Great Lakes Forecast
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000
FZUS61 KBUF 121505
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1105 AM EDT Fri Apr 12 2024

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 29.0 inch low overhead of the area will move north
towards the Georgian Bay this afternoon. This low will continue
north across western Quebec Friday through Saturday before
weakening over northern Quebec Sunday through Monday. A 30.0 inch
high will then spread across the Great Lakes Monday and Tuesday.

LOZ062-122115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1105 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
SATURDAY AFTERNOON...

.REST OF TODAY...Southwest winds to 30 knots. Showers likely late
this morning, then a chance of showers this afternoon. Waves 5 to
9 feet building to 7 to 10 feet. Waves occasionally around
13 feet.
.TONIGHT...Southwest winds to 30 knots becoming west and
increasing to 35 knot gales after midnight. Showers. Waves 7 to
10 feet building to 9 to 13 feet. Waves occasionally around
16 feet.
.SATURDAY...West gales to 35 knots. Showers in the morning. Waves
10 to 13 feet subsiding to 8 to 11 feet. Waves occasionally
around 16 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to
15 knots. A chance of showers overnight. Waves 6 to 9 feet
subsiding to 2 to 4 feet. Waves occasionally around 11 feet.
.SUNDAY...South winds 5 to 15 knots becoming northwest. Showers
likely. Waves 1 to 3 feet.
.MONDAY...West winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.TUESDAY...East winds 5 to 15 knots. A chance of showers. Waves
2 feet or less building to 2 to 3 feet.

$$

LOZ063>065-122115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1105 AM EDT Fri Apr 12 2024

...GALE WARNING IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...

.REST OF TODAY...Southwest winds to 30 knots. Periods of rain
late this morning, then showers likely early this afternoon.
Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally
around 9 feet.
.TONIGHT...Southwest winds to 30 knots becoming west and
increasing to 40 knot gales after midnight. Showers. Waves 6 to
10 feet building to 10 to 15 feet. Waves occasionally around
19 feet.
.SATURDAY...West gales to 40 knots diminishing to 35 knots. Rain
showers. Waves 12 to 17 feet. Waves occasionally around 22 feet.
.SATURDAY NIGHT...West gales to 35 knots diminishing to 15 to
25 knots. Waves 10 to 14 feet subsiding to 3 to 6 feet. Waves
occasionally around 18 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming west. Showers
likely. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 15 knots. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 5 to 15 knots becoming east. A chance
of showers. Waves 1 to 3 feet.

$$

LOZ061-122115-
MAFOR 1215/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...13540 11646 13656
11650. Waves 5 to 9 feet building to 7 to 10 feet, and
occasionally around 13 feet this afternoon. Waves 7 to 10 feet
building to 10 to 14 feet, and occasionally around 18 feet
tonight. Waves 10 to 14 feet, and occasionally around 18 feet
Saturday morning.

ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11536 12530 12546
13656. Waves 3 to 6 feet building to 4 to 7 feet, and
occasionally around 9 feet this afternoon. Waves 5 to 8 feet
building to 10 to 15 feet, and occasionally around 19 feet
tonight. Waves 13 to 17 feet, and occasionally around 22 feet
Saturday morning.

$$

EAJ


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