658
FZUS61 KBUF 070202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Sat Jun 6 2026

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 29.6 inch low over the Saint Lawrence Valley will
slide out across New England and out to sea overnight and
Sunday...while a 30.2 inch high over Ontario builds across Quebec.
The high will settle southeast to the New England coast Monday, then
offshore Tuesday...where it will then remain anchored through
Thursday.

LOZ062-070900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Sat Jun 6 2026

.OVERNIGHT...West winds 5 to 10 knots. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 10 knots becoming west. Waves
2 feet or less.
.SUNDAY NIGHT...West winds 10 knots or less becoming east. Waves
1 foot or less.
.MONDAY...East winds 5 to 15 knots. Waves 2 feet or less.
.MONDAY NIGHT...East winds 5 to 15 knots. Waves 2 feet or less.
.TUESDAY...East winds 10 knots or less becoming south. Showers
likely Tuesday night. Waves 1 foot or less.
.WEDNESDAY...Southwest winds 5 to 15 knots. Showers likely during
the day, then a chance of showers and thunderstorms Wednesday
night. Waves 2 feet or less.
.THURSDAY...Southwest winds 5 to 15 knots. A chance of showers
and thunderstorms during the day, then a chance of showers
Thursday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-070900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Sat Jun 6 2026

.OVERNIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.SUNDAY...West winds 5 to 15 knots. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 10 knots or less becoming
northeast. Waves 2 feet or less.
.MONDAY...East winds 5 to 10 knots becoming northeast. Waves
1 foot or less.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming
southeast. Waves 1 foot or less.
.TUESDAY...Southeast winds 10 knots or less becoming south. A
chance of showers Tuesday night. Waves 1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming southwest.
Showers likely with a chance of thunderstorms. Waves 1 foot or
less.
.THURSDAY...Southwest winds 5 to 10 knots. A chance of showers.
Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-070900-
MAFOR 0703/
ONTARIO WEST 1/2 12610 11700 14600 11700. Waves 1 to 3 feet
overnight. Waves 2 feet or less Sunday and Sunday evening.

ONTARIO EAST 1/2 15610 11600 11700. Waves 3 to 5 feet subsiding
to 2 to 4 feet overnight. Waves 1 to 3 feet Sunday. Waves 2 feet
or less Sunday evening.

$$