Great Lakes Forecast
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000
FZUS61 KBUF 092027
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
427 PM EDT Tue Apr 9 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 30.2 inch ridge axis will drift across the lake and
to New England through this evening. A weakening 29.8 inch trough
will then wash out as it approaches the lower Great Lakes from
the west on Wednesday. Another 29.6 inch low over the Deep South
will track northeastward to near Lake Erie and deepen to 29.1
inches by later Thursday. This low will begin to fill Thursday
night, while pushing a cold front across the Lake. A secondary
cold front will pass across the Lake Friday night. A 29.9 inch
ridge of high pressure will move across the Lake by Saturday
night. A 29.6 inch area of low pressure may move across the Lake
Sunday.

LOZ062-100315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
427 PM EDT Tue Apr 9 2024

.TONIGHT...Southeast winds around 10 knots becoming southwest. A
chance of showers early, then showers likely with a chance of
thunderstorms late this evening. A chance of showers after
midnight. Waves 1 to 2 feet.
.WEDNESDAY...West winds 5 to 10 knots becoming southwest. Waves
2 feet or less.
.WEDNESDAY NIGHT...South winds 5 to 15 knots becoming east.
Showers overnight. Waves 1 foot or less building to 1 to 3 feet.
.THURSDAY...East winds 15 to 20 knots becoming southeast. Showers
in the morning, then showers with a chance of thunderstorms in
the afternoon. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots becoming south
10 to 15 knots. Showers with a chance of thunderstorms. Waves
2 to 4 feet.
.FRIDAY...Southwest winds 15 to 25 knots becoming west. Showers
with a chance of thunderstorms during the day, then showers
likely Friday night. Waves 3 to 5 feet building to 6 to 9 feet.
Waves occasionally around 11 feet.
.SATURDAY...West winds to 30 knots diminishing to 10 to 15 knots.
Showers likely during the day. Waves 5 to 9 feet subsiding to
2 to 4 feet. Waves occasionally around 11 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming west. A chance
of showers. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-100315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
427 PM EDT Tue Apr 9 2024

.TONIGHT...East winds 10 to 15 knots becoming south. Showers with
a chance of thunderstorms. Showers likely late. Waves 2 feet or
less.
.WEDNESDAY...Southwest winds 5 to 15 knots becoming west. A
chance of showers through early afternoon. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Southwest winds 5 to 15 knots becoming east.
Showers likely overnight. Waves 2 feet or less.
.THURSDAY...East winds 15 to 20 knots becoming southeast. Showers
in the morning, then showers with a chance of thunderstorms in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet.
.THURSDAY NIGHT...Southeast winds 15 to 25 knots becoming south.
Showers with a chance of thunderstorms. Waves 3 to 6 feet.
.FRIDAY...South winds 15 to 20 knots becoming west and increasing
to 30 knots. Showers with a chance of thunderstorms during the
day, then showers Friday night. Waves 2 to 4 feet building to
8 to 11 feet. Waves occasionally around 14 feet.
.SATURDAY...West winds to 30 knots diminishing to 15 to 25 knots.
Showers during the day, then a chance of showers Saturday night.
Waves 8 to 12 feet subsiding to 3 to 6 feet. Waves occasionally
around 15 feet.
.SUNDAY...Southwest winds 5 to 15 knots. A chance of showers.
Waves 2 to 4 feet subsiding to 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-100315-
MAFOR 0921/
ONTARIO WEST 1/2 11210 11306 12500 14600. A chance of
thunderstorms this evening. Waves 1 to 2 feet.

ONTARIO EAST 1/2 11210 11310 11416 11400 12500 12610. A chance of
thunderstorms overnight. Waves 2 feet or less.

$$


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