515
FZUS61 KBUF 030802
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
402 AM EDT SAT OCT 3 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 WILL BUILD EAST ACROSS THE LOWER GREAT
LAKES REGION THROUGH SATURDAY, BEFORE SLIDING NORTHEAST INTO
NORTHERN NEW ENGLAND SATURDAY NIGHT. A 29.7 INCH LOW OVER
NORTHWESTERN ONTARIO SUNDAY WILL DEEPEN TO 29.4 INCHES AS IT SLIDES
JUST SOUTH OF JAMES BAY INTO CENTRAL QUEBEC SUNDAY NIGHT, WHILE
SENDING A PAIR OF COLD FRONTS ACROSS THE LAKE. A 30.2 INCH HIGH OVER
THE UPPER MIDWEST WILL THEN BUILD ACROSS THE GREAT LAKES REGION
MONDAY INTO TUESDAY, BEFORE SLIDING INTO THE NORTHEAST WEDNESDAY.
LOZ062-031500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
402 AM EDT SAT OCT 3 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST. WAVES 1 TO
2 FEET.
TONIGHT
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST. WAVES
2 FEET OR LESS.
SUNDAY
SOUTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 2 FEET OR LESS.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
15 TO 20 KNOTS. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET.
MONDAY
WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST. WAVES
3 TO 6 FEET BUILDING TO 4 TO 7 FEET, THEN SUBSIDING TO 3 TO
5 FEET. WAVES OCCASIONALLY AROUND 9 FEET.
TUESDAY
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
WAVES 2 FEET OR LESS.
WEDNESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET, THEN
SUBSIDING TO 1 TO 3 FEET.
LOZ063>065-031500-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
402 AM EDT SAT OCT 3 2026
TODAY
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS.
TONIGHT
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST.
WAVES 2 FEET OR LESS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET, THEN SUBSIDING TO 1 TO
3 FEET.
SUNDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST. A
CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET.
MONDAY
NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO
20 KNOTS. A CHANCE OF SHOWERS DURING THE DAY. WAVES 4 TO 7 FEET
BUILDING TO 6 TO 9 FEET, THEN SUBSIDING TO 4 TO 7 FEET. WAVES
OCCASIONALLY AROUND 11 FEET.
TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST.
WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR LESS.
WEDNESDAY
SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
LOZ061-031500-
MAFOR 0309/
ONTARIO WEST 1/2 11100 14200 11210 12310. WAVES 1 TO 3 FEET
TODAY. WAVES 2 FEET OR LESS TONIGHT.
ONTARIO EAST 1/2 11110 14100 12200 11300. WAVES 2 TO 4 FEET
SUBSIDING TO 1 FOOT OR LESS TODAY. WAVES 2 FEET OR LESS TONIGHT.
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