393
FZUS61 KBUF 190201
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1001 PM 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 THE UPPER GREAT LAKES WILL ADVANCE
TO JUST NORTH OF THE WATERS THROUGH 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.
LOZ062-190900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1001 PM EDT FRI APR 18 2025
REST OF TONIGHT
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST
15 TO 20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET.
SATURDAY
SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY, THEN A CHANCE OF
SHOWERS FROM LATE MORNING ON. WAVES 3 TO 5 FEET.
SATURDAY NIGHT
WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
SUNDAY NIGHT
SOUTH WINDS 10 KNOTS OR LESS BECOMING EAST 10 TO
15 KNOTS. WAVES 2 FEET OR LESS.
MONDAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. SHOWERS.
WAVES 3 TO 5 FEET.
TUESDAY
WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
10 KNOTS. WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
WEDNESDAY
NORTHWEST WINDS 5 TO 10 KNOTS BECOMING EAST. WAVES
1 TO 2 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ063>065-190900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1001 PM EDT FRI APR 18 2025
REST OF TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS. A CHANCE OF SHOWERS LATE THIS EVENING. A CHANCE
OF SHOWERS AND 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 EARLY, THEN SHOWERS LIKELY.
A CHANCE OF SHOWERS LATE. WAVES 3 TO 5 FEET.
SATURDAY NIGHT
WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS IN THE EVENING. WAVES 3 TO 6 FEET.
SUNDAY
NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING EAST
10 TO 15 KNOTS. WAVES 2 FEET OR LESS.
MONDAY
EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. RAIN
SHOWERS LIKELY DURING THE DAY, THEN RAIN SHOWERS MONDAY NIGHT.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET.
TUESDAY
SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 10 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS DURING
THE DAY. WAVES 3 TO 6 FEET.
WEDNESDAY
WEST WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES 1 TO
3 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ061-190900-
MAFOR 1903/
ONTARIO WEST 1/2 14520 11520 13620. A CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. A CHANCE OF SHOWERS AND THUNDERSTORMS
SATURDAY MORNING, THEN A CHANCE OF SHOWERS SATURDAY AFTERNOON.
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET OVERNIGHT. WAVES 3 TO 5
FEET SATURDAY AND SATURDAY EVENING.
ONTARIO EAST 1/2 12410 11520 11526 11520 13620. A CHANCE OF
THUNDERSTORMS OVERNIGHT AND SATURDAY MORNING. WAVES 1 TO 3 FEET
OVERNIGHT. WAVES 3 TO 6 FEET SATURDAY AND SATURDAY EVENING.
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