664
FZUS61 KBUF 220302
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EST WED JAN 21 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 TO
CENTRAL QUEBEC THROUGH THURSDAY, THEN TO THE CANADIAN MARITIMES
FRIDAY. THIS LOW WILL PUSH A SERIES OF COLD FRONTS ACROSS THE LAKE,
WITH THE FIRST PASSING THIS EVENING, A SECOND ARCTIC COLD FRONT
ACROSS THE LAKE THURSDAY MORNING, FOLLOWED BY A REINFORCING TERTIARY
FRONT LATE THURSDAY NIGHT INTO FRIDAY MORNING. AT THE SAME TIME, A
LARGE 31.1 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 AND INTO MONDAY.
LOZ062-221000-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EST WED JAN 21 2026
..GALE WARNING IN EFFECT THROUGH FRIDAY EVENING
REST OF TONIGHT
SOUTHWEST WINDS TO 30 KNOTS. SNOW SHOWERS
LIKELY LATE THIS EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. WAVES 7 TO 11 FEET. WAVES OCCASIONALLY AROUND 14 FEET.
THURSDAY
WEST WINDS TO 30 KNOTS INCREASING TO 40 KNOT GALES. A
CHANCE OF SNOW SHOWERS. WAVES 8 TO 11 FEET BUILDING TO 12 TO
16 FEET. WAVES OCCASIONALLY AROUND 20 FEET.
THURSDAY NIGHT
WEST GALES TO 35 KNOTS. A CHANCE OF SNOW
SHOWERS IN THE EVENING, THEN LAKE EFFECT SNOW SHOWERS LIKELY
OVERNIGHT. WAVES 10 TO 15 FEET. WAVES OCCASIONALLY AROUND
19 FEET.
FRIDAY
WEST GALES TO 35 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO 30 KNOTS IN THE AFTERNOON. LAKE EFFECT SNOW
SHOWERS LIKELY. WAVES 10 TO 14 FEET. WAVES OCCASIONALLY AROUND
18 FEET.
FRIDAY NIGHT
NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO
20 KNOTS. SNOW SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF
SNOW SHOWERS OVERNIGHT. WAVES 8 TO 11 FEET SUBSIDING TO 2 TO
4 FEET. WAVES OCCASIONALLY AROUND 14 FEET.
SATURDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING EAST. A CHANCE OF
SNOW SHOWERS DURING THE DAY, THEN A CHANCE OF SNOW SATURDAY
NIGHT. WAVES 1 TO 3 FEET.
SUNDAY
EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST. SNOW
LIKELY. WAVES 3 TO 6 FEET.
MONDAY
NORTH WINDS 15 TO 25 KNOTS BECOMING WEST. A CHANCE OF
SNOW SHOWERS DURING THE DAY. WAVES 3 TO 6 FEET BUILDING TO 5 TO
8 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
LOZ063>065-221000-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 PM EST WED JAN 21 2026
..GALE WARNING IN EFFECT THROUGH FRIDAY EVENING
REST OF TONIGHT
SOUTHWEST WINDS TO 30 KNOTS. SNOW SHOWERS
LIKELY, THEN A CHANCE OF SNOW SHOWERS LATE. WAVES 7 TO 11 FEET
BUILDING TO 10 TO 13 FEET. WAVES OCCASIONALLY AROUND 16 FEET.
THURSDAY
SOUTHWEST GALES TO 35 KNOTS BECOMING WEST TO
40 KNOTS. A CHANCE OF LAKE EFFECT SNOW SHOWERS EARLY, THEN LAKE
EFFECT SNOW SHOWERS LIKELY FROM LATE MORNING ON. WAVES 10 TO
15 FEET BUILDING TO 14 TO 19 FEET. WAVES OCCASIONALLY AROUND
24 FEET.
THURSDAY NIGHT
WEST GALES TO 40 KNOTS DIMINISHING TO 35 KNOTS.
LAKE EFFECT SNOW. WAVES 14 TO 19 FEET SUBSIDING TO 13 TO 17 FEET.
WAVES OCCASIONALLY AROUND 24 FEET.
FRIDAY
WEST GALES TO 35 KNOTS. LAKE EFFECT SNOW SHOWERS. WAVES
12 TO 17 FEET. WAVES OCCASIONALLY AROUND 22 FEET.
FRIDAY NIGHT
NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 15 TO
25 KNOTS OVERNIGHT. LAKE EFFECT SNOW SHOWERS. WAVES 11 TO 15 FEET
SUBSIDING TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 19 FEET.
SATURDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS. A CHANCE OF SNOW SHOWERS DURING THE DAY, THEN A CHANCE
OF SNOW SATURDAY NIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET.
SUNDAY
EAST WINDS 15 TO 20 KNOTS. SNOW LIKELY. WAVES 2 TO
4 FEET BUILDING TO 3 TO 6 FEET.
MONDAY
NORTH WINDS 15 TO 25 KNOTS BECOMING WEST TO 30 KNOTS. A
CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET BUILDING TO 6 TO
9 FEET. WAVES OCCASIONALLY AROUND 11 FEET.
LOZ061-221000-
MAFOR 2204/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...13540 14650 11650. A
CHANCE OF SNOW SHOWERS. WAVES 7 TO 10 FEET BUILDING TO 9 TO 12
FEET, AND OCCASIONALLY AROUND 15 FEET OVERNIGHT. WAVES 10 TO 14
FEET BUILDING TO 12 TO 17 FEET, AND OCCASIONALLY AROUND 22 FEET
THURSDAY. WAVES 11 TO 16 FEET, AND OCCASIONALLY AROUND 20 FEET
THURSDAY EVENING.
ONTARIO EAST 1/2...GALE WARNING IN EFFECT...11547 11540 11550
13650 12657. WAVES 7 TO 11 FEET BUILDING TO 10 TO 13 FEET, AND
OCCASIONALLY AROUND 16 FEET OVERNIGHT. WAVES 10 TO 15 FEET
BUILDING TO 14 TO 19 FEET, AND OCCASIONALLY AROUND 24 FEET
THURSDAY. WAVES 14 TO 19 FEET, AND OCCASIONALLY AROUND 24 FEET
THURSDAY EVENING.
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