272
FZUS61 KBUF 212049
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
449 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 weak frontal boundary will sag south and stall over
the lake tonight and Saturday. A 29.6 inch low over the Upper
Great Lakes Saturday 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.

LOZ062-220330-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
449 PM EDT Fri Jun 21 2024

.TONIGHT...East winds 5 to 10 knots becoming light and variable.
A chance of showers after midnight. 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 in the afternoon. Waves 2 feet 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>065-220330-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
449 PM EDT Fri Jun 21 2024

.TONIGHT...North winds 5 to 10 knots becoming light and variable.
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.

$$

LOZ061-220330-
MAFOR 2121/
ONTARIO WEST 1/2 12100 11400 11800 11100 11300 11200 11100. A
chance of showers Saturday morning, then a chance of showers and
thunderstorms Saturday afternoon. Waves 1 foot or less.

ONTARIO EAST 1/2 13800 11700 14100. A chance of showers
overnight. A chance of showers Saturday morning, then a chance of
showers and thunderstorms Saturday afternoon. Waves 1 foot or
less.

$$