932
FZUS61 KBUF 110202
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EDT WED SEP 10 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 30.3 INCH RIDGE OF HIGH PRESSURE WILL REMAIN IN PLACE
FROM THE LOWER GREAT LAKES TO THE CANADIAN MARITIMES THROUGH
TONIGHT. A WEAK COLD FRONT WILL THEN MOVE SOUTH ACROSS THE LAKE
THURSDAY. ANOTHER 30.3 INCH HIGH CENTERED NEAR JAMES BAY THURSDAY
WILL DRIFT SOUTHEAST ACROSS NEW ENGLAND FRIDAY, THEN REACH THE
CANADIAN MARITIMES SATURDAY. A WEAK TROUGH OF LOW PRESSURE AVERAGING
29.9 INCHES WILL THEN MOVE INTO THE LOWER GREAT LAKES SATURDAY NIGHT
THROUGH SUNDAY. A 30.3 INCH HIGH WILL MOVE ACROSS QUEBEC AND THE
CANADIAN MARITIMES MONDAY.
LOZ062-110900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EDT WED SEP 10 2025
OVERNIGHT
LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTH WINDS LESS THAN 10 KNOTS. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
LIGHT AND VARIABLE WINDS BECOMING EAST 5 TO
10 KNOTS. WAVES 2 FEET OR LESS.
FRIDAY
EAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
FRIDAY NIGHT
EAST WINDS 10 KNOTS OR LESS BECOMING SOUTH. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST. A
CHANCE OF SHOWERS SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF SHOWERS. WAVES 1 TO 2 FEET.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET.
LOZ063>065-110900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 PM EDT WED SEP 10 2025
OVERNIGHT
LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR
LESS.
THURSDAY
NORTHWEST WINDS LESS THAN 10 KNOTS BECOMING NORTH.
WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING
NORTHEAST. WAVES 2 FEET OR LESS.
FRIDAY
NORTHEAST WINDS 10 KNOTS OR LESS. WAVES 2 FEET OR LESS.
FRIDAY NIGHT
EAST WINDS 10 KNOTS OR LESS BECOMING SOUTH. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST. A
CHANCE OF SHOWERS SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST. A CHANCE
OF SHOWERS DURING THE DAY. WAVES 2 FEET OR LESS.
LOZ061-110900-
MAFOR 1103/
ONTARIO WEST 1/2 11400 12700 11800 11100 11300 11600 11800. WAVES
1 FOOT OR LESS.
ONTARIO EAST 1/2 11500 12600 11700 12800 11700 11800. WAVES 1
FOOT OR LESS.
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