Great Lakes Forecast
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000
FZUS61 KBUF 230844
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
330 AM EST Tue Jan 23 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...A broad 29.4 inch low will advance from Lake Huron
to southwest Quebec today while deepening to 29.3 inches.
This system will push an occluded front across the lake today.
The 29.3 inch low will exiting across the Saint Lawrence Valley
tonight. As the low moves across the Canadian Maritimes on
Wednesday...a 30.5 inch ridge will move across the Upper Great
Lakes. The ridge will cross the Lower Great Lakes Thursday and
Thursday night...then will make its way across New England on
Friday.

LOZ062-063-231600-
Lake Ontario open waters from the Niagara River to Sodus Bay-
330 AM EST Tue Jan 23 2018

.TODAY...Southeast winds 15 to 25 knots becoming southwest. Rain
with a chance of thunderstorms early, then rain showers with a
chance of thunderstorms this morning. Rain showers likely this
afternoon. Waves 1 to 3 feet building to 3 to 5 feet.
.TONIGHT...Southwest winds to 30 knots becoming northwest. Rain
showers likely with a chance of snow showers in the evening, then
lake effect snow showers likely after midnight. Waves 4 to 7 feet
building to 6 to 10 feet. Waves occasionally around 13 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots diminishing to 10 to
15 knots. A chance of snow showers. Waves 6 to 9 feet subsiding
to 2 to 4 feet. Waves occasionally around 11 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots. A chance of
snow showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...Northwest winds 5 to 10 knots becoming south. A
chance of snow showers during the day. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 15 to
20 knots. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain showers during the day, then rain
showers likely Saturday night. Waves 2 to 4 feet subsiding to
1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ064-065-231600-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
330 AM EST Tue Jan 23 2018

.TODAY...Southeast winds 15 to 25 knots becoming southwest. Rain
with a chance of thunderstorms early, then numerous rain showers
with a chance of thunderstorms early. Rain showers from late
morning on. Waves in ice free areas 1 to 3 feet.
.TONIGHT...Southwest winds to 30 knots becoming west. Rain
showers likely early, then rain and snow showers likely late in
the evening. Lake effect snow showers likely after midnight.
Waves 3 to 6 feet building to 6 to 10 feet. Waves occasionally
around 13 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots diminishing to 10 to
15 knots. Lake effect snow showers likely in the morning, then a
chance of snow showers in the afternoon. Waves 6 to 9 feet
subsiding to 2 to 4 feet. Waves occasionally around 11 feet.
.WEDNESDAY NIGHT...Northwest winds 5 to 15 knots. A chance of
snow showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...Northwest winds 10 knots or less becoming northeast.
A chance of snow showers during the day. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 15 to
20 knots. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. A chance of rain showers during the day, then rain
showers likely Saturday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

Wave heights are for ice free areas.

$$

LOZ061-231600-
MAFOR 2310/
ONTARIO WEST 1/2 11416 11410 11520 11530 11540 12640 11740. A
chance of thunderstorms, then scattered showers early this
morning. A chance of rain and snow showers this evening, then a
chance of snow showers overnight. Waves 1 to 3 feet building to 3
to 5 feet today. Waves 5 to 8 feet building to 6 to 9 feet, and
occasionally around 11 feet tonight.

ONTARIO EAST 1/2 11426 11420 11410 12536 11646 12647. A chance of
rain and thunderstorms early, then scattered showers with a
chance of thunderstorms this morning. Waves 1 to 3 feet building
to 2 to 4 feet today. Waves 4 to 7 feet building to 6 to 10 feet,
and occasionally around 13 feet tonight.

$$


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