Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 211435
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1030 AM EDT THU MAY 21 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.8 INCH COLD FRONTAL BOUNDARY OVER THE UPPER GREAT
LAKES THIS AFTERNOON WILL PUSH SOUTH ACROSS LAKE ONTARIO BY DAYBREAK
THURSDAY. A SPRAWLING 30.5 INCH HIGH WILL THEN BUILD ACROSS THE MID
AND OHIO VALLEY FRIDAY AND SATURDAY. THIS HIGH WILL CROSS THE MID
ATLANTIC STATES ON SATURDAY BEFORE DRIFTING OFF THE COAST SATURDAY
NIGHT AND SUNDAY.

LOZ062-212100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1030 AM EDT THU MAY 21 2015

.THIS AFTERNOON...WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST
10 TO 15 KNOTS. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SPRINKLES AFTER MIDNIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST AND
INCREASING TO 15 TO 20 KNOTS. A CHANCE OF SPRINKLES IN THE
MORNING. WAVES 1 TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST
10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. WAVES 1 TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 10 KNOTS OR LESS. A CHANCE OF SHOWERS AND
THUNDERSTORMS DURING THE DAY...THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS MONDAY NIGHT. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-212100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1030 AM EDT THU MAY 21 2015

.THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST.
WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SPRINKLES LATE. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS.
.MONDAY...SOUTH WINDS 10 KNOTS OR LESS. A CHANCE OF SHOWERS AND
THUNDERSTORMS DURING THE DAY...THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS MONDAY NIGHT. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-212000-
MAFOR 2115/
ONTARIO WEST 1/2 11600 14510 12610 11700. WAVES 1 TO 3 FEET.

ONTARIO EAST 1/2 11610 14510 12610 11700. A CHANCE OF SHOWERS
FRIDAY MORNING. WAVES 1 TO 3 FEET.

$$



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