Great Lakes Forecast
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426
FZUS61 KBUF 170835
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
430 AM EDT Tue Apr 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...
A 29.3 inch low will move eastward across southern Quebec this
morning and afternoon, then make its way towards Atlantic Canada
tonight and tomorrow. Another 29.2 inch low will enter the Great
Lakes region late Wednesday, sending a warm front across the region
Wednesday night, followed by a cold front Thursday.

LOZ062-171500-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
430 AM EDT Tue Apr 17 2018

.TODAY...West winds 20 to 25 knots. A chance of rain and snow
showers this morning, then snow showers with a chance of rain
showers this afternoon. Waves 5 to 8 feet. Waves occasionally
around 10 feet.
.TONIGHT...West winds 20 to 25 knots. A chance of rain showers
through the early overnight. Waves 5 to 8 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...West winds 15 to 25 knots. Waves 4 to 7 feet
subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.WEDNESDAY NIGHT...West winds 5 to 15 knots becoming northeast.
Rain showers likely in the evening, then rain and snow showers
overnight. Waves 1 to 3 feet subsiding to 1 foot or less.
.THURSDAY...Northeast winds 10 to 15 knots becoming northwest
15 to 20 knots. Rain and snow showers during the day, then rain
showers likely with a chance of snow showers Thursday night.
Waves 1 to 3 feet building to 3 to 5 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of snow showers during the day. Waves 3 to
5 feet subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots becoming north. Waves
1 to 2 feet.

$$

LOZ063>065-171500-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
430 AM EDT Tue Apr 17 2018

.TODAY...West winds 15 to 25 knots. Snow showers likely with a
chance of rain showers. Waves 5 to 9 feet. Waves occasionally
around 11 feet.
.TONIGHT...West winds 15 to 25 knots increasing to 30 knots. A
chance of rain and snow showers likely through the early
overnight, then a chance of rain and snow showers late. Waves
5 to 9 feet building to 7 to 10 feet. Waves occasionally around
13 feet.
.WEDNESDAY...West winds 15 to 25 knots. A chance of rain and snow
showers in the morning. Waves 7 to 10 feet subsiding to 5 to
8 feet. Waves occasionally around 13 feet.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming east and
diminishing to 10 knots or less overnight. A chance of rain
showers in the evening, then rain and snow showers overnight.
Waves 3 to 6 feet subsiding to 1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming northwest
15 to 20 knots. Rain and snow showers during the day, then rain
showers with a chance of snow showers Thursday night. Waves
2 feet or less building to 3 to 6 feet.
.FRIDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of rain and snow showers during the day, then
a chance of rain showers Friday night. Waves 3 to 5 feet
subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Waves 2 feet or less.

$$

LOZ061-171500-
MAFOR 1709/
ONTARIO WEST 1/2 13630 11637 14630. Chance of rain and snow
showers this morning, then chance of rain showers this afternoon.
Chance of rain showers this evening. Waves 6 to 9 feet, and
occasionally around 9 feet.

ONTARIO EAST 1/2 13630 14637 11630. Chance of snow and rain
showers this morning, then chance of rain showers this afternoon.
Chance of rain showers this evening, then chance of rain and snow
showers overnight. Waves 5 to 9 feet, and occasionally around 11
feet today. Waves 5 to 9 feet building to 7 to 10 feet, and
occasionally around 13 feet tonight.

$$



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