951
FZUS61 KBUF 220302
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EST FRI NOV 21 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 30.1 INCH HIGH WILL BUILD OVER THE OHIO VALLEY AND
LOWER GREAT LAKES THROUGH SATURDAY BEHIND AN EARLIER PASSING COLD
FRONT. A 29.5 INCH LOW WILL THEN MOVE FROM NORTHERN ONTARIO TO JAMES
BAY SUNDAY, SENDING ITS COLD FRONT ACROSS THE LAKE THROUGH THE
AFTERNOON HOURS. A 30.2 INCH HIGH IS THEN FORECAST TO BUILD ACROSS
THE OHIO VALLEY MONDAY. ON TUESDAY A 29.5 INCH LOW TO THE NORTH OF
LAKE SUPERIOR WILL SWING A COLD FRONT ACROSS THE LAKE BY TUESDAY
NIGHT. THE SURFACE LOW WILL THEN TRACK WELL NORTH OF THE LAKE
THROUGH WEDNESDAY.
LOZ062-221000-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EST FRI NOV 21 2025
OVERNIGHT
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO
3 FEET.
SATURDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. WAVES
2 FEET OR LESS.
SATURDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING
SOUTHWEST. WAVES 2 FEET OR LESS.
SUNDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. A CHANCE
OF RAIN. WAVES 1 TO 3 FEET BUILDING TO 4 TO 6 FEET.
SUNDAY NIGHT
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
MONDAY
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST. WAVES 1 TO
3 FEET SUBSIDING TO 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST.
RAIN. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST AND
INCREASING TO 30 KNOTS. A CHANCE OF RAIN SHOWERS DURING THE DAY,
THEN A CHANCE OF RAIN AND SNOW SHOWERS WEDNESDAY NIGHT. WAVES
3 TO 5 FEET BUILDING TO 8 TO 11 FEET. WAVES OCCASIONALLY AROUND
14 FEET.
LOZ063-221000-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
1002 PM EST FRI NOV 21 2025
OVERNIGHT
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO
4 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING
SOUTHWEST. WAVES 1 TO 2 FEET.
SUNDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. A CHANCE
OF RAIN. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
SUNDAY NIGHT
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST. A
CHANCE OF RAIN IN THE EVENING. WAVES 5 TO 8 FEET SUBSIDING TO
3 TO 5 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
MONDAY
WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH. RAIN.
WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS. RAIN SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF
RAIN AND SNOW SHOWERS WEDNESDAY NIGHT. WAVES 2 TO 4 FEET BUILDING
TO 10 TO 13 FEET. WAVES OCCASIONALLY AROUND 16 FEET.
LOZ064-065-221000-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
1002 PM EST FRI NOV 21 2025
OVERNIGHT
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING
SOUTHWEST. WAVES 2 FEET OR LESS.
SUNDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. RAIN
LIKELY. WAVES 1 TO 3 FEET BUILDING TO 5 TO 8 FEET. WAVES
OCCASIONALLY AROUND 10 FEET.
SUNDAY NIGHT
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST.
RAIN LIKELY IN THE EVENING, THEN A CHANCE OF RAIN OVERNIGHT.
WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
MONDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. RAIN.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO 1 TO
3 FEET.
WEDNESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST AND
INCREASING TO 30 KNOTS. RAIN SHOWERS LIKELY DURING THE DAY, THEN
RAIN AND SNOW SHOWERS LIKELY WEDNESDAY NIGHT. WAVES 3 TO 5 FEET
BUILDING TO 9 TO 13 FEET. WAVES OCCASIONALLY AROUND 16 FEET.
LOZ061-221000-
MAFOR 2204/
ONTARIO WEST 1/2 13710 11700 12710 11700 11600. WAVES 1 TO 3 FEET
OVERNIGHT AND SATURDAY. WAVES 2 FEET OR LESS SATURDAY EVENING.
ONTARIO EAST 1/2 15710 11710 11700. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 3 FEET OVERNIGHT. WAVES 1 TO 3 FEET SATURDAY. WAVES 2
FEET OR LESS SATURDAY EVENING.
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