921
FZUS61 KBUF 281833
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
133 PM EST FRI NOV 28 2025
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 29.5 INCH SURFACE LOW WILL SLOWLY TRACK ACROSS CENTRAL
AND EASTERN QUEBEC THROUGH THIS EVENING. MEANWHILE, A 30.5 INCH
SURFACE HIGH WILL BUILD SOUTH INTO THE MID-MISSISSIPPI VALLEY, THEN
TO THE OHIO VALLEY AND LOWER GREAT LAKES SATURDAY. ANOTHER SURFACE
LOW WILL CUT NORTHEASTWARD THROUGH THE CENTRAL GREAT LAKES SUNDAY,
SLOWLY DEEPENING FROM 29.6 INCHES SUNDAY MORNING TO 29.4 INCHES
SUNDAY NIGHT OVER WESTERN QUEBEC. A COLD FRONT FROM THIS LOW WILL
CROSS THE LAKE LATE SUNDAY NIGHT. A 30.4 INCH SURFACE HIGH CENTERED
OVER THE CENTRAL PLAINS WILL THEN BUILD EAST ACROSS THE GREAT LAKES
MONDAY, SLIDING QUICKLY TO NEW ENGLAND ON TUESDAY.
LOZ062-282200-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
133 PM EST FRI NOV 28 2025
..GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING
THIS AFTERNOON
WEST WINDS TO 30 KNOTS. WAVES 8 TO 12 FEET.
WAVES OCCASIONALLY AROUND 15 FEET.
TONIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. WAVES 7 TO
10 FEET SUBSIDING TO 3 TO 6 FEET. WAVES OCCASIONALLY AROUND
13 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES
3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS IN THE EVENING, THEN
SNOW SHOWERS OVERNIGHT. WAVES 1 FOOT OR LESS BUILDING TO 3 TO
5 FEET.
SUNDAY
SOUTHWEST GALES TO 40 KNOTS BECOMING WEST TO 35 KNOTS.
RAIN AND SNOW SHOWERS DURING THE DAY, THEN RAIN SHOWERS WITH A
CHANCE OF SNOW SHOWERS SUNDAY NIGHT. WAVES 4 TO 7 FEET BUILDING
TO 7 TO 11 FEET. WAVES OCCASIONALLY AROUND 14 FEET.
MONDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH AND
DIMINISHING TO 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS MONDAY
NIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY AROUND 9 FEET.
TUESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. A
CHANCE OF SNOW SHOWERS. WAVES 1 TO 2 FEET.
LOZ063-282200-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
133 PM EST FRI NOV 28 2025
..GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING
THIS AFTERNOON
WEST GALES TO 35 KNOTS. LAKE EFFECT SNOW SHOWERS
LIKELY WITH A FEW RUMBLES OF THUNDER POSSIBLE. WAVES 10 TO
14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
TONIGHT
NORTHWEST WINDS TO 30 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 10 TO 13 FEET SUBSIDING TO 6 TO 9 FEET. WAVES OCCASIONALLY
AROUND 16 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 10 TO 15 KNOTS. SNOW SHOWERS LIKELY IN THE
MORNING. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 9 FEET.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING
SOUTHEAST AND INCREASING TO 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS IN THE EVENING, THEN SNOW SHOWERS OVERNIGHT. WAVES 1 TO
3 FEET BUILDING TO 3 TO 6 FEET.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING NORTHWEST AND
INCREASING TO 35 KNOT GALES. RAIN AND SNOW SHOWERS. WAVES 5 TO
9 FEET BUILDING TO 9 TO 12 FEET. WAVES OCCASIONALLY AROUND
15 FEET.
MONDAY
NORTHWEST WINDS TO 30 KNOTS BECOMING SOUTH AND
DIMINISHING TO 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS MONDAY
NIGHT. WAVES 7 TO 10 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY AROUND 13 FEET.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. SNOW
SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF SNOW SHOWERS
TUESDAY NIGHT. WAVES 1 TO 3 FEET.
LOZ064-065-282200-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
133 PM EST FRI NOV 28 2025
..GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING
THIS AFTERNOON
WEST GALES TO 35 KNOTS. SNOW SHOWERS LIKELY
EARLY, THEN A CHANCE OF SNOW SHOWERS LATE. WAVES
10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
TONIGHT
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS. A
CHANCE OF SNOW SHOWERS EARLY. WAVES 10 TO 14 FEET SUBSIDING TO
6 TO 10 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 10 TO 15 KNOTS. WAVES 4 TO 7 FEET SUBSIDING TO
1 TO 3 FEET. WAVES OCCASIONALLY AROUND 9 FEET.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING
SOUTHEAST AND INCREASING TO 15 TO 25 KNOTS OVERNIGHT. SNOW
SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING WEST AND INCREASING TO
35 KNOT GALES. RAIN AND SNOW SHOWERS. WAVES 6 TO 9 FEET BUILDING
TO 9 TO 13 FEET. WAVES OCCASIONALLY AROUND 16 FEET.
MONDAY
NORTHWEST WINDS TO 30 KNOTS BECOMING SOUTH AND
DIMINISHING TO 15 TO 20 KNOTS. SNOW SHOWERS LIKELY DURING THE
DAY, THEN A CHANCE OF SNOW SHOWERS MONDAY NIGHT. WAVES 7 TO
10 FEET SUBSIDING TO 1 TO 2 FEET. WAVES OCCASIONALLY AROUND
13 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS. SNOW SHOWERS LIKELY. WAVES 1 TO 3 FEET.
LOZ061-282200-
MAFOR 2819 AMD/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11650 12640 12730
11720 11620. WAVES 9 TO 13 FEET, AND OCCASIONALLY AROUND 16 FEET
THIS AFTERNOON. WAVES 8 TO 11 FEET SUBSIDING TO 4 TO 7 FEET, AND
OCCASIONALLY AROUND 14 FEET TONIGHT. WAVES 3 TO 6 FEET SUBSIDING
TO 2 TO 4 FEET SATURDAY MORNING.
ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11650 11750 13740
11730 11720. A CHANCE OF LAKE EFFECT SNOW SHOWERS THIS AFTERNOON.
A CHANCE OF SNOW SHOWERS TONIGHT AND SATURDAY MORNING. WAVES 10
TO 14 FEET, AND OCCASIONALLY AROUND 18 FEET THIS AFTERNOON. WAVES
10 TO 14 FEET SUBSIDING TO 6 TO 10 FEET, AND OCCASIONALLY AROUND
18 FEET TONIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET, AND
OCCASIONALLY AROUND 9 FEET SATURDAY MORNING.
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