Great Lakes Forecast
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000
FZUS61 KBUF 302037
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
337 PM EST Wed Nov 30 2022

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 28.9 inch low near James Bay will lift across
northern Quebec through Thursday while a strong cold front
crossing the lake exits off the east coast. A 30.5 inch high will
build into the Ohio Valley on Thursday and then across the Mid-
Atlantic Coast on Friday. A 29.3 inch low will then track across
Quebec on Saturday, dragging another cold front across the lake
late in the day.

LOZ062-010415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
337 PM EST Wed Nov 30 2022

...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...West gales to 40 knots. A chance of rain showers
early, then a chance of snow and rain showers late this evening.
A chance of snow showers after midnight. Waves 13 to 17 feet.
Waves occasionally around 22 feet.
.THURSDAY...West gales to 40 knots diminishing to 30 knots. A
chance of snow showers through early afternoon. Waves 13 to
17 feet subsiding to 10 to 14 feet. Waves occasionally around
22 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots becoming southwest
and diminishing to 10 to 15 knots. Waves 6 to 9 feet subsiding to
1 to 3 feet. Waves occasionally around 11 feet.
.FRIDAY...South winds 10 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 15 to 25 knots becoming southwest to
30 knots. A chance of showers in the evening, then showers likely
overnight. Waves 2 to 4 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.SATURDAY...West gales to 35 knots diminishing to 30 knots. Rain
showers likely during the day, then a chance of rain showers
Saturday night. Waves 7 to 10 feet building to 10 to 14 feet,
then subsiding to 8 to 11 feet. Waves occasionally around
18 feet.
.SUNDAY...West winds 15 to 20 knots becoming southwest. Waves
3 to 6 feet subsiding to 2 to 4 feet.
.MONDAY...Southwest winds 5 to 15 knots becoming south. A chance
of rain Monday night. Waves 1 to 3 feet.

$$

LOZ063>065-010415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
337 PM EST Wed Nov 30 2022

...GALE WARNING IN EFFECT THROUGH THURSDAY AFTERNOON...

.TONIGHT...West gales to 40 knots. A chance of rain showers
early, then snow showers likely with a chance of rain showers
late this evening. Snow showers likely after midnight. Waves
15 to 20 feet. Waves occasionally around 26 feet.
.THURSDAY...West gales to 40 knots diminishing to 35 knots. Snow
showers likely in the morning, then rain and snow showers likely
early in the afternoon. A chance of rain showers late. Waves
16 to 21 feet subsiding to 13 to 17 feet. Waves occasionally
around 27 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots becoming southwest
and diminishing to 10 to 15 knots. A chance of rain showers.
Waves 10 to 13 feet subsiding to 2 to 4 feet. Waves occasionally
around 16 feet.
.FRIDAY...South winds 15 to 25 knots. Waves 1 to 3 feet building
to 3 to 6 feet.
.FRIDAY NIGHT...South winds to 30 knots. A chance of showers in
the evening, then showers likely overnight. Waves 5 to 9 feet
building to 7 to 10 feet. Waves occasionally around 13 feet.
.SATURDAY...Southwest gales to 40 knots becoming west. Rain
showers likely. Waves 8 to 11 feet building to 14 to 18 feet,
then subsiding to 10 to 14 feet. Waves occasionally around
23 feet.
.SUNDAY...West winds 15 to 20 knots becoming southwest. Waves
6 to 9 feet subsiding to 3 to 5 feet. Waves occasionally around
11 feet.
.MONDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots. A chance of rain Monday night. Waves 2 to 4 feet
subsiding to 1 to 3 feet.

$$

LOZ061-010415-
MAFOR 3022/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...15650 11650 11640. A
chance of rain and snow showers this evening. A chance of snow
showers overnight. A chance of snow showers Thursday morning.
Waves 14 to 19 feet, and occasionally around 24 feet tonight.
Waves 14 to 19 feet subsiding to 10 to 13 feet, and occasionally
around 24 feet Thursday.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...12650 12658 12650
11658 11650. Waves 14 to 18 feet building to 15 to 20 feet, and
occasionally around 26 feet tonight. Waves 16 to 21 feet
subsiding to 13 to 17 feet, and occasionally around 27 feet
Thursday.

$$

JLA


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