Great Lakes Forecast
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000
FZUS61 KBUF 171448
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
948 AM EST Fri Nov 17 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...The axis of a 30.3 inch high will cross the lake
today. The high will push east across New England tonight...while
a broad 29.4 inch low will become organized over the central
plains. The low will deepen to 29.1 inches on Saturday while
advancing across the Mid West to Lake Erie. The storm will then
track across the lake Saturday night while further deepening to
28.9 inches. As the deep storm exits across the Saint lawrence
Valley on Sunday...expansive high pressure will build across the
Lower Mississippi Valley. The large high will cross the southern
states on Monday.

LOZ062-172230-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
948 AM EST Fri Nov 17 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
AFTERNOON...

.THIS AFTERNOON...Northwest winds 15 to 20 knots becoming
southwest 5 to 15 knots. Waves 2 to 4 feet subsiding to 1 to
2 feet.
.TONIGHT...South winds 5 to 15 knots. A chance of rain showers
late. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots. Rain. Waves 1 to 3 feet.
.SATURDAY NIGHT...South winds 15 to 20 knots becoming northwest
and increasing to 35 knot gales overnight. Rain. Waves 2 to
4 feet building to 8 to 11 feet. Waves occasionally around
14 feet.
.SUNDAY...Northwest gales to 35 knots becoming west and
diminishing to 30 knots. Lake effect rain and snow showers during
the day, then lake effect snow Sunday night. Waves 9 to 12 feet
subsiding to 4 to 6 feet. Waves occasionally around 15 feet.
.MONDAY...West winds 15 to 25 knots becoming southwest. Lake
effect snow showers likely during the day. Waves 3 to 6 feet.
.TUESDAY...Southwest winds to 30 knots becoming west. A chance of
rain showers Tuesday night. Waves 5 to 9 feet. Waves occasionally
around 11 feet.

$$

LOZ063>065-172230-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
948 AM EST Fri Nov 17 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
AFTERNOON...

.THIS AFTERNOON...Northwest winds 15 to 20 knots becoming west
10 to 15 knots. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.TONIGHT...Southwest winds 5 to 15 knots becoming south 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...South winds 15 to 25 knots. Rain. Waves 3 to 5 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots becoming west and
increasing to 35 knot gales overnight. Rain. Waves 3 to 5 feet
building to 7 to 10 feet. Waves occasionally around 13 feet.
.SUNDAY...Northwest gales to 40 knots diminishing to 30 knots.
Lake effect rain and snow showers during the day, then lake
effect snow Sunday night. Waves 10 to 13 feet subsiding to 6 to
9 feet. Waves occasionally around 16 feet.
.MONDAY...Northwest winds 15 to 25 knots becoming southwest.
Occasional lake effect snow during the day, then a chance of snow
showers Monday night. Waves 3 to 6 feet building to 4 to 7 feet,
then subsiding to 3 to 6 feet. Waves occasionally around 9 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. A chance of rain showers Tuesday night. Waves 4 to
7 feet building to 7 to 11 feet. Waves occasionally around
14 feet.

$$

LOZ061-172230-
MAFOR 1716/
ONTARIO WEST 1/2 11610 11600 11500 11410 11310 11410 11416 11426.
A chance of showers overnight. Waves 1 to 3 feet.

ONTARIO EAST 1/2 11710 11610 11600 11410 11420 11320 11430 11426.
Waves 2 to 4 feet subsiding to 1 to 3 feet this afternoon. Waves
1 to 3 feet building to 2 to 4 feet tonight. Waves 3 to 5 feet
Saturday morning.

$$


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