Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 181451
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1030 AM EDT THU MAY 18 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.4 INCH LOW WILL TRACK FROM THE UPPER MIDWEST
TO SOUTHERN QUEBEC THROUGH TODAY...WITH ITS TRAILING COLD FRONT
CROSSING LAKE ONTARIO THIS EVENING. IN THE WAKE OF THE FRONT...A
30.4 INCH HIGH WILL THEN CROSS THE LOWER LAKES REGION BETWEEN FRIDAY
AND SATURDAY. A 29.7 INCH LOW WILL DEVELOP NEAR MINNESOTA WHILE THE
SURFACE HIGH MOVES INTO NEW ENGLAND SATURDAY NIGHT AND SUNDAY.

LOZ062-182100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1030 AM EDT THU MAY 18 2017

.THIS AFTERNOON...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS. WAVES 1 TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS
MAY PRODUCE GUSTY WINDS IN THE EVENING. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST.
WAVES 1 FOOT OR LESS.
.SATURDAY...EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
SATURDAY NIGHT. WAVES 1 TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS AROUND 10 KNOTS BECOMING SOUTHWEST.
SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS DURING
THE DAY. WAVES 2 FEET OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-182100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1030 AM EDT THU MAY 18 2017

.THIS AFTERNOON...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS THROUGH THE EARLY OVERNIGHT. SOME
THUNDERSTORMS MAY PRODUCE GUSTY WINDS IN THE EVENING. WAVES 1 TO
3 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO
15 KNOTS. A CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST.
WAVES 2 FEET OR LESS.
.SATURDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST. A
CHANCE OF SHOWERS SATURDAY NIGHT. WAVES 2 FEET OR LESS.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE DAY...
THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS SUNDAY NIGHT. WAVES
2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. SHOWERS
LIKELY DURING THE DAY. WAVES 2 FEET OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-182000-
MAFOR 1815/
ONTARIO WEST 1/2 11510 13520 11610 11620 11720 11710. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 1 TO 3 FEET.

ONTARIO EAST 1/2 11510 12520 12510 12620 11710. A CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 2 FEET OR LESS THIS
AFTERNOON. WAVES 1 TO 3 FEET TONIGHT AND FRIDAY MORNING.

$$



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