Great Lakes Forecast
Issued by NWS

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365
FZUS61 KBUF 101434
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
934 AM EST SAT DEC 10 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A LARGE 30.5 INCH AREA OF HIGH PRESSURE WILL BUILD
FROM THE TENNESSEE VALLEY TO THE CAROLINA COASTLINE TODAY WHILE
ALSO EXTENDING NORTHWARD ACROSS THE OHIO VALLEY. A 29.9 INCH LOW
IS THEN FORECAST TO MOVE FROM THE UPPER MIDWEST ON SUNDAY TO THE
LAKE HURON EARLY MONDAY MORNING...THEN TO WESTERN QUEBEC BY MONDAY
EVENING. A WEAK 30.1 INCH RIDGE IS THEN FORECAST TO CROSS THE
LOWER LAKES ON TUESDAY BEFORE A WEAK TROUGH OF LOW PRESSURE
PASSING THROUGH CANADA SCRAPES BY THE LAKE TUESDAY EVENING AND
OVERNIGHT. LARGE HIGH PRESSURE AVERAGING 30.5 INCHES OVER THE
PLAINS AND SOUTHEAST WILL THEN EXPAND NORTHWARD WITH ITS PERIPHERY
REACHING THE LAKE WEDNESDAY AND THURSDAY.

LOZ062-102230-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
934 AM EST SAT DEC 10 2016

.THIS AFTERNOON...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST
15 TO 20 KNOTS. LAKE EFFECT SNOW. WAVES 1 TO 3 FEET BUILDING TO
3 TO 6 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. LAKE EFFECT SNOW SHOWERS
LIKELY THROUGH EARLY EVENING. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO
5 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A CHANCE
OF SNOW IN THE MORNING...THEN 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 3 TO 5 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS. RAIN LIKELY DURING THE DAY. WAVES 3 TO 5 FEET BUILDING
TO 5 TO 8 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 30 KNOTS.
SNOW SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF SNOW
SHOWERS WEDNESDAY NIGHT. WAVES 3 TO 6 FEET BUILDING TO 6 TO
9 FEET.

$$

LOZ063>065-102230-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
934 AM EST SAT DEC 10 2016

.THIS AFTERNOON...NORTHWEST WINDS 5 TO 15 KNOTS. LAKE EFFECT SNOW.
WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. LAKE
EFFECT SNOW THROUGH EARLY EVENING...THEN LAKE EFFECT SNOW SHOWERS
FROM LATE EVENING ON. WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 6 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS. SNOW. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO
30 KNOTS. SNOW IN THE EVENING...THEN SNOW AND RAIN OVERNIGHT.
WAVES 1 TO 3 FEET BUILDING TO 4 TO 7 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST TO 30 KNOTS.
RAIN DURING THE DAY...THEN A CHANCE OF SNOW SHOWERS MONDAY NIGHT.
WAVES 5 TO 8 FEET BUILDING TO 6 TO 9 FEET.
.TUESDAY...WEST WINDS 15 TO 20 KNOTS. SNOW LIKELY DURING THE
DAY...THEN SNOW SHOWERS LIKELY TUESDAY NIGHT. WAVES 4 TO 7 FEET
SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS.
SNOW SHOWERS LIKELY. WAVES 3 TO 5 FEET BUILDING TO 7 TO 10 FEET.

$$

LOZ061-102230-
MAFOR 1016/
ONTARIO WEST 1/2 12627 11637 11630 12620 12510. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 6 FEET THIS AFTERNOON. WAVES 4 TO 7 FEET
SUBSIDING TO 3 TO 5 FEET TONIGHT. WAVES 2 TO 4 FEET SUBSIDING TO
1 TO 3 FEET SUNDAY MORNING.

ONTARIO EAST 1/2 12707 11627 12637 11620 11527 11517. A CHANCE OF
LAKE EFFECT SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET THIS
AFTERNOON. WAVES 3 TO 6 FEET TONIGHT. WAVES 3 TO 5 FEET SUBSIDING
TO 2 TO 4 FEET SUNDAY MORNING.

$$

HITCHCOCK



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