Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 090543
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1230 AM EST FRI DEC 9 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.5 INCH AREA OF LOW PRESSURE THAT IS NOW NEARING
THE GULF OF THE SAINT LAWRENCE THIS EARLY MORNING WILL CONTINUE TO
SLIDE EASTWARD TODAY AS IT ENTERS THE WESTERN ATLANTIC
WATERS...WHERE IT WILL THEN DEEPEN. ON SATURDAY A LARGE 30.5 INCH
AREA OF HIGH PRESSURE WILL BUILD FROM THE TENNESSEE VALLEY TO THE
CAROLINA COASTLINE...WHILE ALSO EXTENDING NORTHWARD ACROSS THE LOWER
GREAT LAKES. A 29.9 INCH LOW IS THEN FORECAST TO MOVE FROM THE UPPER
MIDWEST SUNDAY TO THE LOWER GREAT LAKES BY MONDAY.

LOZ062-091000-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1230 AM EST FRI DEC 9 2016

.OVERNIGHT...NORTHWEST WINDS 20 TO 25 KNOTS. LAKE EFFECT
SNOW SHOWERS LIKELY. WAVES 6 TO 9 FEET SUBSIDING TO 4 TO 7 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 20 KNOTS. LAKE EFFECT SNOW
SHOWERS LIKELY THROUGH EARLY AFTERNOON...THEN SCATTERED SNOW
SHOWERS LATE. WAVES 3 TO 5 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS. SCATTERED SNOW SHOWERS IN THE EVENING...THEN LAKE
EFFECT SNOW SHOWERS LIKELY OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING
TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS. LAKE EFFECT SNOW SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY NIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. SNOW SHOWERS LIKELY IN THE EVENING...THEN A CHANCE OF
SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS. SNOW. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 1 TO 2 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO 20 KNOTS.
A CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 2 TO
4 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FEET.

$$

LOZ063>065-091000-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1230 AM EST FRI DEC 9 2016

.OVERNIGHT...NORTHWEST WINDS TO 30 KNOTS. LAKE EFFECT SNOW
AFTER MIDNIGHT...THEN LAKE EFFECT SNOW SHOWERS LIKELY LATE. WAVES
8 TO 11 FEET SUBSIDING TO 6 TO 9 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS. LAKE EFFECT SNOW
SHOWERS LIKELY. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS. LAKE EFFECT SNOW SHOWERS LIKELY IN THE EVENING...
THEN LAKE EFFECT SNOW OVERNIGHT. WAVES 3 TO 6 FEET SUBSIDING TO
2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. LAKE
EFFECT SNOW SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH.
SNOW SHOWERS. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS. SNOW. WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 1 TO 2 FEET BUILDING TO
3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FEET.

$$

LOZ061-090900-
MAFOR 0907 AMD/
ONTARIO WEST 1/2 11737 11730 14720 11720. SCATTERED LAKE EFFECT
SNOW SHOWERS FRIDAY. SCATTERED SNOW SHOWERS FRIDAY EVENING. WAVES
5 TO 8 FEET OVERNIGHT. WAVES 3 TO 6 FEET FRIDAY. WAVES 3 TO 5
FEET SUBSIDING TO 2 TO 4 FEET FRIDAY EVENING.

ONTARIO EAST 1/2 11737 11730 14720 11720. SCATTERED LAKE EFFECT
SNOW SHOWERS FRIDAY AND FRIDAY EVENING. WAVES 6 TO 10 FEET
OVERNIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 6 FEET FRIDAY.
WAVES 3 TO 6 FEET FRIDAY EVENING.

$$


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