201
FZUS61 KBUF 170802
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
402 AM 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.
LOZ062-171500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
402 AM EDT WED SEP 17 2025
TODAY
EAST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST. WAVES
1 FOOT OR LESS.
TONIGHT
EAST WINDS LESS THAN 10 KNOTS. WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST. WAVES
1 FOOT OR LESS.
THURSDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BECOMING NORTH. WAVES
2 FEET OR LESS BUILDING TO 2 TO 3 FEET.
FRIDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING EAST 15 TO 20 KNOTS.
WAVES 1 TO 3 FEET.
SATURDAY
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH. WAVES
1 TO 2 FEET.
LOZ063>065-171500-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
402 AM EDT WED SEP 17 2025
TODAY
SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
TONIGHT
EAST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST. WAVES
1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. 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 NORTHEAST. WAVES
2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
SATURDAY
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET.
SUNDAY
SOUTH WINDS 15 TO 20 KNOTS. WAVES 2 TO 4 FEET BUILDING
TO 3 TO 5 FEET.
LOZ061-171500-
MAFOR 1709/
ONTARIO WEST 1/2 12200 12100 11200 11300 11400 11600. WAVES 1
FOOT OR LESS.
ONTARIO EAST 1/2 11310 11410 11300 11100 11200 11300 12400. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS TODAY. WAVES 1 FOOT OR
LESS TONIGHT.
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