502
FZUS61 KBUF 200923
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
423 AM EST FRI FEB 20 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 29.3 INCH LOW OVER NORTHERN ILLINOIS WILL MOVE TO THE
CENTRAL GREAT LAKES TODAY, THEN WILL WEAKEN TO 29.7 INCHES AS IT
PASSES ACROSS LAKE ONTARIO SATURDAY. ANOTHER 29.8 INCH LOW WILL THEN
DEEPEN TO 29.2 INCHES AS IT MOVES OFF THE CAROLINA COAST AND OUT TO
SEA SUNDAY AND MONDAY, WITH A 30.2 INCH HIGH THEN FORECAST TO SLIDE
ACROSS THE LOWER GREAT LAKES TUESDAY.
LOZ062-063-201600-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-
423 AM EST FRI FEB 20 2026
TODAY
EAST WINDS 15 TO 25 KNOTS BECOMING SOUTH. PATCHY FOG
EARLY. RAIN. WAVES 5 TO 8 FEET. WAVES OCCASIONALLY AROUND
10 FEET.
TONIGHT
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS. A CHANCE OF RAIN EARLY, THEN A CHANCE OF RAIN AND SNOW.
A CHANCE OF SNOW AND RAIN SHOWERS LATE. WAVES 3 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET.
SATURDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING EAST. A CHANCE OF
SNOW AND RAIN SHOWERS IN THE MORNING, THEN A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SNOW.
WAVES 1 TO 3 FEET.
SUNDAY
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST. SNOW
LIKELY. WAVES 1 TO 3 FEET.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS. SNOW SHOWERS LIKELY DURING THE DAY, THEN A CHANCE OF
SNOW SHOWERS MONDAY NIGHT. WAVES 2 TO 4 FEET BUILDING TO 3 TO
5 FEET, THEN SUBSIDING TO 2 TO 4 FEET.
TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS TUESDAY NIGHT. WAVES 2 TO
4 FEET.
LOZ064-065-201600-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
423 AM EST FRI FEB 20 2026
TODAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST. RAIN WITH
FREEZING RAIN LIKELY EARLY, THEN RAIN. RAIN AND SNOW LATE. WAVES
1 TO 3 FEET BUILDING TO 3 TO 5 FEET, THEN SUBSIDING TO 2 TO
4 FEET.
TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. RAIN
WITH SNOW LIKELY IN THE EVENING, THEN A CHANCE OF RAIN AND SNOW
AFTER MIDNIGHT. A CHANCE OF SNOW AND RAIN SHOWERS LATE. WAVES
1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
SATURDAY
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET.
SATURDAY NIGHT
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST. A
CHANCE OF SNOW OVERNIGHT. WAVES 2 FEET OR LESS.
SUNDAY
EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. SNOW
LIKELY. WAVES 2 FEET OR LESS.
MONDAY
NORTH WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET.
TUESDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS TUESDAY NIGHT. WAVES 1 TO
3 FEET.
LOZ061-201600-
MAFOR 2010/
ONTARIO WEST 1/2 13236 11420 12520 11510 11610. WAVES 3 TO 5 FEET
BUILDING TO 5 TO 8 FEET, AND OCCASIONALLY AROUND 10 FEET TODAY.
WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 3 FEET TONIGHT.
ONTARIO EAST 1/2 11226 12236 11336 11527 12510 11610. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET, THEN SUBSIDING TO 3 TO 6 FEET,
AND OCCASIONALLY AROUND 9 FEET TODAY. WAVES 2 TO 4 FEET TONIGHT.
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