099
FZUS61 KBUF 290902
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
402 AM EST SAT NOV 29 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 OVER EASTERN QUEBEC THIS EVENING
WILL SLIDE TO NEWFOUNDLAND OVERNIGHT. MEANWHILE, A 30.5 INCH SURFACE
HIGH WILL BUILD SOUTH INTO THE MID-MISSISSIPPI VALLEY TONIGHT, 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. A 29.7 INCH
SURFACE LOW OFF THE CAROLINA COASTLINE TUESDAY MORNING WILL DEEPEN
TO 28.9 INCHES OVER SOUTHERN ATLANTIC CANADA BY WEDNESDAY.
LOZ062-291600-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
402 AM EST SAT NOV 29 2025
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...
TODAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
TONIGHT
SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST AND
INCREASING TO 15 TO 25 KNOTS. A CHANCE OF SNOW SHOWERS LATE IN
THE EVENING. SNOW SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING SOUTHWEST AND
INCREASING TO 35 KNOT GALES IN THE AFTERNOON. RAIN AND SNOW
SHOWERS IN THE MORNING, THEN RAIN SHOWERS IN THE AFTERNOON. WAVES
3 TO 6 FEET BUILDING TO 9 TO 12 FEET. WAVES OCCASIONALLY AROUND
15 FEET.
SUNDAY NIGHT
WEST GALES TO 35 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO 30 KNOTS OVERNIGHT. RAIN SHOWERS LIKELY WITH A
CHANCE OF SNOW SHOWERS IN THE EVENING, THEN A CHANCE OF SNOW
SHOWERS OVERNIGHT. WAVES 8 TO 12 FEET. WAVES OCCASIONALLY AROUND
15 FEET.
MONDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH AND
DIMINISHING TO 5 TO 10 KNOTS. SNOW SHOWERS LIKELY MONDAY NIGHT.
WAVES 5 TO 8 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY
AROUND 10 FEET.
TUESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. SNOW
SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF SNOW SHOWERS
TUESDAY NIGHT. WAVES 1 TO 2 FEET.
WEDNESDAY
WEST WINDS 15 TO 20 KNOTS INCREASING TO 30 KNOTS.
SNOW SHOWERS LIKELY WEDNESDAY NIGHT. WAVES 2 TO 4 FEET BUILDING
TO 5 TO 9 FEET. WAVES OCCASIONALLY AROUND 11 FEET.
LOZ063-291600-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
402 AM EST SAT NOV 29 2025
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...
TODAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS. A CHANCE OF SNOW SHOWERS EARLY. WAVES 5 TO 8 FEET
SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
TONIGHT
SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
AND INCREASING TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW
SHOWERS LATE IN THE EVENING. SNOW SHOWERS AFTER MIDNIGHT. WAVES
1 TO 2 FEET BUILDING TO 3 TO 6 FEET.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING SOUTHWEST. SNOW AND
RAIN SHOWERS. WAVES 5 TO 9 FEET BUILDING TO 7 TO 10 FEET. WAVES
OCCASIONALLY AROUND 13 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS TO 30 KNOTS BECOMING NORTHWEST.
RAIN AND SNOW SHOWERS LIKELY IN THE EVENING, THEN SNOW SHOWERS
LIKELY OVERNIGHT. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND
18 FEET.
MONDAY
NORTHWEST WINDS TO 30 KNOTS BECOMING SOUTH AND
DIMINISHING TO 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS MONDAY
NIGHT. WAVES 8 TO 11 FEET SUBSIDING TO 1 TO 2 FEET. WAVES
OCCASIONALLY AROUND 14 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.
WEDNESDAY
WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS.
SNOW SHOWERS LIKELY WEDNESDAY NIGHT. WAVES 2 TO 3 FEET BUILDING
TO 7 TO 10 FEET. WAVES OCCASIONALLY AROUND 13 FEET.
LOZ064-065-291600-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
402 AM EST SAT NOV 29 2025
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY
MORNING...
TODAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 5 TO 15 KNOTS. WAVES 5 TO 8 FEET SUBSIDING TO 1 TO
3 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
TONIGHT
SOUTHWEST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
AND INCREASING TO 30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING SOUTHWEST AND
INCREASING TO 35 KNOT GALES IN THE AFTERNOON. SNOW AND RAIN
SHOWERS. WAVES 5 TO 9 FEET BUILDING TO 9 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.
SUNDAY NIGHT
SOUTHWEST GALES TO 35 KNOTS BECOMING NORTHWEST
AND DIMINISHING TO 30 KNOTS OVERNIGHT. RAIN AND SNOW SHOWERS IN
THE EVENING, THEN SNOW SHOWERS, RAIN SHOWERS WITH A CHANCE OF
FREEZING RAIN OVERNIGHT. WAVES 10 TO 15 FEET. WAVES OCCASIONALLY
AROUND 19 FEET.
MONDAY
NORTHWEST WINDS TO 30 KNOTS BECOMING SOUTH AND
DIMINISHING TO 15 TO 20 KNOTS. A CHANCE OF FREEZING RAIN DURING
THE DAY, THEN A CHANCE OF SNOW SHOWERS MONDAY NIGHT. WAVES 8 TO
11 FEET SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND
14 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS. SNOW SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET.
WEDNESDAY
WEST WINDS 10 TO 15 KNOTS INCREASING TO 30 KNOTS. A
CHANCE OF SNOW SHOWERS DURING THE DAY, THEN SNOW SHOWERS LIKELY
WEDNESDAY NIGHT. WAVES 1 TO 3 FEET BUILDING TO 8 TO 11 FEET.
WAVES OCCASIONALLY AROUND 14 FEET.
LOZ061-291600-
MAFOR 2910/
ONTARIO WEST 1/2 12720 11610 11600 11500 11310 11320 11337. WAVES
4 TO 7 FEET SUBSIDING TO 1 TO 3 FEET, AND OCCASIONALLY AROUND 9
FEET TODAY. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET TONIGHT.
ONTARIO EAST 1/2 11730 11720 12610 11600 11400 11320 11337. WAVES
5 TO 8 FEET SUBSIDING TO 1 TO 3 FEET, AND OCCASIONALLY AROUND 10
FEET TODAY. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET TONIGHT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page