244
FZUS61 KBUF 181401
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1001 AM EDT FRI APR 18 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 29.5 INCH LOW OVER WISCONSIN TODAY WILL ADVANCE TO
JUST NORTH OF THE WATERS SATURDAY, WITH ITS ADVANCING COLD FRONT
MOVING ACROSS THE LAKE TONIGHT THROUGH SATURDAY. THIS BOUNDARY WILL
THEN STALL OUT TO THE SOUTH OF THE LAKE SUNDAY, MEANWHILE A 30.4
INCH HIGH WILL BUILD ACROSS LAKE SUPERIOR. A 29.5 INCH LOW IS THEN
FORECAST TO TRACK FROM MISSOURI REACHING THE CENTRAL GREAT LAKES
MONDAY, THEN PASS TO THE NORTH THE LAKE. A 30.2 INCH HIGH WILL THEN
BUILD INTO THE LAKE BEGINNING TUESDAY.
LOZ062-182100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1001 AM EDT FRI APR 18 2025
THIS AFTERNOON
SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING
SOUTHWEST. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY, THEN
SHOWERS WITH A CHANCE OF THUNDERSTORMS FROM LATE EVENING ON.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET.
SATURDAY NIGHT
WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES
2 TO 4 FEET.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING EAST. WAVES 1 TO
3 FEET.
MONDAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. SHOWERS
LIKELY. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
TUESDAY
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ063>065-182100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1001 AM EDT FRI APR 18 2025
THIS AFTERNOON
SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. A
CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. A CHANCE OF SHOWERS EARLY, THEN SHOWERS LIKELY. SHOWERS
WITH A CHANCE OF THUNDERSTORMS LATE. WAVES 1 TO 3 FEET BUILDING
TO 2 TO 4 FEET.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FEET.
SATURDAY NIGHT
WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST. A
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 3 TO 6 FEET.
SUNDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 5 TO
15 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
MONDAY
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. RAIN SHOWERS LIKELY. WAVES 1 TO 3 FEET BUILDING TO 3 TO
6 FEET.
TUESDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS DURING THE DAY. WAVES 3 TO 6 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ061-182100-
MAFOR 1815/
ONTARIO WEST 1/2 11410 11510 12410 13526 11520. A CHANCE OF
THUNDERSTORMS SATURDAY MORNING. WAVES 1 TO 3 FEET THIS AFTERNOON.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET TONIGHT. WAVES 3 TO 5
FEET SATURDAY MORNING.
ONTARIO EAST 1/2 12420 13410 11426 12526. A CHANCE OF
THUNDERSTORMS OVERNIGHT AND SATURDAY MORNING. WAVES 1 TO 3 FEET
THIS AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET
TONIGHT. WAVES 3 TO 5 FEET SATURDAY MORNING.
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