Great Lakes Forecast
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000
FZUS61 KBUF 270535
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
130 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 a 29.9 inch frontal trough will push south across the
southern parts of Ontario this morning. This front will cross the
lake later today. An expansive 30.1 inch high over northern Ontario
tonight will become anchored over the Upper Great Lakes Friday and
Saturday. The high will expand across the Lower Great lakes on
Sunday.

LOZ062-063-270900-
Lake Ontario open waters from the Niagara River to Sodus Bay-
130 AM EDT Thu Jul 27 2017

.OVERNIGHT...Southwest winds 15 to 20 knots. Showers with a
chance of thunderstorms. Waves 1 foot or less.
.THURSDAY...West winds 15 to 20 knots diminishing to 5 to
15 knots. Showers with a chance of thunderstorms in the morning...
then a chance of showers and thunderstorms early in the
afternoon. A chance of thunderstorms late. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. Waves 1 to 3 feet building to 2 to
4 feet.
.FRIDAY...Northeast winds 15 to 20 knots. Waves 3 to 6 feet.
.FRIDAY NIGHT...Northeast winds 15 to 20 knots becoming north.
Waves 3 to 5 feet.
.SATURDAY...North winds 15 to 20 knots becoming northwest 5 to
15 knots. Waves 3 to 5 feet subsiding to 2 feet or less.
.SUNDAY...Northwest winds 10 knots or less becoming west. 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.

$$

LOZ064-065-270900-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
130 AM EDT Thu Jul 27 2017

.OVERNIGHT...Southwest winds 5 to 15 knots. Showers with a
chance of thunderstorms. Waves 1 foot or less.
.THURSDAY...Southwest winds 5 to 15 knots becoming west. Showers
with a chance of thunderstorms in the morning...then a chance of
showers and thunderstorms early in the afternoon. A chance of
thunderstorms late. Waves 1 to 3 feet building to 2 to 4 feet.
.THURSDAY NIGHT...West winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. A chance of thunderstorms in the
evening. Waves 1 to 3 feet building to 2 to 4 feet.
.FRIDAY...Northeast winds 15 to 20 knots. Waves 2 to 4 feet
building to 3 to 5 feet.
.FRIDAY NIGHT...Northeast winds 15 to 25 knots becoming north.
Waves 3 to 5 feet subsiding to 2 to 4 feet.
.SATURDAY...North winds 15 to 20 knots becoming northwest 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 foot or less.
.SUNDAY...Northwest winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-270900-
MAFOR 2706 AMD/
ONTARIO WEST 1/2 11526 11626 11616 11610 12600 11700. A chance of
thunderstorms overnight. A chance of thunderstorms in the
morning...then a chance of showers and thunderstorms Thursday
afternoon. Waves 1 foot or less overnight. Waves 1 to 3 feet
Thursday. Waves 2 feet or less Thursday evening.

ONTARIO EAST 1/2 11516 11526 11516 11610 13600. A chance of
thunderstorms overnight. A chance of thunderstorms in the
morning...then a chance of showers and thunderstorms Thursday
afternoon. A chance of thunderstorms Thursday evening. Waves 1
foot or less overnight. Waves 1 to 3 feet Thursday and Thursday
evening.

$$


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