888
FZUS61 KBUF 171410
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1009 AM EDT TUE MAR 17 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 30.4 INCH SURFACE HIGH CENTERED OVER THE LOWER OHIO
VALLEY THIS LATE MORNING WILL RIDGE NORTHWARD, ACROSS THE LAKE
TONIGHT. THE HIGH WILL THEN SHIFT EAST OF THE LAKE WEDNESDAY AND
REACH THE EAST COAST BY WEDNESDAY EVENING. A 30.2 INCH HIGH WILL
MOVE INTO THE GREAT LAKES REGION THURSDAY. A 29.8 INCH LOW WILL MOVE
FROM JAMES BAY TO THE CANADIAN MARITIMES FRIDAY. THIS MAY RESULT IN
A COLD FRONT CROSSING THE LAKE THROUGH FRIDAY.
LOZ062-172100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1009 AM EDT TUE MAR 17 2026
..GALE WARNING IN EFFECT UNTIL 11 AM EDT THIS MORNING
REST OF TODAY
WEST GALES TO 35 KNOTS. SNOW SHOWERS LIKELY LATE
THIS MORNING, THEN A CHANCE OF SNOW SHOWERS THIS AFTERNOON. WAVES
10 TO 15 FEET SUBSIDING TO 8 TO 11 FEET. WAVES OCCASIONALLY
AROUND 19 FEET.
TONIGHT
WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF SNOW SHOWERS EARLY. WAVES 5 TO 9 FEET
SUBSIDING TO 3 TO 6 FEET. WAVES OCCASIONALLY AROUND 11 FEET.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH. WAVES
1 TO 3 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
THURSDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. A
CHANCE OF RAIN AND SNOW SHOWERS DURING THE DAY, THEN A CHANCE OF
RAIN SHOWERS THURSDAY NIGHT. WAVES 1 TO 3 FEET.
FRIDAY
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES 1 TO 2 FEET
BUILDING TO 2 TO 4 FEET.
SATURDAY
NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH. A
CHANCE OF RAIN AND SNOW SHOWERS. WAVES 3 TO 5 FEET BUILDING TO
5 TO 8 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
LOZ063>065-172100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1009 AM EDT TUE MAR 17 2026
..GALE WARNING IN EFFECT UNTIL 7 PM EDT THIS EVENING
REST OF TODAY
WEST GALES TO 40 KNOTS DIMINISHING TO 35 KNOTS.
LAKE EFFECT SNOW SHOWERS. WAVES 14 TO 19 FEET SUBSIDING TO 12 TO
16 FEET. WAVES OCCASIONALLY AROUND 24 FEET.
TONIGHT
WEST WINDS TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. LAKE EFFECT SNOW SHOWERS IN THE EVENING, THEN A CHANCE
OF LAKE EFFECT SNOW SHOWERS AFTER MIDNIGHT. WAVES 10 TO 14 FEET
SUBSIDING TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND 18 FEET.
WEDNESDAY
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTH. LAKE
EFFECT SNOW SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH
15 TO 20 KNOTS. WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET.
THURSDAY
SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS. A CHANCE OF SNOW SHOWERS DURING THE DAY, THEN A CHANCE
OF RAIN SHOWERS THURSDAY NIGHT. WAVES 3 TO 5 FEET SUBSIDING TO
2 FEET OR LESS.
FRIDAY
SOUTHWEST WINDS AROUND 10 KNOTS BECOMING NORTH AND
INCREASING TO 15 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS.
WAVES 2 FEET OR LESS BUILDING TO 3 TO 5 FEET.
SATURDAY
NORTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH TO
30 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES 3 TO 6 FEET
BUILDING TO 5 TO 8 FEET. WAVES OCCASIONALLY AROUND 10 FEET.
LOZ061-172100-
MAFOR 1715/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11650 12640 11630
12620 11610 11500. A CHANCE OF LAKE EFFECT SNOW SHOWERS THIS
AFTERNOON. A CHANCE OF SNOW SHOWERS TONIGHT. WAVES 11 TO 16 FEET
SUBSIDING TO 9 TO 12 FEET, AND OCCASIONALLY AROUND 20 FEET THIS
AFTERNOON. WAVES 7 TO 10 FEET SUBSIDING TO 3 TO 5 FEET, AND
OCCASIONALLY AROUND 13 FEET TONIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 1 TO 2 FEET WEDNESDAY MORNING.
ONTARIO EAST 1/2...GALE WARNING IN EFFECT...12657 11647 11747
11737 11720 11710 11500. WAVES 14 TO 19 FEET SUBSIDING TO 12 TO
16 FEET, AND OCCASIONALLY AROUND 24 FEET THIS AFTERNOON. WAVES 10
TO 14 FEET SUBSIDING TO 4 TO 7 FEET, AND OCCASIONALLY AROUND 18
FEET TONIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
WEDNESDAY MORNING.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page