Great Lakes Forecast
Issued by NWS

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037
FZUS61 KBUF 070538
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1230 AM EST WED DEC 7 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.5 INCH AREA OF LOW PRESSURE IS LOCATED NORTH OF
LAKE SUPERIOR THIS EARLY MORNING WITH A COLD FRONT RACING EASTWARD
ACROSS THE LAKE THIS MORNING. THIS AREA OF LOW PRESSURE WILL THEN
SLOWLY WEAKEN THROUGH FRIDAY, WHILE SPINNING ACROSS ONTARIO AND INTO
QUEBEC CANADA. ON SATURDAY A LARGE 30.5 INCH HIGH WILL BUILD FROM THE
TENNESSEE VALLEY TO THE CAROLINA COASTLINE...WHILE ALSO EXTENDING
NORTHWARD ACROSS THE LOWER GREAT LAKES.

LOZ062-071000-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1230 AM EST WED DEC 7 2016

.OVERNIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST.
A CHANCE OF RAIN SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET.
.WEDNESDAY...WEST WINDS TO 30 KNOTS BECOMING SOUTHWEST. WAVES
3 TO 6 FEET BUILDING TO 5 TO 8 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST.
A CHANCE OF RAIN SHOWERS IN THE EVENING...THEN A CHANCE OF RAIN
AND SNOW SHOWERS OVERNIGHT. WAVES 4 TO 6 FEET.
.THURSDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS. A
CHANCE OF SNOW IN THE MORNING...THEN A CHANCE OF SNOW SHOWERS IN
THE AFTERNOON. WAVES 5 TO 8 FEET.
.THURSDAY NIGHT...WEST WINDS TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 5 TO 9 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. LAKE EFFECT SNOW. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. SNOW AND RAIN LIKELY DURING THE DAY...THEN SNOW LIKELY
SUNDAY NIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.

$$

LOZ063>065-071000-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1230 AM EST WED DEC 7 2016

.OVERNIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH.
RAIN. WAVES 3 TO 5 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST. RAIN
LIKELY THROUGH MID MORNING...THEN A CHANCE OF RAIN SHOWERS FROM
LATE MORNING ON. WAVES 3 TO 5 FEET BUILDING TO 5 TO 8 FEET.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST.
A CHANCE OF RAIN SHOWERS IN THE EVENING...THEN LAKE EFFECT SNOW
WITH LAKE EFFECT RAIN LIKELY OVERNIGHT. SOME RUMBLES OF THUNDER
ARE POSSIBLE. WAVES 4 TO 7 FEET.
.THURSDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS. LAKE EFFECT SNOW WITH SOME RUMBLES OF THUNDER POSSIBLE.
WAVES 3 TO 6 FEET BUILDING TO 6 TO 9 FEET.
.THURSDAY NIGHT...WEST WINDS TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. LAKE EFFECT SNOW. WAVES 6 TO 10 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 20 KNOTS. LAKE EFFECT SNOW. WAVES
5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH.
OCCASIONAL LAKE EFFECT SNOW DURING THE DAY...THEN LAKE EFFECT
SNOW SHOWERS LIKELY SATURDAY NIGHT. WAVES 2 TO 4 FEET SUBSIDING
TO 2 FEET OR LESS.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. A CHANCE
OF SNOW AND RAIN DURING THE DAY...THEN SNOW LIKELY SUNDAY NIGHT.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET.

$$

LOZ061-070900-
MAFOR 0707 AMD/
ONTARIO WEST 1/2 11510 11620 12640 11630 12530. A CHANCE OF
SHOWERS OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET
OVERNIGHT. WAVES 3 TO 6 FEET BUILDING TO 5 TO 8 FEET WEDNESDAY.
WAVES 4 TO 6 FEET WEDNESDAY EVENING.

ONTARIO EAST 1/2 11426 11526 12640 11630 11620 11520. A CHANCE OF
SHOWERS WEDNESDAY AFTERNOON. A CHANCE OF RAIN SHOWERS WEDNESDAY
EVENING. WAVES 3 TO 5 FEET OVERNIGHT. WAVES 3 TO 5 FEET BUILDING
TO 5 TO 8 FEET WEDNESDAY. WAVES 4 TO 7 FEET WEDNESDAY EVENING.

$$



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