384
FZUS61 KBUF 130201
GLFLO
OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1001 PM EDT MON MAY 12 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 30.3 INCH HIGH CENTERED OFF THE MID-ATLANTIC
COAST THIS EVENING WILL CONTINUE TO DRIFT FARTHER OUT TO SEA
TONIGHT. A BROAD AND WEAK 29.8 INCH LOW WILL MOVE INTO THE OHIO
VALLEY TUESDAY, THEN SLOWLY FURTHER WEAKEN WHILE DRIFTING TOWARD THE
MID ATLANTIC COAST WEDNESDAY. A 29.2 INCH LOW OVER THE UPPER
MISSISSIPPI VALLEY THURSDAY WILL THEN MAKE ITS WAY TO CENTRAL
ONTARIO FRIDAY, WITH ITS ASSOCIATED WARM FRONT CROSSING THE LAKE
THURSDAY NIGHT. THE LOW WILL THEN SLOWLY WEAKEN AS IT MOVES EAST TO
NEAR THE ONTARIO/QUEBEC BORDER BY LATE SATURDAY.
LOZ062-130900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1001 PM EDT MON MAY 12 2025
OVERNIGHT
EAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR
LESS.
TUESDAY
EAST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS
FROM LATE MORNING ON. WAVES 2 FEET OR LESS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 TO 3 FEET.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 TO 3 FEET.
WEDNESDAY NIGHT
EAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS
IN THE EVENING. WAVES 1 TO 3 FEET.
THURSDAY
EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST. A CHANCE
OF SHOWERS THURSDAY NIGHT. WAVES 1 TO 2 FEET.
FRIDAY
SOUTH WINDS 5 TO 15 KNOTS. SHOWERS LIKELY DURING THE
DAY, THEN A CHANCE OF SHOWERS FRIDAY NIGHT. WAVES 1 TO 2 FEET.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST. SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
LOZ063>065-130900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1001 PM EDT MON MAY 12 2025
OVERNIGHT
EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.
TUESDAY
SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS IN
THE AFTERNOON. WAVES 2 FEET OR LESS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A CHANCE OF
SHOWERS. WAVES 1 TO 3 FEET.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
IN THE MORNING. WAVES 1 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 TO
3 FEET.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SHOWERS LIKELY. WAVES 2 FEET
OR LESS.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST.
SHOWERS LIKELY. WAVES 1 TO 3 FEET.
LOZ061-130900-
MAFOR 1303/
ONTARIO WEST 1/2 14200 11200 13210. A CHANCE OF RAIN SHOWERS
TUESDAY. A CHANCE OF SHOWERS TUESDAY EVENING. WAVES 2 FEET OR
LESS OVERNIGHT AND TUESDAY. WAVES 2 TO 3 FEET TUESDAY EVENING.
ONTARIO EAST 1/2 14300 11300 13310. A CHANCE OF SHOWERS TUESDAY
AFTERNOON AND TUESDAY EVENING. WAVES 2 FEET OR LESS.
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