886
FZUS61 KBUF 051402
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 AM EDT SUN JUL 5 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 30.2 INCH SURFACE WILL BUILD FROM HUDSON BAY TODAY TO
QUEBEC AND NORTHERN NEW ENGLAND MONDAY, THEN EAST OF THE CANADIAN
MARITIMES BY TUESDAY. MEANWHILE, A WEAK 29.9 INCH LOW WILL DEVELOP
OVER OHIO TODAY AND MOVE TO THE MID ATLANTIC BY LATE MONDAY. A
BROAD 30.1 INCH HIGH IS THEN FORECAST TO BUILD INTO THE GREAT LAKES
TUESDAY THROUGH WEDNESDAY, THEN DRIFT OFF THE EAST COAST THURSDAY.
LOZ062-052100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 AM EDT SUN JUL 5 2026
THIS AFTERNOON
EAST WINDS 10 TO 15 KNOTS. WAVES 1 FOOT OR LESS.
TONIGHT
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS. A CHANCE OF SHOWERS. WAVES 2 TO 4 FEET.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES 2 TO 4 FEET.
TUESDAY
EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST LESS THAN
10 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
WEDNESDAY
EAST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FEET.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ063>065-052100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 AM EDT SUN JUL 5 2026
THIS AFTERNOON
NORTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR
LESS.
TONIGHT
NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST. WAVES
2 FEET OR LESS.
MONDAY
EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS. WAVES
1 TO 3 FEET.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
TUESDAY
EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST. A CHANCE
OF SHOWERS DURING THE DAY. WAVES 2 FEET OR LESS.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS DURING THE DAY, THEN SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS THURSDAY NIGHT. WAVES 1 FOOT OR
LESS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
LOZ061-052100-
MAFOR 0515/
ONTARIO WEST 1/2 11210 12110 12100 12110 11210. A CHANCE OF
SHOWERS MONDAY MORNING. WAVES 2 FEET OR LESS THIS AFTERNOON AND
TONIGHT. WAVES 2 TO 3 FEET MONDAY MORNING.
ONTARIO EAST 1/2 13100 12110 13200. A CHANCE OF SHOWERS MONDAY
MORNING. WAVES 2 FEET OR LESS.
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