Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 200752
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
352 AM EDT MON MAY 20 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A WEAK 30.0 INCH FRONTAL BOUNDARY OVER SOUTHERN
ONTARIO WILL SETTLE SOUTH ACROSS THE LAKE THIS AFTERNOON AND
EVENING. THE FRONT WILL STALL OVER THE LAKE OVERNIGHT BEFORE
PUSHING SOUTH TO NEW YORK STATE DURING THE DAY TUESDAY. THE FRONT
WILL THEN LIFT BACK NORTH ACROSS THE LAKE TUESDAY NIGHT AND
WEDNESDAY. A 29.4 INCH LOW WILL TRACK EAST ALONG THE FRONT
WEDNESDAY NIGHT AND EARLY THURSDAY.

LOZ062-201515-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
352 AM EDT MON MAY 20 2013

.TODAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING EAST. WAVES
AVERAGING ONE FOOT.
.TONIGHT...NORTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST. A
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 FOOT
OR LESS.
.TUESDAY...SOUTH WINDS LESS THAN 10 KNOTS BECOMING EAST. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND ONE
FOOT.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR
LESS.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.THURSDAY...WEST WINDS 5 TO 10 KNOTS. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS. WAVES AVERAGING ONE FOOT.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-201515-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
352 AM EDT MON MAY 20 2013

.TODAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTH. WAVES
AVERAGING ONE FOOT.
.TONIGHT...NORTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.
.TUESDAY...SOUTH WINDS 10 KNOTS OR LESS BECOMING NORTHEAST. A
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES
AROUND ONE FOOT.
.TUESDAY NIGHT...VARIABLE WINDS 10 KNOTS OR LESS. SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-201515-
MAFOR 2009/
ONTARIO WEST 1/2 12500 11600 11800 11100 12200 11300. WAVES 1
FOOT OR LESS.

ONTARIO EAST 1/2 12500 11600 11700 12100 11200 11300. WAVES 1
FOOT OR LESS.

$$

RSH





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