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Great Lakes Forecast
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FZUS61 KBUF 202041
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
430 PM 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 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.

LOZ062-210300-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
430 PM EDT MON MAY 20 2013

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

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-210300-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
430 PM EDT MON MAY 20 2013

.TONIGHT...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH. WAVES
1 FOOT OR LESS.
.TUESDAY...SOUTH WINDS 10 KNOTS OR LESS BECOMING NORTHEAST. A
CHANCE OF SHOWERS LATE IN THE MORNING. SCATTERED THUNDERSTORMS
WITH A CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
.TUESDAY NIGHT...EAST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 FOOT OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. SHOWERS AND
THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.WEDNESDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST.
SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH. SHOWERS
LIKELY. WAVES 1 FOOT OR LESS.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. WAVES
2 FEET OR LESS.
.SATURDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-210200-
MAFOR 2021/
ONTARIO WEST 1/2 12200 11300 11400 11500 11400 11300 11200. A
CHANCE OF SHOWERS IN THE MORNING...THEN SCATTERED THUNDERSTORMS
WITH A CHANCE OF SHOWERS TUESDAY AFTERNOON. WAVES 1 FOOT OR LESS.

ONTARIO EAST 1/2 11100 12200 13400 11200 11100. A CHANCE OF
SHOWERS IN THE MORNING...THEN SCATTERED THUNDERSTORMS WITH A
CHANCE OF SHOWERS TUESDAY AFTERNOON. WAVES 1 FOOT OR LESS.

$$
National Weather Service Weather Forecast Office
