Great Lakes Forecast
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000
FZUS61 KBUF 181045
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
645 AM EDT Sun Jun 18 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 29.4 inch low over the upper Great Lakes will move
to western Quebec by Monday, dragging a cold front across the lake
late today. A 30.1 inch high will build across the Ohio Valley
late Monday through Tuesday before building northward into the
Lower Great Lakes and New England Wednesday.

LOZ062-181515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
645 AM EDT Sun Jun 18 2017

.TODAY...South winds 10 to 15 knots becoming southwest 15 to 20
knots. A chance of showers and thunderstorms this afternoon.
Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots diminishing to around
10 knots. Showers likely with a chance of thunderstorms through
the early overnight...then a chance of showers and thunderstorms
late. Waves 1 to 2 feet.
.MONDAY...Southwest winds 5 to 15 knots. Waves 1 to 2 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers and thunderstorms during the day...then a chance of
showers Tuesday night. Waves 1 to 3 feet.
.WEDNESDAY...West winds 5 to 10 knots becoming southwest. A
chance of showers. Waves 1 to 2 feet.
.THURSDAY...South winds 5 to 10 knots becoming southwest. A
chance of showers and thunderstorms during the day...then a
chance of showers Thursday night. Waves around 1 foot.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-181515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
645 AM EDT Sun Jun 18 2017

.TODAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of showers and thunderstorms early this
afternoon. Showers likely with a chance of thunderstorms late.
Waves 2 feet or less.
.TONIGHT...Southwest winds 5 to 10 knots becoming south 10 to
15 knots. Showers and thunderstorms. Some thunderstorms may
produce gusty winds. Waves 1 to 3 feet.
.MONDAY...Southwest winds 5 to 15 knots becoming west. Showers
likely with a chance of thunderstorms in the morning...then a
chance of showers and thunderstorms in the afternoon. Waves 1 to
3 feet subsiding to 1 foot or less.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming southwest. A
chance of showers during the day. Waves 1 to 3 feet.
.THURSDAY...Southwest winds 5 to 10 knots. 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.

$$

LOZ061-181515-
MAFOR 1809/
ONTARIO WEST 1/2 12410 12520 11510 11526 11520 11510. A chance of
showers and thunderstorms this afternoon. A chance of
thunderstorms in the evening...then a chance of showers and
thunderstorms overnight. Waves 1 to 3 feet.

ONTARIO EAST 1/2 11420 12410 11510 11506 12529 11419. A chance of
showers and thunderstorms this afternoon. Waves 2 feet or less
today. Waves 1 to 3 feet tonight.

$$



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