Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 191747
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
130 PM EDT WED APR 19 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.8 INCH AREA OF LOW PRESSURE WILL PUSH ACROSS QUEBEC
THIS AFTERNOON AND NEW ENGLAND TONIGHT... WITH ITS TRAILING COLD
FRONT CROSSING THE LAKE EARLY THIS EVENING. A 29.7 INCH LOW OVER
WISCONSIN THURSDAY MORNING WILL THEN MOVE THROUGH THE CENTRAL GREAT
LAKES THURSDAY AFTERNOON BEFORE REACHING SOUTHERN QUEBEC ON FRIDAY.
A COLD FRONT TRAILING THIS LOW WILL CROSS THE LAKE THURSDAY NIGHT.
THE LOW WILL THEN MOVE INTO THE CANADIAN MARITIMES SATURDAY.

LOZ062-192100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
130 PM EDT WED APR 19 2017

.THIS AFTERNOON...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST.
SHOWERS. WAVES 1 TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A CHANCE
OF SHOWERS EARLY. WAVES 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST TO
30 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE
AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 4 TO 7 FEET.
.THURSDAY NIGHT...EAST WINDS TO 30 KNOTS BECOMING SOUTHWEST AND
DIMINISHING TO 15 TO 20 KNOTS. SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SHOWERS LIKELY OVERNIGHT.
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE EVENING. WAVES
4 TO 7 FEET SUBSIDING TO 2 FEET OR LESS.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS. WAVES 2 TO 4 FEET BUILDING
TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST
10 KNOTS OR LESS. WAVES 2 FEET OR LESS.
.SUNDAY...EAST WINDS 10 KNOTS OR LESS BECOMING NORTH. WAVES
1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-192100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
130 PM EDT WED APR 19 2017

.THIS AFTERNOON...SOUTH WINDS 15 TO 25 KNOTS. SHOWERS. WAVES 3 TO
5 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS. SHOWERS LIKELY EARLY...THEN A CHANCE OF SHOWERS LATE IN
THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING
SOUTHWEST. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN SHOWERS OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE
GUSTY WINDS IN THE EVENING. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SHOWERS DURING
THE DAY. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST AND
DIMINISHING TO 10 KNOTS OR LESS. WAVES 2 TO 4 FEET SUBSIDING TO
1 FOOT OR LESS.
.SUNDAY...EAST WINDS 10 KNOTS OR LESS BECOMING NORTH. WAVES
1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-192000-
MAFOR 1918 AMD/
ONTARIO WEST 1/2 11526 11610 11700 11800 11810 11110 11220. WAVES
2 FEET OR LESS THIS AFTERNOON AND TONIGHT. WAVES 1 TO 3 FEET
THURSDAY MORNING.

ONTARIO EAST 1/2 11436 11416 11500 11700 11810 12120. A CHANCE OF
SHOWERS THIS EVENING. WAVES 3 TO 5 FEET THIS AFTERNOON. WAVES 3
TO 5 FEET SUBSIDING TO 2 FEET OR LESS TONIGHT. WAVES 1 TO 3 FEET
THURSDAY MORNING.

$$



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