Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 231452
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
930 AM EST Thu Nov 23 2017

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 30.3 inch high across the mid Atlantic states will
move east off the coast on Friday. A 29.0 inch low will then move
from northern Ontario province Friday to northern Quebec
Saturday, with a trailing cold front crossing the lake Saturday
morning. A 30.3 inch high will then build from the upper
Mississippi Valley Saturday night to the Ohio Valley Sunday before
reaching the Mid Atlantic on Monday.

LOZ062-232200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
930 AM EST Thu Nov 23 2017

.REST OF TODAY...West winds 15 to 25 knots becoming southwest.
Waves 2 to 4 feet building to 3 to 5 feet.
.TONIGHT...West winds 15 to 25 knots becoming southwest. Waves
4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around
9 feet.
.FRIDAY...Southwest winds 15 to 25 knots. Waves 2 to 4 feet
building to 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. Showers likely overnight. Waves 3 to 6 feet building to
4 to 7 feet. Waves occasionally around 9 feet.
.SATURDAY...West winds 15 to 25 knots becoming northwest. Rain
showers likely during the day, then a chance of rain and snow
showers Saturday night. Waves 4 to 7 feet subsiding to 3 to
6 feet. Waves occasionally around 9 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west. A chance
of snow showers. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest. Waves
2 to 4 feet.

$$

LOZ063>065-232200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
930 AM EST Thu Nov 23 2017

.REST OF TODAY...West winds 10 to 15 knots becoming southwest
15 to 20 knots. A chance of rain and snow showers late this
morning. Waves 1 to 3 feet building to 3 to 6 feet.
.TONIGHT...Southwest winds 15 to 25 knots becoming west. Rain
showers likely early, then a chance of rain showers. Waves 5 to
8 feet. Waves occasionally around 10 feet.
.FRIDAY...Southwest winds 15 to 25 knots becoming south. Waves
3 to 5 feet.
.FRIDAY NIGHT...South winds 15 to 25 knots becoming southwest.
Showers likely overnight. Waves 3 to 6 feet building to 4 to
7 feet. Waves occasionally around 9 feet.
.SATURDAY...Southwest winds 15 to 25 knots becoming northwest.
Rain showers likely during the day, then a chance of rain and
snow showers Saturday night. Waves 4 to 7 feet. Waves
occasionally around 9 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west. Snow
showers likely during the day, then a chance of snow showers
Sunday night. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest. A chance
of snow showers during the day. Waves 1 to 3 feet building to
3 to 5 feet.

$$

LOZ061-232200-
MAFOR 2316/
ONTARIO WEST 1/2 12520 11530 12630 11620 11510 11520. Waves 2 to
4 feet building to 3 to 5 feet this afternoon. Waves 4 to 7 feet
subsiding to 3 to 6 feet, and occasionally around 9 feet tonight.
Waves 3 to 5 feet subsiding to 2 to 4 feet Friday morning.

ONTARIO EAST 1/2 12520 11530 12630 11620 12520. A chance of rain
and snow showers late this morning. A chance of rain showers this
evening. Waves 1 to 3 feet building to 3 to 6 feet this
afternoon. Waves 5 to 8 feet, and occasionally around 10 feet
tonight. Waves 3 to 5 feet Friday morning.

$$


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