Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 200823
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
423 AM EDT SAT AUG 20 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...LOW PRESSURE WILL SLOWLY DEEPEN TO 29.4 INCHES AS IT
TRACKS ACROSS THE UPPER LAKES SATURDAY AND INTO QUEBEC SUNDAY...
WITH ITS TRAILING STRONG COLD FRONT CROSSING THE LAKE DURING
SUNDAY. IN THE WAKE OF THIS FRONT...A 30.3 INCH HIGH WILL BUILD
ACROSS THE LOWER LAKES MONDAY AND TUESDAY...THEN WILL SLIDE OFF
THE EAST COAST WEDNESDAY.

LOZ062-201500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
423 AM EDT SAT AUG 20 2016

.TODAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A CHANCE
OF SHOWERS LATE IN THE EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT...THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS LATE. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST. SHOWERS WITH
A CHANCE OF THUNDERSTORMS THROUGH EARLY AFTERNOON. WAVES 1 TO 3
FEET BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...WEST WINDS TO 30 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS AND WATERSPOUTS OVERNIGHT. WAVES 5 TO 8 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 5 TO 15 KNOTS. A CHANCE OF SHOWERS AND WATERSPOUTS
DURING THE DAY. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. WAVES
1 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-201500-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
423 AM EDT SAT AUG 20 2016

.TODAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST. A CHANCE
OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 TO 3 FEET SUBSIDING TO
1 FOOT OR LESS.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH AND
INCREASING TO 15 TO 25 KNOTS. A CHANCE OF SHOWERS EARLY...THEN A
CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 2 FEET OR LESS
BUILDING TO 3 TO 5 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST. SHOWERS
WITH A CHANCE OF THUNDERSTORMS...TAPERING OFF IN THE AFTERNOON.
WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST TO
30 KNOTS. A CHANCE OF SHOWERS AND WATERSPOUTS OVERNIGHT. WAVES 5
TO 8 FEET BUILDING TO 7 TO 10 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST AND
DIMINISHING TO 10 TO 15 KNOTS. A CHANCE OF SHOWERS AND WATERSPOUTS
DURING THE DAY. WAVES 6 TO 9 FEET SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-201500-
MAFOR 2009/
ONTARIO WEST 1/2 12500 11400 12300 11310 12410. A CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 FOOT OR LESS TODAY.
WAVES 1 TO 3 FEET TONIGHT.

ONTARIO EAST 1/2 12410 11400 12300 11410 12420. A CHANCE OF
SHOWERS AND THUNDERSTORMS LATE TODAY AND OVERNIGHT TONIGHT. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS TODAY. WAVES 2 FEET OR
LESS BUILDING TO 3 TO 5 FEET TONIGHT.

$$

JJR/RSH



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