202
FZUS61 KBUF 220220
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1020 PM EDT Fri Jun 21 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 stalled frontal boundary will be just south of the
lake overnight and Saturday morning...then a 29.6 inch low over
the Upper Great Lakes Saturday afternoon and night will push the
boundary to the north to the Quebec border by daybreak Sunday. The
low will deepen to 29.4 inches during the day Sunday while
passing to the north of the lake. The low will push a cold front
across the region Sunday night. A 30.0 inch high centered over the
Ohio valley on Monday will extend northwards across the Great
Lakes. The axis of the high pressure will cross the lake Monday
night and Tuesday.

LOZ062-220915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1020 PM EDT Fri Jun 21 2024

.OVERNIGHT...Southeast winds less than 10 knots. A chance of
showers late. Waves 1 foot or less.
.SATURDAY...Light and variable winds becoming east 10 to
15 knots. A chance of showers in the morning, then showers likely
with a chance of thunderstorms late. Waves 1 foot or less.
.SATURDAY NIGHT...East winds 10 to 15 knots becoming southeast.
Showers likely with a chance of thunderstorms. Waves 2 feet or
less.
.SUNDAY...South winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. Showers likely with a chance of
thunderstorms in the morning, then just a chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 feet building to
3 to 6 feet.
.SUNDAY NIGHT...West winds 15 to 25 knots. A chance of showers
and thunderstorms. Waves 3 to 6 feet.
.MONDAY...West winds 15 to 25 knots diminishing to 5 to 10 knots.
A chance of showers and thunderstorms. Waves 3 to 6 feet
subsiding to 1 to 2 feet.
.TUESDAY...Southwest winds 10 to 15 knots. A chance of showers
Tuesday night. Waves 1 to 2 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots A chance of showers
and thunderstorms. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-220915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1020 PM EDT Fri Jun 21 2024

.OVERNIGHT...North winds less than 10 knots. A chance of showers
late. Waves 1 foot or less.
.SATURDAY...Northeast winds 10 knots or less. A chance of showers
in the morning, then a chance of showers and thunderstorms in the
afternoon. Waves 1 foot or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming
southeast. Showers likely with a chance of thunderstorms. Waves
1 foot or less.
.SUNDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers likely with a chance of thunderstorms. Waves
1 to 3 feet building to 3 to 5 feet.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Showers likely with a chance of thunderstorms in the evening,
then just a chance of showers and thunderstorms overnight. Waves
3 to 6 feet.
.MONDAY...West winds 15 to 25 knots diminishing to 5 to 10 knots.
A chance of showers and thunderstorms. Waves 4 to 7 feet
subsiding to 1 to 3 feet. Waves occasionally around 9 feet.
.TUESDAY...West winds 10 to 15 knots becoming south. A chance of
showers Tuesday night. Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. A chance of showers
and thunderstorms. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-220915-
MAFOR 2203/
ONTARIO WEST 1/2 11400 11800 11100 11300 11200 11100 12210. A
chance of showers overnight. A chance of showers Saturday
morning, then a chance of showers and thunderstorms Saturday
afternoon. A chance of showers and thunderstorms Saturday
evening. Waves 1 foot or less.

ONTARIO EAST 1/2 11800 11700 15100. A chance of showers Saturday
morning, then a chance of showers and thunderstorms Saturday
afternoon. A chance of showers and thunderstorms Saturday
evening. Waves 1 foot or less.

$$