521
FZUS61 KBUF 070902
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
402 AM EST SAT MAR 7 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 29.6 INCH LOW WILL LIFT ACROSS THE UPPER GREAT LAKES
TODAY, WITH ITS TRAILING COLD FRONT CROSSING THE LAKE TONIGHT. A
LARGE 30.1 INCH HIGH WILL THEN MOVE FROM THE LOWER OHIO VALLEY TO
THE MID ATLANTIC REGION SUNDAY AND MONDAY WHILE RIDGING NORTH ACROSS
THE LAKE. A 28.9 INCH LOW MAY MOVE ACROSS JAMES BAY MONDAY WHILE
PRESSURE AVERAGES 30.0 INCHES ACROSS THE LAKE TUESDAY.
LOZ062-063-071600-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-
402 AM EST SAT MAR 7 2026
TODAY
SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST. PATCHY
FOG. SHOWERS LIKELY EARLY, THEN A CHANCE OF SHOWERS LATE THIS
MORNING. SHOWERS WITH A CHANCE OF THUNDERSTORMS THIS AFTERNOON.
WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET. WAVES OCCASIONALLY
AROUND 9 FEET.
TONIGHT
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. PATCHY
FOG IN THE EVENING. RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS
EARLY, THEN A CHANCE OF RAIN SHOWERS LATE IN THE EVENING. WAVES
4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET. WAVES OCCASIONALLY AROUND
9 FEET.
SUNDAY
WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST. WAVES
3 TO 6 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 3 TO
6 FEET.
MONDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 10 TO 15 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO
1 TO 3 FEET.
TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING EAST AND
INCREASING TO 15 TO 25 KNOTS. RAIN SHOWERS TUESDAY NIGHT. WAVES
1 TO 2 FEET BUILDING TO 4 TO 7 FEET. WAVES OCCASIONALLY AROUND
9 FEET.
WEDNESDAY
EAST WINDS TO 30 KNOTS BECOMING NORTHWEST. RAIN
SHOWERS DURING THE DAY, THEN RAIN SHOWERS WITH SNOW SHOWERS
LIKELY WEDNESDAY NIGHT. WAVES 5 TO 8 FEET BUILDING TO 8 TO
11 FEET. WAVES OCCASIONALLY AROUND 14 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ064-065-071600-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
402 AM EST SAT MAR 7 2026
TODAY
SOUTH WINDS 15 TO 25 KNOTS. SHOWERS LIKELY EARLY, THEN A
CHANCE OF SHOWERS. SHOWERS WITH A CHANCE OF THUNDERSTORMS LATE.
PATCHY FOG LATE. WAVES 3 TO 6 FEET.
TONIGHT
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. PATCHY
FOG IN THE EVENING. RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS
EARLY, THEN RAIN SHOWERS LIKELY LATE IN THE EVENING. A CHANCE OF
RAIN SHOWERS AFTER MIDNIGHT. WAVES 3 TO 6 FEET.
SUNDAY
WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. WAVES
3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTH.
WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
MONDAY
SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
TUESDAY
WEST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST AND
INCREASING TO 15 TO 25 KNOTS. RAIN SHOWERS TUESDAY NIGHT. WAVES
1 TO 3 FEET BUILDING TO 3 TO 6 FEET.
WEDNESDAY
EAST WINDS TO 30 KNOTS BECOMING NORTHWEST. RAIN
SHOWERS DURING THE DAY, THEN RAIN SHOWERS WITH SNOW SHOWERS
LIKELY WEDNESDAY NIGHT. WAVES 4 TO 7 FEET BUILDING TO 8 TO
11 FEET. WAVES OCCASIONALLY AROUND 14 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ061-071600-
MAFOR 0710/
ONTARIO WEST 1/2 11516 11426 11530 11536 11530 11520 12620. A
CHANCE OF THUNDERSTORMS THIS AFTERNOON. WAVES 1 TO 3 FEET
BUILDING TO 4 TO 7 FEET, AND OCCASIONALLY AROUND 9 FEET TODAY.
WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET, AND OCCASIONALLY
AROUND 9 FEET TONIGHT.
ONTARIO EAST 1/2 11436 12430 11436 12526 11520 11620. A CHANCE OF
THUNDERSTORMS THIS AFTERNOON AND EVENING. WAVES 3 TO 6 FEET.
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