079
FZUS61 KBUF 172002
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
402 PM EDT WED SEP 17 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 HIGH ACROSS QUEBEC WILL DRIFT EAST OFF THE
NEW ENGLAND COAST BY TONIGHT, WHILE REMAINING RIDGED OVER THE LAKE.
A COLD FRONT WILL CROSS THE LAKE THURSDAY NIGHT, WITH ANOTHER AREA
OF HIGH PRESSURE OVER WESTERN ONTARIO BUILDS SOUTHEAST ACROSS THE
LOWER GREAT LAKES FRIDAY AND SATURDAY.
LOZ062-180300-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
402 PM EDT WED SEP 17 2025
TONIGHT
EAST WINDS LESS THAN 10 KNOTS BECOMING WEST. AREAS OF
FOG AFTER MIDNIGHT. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. AREAS OF
FOG IN THE MORNING. WAVES 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO
20 KNOTS. WAVES 2 FEET OR LESS BUILDING TO 2 TO 3 FEET.
FRIDAY
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO LESS THAN
10 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
FRIDAY NIGHT
NORTH WINDS 10 KNOTS OR LESS BECOMING EAST AND
INCREASING TO 15 TO 20 KNOTS OVERNIGHT. WAVES 2 FEET OR LESS
BUILDING TO 2 TO 3 FEET.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH. A CHANCE
OF SHOWERS SUNDAY NIGHT. WAVES 1 TO 2 FEET.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. A CHANCE
OF SHOWERS. WAVES 1 TO 2 FEET.
LOZ063>065-180300-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
402 PM EDT WED SEP 17 2025
TONIGHT
EAST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. PATCHY
FOG EARLY. WAVES 2 FEET OR LESS.
THURSDAY NIGHT
WEST WINDS 10 TO 15 KNOTS BECOMING NORTH 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
FRIDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
FRIDAY NIGHT
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST.
WAVES 1 TO 3 FEET.
SATURDAY
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST.
WAVES 1 TO 3 FEET.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. A CHANCE OF SHOWERS SUNDAY NIGHT. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET.
MONDAY
SOUTH WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO
1 TO 3 FEET.
LOZ061-180300-
MAFOR 1721/
ONTARIO WEST 1/2 11200 11300 11500 11600 12603 12600. WAVES 1
FOOT OR LESS.
ONTARIO EAST 1/2 11100 11200 11400 13500 12610. WAVES 2 FEET OR
LESS.
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