502
FZUS61 KBUF 110803
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
403 AM EDT WED MAR 11 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 WILL RIPPLE ALONG A FRONTAL BOUNDARY
TODAY, WITH THIS WAVE PASSING JUST TO THE WEST OF THE LAKE THIS
AFTERNOON. THIS LOW WILL DEEPEN TO 29.4 INCHES AS IT MOVES ACROSS
SOUTHERN QUEBEC THURSDAY. A 30.2 INCH HIGH WILL MOVE ACROSS THE OHIO
VALLEY AND MID-ATLANTIC REGION THURSDAY NIGHT THROUGH FRIDAY. A 29.6
INCH SURFACE LOW WILL PASS ACROSS THE LAKE FRIDAY NIGHT WITH A COLD
FRONT, THEN SHIFTING EAST OF THE LAKE SATURDAY. A 30.3 INCH SURFACE
HIGH WILL RIDGE ACROSS THE LAKE SATURDAY NIGHT, AND MOVE EAST OF THE
LAKE SUNDAY. MEANWHILE, A 29.5 INCH SURFACE LOW OVER THE MID
MISSISSIPPI VALLEY SUNDAY MORNING WILL TRACK NORTHEASTWARD AND
DEEPEN TO 28.9 INCHES JUST TO THE WEST OF THE LAKE MONDAY MORNING.
LOZ062-111500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
403 AM EDT WED MAR 11 2026
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH THURSDAY
MORNING...
TODAY
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTH 15 TO 20 KNOTS.
RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 5 TO 8 FEET
SUBSIDING TO 2 TO 4 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
TONIGHT
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
INCREASING TO 35 KNOT GALES AFTER MIDNIGHT. A CHANCE OF RAIN
SHOWERS THROUGH THE EARLY OVERNIGHT. WAVES 3 TO 5 FEET BUILDING
TO 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
THURSDAY
WEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS. WAVES
10 TO 14 FEET SUBSIDING TO 6 TO 9 FEET. WAVES OCCASIONALLY AROUND
18 FEET.
THURSDAY NIGHT
WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
AND DIMINISHING TO 10 TO 15 KNOTS. WAVES 5 TO 8 FEET SUBSIDING TO
2 TO 4 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
FRIDAY
SOUTHEAST WINDS TO 30 KNOTS BECOMING WEST AND
INCREASING TO 35 KNOT GALES. RAIN AND SNOW DURING THE DAY, THEN
RAIN LIKELY WITH A CHANCE OF SNOW SHOWERS FRIDAY NIGHT. WAVES
3 TO 6 FEET BUILDING TO 10 TO 15 FEET. WAVES OCCASIONALLY AROUND
19 FEET.
SATURDAY
WEST GALES TO 35 KNOTS BECOMING NORTHEAST AND
DIMINISHING TO 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS SATURDAY
NIGHT. WAVES 10 TO 14 FEET SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 18 FEET.
SUNDAY
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTH AND INCREASING
TO 35 KNOT GALES. SNOW AND RAIN SHOWERS. WAVES 3 TO 5 FEET
BUILDING TO 10 TO 14 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ063>065-111500-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
403 AM EDT WED MAR 11 2026
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH THURSDAY
MORNING...
TODAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. RAIN SHOWERS
WITH A CHANCE OF THUNDERSTORMS. WAVES 3 TO 6 FEET SUBSIDING TO
2 TO 4 FEET.
TONIGHT
SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST AND
INCREASING TO 35 KNOT GALES AFTER MIDNIGHT. RAIN SHOWERS WITH A
CHANCE OF THUNDERSTORMS EARLY, THEN RAIN SHOWERS LIKELY LATE IN
THE EVENING. A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. WAVES 2 TO
4 FEET BUILDING TO 13 TO 17 FEET. WAVES OCCASIONALLY AROUND
22 FEET.
THURSDAY
WEST GALES TO 35 KNOTS DIMINISHING TO 30 KNOTS. WAVES
12 TO 17 FEET SUBSIDING TO 10 TO 14 FEET. WAVES OCCASIONALLY
AROUND 22 FEET.
THURSDAY NIGHT
WEST WINDS TO 30 KNOTS DIMINISHING TO 10 TO
15 KNOTS OVERNIGHT. WAVES 9 TO 12 FEET SUBSIDING TO 3 TO 5 FEET.
WAVES OCCASIONALLY AROUND 15 FEET.
FRIDAY
SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST AND INCREASING
TO 40 KNOT GALES. RAIN AND SNOW DURING THE DAY, THEN SNOW SHOWERS
LIKELY WITH RAIN FRIDAY NIGHT. WAVES 3 TO 5 FEET BUILDING TO
14 TO 18 FEET. WAVES OCCASIONALLY AROUND 23 FEET.
SATURDAY
WEST GALES TO 40 KNOTS BECOMING NORTH AND DIMINISHING
TO 10 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 14 TO 18 FEET
SUBSIDING TO 2 TO 4 FEET. WAVES OCCASIONALLY AROUND 23 FEET.
SUNDAY
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTH AND INCREASING
TO 40 KNOT GALES. RAIN SHOWERS WITH SNOW SHOWERS LIKELY. WAVES
3 TO 5 FEET BUILDING TO 9 TO 12 FEET. WAVES OCCASIONALLY AROUND
15 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ061-111500-
MAFOR 1109/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11230 11220 11126
11316 11526 11640 12650. A CHANCE OF THUNDERSTORMS TODAY. WAVES 5
TO 8 FEET SUBSIDING TO 2 TO 4 FEET, AND OCCASIONALLY AROUND 10
FEET TODAY. WAVES 3 TO 5 FEET BUILDING TO 11 TO 15 FEET, AND
OCCASIONALLY AROUND 19 FEET TONIGHT.
ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11220 11326 13426
11540 12650. A CHANCE OF THUNDERSTORMS TODAY. WAVES 3 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET TODAY. WAVES 2 TO 4 FEET BUILDING TO 13
TO 17 FEET, AND OCCASIONALLY AROUND 22 FEET TONIGHT.
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