Great Lakes Forecast
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000
FZUS61 KBUF 171128
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
628 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.

LOZ062-171600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
628 AM EST Fri Nov 17 2017

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

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

$$

LOZ063>065-171600-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
628 AM EST Fri Nov 17 2017

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

.TODAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 15 knots becoming south 15 to
20 knots. Waves 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 building to 7
to 10 feet. Waves occasionally around 13 feet.
.SUNDAY...Northwest gales to 40 knots. Lake effect rain and snow
showers during the day, then lake effect snow Sunday night. Waves
10 to 13 feet. Waves occasionally around 16 feet.
.MONDAY...Northwest winds 15 to 25 knots. Occasional lake effect
snow. Waves 4 to 7 feet. Waves occasionally around 9 feet.
.TUESDAY...Southwest winds 15 to 25 knots. A chance of rain
showers Tuesday night. Waves building to 7 to 11 feet. Waves
occasionally around 14 feet.

$$

LOZ061-171600-
MAFOR 1710 AMD/
ONTARIO WEST 1/2 11720 11710 11610 11600 11500 11410 11310 11410.
Waves 3 to 6 feet subsiding to 1 to 3 feet today. Waves 1 to 3
feet tonight.

ONTARIO EAST 1/2 11730 11720 11710 11610 11600 11410 11420 11320.
Waves 4 to 7 feet subsiding to 1 to 3 feet, and occasionally
around 9 feet today. Waves 1 to 3 feet building to 2 to 4 feet
tonight.

$$

CHURCH/JJR/RSH



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