Great Lakes Forecast
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000
FZUS61 KBUF 130838
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
438 AM EDT Sun Aug 13 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 30.2 inch high over the Canadian prairies today
will build across the Great Lakes region tomorrow and remain there
through Wednesday. Then a trough of low pressure averaging 29.7
inches is forecast to move across the Great Lakes region on
Thursday.

LOZ062-131530-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
438 AM EDT Sun Aug 13 2017

.TODAY...Northwest winds 5 to 10 knots becoming west. Waves 1 to
3 feet.
.TONIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less.
.MONDAY...Southwest winds 10 knots or less becoming east. Waves
1 foot or less.
.MONDAY NIGHT...East winds 5 to 10 knots becoming light and
variable. Waves 1 foot or less.
.TUESDAY...West winds less than 10 knots becoming northwest.
Waves 1 foot or less.
.WEDNESDAY...Northeast winds 10 knots or less becoming southeast.
A chance of showers and thunderstorms Wednesday night. Waves
1 foot or less.
.THURSDAY...Southeast winds 10 knots or less becoming north. A
chance of showers and thunderstorms during the day...then a
chance of showers Thursday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-131530-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
438 AM EDT Sun Aug 13 2017

.TODAY...Northwest winds 5 to 15 knots becoming west. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.TONIGHT...West winds 5 to 15 knots becoming southwest. Waves
1 to 2 feet.
.MONDAY...South winds 10 knots or less becoming east. Waves
1 foot or less.
.MONDAY NIGHT...East winds less than 10 knots. Waves 1 foot or
less.
.TUESDAY...West winds 10 knots or less. Waves 1 foot or less.
.WEDNESDAY...North winds 10 knots or less becoming east. A chance
of showers and thunderstorms Wednesday night. Waves 1 foot or
less.
.THURSDAY...East winds 5 to 10 knots becoming southwest. A chance
of showers and thunderstorms during the day...then a chance of
showers Thursday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-131530-
MAFOR 1309/
ONTARIO WEST 1/2 11710 11700 12600 11510 13500. Waves 1 to 3 feet
today. Waves 2 feet or less tonight.

ONTARIO EAST 1/2 11710 11700 11600 12610 13500. Waves 2 to 4 feet
subsiding to 1 to 3 feet today. Waves 1 to 2 feet tonight.

$$



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