Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 230537
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1230 AM EST Thu Nov 23 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 30.3 inch high over the Ohio Valley will build to the
Mid Atlantic coast today and remain in place through Friday. A 29.0
inch low will then move from northern Ontario province Friday to
northern Quebec Saturday, with a trailing cold front crossing the
lake Saturday morning. A 30.3 inch high will then build from the
upper Mississippi Valley Saturday night to the Ohio Valley Sunday
before reaching the Mid Atlantic on Monday.

LOZ062-231000-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1230 AM EST Thu Nov 23 2017

.OVERNIGHT...Northwest winds 5 to 15 knots becoming west.
Scattered flurries late. Waves 2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. Waves 2 to 4 feet building to 3 to
6 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots becoming southwest.
Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.
.FRIDAY...Southwest winds 15 to 25 knots. Waves 2 to 4 feet
building to 3 to 5 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots. A chance of
showers in the evening, then showers likely overnight. Waves 3 to
6 feet.
.SATURDAY...West winds 15 to 20 knots becoming northwest. Rain
showers likely during the day, then snow and rain showers likely
Saturday night. Waves 3 to 6 feet subsiding to 3 to 5 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. Snow showers likely during the
day, then a chance of snow showers Sunday night. Waves 3 to
5 feet subsiding to 1 to 2 feet.
.MONDAY...Southwest winds 15 to 20 knots. Waves 2 to 4 feet.

$$

LOZ063>065-231000-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1230 AM EST Thu Nov 23 2017

.OVERNIGHT...Northwest winds 15 to 20 knots diminishing to
5 to 10 knots. Scattered flurries. Waves 3 to 5 feet subsiding to
2 to 4 feet.
.THURSDAY...West winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of snow showers early, then a chance of snow
and rain showers late in the morning. A chance of rain showers
early in the afternoon. Waves 2 to 4 feet building to 3 to
6 feet.
.THURSDAY NIGHT...Southwest winds 15 to 25 knots becoming west. A
chance of rain showers in the evening, then scattered snow
showers with a chance of rain showers overnight. Waves 4 to
7 feet subsiding to 3 to 6 feet. Waves occasionally around
9 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south. Waves
3 to 5 feet.
.FRIDAY NIGHT...South winds 15 to 25 knots becoming southwest. A
chance of showers overnight. Waves 3 to 6 feet.
.SATURDAY...Southwest winds 15 to 25 knots becoming northwest.
Rain showers likely during the day, then snow and rain showers
likely Saturday night. Waves 3 to 6 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Snow showers likely during the day, then a chance of
snow showers Sunday night. Waves 3 to 6 feet subsiding to 1 to
3 feet.
.MONDAY...West winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of snow showers during the day. Waves 1 to
3 feet building to 3 to 5 feet.

$$

LOZ061-231000-
MAFOR 2307 AMD/
ONTARIO WEST 1/2 13610 12520 11530 11630. Waves 2 to 3 feet
overnight. Waves 2 to 4 feet building to 3 to 6 feet Thursday.
Waves 4 to 7 feet, and occasionally around 9 feet Thursday
evening.

ONTARIO EAST 1/2 11710 11600 11610 12520 11530 11630. A chance of
snow showers Thursday morning, then a chance of rain showers
Thursday afternoon. A chance of showers Thursday evening. Waves 2
to 4 feet overnight. Waves 2 to 4 feet building to 3 to 6 feet
Thursday. Waves 4 to 7 feet, and occasionally around 9 feet
Thursday evening.

$$


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