Great Lakes Forecast
Issued by NWS

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146
FZUS61 KBUF 092348
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
648 PM EST FRI DEC 9 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.5 INCH LOW ACROSS THE GULF OF SAINT LAWRENCE
WILL ENTER THE WESTERN ATLANTIC WATERS TONIGHT...WHERE IT WILL
THEN DEEPEN. A LARGE 30.5 INCH AREA OF HIGH PRESSURE WILL BUILD
FROM THE TENNESSEE VALLEY TO THE CAROLINA COASTLINE ON SATURDAY
WHILE ALSO EXTENDING NORTHWARD ACROSS THE LOWER GREAT LAKES. A
29.9 INCH LOW IS THEN FORECAST TO MOVE FROM THE UPPER MIDWEST ON
SUNDAY TO THE LOWER GREAT LAKES BY MONDAY. A WEAK 30.1 INCH RIDGE
IS THEN FORECAST TO CROSS THE LOWER LAKES ON TUESDAY.

LOZ062-100400-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
648 PM EST FRI DEC 9 2016

.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS. LAKE EFFECT SNOW THIS EVENING...THEN SNOW SHOWERS
LIKELY AFTER MIDNIGHT. WAVES 2 TO 4 FEET.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. LAKE EFFECT SNOW. WAVES 1 TO 3 FEET BUILDING TO
3 TO 6 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. SNOW LIKELY IN THE EVENING...THEN A CHANCE OF SNOW
OVERNIGHT. WAVES 3 TO 5 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. SNOW IN
THE AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH.
SNOW IN THE EVENING...THEN RAIN AND SNOW OVERNIGHT. WAVES 1 TO
2 FEET BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS. SCATTERED FLURRIES OR DRIZZLE WITH POSSIBLE RAIN DURING
THE DAY...THEN A CHANCE OF SNOW SHOWERS MONDAY NIGHT. WAVES 3 TO
5 FEET BUILDING TO 5 TO 9 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES 3 TO 6 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS. SNOW LIKELY DURING THE DAY...THEN A CHANCE OF SNOW
SHOWERS WEDNESDAY NIGHT. WAVES 2 TO 4 FEET BUILDING TO 4 TO
7 FEET.

$$

LOZ063>065-100400-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
648 PM EST FRI DEC 9 2016

.TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. LAKE EFFECT SNOW. WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4
FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. LAKE EFFECT SNOW. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. LAKE EFFECT SNOW. WAVES 3 TO 5 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. SNOW.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. SNOW IN THE EVENING...
THEN SNOW AND RAIN OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO
6 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST TO 30 KNOTS.
RAIN WITH POSSIBLE FLURRIES OR DRIZZLE DURING THE DAY...THEN LAKE
EFFECT SNOW SHOWERS LIKELY MONDAY NIGHT. WAVES 4 TO 7 FEET
BUILDING TO 6 TO 10 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS
DURING THE DAY...THEN LAKE EFFECT SNOW SHOWERS LIKELY TUESDAY
NIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. SNOW LIKELY DURING THE
DAY...THEN LAKE EFFECT SNOW SHOWERS LIKELY WEDNESDAY NIGHT. WAVES
3 TO 5 FEET BUILDING TO 4 TO 7 FEET.

$$

LOZ061-100400-
MAFOR 1001 AMD/
ONTARIO WEST 1/2 11727 12710 11607 11617 11627 11637. WAVES 2 TO
4 FEET TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET
SATURDAY.

ONTARIO EAST 1/2 11727 11710 12717 12707 11717. WAVES 3 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET TONIGHT. WAVES 1 TO 3 FEET SATURDAY.

$$

CHURCH/HITCHCOCK/JJR/WCH



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