Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 220850
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
450 AM 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.

LOZ062-221515-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
450 AM EDT MON MAY 22 2017

.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 FOOT OR LESS.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR
LESS.
.TUESDAY NIGHT...LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...NORTH WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST
AND INCREASING TO 15 TO 20 KNOTS. A CHANCE OF SHOWERS DURING THE
DAY...THEN SHOWERS LIKELY WEDNESDAY NIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-221515-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
450 AM EDT MON MAY 22 2017

.TODAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 10 TO
15 KNOTS. SHOWERS THIS MORNING...THEN A CHANCE OF SHOWERS EARLY
THIS AFTERNOON. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KNOTS. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KNOTS. WAVES 1 FOOT
OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST
AND INCREASING TO 15 TO 20 KNOTS. A CHANCE OF SHOWERS DURING THE
DAY...THEN SHOWERS LIKELY WEDNESDAY NIGHT. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 10 TO
15 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-221515-
MAFOR 2209/
ONTARIO WEST 1/2 11510 11500 11600 11610 12510 12500. WAVES 2
FEET OR LESS.

ONTARIO EAST 1/2 11426 11420 11410 11500 11610 11510 12500. A
CHANCE OF SHOWERS THIS MORNING. WAVES 1 TO 3 FEET SUBSIDING TO 1
FOOT OR LESS TODAY. WAVES 2 FEET OR LESS TONIGHT.

$$


WOOD



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