Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 211742
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
130 PM 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 WILL PUSH SOUTH ACROSS LAKE ONTARIO FRIDAY MORNING. A
SPRAWLING 30.5 INCH HIGH WILL THEN BUILD ACROSS THE MIDWEST 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-
130 PM EDT THU MAY 21 2015

.THIS AFTERNOON...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO
2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. WAVES
1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
A CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 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-
130 PM EDT THU MAY 21 2015

.THIS AFTERNOON...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. WAVES
1 TO 3 FEET.
.FRIDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
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 2118 AMD/
ONTARIO WEST 1/2 12500 12510 12610 11710. WAVES 1 TO 3 FEET.

ONTARIO EAST 1/2 11510 11500 13510 11610 11710. WAVES 1 TO 3
FEET.

$$



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