FZUS61 KBUF 171731
GLFLO 

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1231 PM EST Sun Jan 17 2021

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 28.9 inch surface low over New Brunswick Canada will
lift northward to northern Quebec and Labrador Canada by Tuesday 
while a weak low pressure of 29.7 inches crosses the Great Lakes. 
A 30.2 inch high pressure ridge will then cross the Great Lakes 
later Tuesday into Wednesday before low pressure of 29.3 inches 
tracks across northern Ontario and the Upper Great Lakes on 
Thursday.

LOZ062-172230-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1231 PM EST Sun Jan 17 2021

.THIS AFTERNOON...West winds 15 to 25 knots. A chance of rain
showers and snow. Waves 5 to 8 feet. Waves occasionally around
10 feet. 
.TONIGHT...Northwest winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of snow showers through the early overnight.
Waves 3 to 6 feet subsiding to 1 to 3 feet. 
.MONDAY...Northwest winds 10 to 15 knots. A chance of snow
showers in the afternoon. Waves 1 to 3 feet. 
.MONDAY NIGHT...Northwest winds 5 to 15 knots becoming west. A
chance of snow showers in the evening, then snow showers likely
overnight. Waves 1 to 3 feet. 
.TUESDAY...West winds 15 to 25 knots. Snow showers likely. Waves
3 to 5 feet building to 5 to 8 feet. Waves occasionally around
10 feet. 
.WEDNESDAY...Northwest winds 15 to 20 knots becoming southwest. A
chance of snow showers during the day. Waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.THURSDAY...Southwest winds 15 to 20 knots becoming west. Snow
showers likely during the day, then a chance of snow showers
Thursday night. Waves 2 to 4 feet building to 3 to 5 feet. 

$$

LOZ063>065-172230-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1231 PM EST Sun Jan 17 2021

.THIS AFTERNOON...West winds to 30 knots. Rain showers and snow
likely. Waves 7 to 11 feet. Waves occasionally around 14 feet. 
.TONIGHT...Northwest winds 15 to 20 knots diminishing to 5 to
15 knots. Snow showers likely early, then a chance of snow
showers from late evening on. Waves 5 to 8 feet subsiding to 2 to
4 feet. Waves occasionally around 10 feet. 
.MONDAY...Northwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of snow showers in the morning. Waves 1 to
3 feet building to 2 to 4 feet. 
.MONDAY NIGHT...Northwest winds 5 to 15 knots. A chance of snow
showers. Waves 2 to 4 feet subsiding to 1 to 3 feet. 
.TUESDAY...West winds 15 to 25 knots. Snow showers. Waves 2 feet
or less building to 5 to 8 feet. Waves occasionally around
10 feet. 
.WEDNESDAY...Northwest winds 15 to 25 knots becoming south and
diminishing to 10 to 15 knots. A chance of snow showers during
the day. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves
occasionally around 9 feet. 
.THURSDAY...Southwest winds 15 to 20 knots becoming west. Snow
showers likely during the day, then a chance of snow showers
Thursday night. Waves 2 to 4 feet building to 3 to 5 feet. 

$$

LOZ061-172230-
MAFOR 1716/
ONTARIO WEST 1/2 12630 11720 12710 11700 12710. A chance of rain
and snow showers this afternoon. A chance of snow showers this
evening. Waves 5 to 9 feet, and occasionally around 11 feet this
afternoon. Waves 4 to 7 feet subsiding to 1 to 3 feet, and
occasionally around 9 feet tonight. Waves 1 to 3 feet Monday
morning. 

ONTARIO EAST 1/2 11647 11630 11637 11720 11710 11700 12710. Waves
7 to 11 feet, and occasionally around 14 feet this afternoon.
Waves 5 to 8 feet subsiding to 2 to 4 feet, and occasionally
around 10 feet tonight. Waves 1 to 3 feet Monday morning. 

$$

JLA