545
FZUS61 KBUF 231502
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 AM 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 29.7 INCH SURFACE LOW NEAR THE ONTARIO AND QUEBEC BORDER 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.
LOZ062-232200-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 AM EST TUE DEC 23 2025
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. RAIN LATE THIS MORNING, THEN A CHANCE OF RAIN SHOWERS
EARLY THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
TONIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. WAVES 5 TO
8 FEET BUILDING TO 6 TO 9 FEET. WAVES OCCASIONALLY AROUND
11 FEET.
WEDNESDAY
NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 5 TO 10 KNOTS IN THE AFTERNOON. WAVES 5 TO 8 FEET
SUBSIDING TO 1 TO 3 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
WEDNESDAY NIGHT
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
THURSDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
15 TO 20 KNOTS. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET.
FRIDAY
EAST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 20 KNOTS.
SNOW. WAVES 5 TO 8 FEET BUILDING TO 6 TO 10 FEET, THEN SUBSIDING
TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 13 FEET.
SATURDAY
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST. RAIN
LIKELY SATURDAY NIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET.
LOZ063-232200-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO SODUS BAY-
1002 AM EST TUE DEC 23 2025
REST OF TODAY
SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. RAIN AND SNOW LATE THIS MORNING, THEN RAIN SHOWERS
LIKELY EARLY THIS AFTERNOON. A CHANCE OF RAIN SHOWERS LATE. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
TONIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. WAVES 5 TO
8 FEET BUILDING TO 9 TO 12 FEET. WAVES OCCASIONALLY AROUND
15 FEET.
WEDNESDAY
NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES 7 TO 10 FEET SUBSIDING TO 1 TO 3 FEET. WAVES
OCCASIONALLY AROUND 13 FEET.
WEDNESDAY NIGHT
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 TO 2 FEET.
THURSDAY
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
FRIDAY
EAST WINDS 15 TO 25 KNOTS. SNOW LIKELY. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 9 FEET.
SATURDAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST. A
CHANCE OF SNOW DURING THE DAY, THEN A CHANCE OF RAIN SATURDAY
NIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
LOZ064-065-232200-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
1002 AM EST TUE DEC 23 2025
REST OF TODAY
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING
SOUTHWEST. RAIN AND SNOW LATE THIS MORNING, THEN RAIN AND SNOW
SHOWERS EARLY THIS AFTERNOON. RAIN SHOWERS LIKELY LATE. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
TONIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. A CHANCE OF
RAIN SHOWERS. WAVES 5 TO 8 FEET BUILDING TO 8 TO 12 FEET. WAVES
OCCASIONALLY AROUND 15 FEET.
WEDNESDAY
NORTHWEST WINDS 15 TO 25 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 2 FEET OR LESS.
THURSDAY
WEST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET, THEN
SUBSIDING TO 2 TO 4 FEET.
FRIDAY
EAST WINDS 15 TO 25 KNOTS. SNOW LIKELY. WAVES 2 TO
4 FEET BUILDING TO 3 TO 5 FEET.
SATURDAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST. A
CHANCE OF SNOW DURING THE DAY, THEN RAIN LIKELY SATURDAY NIGHT.
WAVES 2 TO 4 FEET.
LOZ061-232200-
MAFOR 2316/
ONTARIO WEST 1/2 11510 11620 12630 11640 11740 11730 11720. A
CHANCE OF RAIN SHOWERS THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING
TO 3 TO 5 FEET THIS AFTERNOON. WAVES 4 TO 7 FEET BUILDING TO 6 TO
10 FEET, AND OCCASIONALLY AROUND 13 FEET TONIGHT. WAVES 6 TO 9
FEET SUBSIDING TO 3 TO 6 FEET, AND OCCASIONALLY AROUND 11 FEET
WEDNESDAY MORNING.
ONTARIO EAST 1/2 11417 11520 11630 12640 12740 11730. WAVES 1 TO
3 FEET BUILDING TO 3 TO 5 FEET THIS AFTERNOON. WAVES 5 TO 8 FEET
BUILDING TO 8 TO 12 FEET, AND OCCASIONALLY AROUND 15 FEET
TONIGHT. WAVES 8 TO 11 FEET SUBSIDING TO 5 TO 8 FEET, AND
OCCASIONALLY AROUND 14 FEET WEDNESDAY MORNING.
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