-082200-
MAFOR 0816/
ONTARIO WEST 1/2 11530 12540 11630 11620 11520 12510. Waves 5 to
8 feet building to 6 to 9 feet, and occasionally around 11 feet
this afternoon. Waves 5 to 9 feet subsiding to 3 to 5 feet, and
occasionally around 11 feet tonight. Waves 2 to 4 feet Saturday
morning.

ONTARIO EAST 1/2 14530 11530 11520 11510 11410. Waves 5 to 8
feet, and occasionally around 10 feet this afternoon. Waves 5 to 9
feet subsiding to 3 to 6 feet, and occasionally around 11 feet
tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Saturday
morning.

$$

JJR



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