987
FZUS61 KBUF 290202
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EDT THU MAY 28 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 30.3 INCH HIGH OVER ONTARIO WILL EXPAND SOUTHEASTWARD
ACROSS THE GREAT LAKES TONIGHT, BEFORE SETTLING INTO THE OHIO VALLEY
FRIDAY. A 29.6 INCH LOW WILL THEN MAKE ITS WAY SOUTHEASTWARD ACROSS
QUEBEC FRIDAY AND NEW ENGLAND FRIDAY NIGHT, WITH ITS TRAILING COLD
FRONT CROSSING THE LAKE LATE FRIDAY OR FRIDAY NIGHT. ANOTHER 30.2
INCH HIGH WILL THEN BUILD ACROSS THE GREAT LAKES AND OHIO VALLEY
LATER SATURDAY THROUGH SUNDAY, WITH A 29.8 INCH LOW FORECAST TO PUSH
SOUTH ACROSS NEW ENGLAND SUNDAY NIGHT AND MONDAY.
LOZ062-290900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EDT THU MAY 28 2026
OVERNIGHT
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST.
WAVES 1 TO 2 FEET.
FRIDAY
WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
A CHANCE OF SHOWERS LATE. WAVES 1 TO 2 FEET BUILDING TO 3 TO
5 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH
10 TO 15 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
SATURDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING WEST LESS THAN
10 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
SATURDAY NIGHT
WEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR
LESS.
SUNDAY
WEST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS.
MONDAY
NORTHWEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.
TUESDAY
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES
AROUND 1 FOOT.
LOZ063>065-290900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 PM EDT THU MAY 28 2026
OVERNIGHT
WEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR
LESS.
FRIDAY
WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS.
A CHANCE OF SHOWERS LATE. WAVES 1 TO 3 FEET BUILDING TO 3 TO
6 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH. A
CHANCE OF SHOWERS IN THE EVENING. WAVES 4 TO 7 FEET SUBSIDING TO
3 TO 6 FEET. WAVES OCCASIONALLY AROUND 9 FEET.
SATURDAY
NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO 10 TO 15 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO
1 TO 3 FEET.
SATURDAY NIGHT
NORTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST.
WAVES 2 FEET OR LESS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 3 FEET.
MONDAY
NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
TUESDAY
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES
1 FOOT OR LESS.
LOZ061-290900-
MAFOR 2903/
ONTARIO WEST 1/2 12700 11600 11610 13620 11820. A CHANCE OF
SHOWERS FRIDAY AFTERNOON. WAVES 1 TO 2 FEET OVERNIGHT. WAVES 1 TO
2 FEET BUILDING TO 3 TO 5 FEET FRIDAY. WAVES 3 TO 5 FEET FRIDAY
EVENING.
ONTARIO EAST 1/2 13600 11610 12620 11630 11730. A CHANCE OF
SHOWERS FRIDAY AFTERNOON AND FRIDAY EVENING. WAVES 2 FEET OR LESS
OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET FRIDAY.
WAVES 4 TO 7 FEET, AND OCCASIONALLY AROUND 9 FEET FRIDAY EVENING.
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