Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 201933
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
333 PM EDT WED MAY 20 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 30.3 INCH HIGH CENTERED ACROSS THE WESTERN GREAT
LAKES WILL RIDGE ACROSS THE GREAT LAKES TONIGHT AND TOMORROW. A
29.7 INCH LOW WILL FORM NEAR THE OTTAWA VALLEY TOMORROW AND TRACK
ACROSS THE LOWER SAINT LAWRENCE VALLEY FRIDAY. MEANWHILE A COLD
FRONT WILL CROSS THE LAKE FROM NORTH TO SOUTH ON FRIDAY BEFORE A
30.4 INCH AREA OF HIGH PRESSURE MOVES OVER THE REGION THIS
WEEKEND.

LOZ062-210315-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
333 PM EDT WED MAY 20 2015

.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.THURSDAY NIGHT...SOUTHWEST WINDS AROUND 10 KNOTS BECOMING WEST.
WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST AND
INCREASING TO 15 TO 20 KNOTS. WAVES 2 FEET OR LESS.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST
10 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
1 TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS THAN
10 KNOTS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTH. 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>065-210315-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
333 PM EDT WED MAY 20 2015

.TONIGHT...WEST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST.
WAVES 2 FEET OR LESS.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. WAVES
2 FEET OR LESS.
.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. WAVES
1 TO 3 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST LESS THAN
10 KNOTS. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR LESS.
.MONDAY...SOUTHEAST WINDS 10 KNOTS OR LESS BECOMING SOUTH. 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.

$$

LOZ061-210315-
MAFOR 2021/
ONTARIO WEST 1/2 11620 11610 11600 13500 11600 11500. WAVES 1 TO
3 FEET SUBSIDING TO 1 FOOT OR LESS TONIGHT. WAVES 1 FOOT OR LESS
THURSDAY.

ONTARIO EAST 1/2 11620 12610 14500 11510. WAVES 2 TO 4 FEET
SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 1 TO 2 FEET THURSDAY.

$$


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