907
FZUS61 KBUF 210302
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EST TUE JAN 20 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 29.8 INCH LOW WILL MOVE FROM THE UPPER GREAT LAKES
WEDNESDAY TO CENTRAL QUEBEC THROUGH THURSDAY...THEN TO THE CANADIAN
MARITIMES FRIDAY. THIS LOW WILL PUSH AN ARCTIC COLD FRONT ACROSS THE
LAKE THURSDAY MORNING...FOLLOWED BY A REINFORCING SECONDARY FRONT
FRIDAY. AT THE SAME TIME...A LARGE 31.0 INCH HIGH WILL BUILD FROM
NORTHWESTERN CANADA TO THE NORTHERN PLAINS STATES...WITH THE HIGH
THEN WEAKENING TO 30.7 INCHES AS IT SLIDES EASTWARD ACROSS THE GREAT
LAKES AND NEW ENGLAND OVER THE WEEKEND.
LOZ062-211000-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EST TUE JAN 20 2026
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
REST OF TONIGHT
WEST WINDS TO 30 KNOTS BECOMING SOUTHWEST.
HEAVY FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES 6 TO
10 FEET. WAVES OCCASIONALLY AROUND 13 FEET.
WEDNESDAY
SOUTH WINDS TO 30 KNOTS BECOMING SOUTHWEST AND
INCREASING TO 35 KNOT GALES. SNOW SHOWERS. WAVES 4 TO 7 FEET
BUILDING TO 8 TO 11 FEET. WAVES OCCASIONALLY AROUND 14 FEET.
WEDNESDAY NIGHT
SOUTHWEST WINDS TO 30 KNOTS BECOMING WEST.
SNOW SHOWERS WITH RAIN SHOWERS LIKELY IN THE EVENING, THEN SNOW
SHOWERS LIKELY OVERNIGHT. WAVES 8 TO 11 FEET. WAVES OCCASIONALLY
AROUND 14 FEET.
THURSDAY
WEST WINDS TO 30 KNOTS INCREASING TO 35 KNOT GALES. A
CHANCE OF SNOW SHOWERS. WAVES 8 TO 12 FEET BUILDING TO 10 TO
13 FEET. WAVES OCCASIONALLY AROUND 16 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS. LAKE EFFECT SNOW
SHOWERS LIKELY. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND
18 FEET.
FRIDAY
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO 15 TO 20 KNOTS. LAKE EFFECT SNOW SHOWERS LIKELY.
WAVES 9 TO 13 FEET SUBSIDING TO 4 TO 7 FEET. WAVES OCCASIONALLY
AROUND 16 FEET.
SATURDAY
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
3 FEET.
SUNDAY
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES 2 TO 4 FEET.
LOZ063>065-211000-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 PM EST TUE JAN 20 2026
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
REST OF TONIGHT
SOUTHWEST WINDS TO 30 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS LIKELY LATE THIS EVENING, THEN A CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT. WAVES 8 TO 12 FEET SUBSIDING TO 7 TO
10 FEET. WAVES OCCASIONALLY AROUND 15 FEET.
WEDNESDAY
SOUTHWEST WINDS TO 30 KNOTS BECOMING SOUTH. A CHANCE
OF SNOW SHOWERS EARLY, THEN SNOW SHOWERS FROM LATE MORNING ON.
WAVES 5 TO 9 FEET BUILDING TO 7 TO 10 FEET. WAVES OCCASIONALLY
AROUND 13 FEET.
WEDNESDAY NIGHT
SOUTHWEST WINDS TO 30 KNOTS. SNOW SHOWERS.
WAVES 7 TO 10 FEET BUILDING TO 9 TO 13 FEET. WAVES OCCASIONALLY
AROUND 16 FEET.
THURSDAY
WEST WINDS TO 30 KNOTS INCREASING TO 40 KNOT GALES.
LAKE EFFECT SNOW. WAVES 10 TO 15 FEET. WAVES OCCASIONALLY AROUND
19 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS. LAKE EFFECT SNOW. WAVES
11 TO 15 FEET. WAVES OCCASIONALLY AROUND 19 FEET.
FRIDAY
WEST GALES TO 35 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO 30 KNOTS. LAKE EFFECT SNOW DURING THE DAY, THEN
LAKE EFFECT SNOW SHOWERS LIKELY FRIDAY NIGHT. WAVES 10 TO 15 FEET
SUBSIDING TO 7 TO 10 FEET. WAVES OCCASIONALLY AROUND 19 FEET.
SATURDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING EAST 10 TO
15 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 6 FEET SUBSIDING
TO 2 TO 4 FEET.
SUNDAY
EAST WINDS 10 TO 15 KNOTS BECOMING NORTH. A CHANCE OF
SNOW SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
LOZ061-211000-
MAFOR 2104/
ONTARIO WEST 1/2 11542 12530 11437 11447 11557 12547. WAVES 7 TO
10 FEET, AND OCCASIONALLY AROUND 13 FEET OVERNIGHT. WAVES 4 TO 7
FEET BUILDING TO 8 TO 11 FEET, AND OCCASIONALLY AROUND 14 FEET
WEDNESDAY. WAVES 8 TO 11 FEET, AND OCCASIONALLY AROUND 14 FEET
WEDNESDAY EVENING.
ONTARIO EAST 1/2 11542 12530 11440 13447 11547. WAVES 7 TO 11
FEET, AND OCCASIONALLY AROUND 14 FEET OVERNIGHT. WAVES 5 TO 9
FEET BUILDING TO 7 TO 10 FEET, AND OCCASIONALLY AROUND 13 FEET
WEDNESDAY. WAVES 7 TO 10 FEET, AND OCCASIONALLY AROUND 13 FEET
WEDNESDAY EVENING.
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