999
FZUS61 KBUF 060202
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1002 PM 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 SOUTHWARD ACROSS
WESTERN QUEBEC TONIGHT, REACHING NORTHERN NEW ENGLAND TOMORROW, THEN
SLIDING EAST OF THE CANADIAN MARITIMES BY TUESDAY. MEANWHILE, A WEAK
29.9 INCH LOW OVER OHIO THIS EVENING WILL MOVE TO THE MID ATLANTIC
BY LATE MONDAY. A BROAD 30.1 INCH HIGH IS THEN FORECAST TO BUILD
ACROSS THE GREAT LAKES TUESDAY THROUGH WEDNESDAY, THEN DRIFT OFF THE
EAST COAST THURSDAY. A WEAK COLD FRONT WILL CROSS THE LAKE THURSDAY
NIGHT BEFORE ANOTHER 30.1 INCH SURFACE HIGH PRESSURE BUILDS ACROSS
THE EASTERN GREAT LAKES REGION FRIDAY AND SATURDAY.
LOZ062-060900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1002 PM EDT SUN JUL 5 2026
OVERNIGHT
NORTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 TO
2 FEET.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS. A CHANCE OF SHOWERS FROM LATE MORNING ON. WAVES 2 TO
3 FEET.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 2 TO 3 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
TUESDAY NIGHT
EAST WINDS 10 KNOTS OR LESS BECOMING SOUTH.
WAVES 2 FEET OR LESS.
WEDNESDAY
SOUTHWEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR
LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS DURING THE DAY, THEN SHOWERS LIKELY THURSDAY NIGHT.
WAVES 1 TO 2 FEET.
FRIDAY
NORTH WINDS 10 KNOTS OR LESS. A CHANCE OF SHOWERS.
WAVES 1 FOOT OR LESS.
LOZ063>065-060900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1002 PM EDT SUN JUL 5 2026
OVERNIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 TO
3 FEET.
MONDAY
EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS FROM
LATE MORNING ON. WAVES 2 FEET OR LESS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
TUESDAY
EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS IN THE
MORNING. WAVES 2 FEET OR LESS.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH.
WAVES 1 FOOT OR LESS.
WEDNESDAY
SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS DURING THE DAY, THEN SHOWERS LIKELY THURSDAY NIGHT.
WAVES 1 FOOT OR LESS.
FRIDAY
NORTH WINDS 5 TO 10 KNOTS. SHOWERS LIKELY DURING THE
DAY. WAVES 1 FOOT OR LESS.
LOZ061-060900-
MAFOR 0603/
ONTARIO WEST 1/2 14110 14210. A CHANCE OF SHOWERS MONDAY
AFTERNOON. WAVES 1 TO 3 FEET.
ONTARIO EAST 1/2 12110 15210. A CHANCE OF SHOWERS MONDAY
AFTERNOON AND MONDAY EVENING. WAVES 1 TO 3 FEET OVERNIGHT. WAVES
2 FEET OR LESS MONDAY. WAVES 1 TO 3 FEET MONDAY EVENING.
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