Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 221145
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
630 AM EST WED FEB 22 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS... A BROAD AREA OF WEAK HIGH PRESSURE AVERAGING 30.0
INCHES WILL THEN REMAIN IN PLACE FROM THE OHIO VALLEY TO THE
SOUTHEAST STATES THROUGH THURSDAY. A STRONG 29.2 INCH LOW WILL
THEN MOVE FROM NORTHERN ILLINOIS ON FRIDAY THROUGH THE CENTRAL
GREAT LAKES FRIDAY NIGHT...REACHING WESTERN QUEBEC BY LATE
SATURDAY. A STRONG COLD FRONT TRAILING THIS LOW WILL CROSS THE
LAKE EARLY SATURDAY.

LOZ062-221600-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
630 AM EST WED FEB 22 2017

.TODAY...EAST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST. PATCHY
FOG THIS AFTERNOON. WAVES 1 FOOT OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. PATCHY FOG. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN
THE MORNING. WAVES 1 TO 3 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS BECOMING EAST 15 TO
20 KNOTS. RAIN SHOWERS LIKELY OVERNIGHT. WAVES 2 FEET OR LESS
BUILDING TO 2 TO 4 FEET.
.FRIDAY...EAST WINDS 15 TO 25 KNOTS BECOMING SOUTH. RAIN SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 3 TO 6 FEET
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST TO 30 KNOTS.
OCCASIONAL RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS DURING THE
DAY...THEN A CHANCE OF RAIN AND SNOW SHOWERS SATURDAY NIGHT.
WAVES 2 TO 4 FEET BUILDING TO 5 TO 8 FEET.
.SUNDAY...WEST WINDS 15 TO 25 KNOTS. WAVES 4 TO 7 FEET SUBSIDING
TO 3 TO 6 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-221600-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
630 AM EST WED FEB 22 2017

.TODAY...SOUTHEAST WINDS 10 KNOTS OR LESS. PATCHY FOG LATE. WAVES
1 FOOT OR LESS.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. PATCHY FOG. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS. WAVES
1 TO 3 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING
NORTHEAST 15 TO 20 KNOTS. A CHANCE OF RAIN SHOWERS OVERNIGHT.
WAVES 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH. RAIN
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS DURING THE DAY...
THEN A CHANCE OF RAIN SHOWERS AND THUNDERSTORMS FRIDAY NIGHT.
WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST TO 30 KNOTS.
OCCASIONAL RAIN SHOWERS WITH A CHANCE OF THUNDERSTORMS DURING THE
DAY...THEN SNOW SHOWERS LIKELY WITH A CHANCE OF RAIN SHOWERS
SATURDAY NIGHT. WAVES 3 TO 5 FEET BUILDING TO 6 TO 9 FEET.
.SUNDAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 20 KNOTS.
SNOW SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF SNOW
SHOWERS SUNDAY NIGHT. WAVES 5 TO 9 FEET SUBSIDING TO 3 TO 6 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-221500-
MAFOR 2213 AMD/
ONTARIO WEST 1/2 12200 11300 12400 12410. WAVES 1 FOOT OR LESS.

ONTARIO EAST 1/2 12300 11200 11300 11400 12410. WAVES 2 FEET OR
LESS.

$$



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