244
FZUS61 KBUF 240302
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM EST TUE DEC 23 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 29.8 INCH SURFACE LOW OVER CENTRAL ONTARIO THIS AFTERNOON WITH A
WARM FRONT DRAPED OVER THE LAKE, WILL SLIDE OFF THE SOUTHERN NEW
ENGLAND COASTLINE WEDNESDAY AS A 29.6 INCH SURFACE LOW. FOLLOWING
THE PASSAGE OF THIS SYSTEM, A 30.3 INCH HIGH WILL THEN BUILD ACROSS
THE LAKE WEDNESDAY, SLIDING OFF THE ATLANTIC COASTLINE THURSDAY. A
WEAK 29.8 INCH SURFACE LOW WILL SLIDE ACROSS SOUTHERN QUEBEC
THURSDAY WITH ITS ASSOCIATED COLD FRONT DROPPING SOUTHWARD ACROSS
THE LAKE. FOLLOWING THIS FRONT, A STRONG 30.5 INCH SURFACE HIGH OVER
ONTARIO THURSDAY WILL SLIDE OVER THE LAKE THURSDAY NIGHT AND THEN
LINGER JUST TO THE EAST OF THE LAKE FRIDAY. A COMPACT 29.6 INCH
SURFACE LOW WILL SLIDE WELL SOUTH OF THE LAKE ACROSS OHIO AND
SOUTHERN PENNSYLVANIA FRIDAY NIGHT INTO SATURDAY. ANOTHER 29.5 INCH
SURFACE LOW WILL PASS BY TO THE NORTHEAST OF THE LAKE SUNDAY.
LOZ062-241000-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EST TUE DEC 23 2025
OVERNIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST.
WAVES 5 TO 8 FEET BUILDING TO 7 TO 10 FEET. WAVES OCCASIONALLY
AROUND 13 FEET.
WEDNESDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 5 TO 10 KNOTS IN THE AFTERNOON. WAVES 6 TO 9 FEET
SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND 11 FEET.
WEDNESDAY NIGHT
SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING
WEST. WAVES 1 FOOT OR LESS.
THURSDAY
WEST WINDS 10 TO 15 KNOTS BECOMING NORTH. WAVES 1 TO
3 FEET.
THURSDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS BECOMING EAST. WAVES
2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
FRIDAY
EAST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 20 KNOTS.
SNOW. WAVES 4 TO 7 FEET BUILDING TO 6 TO 9 FEET, THEN SUBSIDING
TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 11 FEET.
SATURDAY
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST. A
CHANCE OF RAIN SHOWERS SATURDAY NIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET.
SUNDAY
SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST AND INCREASING
TO 40 KNOT GALES. RAIN SHOWERS DURING THE DAY, THEN SNOW AND RAIN
SHOWERS LIKELY SUNDAY NIGHT. WAVES 2 TO 4 FEET BUILDING TO 12 TO
16 FEET. WAVES OCCASIONALLY AROUND 20 FEET.
LOZ063-241000-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
1002 PM EST TUE DEC 23 2025
OVERNIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST.
WAVES 7 TO 10 FEET BUILDING TO 9 TO 13 FEET. WAVES OCCASIONALLY
AROUND 16 FEET.
WEDNESDAY
NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES 8 TO 11 FEET SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 14 FEET.
WEDNESDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST.
WAVES 1 TO 2 FEET.
THURSDAY
WEST WINDS 10 TO 15 KNOTS BECOMING NORTH 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
THURSDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHEAST.
WAVES 3 TO 5 FEET.
FRIDAY
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST. SNOW.
WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET, THEN SUBSIDING TO 3 TO
6 FEET. WAVES OCCASIONALLY AROUND 9 FEET.
SATURDAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST. A
CHANCE OF RAIN SHOWERS SATURDAY NIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET.
SUNDAY
SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST AND INCREASING
TO 40 KNOT GALES. RAIN SHOWERS DURING THE DAY, THEN SNOW SHOWERS
WITH RAIN SHOWERS LIKELY SUNDAY NIGHT. WAVES 3 TO 6 FEET BUILDING
TO 15 TO 20 FEET. WAVES OCCASIONALLY AROUND 26 FEET.
LOZ064-065-241000-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
1002 PM EST TUE DEC 23 2025
OVERNIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. A
CHANCE OF RAIN SHOWERS. WAVES 7 TO 10 FEET
BUILDING TO 10 TO 13 FEET. WAVES OCCASIONALLY AROUND 16 FEET.
WEDNESDAY
NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES 8 TO 11 FEET SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 14 FEET.
WEDNESDAY NIGHT
WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. WAVES
2 FEET OR LESS.
THURSDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH AND
INCREASING TO 15 TO 25 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 3 TO
5 FEET.
THURSDAY NIGHT
NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST.
WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
FRIDAY
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST. A CHANCE
OF SNOW SHOWERS DURING THE DAY, THEN SNOW FRIDAY NIGHT. WAVES
2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
SATURDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS DURING THE DAY, THEN A CHANCE OF RAIN SHOWERS SATURDAY
NIGHT. WAVES 2 TO 4 FEET.
SUNDAY
SOUTH WINDS TO 30 KNOTS BECOMING WEST AND INCREASING TO
40 KNOT GALES. RAIN SHOWERS DURING THE DAY, THEN SNOW AND RAIN
SHOWERS SUNDAY NIGHT. WAVES 3 TO 6 FEET BUILDING TO 15 TO
20 FEET. WAVES OCCASIONALLY AROUND 26 FEET.
LOZ061-241000-
MAFOR 2404/
ONTARIO WEST 1/2 11640 11740 11730 11720 11710 11700 11600 11500.
WAVES 6 TO 9 FEET BUILDING TO 8 TO 11 FEET, AND OCCASIONALLY
AROUND 14 FEET OVERNIGHT. WAVES 7 TO 10 FEET SUBSIDING TO 2 FEET
OR LESS, AND OCCASIONALLY AROUND 13 FEET WEDNESDAY. WAVES 1 FOOT
OR LESS WEDNESDAY EVENING.
ONTARIO EAST 1/2 11640 12740 11730 11710 11700 11600 11500. WAVES
7 TO 10 FEET BUILDING TO 10 TO 13 FEET, AND OCCASIONALLY AROUND
16 FEET OVERNIGHT. WAVES 8 TO 11 FEET SUBSIDING TO 1 TO 3 FEET,
AND OCCASIONALLY AROUND 14 FEET WEDNESDAY. WAVES 2 FEET OR LESS
WEDNESDAY EVENING.
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