Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 190844
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
330 AM EST SUN FEB 19 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 30.0 INCH AREA OF HIGH PRESSURE LOOSELY STRETCHED FROM
THE NORTHERN PLAINS AND TOWARDS THE SOUTHEAST THIS MORNING WILL
INCREASE IN STRENGTH TO 30.4 INCHES AS IT NEARS THE LAKE MONDAY.
BEFORE THIS AREA OF HIGH PRESSURE REACHES THE LAKE, A WEAK BACKDOOR
COLD FRONT WILL DROP ACROSS THE LAKE TODAY AND TONIGHT. ANOTHER WEAK
COLD FRONT WILL CROSS THE LAKE TUESDAY AFTERNOON AND EVENING, THIS
FROM AN 29.2 INCH AREA OF LOW PRESSURE THAT WILL REMAIN NEAR
SOUTHERN HUDSON BAY THROUGH THURSDAY. HIGH PRESSURE AVERAGING 30.1
INCHES WILL DRIFT ACROSS THE SOUTHEAST STATES WEDNESDAY AND
THURSDAY.

LOZ062-191600-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
330 AM EST SUN FEB 19 2017

.TODAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. WAVES
1 TO 3 FEET.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH. WAVES
1 TO 2 FEET.
.MONDAY...NORTH WINDS 10 KNOTS OR LESS BECOMING EAST. WAVES
2 FEET OR LESS.
.MONDAY NIGHT...EAST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS
BUILDING TO 2 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING WEST. RAIN
SHOWERS LIKELY. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR
LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF RAIN SHOWERS THURSDAY NIGHT. WAVES 2 FEET OR LESS.

$$

LOZ063>065-191600-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
330 AM EST SUN FEB 19 2017

.TODAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
WAVES 1 TO 3 FEET.
.TONIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING NORTH 10 TO
15 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. WAVES
1 TO 3 FEET.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST.
WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF RAIN SHOWERS DURING THE DAY...THEN RAIN SHOWERS LIKELY
TUESDAY NIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF RAIN SHOWERS THURSDAY NIGHT. WAVES 1 TO 3 FEET.

$$

LOZ061-191500-
MAFOR 1910/
ONTARIO WEST 1/2 11510 13610 13710 11810. WAVES 1 TO 3 FEET.

ONTARIO EAST 1/2 14610 11610 12710 11810. WAVES 1 TO 3 FEET.

$$



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