Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 280535
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
130 AM EDT FRI APR 28 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.3 INCH LOW TO THE NORTHEAST OF LAKE SUPERIOR
WILL TRACK NORTH TO JAMES BAY WHILE AN ASSOCIATED COLD FRONT
CROSSES LAKE ONTARIO TONIGHT. WEAK HIGH PRESSURE AVERAGING 30.1
INCHES WILL THEN CROSS THE LAKE ON FRIDAY. A WEAK COLD FRONT IS
FORECAST TO MOVE SOUTHEAST ACROSS THE LAKE SATURDAY BEFORE LIFTING
BACK NORTH ACROSS THE LAKE AS A WARM FRONT LATE SUNDAY NIGHT.
A 29.1 INCH LOW WILL THEN MOVE INTO THE UPPER GREAT LAKES REGION
MONDAY BEFORE REACHING WESTERN QUEBEC BY LATE TUESDAY.

LOZ062-280900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
130 AM EDT FRI APR 28 2017

.OVERNIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST.
WAVES 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
2 FEET OR LESS.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 KNOTS OR LESS. A CHANCE OF
SHOWERS OVERNIGHT. WAVES 1 FOOT OR LESS.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS IN THE
MORNING. WAVES 1 FOOT OR LESS.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING EAST AND
INCREASING TO 15 TO 25 KNOTS OVERNIGHT. A CHANCE OF SHOWERS
OVERNIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS TO 30 KNOTS DIMINISHING TO 5 TO 10 KNOTS.
SHOWERS LIKELY. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS. A CHANCE OF SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO
6 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-280900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
130 AM EDT FRI APR 28 2017

.OVERNIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS. SHOWERS AND SCATTERED THUNDERSTORMS.
WAVES 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.FRIDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTH. A CHANCE OF SHOWERS OVERNIGHT. WAVES 1 FOOT OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING WEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS IN THE MORNING. WAVES 1 FOOT OR
LESS.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
15 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST AND
DIMINISHING TO 10 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS DURING
THE DAY...THEN RAIN SHOWERS LIKELY SUNDAY NIGHT. WAVES 3 TO
6 FEET SUBSIDING TO 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS DURING
THE DAY...THEN SHOWERS AND THUNDERSTORMS LIKELY MONDAY NIGHT.
WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 4 TO 7 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-280800-
MAFOR 2806 AMD/
ONTARIO WEST 1/2 11510 11610 11600 14500. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS OVERNIGHT AND FRIDAY. WAVES 1 FOOT OR
LESS FRIDAY EVENING.

ONTARIO EAST 1/2 11510 12610 11600 13300. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS OVERNIGHT AND FRIDAY. WAVES 1 FOOT OR
LESS FRIDAY EVENING.

$$


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