Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 220232
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1032 PM EDT THU MAY 21 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.8 INCH COLD FRONTAL BOUNDARY WILL DROP SOUTHWARD
ACROSS LAKE ONTARIO EARLY FRIDAY MORNING. A SPRAWLING 30.5 INCH
HIGH WILL THEN BUILD ACROSS THE MIDWEST AND OHIO VALLEY FRIDAY AND
SATURDAY. THIS HIGH WILL CROSS THE MID ATLANTIC STATES ON SATURDAY
BEFORE DRIFTING OFF THE COAST SATURDAY NIGHT AND SUNDAY. A 29.6
INCH LOW ACROSS THE PLAINS WILL SLOWLY PUSH A WARM FRONT TOWARD
THE WATERS MONDAY THEN THIS LOW IS FORECAST TO TRACK ACROSS THE
UPPER LAKES ON TUESDAY.

LOZ062-220915-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1032 PM EDT THU MAY 21 2015

.OVERNIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST
10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
1 TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO
2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS
SUNDAY NIGHT. WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-220915-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1032 PM EDT THU MAY 21 2015

.OVERNIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST
10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
A CHANCE OF SHOWERS THROUGH MID MORNING. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 2 TO 4 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.SUNDAY...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR
LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-220915-
MAFOR 2203/
ONTARIO WEST 1/2 11520 12610 11710 11610 11620 12720. WAVES 1 TO
3 FEET OVERNIGHT AND FRIDAY. WAVES 2 TO 4 FEET FRIDAY EVENING.

ONTARIO EAST 1/2 11510 12610 11710 11610 13620. WAVES 1 TO 3 FEET
OVERNIGHT AND FRIDAY. WAVES 2 TO 4 FEET FRIDAY EVENING.

$$


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