075
FZUS61 KBUF 262002
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
402 PM EDT SUN APR 26 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 ACROSS THE LOWER GREAT LAKES
THROUGH MONDAY. A 29.4 INCH LOW OVER THE GREAT PLAINS MONDAY NIGHT
WILL ADVANCE NORTHEAST INTO THE UPPER GREAT LAKES LATER MONDAY NIGHT
INTO TUESDAY MORNING, WHILE PUSHING A WARM FRONT ACROSS THE LAKE.
THE LOW WILL HEAD NORTHEAST TO JAMES BAY TUESDAY NIGHT SENDING A
COLD FRONT ACROSS THE LAKE. AN INVERTED TROUGH AVERAGING 29.7 INCH
INVERTED TROUGH IS EXPECTED ACROSS THE LOWER GREAT LAKES WEDNESDAY
THROUGH WEDNESDAY NIGHT. THE TROUGH/LOW WILL TRACK TO THE COAST OF
NEW ENGLAND THROUGH FRIDAY WHILE ALSO DEEPENING TO 29.5 INCHES.
LOZ062-270300-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
402 PM EDT SUN APR 26 2026
TONIGHT
NORTH WINDS LESS THAN 10 KNOTS BECOMING EAST. WAVES
1 FOOT OR LESS.
MONDAY
EAST WINDS 10 KNOTS OR LESS INCREASING TO 10 TO
15 KNOTS. WAVES 2 FEET OR LESS.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST
10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH.
SHOWERS. WAVES 2 TO 4 FEET.
TUESDAY NIGHT
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING
NORTHWEST 5 TO 15 KNOTS. SHOWERS LIKELY IN THE EVENING, THEN A
CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET.
WEDNESDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST.
SHOWERS LIKELY. WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS DURING THE DAY. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET.
FRIDAY
NORTHWEST WINDS 15 TO 20 KNOTS. WAVES 2 TO 4 FEET.
LOZ063>065-270300-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
402 PM EDT SUN APR 26 2026
TONIGHT
WEST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND VARIABLE.
WAVES 2 FEET OR LESS.
MONDAY
LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO
10 KNOTS. WAVES 1 FOOT OR LESS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST
15 TO 20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. SHOWERS
LIKELY. WAVES 3 TO 5 FEET.
TUESDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS. SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF
SHOWERS OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
WEDNESDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST
15 TO 20 KNOTS. SHOWERS LIKELY. WAVES 1 TO 3 FEET.
THURSDAY
NORTHWEST WINDS 15 TO 20 KNOTS. RAIN SHOWERS LIKELY
DURING THE DAY. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
FRIDAY
NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET, THEN
SUBSIDING TO 3 TO 6 FEET. WAVES OCCASIONALLY AROUND 9 FEET.
LOZ061-270300-
MAFOR 2621/
ONTARIO WEST 1/2 12800 14200 11100 11210. WAVES 2 FEET OR LESS.
ONTARIO EAST 1/2 11610 11600 11700 11600 12300 12100. WAVES 2
FEET OR LESS.
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