Great Lakes Forecast
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679
FZUS61 KBUF 232309
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
609 PM 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 29.3 inch low will move into southwest Quebec this
evening and exit across the Saint Lawrence Valley late 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.

LOZ062-063-240415-
Lake Ontario open waters from the Niagara River to Sodus Bay-
609 PM EST Tue Jan 23 2018

.TONIGHT...Southwest winds to 30 knots becoming northwest. Rain
showers likely early, then a chance of snow and rain showers late
this evening. A chance of snow showers 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. Lake effect snow showers likely in the morning, then a
chance of snow showers in the afternoon. Waves 5 to 8 feet
subsiding to 2 to 4 feet. Waves occasionally around 10 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots becoming north
10 to 15 knots. A chance of snow showers in the evening. Waves
2 to 4 feet.
.THURSDAY...North winds 10 knots or less becoming west. Waves
1 to 3 feet subsiding to 1 foot or less.
.THURSDAY NIGHT...Southwest winds 10 knots or less becoming
southeast. Waves 1 foot or less.
.FRIDAY...Southeast winds 15 to 20 knots becoming southwest.
Waves 1 to 3 feet.
.SATURDAY...Southwest winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of rain showers during the day, then rain
showers likely Saturday night. Waves 1 to 3 feet building to 2 to
4 feet, then subsiding to 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northwest. Rain
showers likely during the day, then a chance of rain and snow
showers Sunday night. Waves 2 feet or less building to 2 to
3 feet.

$$

LOZ064-065-240415-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
609 PM EST Tue Jan 23 2018

.TONIGHT...Southwest winds 15 to 25 knots becoming northwest to
30 knots. Rain and snow showers likely this evening, then lake
effect snow showers likely after midnight. Waves in ice free
areas 3 to 6 feet building to 6 to 10 feet. Waves in ice free
areas 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 15 to 20 knots becoming north
10 to 15 knots. A chance of snow showers in the evening. Waves
2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots becoming west. Waves 1 to
3 feet subsiding to 1 foot or less.
.THURSDAY NIGHT...West winds 10 knots or less becoming south.
Waves 1 foot or less.
.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 5 to
15 knots. A chance of rain showers during the day, then rain
showers likely Saturday night. Waves 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northwest. Rain
showers likely during the day, then a chance of rain and snow
showers Sunday night. Waves 1 to 3 feet.

Wave heights are for ice free areas.

$$

LOZ061-240415-
MAFOR 2322/
ONTARIO WEST 1/2 11530 11640 12740 11730 11720 12710. A chance of
rain showers early, then a chance of rain and snow showers this
evening. Waves 3 to 5 feet building to 6 to 9 feet, and
occasionally around 11 feet tonight. Waves 4 to 7 feet subsiding
to 2 to 4 feet, and occasionally around 9 feet Wednesday.

ONTARIO EAST 1/2 11530 12640 11740 11730 12720 11710. A chance of
rain and snow showers this evening. A chance of snow showers
overnight. A chance of lake effect snow showers Wednesday. Waves
2 to 4 feet building to 6 to 10 feet, and occasionally around 13
feet tonight. Waves 6 to 9 feet subsiding to 2 to 4 feet, and
occasionally around 11 feet Wednesday.

$$



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