Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 170610
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
110 AM EST Wed Jan 17 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 30.7 inch high centered over the
southern plains this morning will nose northeast across the Lower
Great Lakes this afternoon. The large surface high will then
drift to the east across the southern states Thursday and Friday.
The high will become anchored off the southeast coast Saturday and
Sunday.

LOZ062-171015-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
110 AM EST Wed Jan 17 2018

.OVERNIGHT...Southwest winds 15 to 20 knots. Lake effect
snow showers likely. Waves 2 to 4 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming southwest.
Scattered snow showers. Waves 2 to 4 feet building to 3 to
5 feet.
.WEDNESDAY NIGHT...Southwest winds to 30 knots. A chance of snow
showers. Waves 5 to 8 feet building to 6 to 9 feet. Waves
occasionally around 11 feet.
.THURSDAY...Southwest winds to 30 knots diminishing to 15 to
20 knots. A chance of snow showers in the morning. Waves 5 to
8 feet. Waves occasionally around 10 feet.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots. A chance of
snow showers overnight. Waves 3 to 6 feet subsiding to 2 to
4 feet.
.FRIDAY...Southwest winds 15 to 25 knots increasing to 30 knots.
Waves 3 to 6 feet building to 6 to 9 feet. Waves occasionally
around 11 feet.
.SATURDAY...Southwest winds 15 to 25 knots diminishing to 10 to
15 knots. A chance of rain showers Saturday night. Waves 5 to
8 feet subsiding to 2 to 4 feet. Waves occasionally around
10 feet.
.SUNDAY...Southwest winds 5 to 10 knots becoming southeast. A
chance of rain showers during the day, then rain likely Sunday
night. Waves 2 feet or less.

$$

LOZ063>065-171015-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
110 AM EST Wed Jan 17 2018

.OVERNIGHT...Southwest winds 15 to 20 knots becoming west.
Lake effect snow, then lake effect snow showers
likely late. Waves 1 to 3 feet building to 3 to 5 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming southwest. Lake
effect snow showers likely. Waves 3 to 6 feet.
.WEDNESDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. A chance of snow showers in the evening, then snow
showers likely overnight. Waves 5 to 8 feet building to 6 to
9 feet. Waves occasionally around 11 feet.
.THURSDAY...West winds to 30 knots diminishing to 15 to 25 knots.
A chance of snow showers. Waves 5 to 9 feet subsiding to 4 to
7 feet. Waves occasionally around 11 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots. A chance of snow
showers in the evening, then lake effect snow showers likely
overnight. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.FRIDAY...Southwest winds 15 to 25 knots. A chance of snow
showers. Waves 3 to 5 feet building to 5 to 8 feet. Waves
occasionally around 10 feet.
.SATURDAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain showers Saturday night. Waves 5 to
8 feet subsiding to 2 to 4 feet. Waves occasionally around
10 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming south. A chance
of rain and snow showers during the day, then a chance of rain
showers and freezing rain Sunday night. Waves 1 to 3 feet.

$$

LOZ061-171015-
MAFOR 1704/
ONTARIO WEST 1/2 12527 13620 11520 11530 11540. Scattered lake
effect snow showers overnight. Scattered snow showers Wednesday.
A chance of snow showers Wednesday evening. Waves 1 to 3 feet
building to 2 to 4 feet overnight. Waves 3 to 5 feet building to
3 to 6 feet Wednesday. Waves 5 to 8 feet, and occasionally around
10 feet Wednesday evening.

ONTARIO EAST 1/2 11517 14627 11620 12530. Scattered lake effect
snow showers Wednesday afternoon. A chance of snow showers
Wednesday evening. Waves 1 foot or less building to 3 to 5 feet
overnight. Waves 3 to 6 feet Wednesday. Waves 3 to 6 feet
building to 4 to 7 feet, and occasionally around 9 feet Wednesday
evening.

$$


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