Great Lakes Forecast
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000
FZUS61 KBUF 140541
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1230 AM EST Thu Dec 14 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 weak 29.4 inch low will move across northern Ohio
to Pennsylvania tonight before moving off the southern New
England coast on Thursday. A 30.1 inch high will then build into
the Ohio Valley Thursday night 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.

LOZ062-141000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1230 AM EST Thu Dec 14 2017

.OVERNIGHT...North winds 15 to 20 knots. A chance of snow.
Waves 2 to 4 feet.
.THURSDAY...North winds 15 to 20 knots becoming west. A chance of
snow showers in the afternoon. Waves 3 to 5 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots. A chance of snow
showers. Waves 3 to 5 feet.
.FRIDAY...Southwest winds 15 to 20 knots. A chance of snow
showers in the morning, then snow showers likely in the
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers likely. Waves 3 to 6 feet building to 5 to
8 feet. Waves occasionally around 10 feet.
.SATURDAY...Northwest winds to 30 knots becoming northeast and
diminishing to less than 10 knots. A chance of snow showers
during the day. Waves 5 to 8 feet subsiding to 2 feet or less.
Waves occasionally around 10 feet.
.SUNDAY...East winds 5 to 15 knots becoming southeast. A chance
of snow Sunday night. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of rain and snow. Waves 1 to 3 feet building
to 2 to 4 feet.

$$

LOZ063>065-141000-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1230 AM EST Thu Dec 14 2017

.OVERNIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots. A chance of snow. Waves 2 to 4 feet.
.THURSDAY...North winds 15 to 25 knots becoming northwest. A
chance of snow showers through early afternoon, then lake effect
snow showers likely late. Waves 3 to 5 feet building to 4 to
7 feet. Waves occasionally around 9 feet.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots. Lake effect snow showers likely in the evening,
then occasional lake effect snow overnight. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.FRIDAY...Southwest winds 15 to 20 knots. Lake effect snow
showers in the morning, then a chance of snow showers in the
afternoon. Waves 2 to 4 feet building to 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers. Waves 3 to 6 feet building to 6 to
9 feet. Waves occasionally around 11 feet.
.SATURDAY...Northwest winds to 30 knots becoming north and
diminishing to 5 to 15 knots. Lake effect snow showers likely
during the day. Waves 5 to 9 feet subsiding to 1 to 3 feet. Waves
occasionally around 11 feet.
.SUNDAY...East winds 5 to 15 knots becoming southeast. Snow and
rain likely Sunday night. Waves 2 feet or less.
.MONDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of rain and snow likely during the day, then a
chance of rain Monday night. Waves 1 to 3 feet building to 2 to
4 feet.

$$

LOZ061-141000-
MAFOR 1407 AMD/
ONTARIO WEST 1/2 12820 11710 11720 13620. A chance of snow
showers Thursday afternoon and Thursday evening. Waves 2 to 4
feet overnight. Waves 3 to 5 feet Thursday and Thursday evening.

ONTARIO EAST 1/2 12820 11710 11720 12730 11620. A chance of snow
overnight. A chance of snow showers Thursday. A chance of lake
effect snow showers Thursday evening. Waves 1 to 3 feet building
to 2 to 4 feet overnight. Waves 3 to 5 feet building to 4 to 7
feet, and occasionally around 9 feet Thursday. Waves 4 to 7 feet
subsiding to 3 to 6 feet, and occasionally around 9 feet Thursday
evening.

$$



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