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Great Lakes Forecast
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FZUS61 KBUF 180238
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1030 PM EDT FRI MAY 17 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 30.2 INCH HIGH PRESSURE CENTERED NORTH OF LAKE ONTARIO
WILL SLIDE EAST ON SATURDAY THEN OFF THE EAST COAST ON SUNDAY.
FOLLOWING THE DEPARTURE OF THIS HIGH...A FRONTAL BOUNDARY ASSOCIATED
WITH A 29.4 INCH LOW OVER THE NORTHERN PLAINS WILL EXTEND EASTWARD
ACROSS THE GREAT LAKES AND NORTHEAST MONDAY AND TUESDAY.

LOZ062-180900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1030 PM EDT FRI MAY 17 2013

.OVERNIGHT...LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR
LESS.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS. WAVES 1 FOOT OR LESS.
.SATURDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR
LESS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.
.MONDAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY NIGHT. WAVES 1 FOOT OR
LESS.
.TUESDAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING EAST.
SHOWERS AND THUNDERSTORMS LIKELY DURING THE DAY...THEN SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS TUESDAY NIGHT. WAVES 1 FOOT
OR LESS.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING LIGHT AND
VARIABLE. A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR
LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-180900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1030 PM EDT FRI MAY 17 2013

.OVERNIGHT...LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR
LESS.
.SATURDAY...SOUTHEAST WINDS 10 KNOTS OR LESS BECOMING NORTHEAST.
WAVES 1 FOOT OR LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST.
WAVES 1 FOOT OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
15 TO 20 KNOTS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS THAN
10 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS MONDAY NIGHT.
WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST. SHOWERS
AND THUNDERSTORMS LIKELY DURING THE DAY...THEN SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS TUESDAY NIGHT. WAVES 1 FOOT OR
LESS.
.WEDNESDAY...NORTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.
A CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-180800-
MAFOR 1803/
ONTARIO WEST 1/2 11600 11100 11300 12200 13210. WAVES 2 FEET OR
LESS.

ONTARIO EAST 1/2 11400 11300 11400 11300 14100. WAVES 1 FOOT OR
LESS.

$$
National Weather Service National Headquarters
