669
FZUS61 KBUF 151402
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 AM EDT MON SEP 15 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 LARGE 30.3 INCH HIGH WILL SLOWLY SHIFT SOUTHEAST
ACROSS SOUTHERN QUEBEC INTO NEW ENGLAND BY LATE TUESDAY. THE HIGH
WILL THEN DRIFT SLOWLY EAST OFF THE NEW ENGLAND COAST WEDNESDAY INTO
WEDNESDAY NIGHT WHILE REMAINING RIDGED WEST OVER THE LAKE. A COLD
FRONT WILL CROSS THE LAKE THURSDAY NIGHT, WITH ANOTHER LARGE AREA OF
HIGH PRESSURE OVER WESTERN ONTARIO BUILDING SOUTHEAST ACROSS THE
LOWER GREAT LAKES FRIDAY AND SATURDAY.
LOZ062-152100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 AM EDT MON SEP 15 2025
THIS AFTERNOON
EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
TUESDAY NIGHT
EAST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR
LESS.
WEDNESDAY
EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
THURSDAY
WEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES 2 FEET
OR LESS.
FRIDAY
NORTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET.
LOZ063>065-152100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 AM EDT MON SEP 15 2025
THIS AFTERNOON
NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR
LESS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST. WAVES
1 FOOT OR LESS.
TUESDAY
EAST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST. WAVES
1 FOOT OR LESS.
TUESDAY NIGHT
NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTHEAST. WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH. WAVES
2 FEET OR LESS.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET.
LOZ061-152100-
MAFOR 1515/
ONTARIO WEST 1/2 13210 14200 11200. WAVES 1 TO 3 FEET THIS
AFTERNOON. WAVES 2 FEET OR LESS TONIGHT AND TUESDAY MORNING.
ONTARIO EAST 1/2 14100 11100 13200. WAVES 2 FEET OR LESS.
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