Great Lakes Forecast
Issued by NWS

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378
FZUS61 KBUF 210237
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1030 PM EDT SAT AUG 20 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...LOW PRESSURE 29.4 INCHES OVER EASTERN LAKE SUPERIOR WILL
SLOWLY DEEPEN TO 29.2 INCHES AS IT TRACKS INTO QUEBEC OVERNIGHT AND
SUNDAY. A TRAILING STRONG COLD FRONT WILL CROSS THE LAKE SUNDAY.
IN THE WAKE OF THE FRONT...A 30.3 INCH HIGH WILL BUILD ACROSS THE
LOWER LAKES MONDAY AND TUESDAY...THEN WILL SLIDE OFF THE EAST COAST
WEDNESDAY.

LOZ062-210900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1030 PM EDT SAT AUG 20 2016

.OVERNIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH
15 TO 20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS LATE.
WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST. SHOWERS WITH
THUNDERSTORMS LIKELY IN THE MORNING...THEN SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST. A
CHANCE OF WATERSPOUTS. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET
BUILDING TO 4 TO 7 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. A CHANCE
OF WATERSPOUTS IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING. WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST.
WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS WEDNESDAY NIGHT. WAVES 1 TO
3 FEET.
.THURSDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE DAY...THEN SHOWERS
AND THUNDERSTORMS LIKELY THURSDAY NIGHT. WAVES 2 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-210900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1030 PM EDT SAT AUG 20 2016

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

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-210800-
MAFOR 2103/
ONTARIO WEST 1/2 11410 11420 12429 11529 11620 12630. A CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FEET BUILDING
TO 2 TO 4 FEET OVERNIGHT. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5
FEET SUNDAY. WAVES 3 TO 5 FEET BUILDING TO 4 TO 7 FEET SUNDAY
EVENING.

ONTARIO EAST 1/2 11420 12430 12439 11529 11520 11630. A CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. A CHANCE OF THUNDERSTORMS
SUNDAY EVENING. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET
OVERNIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET SUNDAY.
WAVES 3 TO 6 FEET SUNDAY EVENING.

$$



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