Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 222036 RRA
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
430 PM EDT MON MAY 22 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A 29.7 INCH LOW OVER WESTERN LAKE SUPERIOR WILL
DEEPEN TO 29.6 INCHES AS IT TRACKS TO NEAR JAMES BAY BY THIS
EVENING WHILE PUSHING A COLD FRONT ACROSS LAKE ONTARIO. THIS AREA
OF LOW PRESSURE WILL BE FOLLOWED BY WEAK RIDGING ACROSS THE LAKE
TONIGHT INTO TUESDAY. A BROAD 29.4 INCH LOW WILL THEN GRADUALLY
MOVE ACROSS THE LOWER GREAT LAKES ON WEDNESDAY INTO THURSDAY
BEFORE MOVING ACROSS SOUTHERN NEW ENGLAND FRIDAY.

LOZ062-230300-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
430 PM EDT MON MAY 22 2017

.TONIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. WAVES 1 TO 2 FEET.
.TUESDAY...SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST. WAVES
1 FOOT OR LESS.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. A CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 FOOT OR
LESS.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST
10 TO 15 KNOTS. RAIN LIKELY. WAVES 1 TO 2 FEET.
.THURSDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST
10 TO 15 KNOTS. RAIN LIKELY WITH A CHANCE OF THUNDERSTORMS DURING
THE DAY...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
THURSDAY NIGHT. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST. WAVES
1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-230300-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
430 PM EDT MON MAY 22 2017

.TONIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. WAVES 1 TO 2 FEET.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST. WAVES
1 FOOT OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST.
WAVES 1 FOOT OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. A
CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS.
.WEDNESDAY NIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST.
RAIN LIKELY. WAVES 1 TO 3 FEET.
.THURSDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 10 TO
15 KNOTS. RAIN LIKELY WITH A CHANCE OF THUNDERSTORMS DURING THE
DAY...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS THURSDAY
NIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTHWEST.
SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF SHOWERS FRIDAY
NIGHT. WAVES 1 FOOT OR LESS.
.SATURDAY...NORTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-230200-
MAFOR 2221/
ONTARIO WEST 1/2 12510 12500 12400 12300. WAVES 2 FEET OR LESS.

ONTARIO EAST 1/2 11620 11510 11500 14400 11300. WAVES 2 FEET OR
LESS.

$$



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