Great Lakes Forecast
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000
FZUS61 KBUF 181031
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
631 AM EDT Fri May 18 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 30.5 inch high will move east across Quebec today and across
Maine and the Canadian Maritimes tonight. A weak 29.9 inch low
over the Ohio Valley tonight will move into the central Great
Lakes Saturday before reaching Quebec Saturday night. A cold front
trailing this low will cross the lake early Sunday morning. A
30.2 inch high will then build into the Great Lakes Sunday night
and Monday, shifting east of the Lake on Tuesday.

LOZ062-181530-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
631 AM EDT Fri May 18 2018

.TODAY...Northeast winds 15 to 20 knots becoming east. Waves 3 to
6 feet.
.TONIGHT...East winds 15 to 20 knots. A chance of rain after
midnight. Rain late. Waves 3 to 5 feet.
.SATURDAY...East winds 15 to 20 knots diminishing to 10 to
15 knots. Rain in the morning, then rain with a chance of
thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.SATURDAY NIGHT...East winds 10 knots or less becoming west.
Showers likely with a chance of thunderstorms. Waves 2 feet or
less.
.SUNDAY...West winds 5 to 10 knots becoming northwest. Waves
1 foot or less.
.MONDAY...Northwest winds 10 knots or less becoming northeast. A
chance of showers Monday night. Waves 1 foot or less.
.TUESDAY...East winds 10 knots or less becoming north. A chance
of showers and thunderstorms. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-181530-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
631 AM EDT Fri May 18 2018

.TODAY...Northeast winds 15 to 20 knots. Waves 3 to 5 feet.
.TONIGHT...Northeast winds 15 to 20 knots becoming east 10 to
15 knots. Rain likely late. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.SATURDAY...Southeast winds 15 to 20 knots diminishing to 10 to
15 knots. Rain in the morning, then rain with a chance of
thunderstorms in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 15 knots becoming
southwest. Showers with a chance of thunderstorms. Waves 2 feet
or less.
.SUNDAY...West winds 5 to 10 knots. A chance of showers during
the day. Waves 1 foot or less.
.MONDAY...West winds 10 knots or less becoming northeast. A
chance of showers Monday night. Waves 1 foot or less.
.TUESDAY...East winds 10 knots or less becoming northwest. A
chance of showers and thunderstorms. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-181530-
MAFOR 1809/
ONTARIO WEST 1/2 13120 14220 11220. A chance of rain overnight.
Waves 3 to 6 feet.

ONTARIO EAST 1/2 14120 12110 12210. Waves 2 to 4 feet building to
3 to 5 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet
tonight.

$$



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