Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 202026
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
326 PM EST MON FEB 20 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 30.4 INCH HIGH WILL BUILD TO CENTRAL QUEBEC TONIGHT
BEFORE MOVING TO THE CANADIAN MARITIMES TUESDAY. A WEAK COLD FRONT
WILL CROSS THE LAKE TUESDAY EVENING. A BROAD AREA OF WEAK HIGH
PRESSURE AVERAGING 30.0 INCHES WILL THEN REMAIN IN PLACE FROM THE
OHIO VALLEY TO THE SOUTHEAST STATES WEDNESDAY 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.

LOZ062-210415-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
326 PM EST MON FEB 20 2017

.TONIGHT...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. RAIN SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. RAIN SHOWERS
LIKELY IN THE EVENING. WAVES 2 FEET OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES AROUND
1 FOOT.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF RAIN SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS. RAIN SHOWERS LIKELY. WAVES 2 TO 3 FEET SUBSIDING TO
2 FEET OR LESS.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 15 TO
20 KNOTS. RAIN SHOWERS LIKELY OR A CHANCE OF SNOW SHOWERS DURING
THE DAY...THEN A CHANCE OF SNOW SHOWERS SATURDAY NIGHT. WAVES
2 TO 4 FEET BUILDING TO 4 TO 7 FEET.

$$

LOZ063>065-210415-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
326 PM EST MON FEB 20 2017

.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST.
WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. A
CHANCE OF RAIN SHOWERS LATE. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET.
.TUESDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS. RAIN SHOWERS IN THE EVENING...THEN A CHANCE OF
RAIN SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. WAVES
1 FOOT OR LESS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR
LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF RAIN SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH. RAIN
SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF RAIN SHOWERS
FRIDAY NIGHT. WAVES 1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST. RAIN
SHOWERS LIKELY OR A CHANCE OF SNOW SHOWERS DURING THE DAY...THEN
SNOW SHOWERS LIKELY SATURDAY NIGHT. WAVES 2 TO 4 FEET BUILDING TO
4 TO 7 FEET.

$$

LOZ061-210415-
MAFOR 2022/
ONTARIO WEST 1/2 13210 11220 12320 11310 11316. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET TONIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1
TO 3 FEET TUESDAY.

ONTARIO EAST 1/2 11100 11210 12310 13320 11420. A CHANCE OF RAIN
SHOWERS TUESDAY AFTERNOON. WAVES 1 TO 3 FEET TONIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET TUESDAY.

$$


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