833
FZUS61 KBUF 290203
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1003 PM EDT TUE JUL 28 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 BROAD SURFACE LOW AND COLD FRONT DRAPED FROM SOUTHERN ONTARIO TO
WESTERN PENNSYLVANIA WILL SLOWLY PIVOT EASTWARD TO THE UPPER SAINT
LAWRENCE VALLEY AND CENTRAL NEW YORK THROUGH EARLY THIS EVENING. THE
SURFACE LOW WILL THEN REDEVELOP AND LIFT NORTHEASTWARD OFF THE MID-
ATLANTIC AND NEW ENGLAND COASTLINES TONIGHT THROUGH WEDNESDAY
NIGHT...WHILE A SLOWLY WEAKENING INVERTED TROUGH LINGERS ACROSS
EASTERN NEW YORK AND WESTERN NEW ENGLAND. A WEAK 30.0 INCH HIGH WILL
THEN BUILD EASTWARD ACROSS THE LOWER GREAT LAKES THURSDAY AND
FRIDAY...BEFORE SLIDING OUT ACROSS NEW ENGLAND SATURDAY.
LOZ062-290900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1003 PM EDT TUE JUL 28 2026
OVERNIGHT
NORTHWEST WINDS 15 TO 20 KNOTS. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET.
WEDNESDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS. A CHANCE OF SHOWERS FROM LATE MORNING ON. WAVES 3 TO
5 FEET SUBSIDING TO 2 TO 4 FEET.
WEDNESDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. A CHANCE OF
SHOWERS IN THE EVENING. WAVES 2 TO 3 FEET.
THURSDAY
NORTH WINDS 5 TO 15 KNOTS BECOMING WEST. WAVES 1 TO
3 FEET SUBSIDING TO 1 FOOT OR LESS.
THURSDAY NIGHT
WEST WINDS 10 KNOTS OR LESS BECOMING NORTHWEST.
WAVES 1 FOOT OR LESS.
FRIDAY
WEST WINDS LESS THAN 10 KNOTS BECOMING SOUTH. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTHEAST WINDS 10 KNOTS OR LESS. A CHANCE OF SHOWERS
SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
EAST WINDS 10 KNOTS OR LESS BECOMING NORTHEAST. A
CHANCE OF SHOWERS. WAVES 1 FOOT OR LESS.
LOZ063>065-290900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1003 PM EDT TUE JUL 28 2026
OVERNIGHT
NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
15 TO 20 KNOTS. A CHANCE OF SHOWERS. WAVES 1 TO 3 FEET BUILDING
TO 2 TO 4 FEET.
WEDNESDAY
NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTH. A
CHANCE OF SHOWERS EARLY, THEN SHOWERS WITH A CHANCE OF
THUNDERSTORMS FROM LATE MORNING ON. WAVES 3 TO 5 FEET SUBSIDING
TO 2 TO 4 FEET.
WEDNESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS. SHOWERS WITH A
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS
OVERNIGHT. WAVES 2 TO 4 FEET.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
THURSDAY NIGHT
NORTHWEST WINDS 10 KNOTS OR LESS. WAVES 2 FEET
OR LESS.
FRIDAY
NORTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTH. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WINDS 10 KNOTS OR LESS. A CHANCE OF SHOWERS
SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
SUNDAY
SOUTH WINDS 10 KNOTS OR LESS BECOMING NORTHEAST. A
CHANCE OF SHOWERS. WAVES 1 FOOT OR LESS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ061-290900-
MAFOR 2903/
ONTARIO WEST 1/2 11820 11720 11710 11720 12820 12810. A CHANCE OF
SHOWERS WEDNESDAY MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS WEDNESDAY AFTERNOON. A CHANCE OF SHOWERS WEDNESDAY
EVENING. WAVES 2 TO 4 FEET OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING
TO 2 TO 4 FEET WEDNESDAY. WAVES 2 TO 3 FEET WEDNESDAY EVENING.
ONTARIO EAST 1/2 11810 11820 11710 11820 14826. A CHANCE OF
THUNDERSTORMS WEDNESDAY AND WEDNESDAY EVENING. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO
2 TO 4 FEET WEDNESDAY. WAVES 2 TO 4 FEET WEDNESDAY EVENING.
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