Great Lakes Forecast
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025
FZUS61 KBUF 271052
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
652 AM EDT Thu Jul 27 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 weak cold front will push south across the
the lake today. An expansive 30.2 inch high over the Northern Plains
states this morning will become anchored over the Upper Great Lakes
Friday and Saturday. The high will expand across the Lower Great
lakes on Sunday.

LOZ062-063-271515-
Lake Ontario open waters from the Niagara River to Sodus Bay-
652 AM EDT Thu Jul 27 2017

.TODAY...Southwest winds 5 to 15 knots becoming west. Showers
this morning...then a chance of showers and thunderstorms early
this afternoon. A chance of thunderstorms late. Waves 1 to
3 feet.
.TONIGHT...West winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. Waves 2 feet or less building to
2 to 4 feet.
.FRIDAY...Northeast winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Northeast winds 15 to 20 knots becoming north.
Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...Northeast winds 15 to 20 knots becoming north 5 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.SUNDAY...Northwest winds 10 knots or less becoming west. Waves
1 foot or less.
.MONDAY...West winds less than 10 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ064-065-271515-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
652 AM EDT Thu Jul 27 2017

.TODAY...Southwest winds 5 to 15 knots becoming west. Showers
this morning...then a chance of showers and thunderstorms early
this afternoon. A chance of thunderstorms late. Waves 1 to
3 feet.
.TONIGHT...West winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. A chance of thunderstorms early.
Waves 2 feet or less building to 2 to 4 feet.
.FRIDAY...Northeast winds 15 to 20 knots becoming north 10 to
15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.FRIDAY NIGHT...Northeast winds 15 to 20 knots becoming north.
Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...Northeast winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...North winds 10 knots or less becoming southwest. Waves
1 foot or less.
.MONDAY...Southwest winds 10 knots or less becoming west. Waves
1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-271515-
MAFOR 2709/
ONTARIO WEST 1/2 12516 11610 12600 11700 11810 11120. A chance of
thunderstorms this afternoon. Waves 1 to 3 feet.

ONTARIO EAST 1/2 12516 11610 13600 11710 11120. Scattered showers
early this morning. A chance of showers and thunderstorms this
afternoon. A chance of thunderstorms this evening. Waves 1 to 3
feet today. Waves 2 feet or less building to 2 to 4 feet tonight.

$$



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