496
FZUS61 KBUF 301425
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1025 AM EDT Sun Jun 30 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 30.3 inch high over the Upper Mississippi valley
this afternoon will build gradually east across the Great Lakes
region tonight through Monday night. The high will then cross New
England on Tuesday before moving off the East coast Tuesday night
and Wednesday. A cold front extending from a 29.4 inch low near
Hudson Bay will move across the lake Wednesday night.

LOZ062-302145-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1025 AM EDT Sun Jun 30 2024

.THIS AFTERNOON...West winds 15 to 20 knots becoming northwest.
Waves 2 to 4 feet building to 3 to 5 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 10 to
15 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.MONDAY...North winds 5 to 15 knots becoming southwest. Waves
1 to 3 feet subsiding to 1 foot or less.
.MONDAY NIGHT...West winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.TUESDAY...South winds less than 10 knots becoming southeast
10 to 15 knots. Waves 2 feet or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest.
Showers likely with a chance of thunderstorms. Waves 1 to 2 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.THURSDAY...West winds 10 knots or less becoming northwest. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-302145-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1025 AM EDT Sun Jun 30 2024

.THIS AFTERNOON...West winds 15 to 25 knots. Waves 2 to 4 feet
building to 3 to 6 feet.
.TONIGHT...West winds 15 to 25 knots becoming north. A chance of
showers early. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves
occasionally around 9 feet.
.MONDAY...North winds 5 to 15 knots becoming west. Waves 1 to
3 feet.
.MONDAY NIGHT...West winds 5 to 10 knots becoming southwest.
Waves 2 feet or less.
.TUESDAY...South winds 10 knots or less becoming southeast 10 to
15 knots. Waves 2 feet or less.
.WEDNESDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. A chance of showers and thunderstorms during the day,
then showers likely with a chance of thunderstorms Wednesday
night. Waves 1 to 3 feet.
.THURSDAY...West winds 5 to 15 knots becoming southwest. A chance
of showers during the day. Waves 1 to 3 feet subsiding to 1 foot
or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-302145-
MAFOR 3015/
ONTARIO WEST 1/2 11620 11630 11730 12720 13810. Waves 2 to 4 feet
building to 3 to 6 feet this afternoon. Waves 3 to 6 feet
subsiding to 2 to 4 feet tonight. Waves 2 to 3 feet Monday
morning.

ONTARIO EAST 1/2 11620 12630 11720 11820 13810. Waves 2 to 4 feet
building to 3 to 6 feet this afternoon. Waves 4 to 7 feet
subsiding to 2 to 4 feet, and occasionally around 9 feet tonight.
Waves 1 to 3 feet Monday morning.

$$

AR