Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 210545
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
145 AM EDT TUE MAR 21 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A WEAK TROUGH WILL CROSS THE REGION OVERNIGHT...THEN
AN ARCTIC COLD FRONT WILL APPROACH THE LAKE ON TUESDAY AND CROSS
THE LAKE TUESDAY EVENING. A 30.6 INCH HIGH OVER MANITOBA TUESDAY
NIGHT WILL THEN GRADUALLY BUILD ACROSS THE LOWER GREAT LAKES
WEDNESDAY AND WEDNESDAY NIGHT...BEFORE GRADUALLY MAKING ITS WAY
OFF THE MID ATLANTIC COAST LATE THURSDAY AND THURSDAY NIGHT. A
WARM FRONT WILL THEN SET UP IN THE VICINITY OF THE LAKE FRIDAY.

LOZ062-210900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
145 AM EDT TUE MAR 21 2017

.OVERNIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST. A
CHANCE OF SPRINKLES. WAVES AROUND 1 FOOT.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS TO 30 KNOTS BECOMING NORTHWEST.
SCATTERED SNOW SHOWERS IN THE EVENING. WAVES 2 TO 4 FEET BUILDING
TO 3 TO 5 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS. WAVES 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTH. A
CHANCE OF RAIN SHOWERS THURSDAY NIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING NORTHWEST. RAIN
SHOWERS. WAVES 1 TO 3 FEET.
.SATURDAY...NORTHEAST WINDS 15 TO 25 KNOTS. RAIN LIKELY DURING
THE DAY...THEN RAIN AND SNOW LIKELY SATURDAY NIGHT. WAVES 2 TO
4 FEET BUILDING TO 3 TO 6 FEET.

$$

LOZ063>065-210900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
145 AM EDT TUE MAR 21 2017

.OVERNIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS. A CHANCE OF
RAIN AND SNOW SHOWERS. WAVES 1 FOOT OR LESS.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
A CHANCE OF SPRINKLES AND FLURRIES EARLY. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS TO 30 KNOTS BECOMING NORTHWEST.
SCATTERED RAIN AND SNOW SHOWERS IN THE EVENING...THEN SCATTERED
SNOW SHOWERS OVERNIGHT. WAVES 3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST.
SCATTERED FLURRIES IN THE MORNING. WAVES 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO
10 TO 15 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.FRIDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS. RAIN SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO
3 FEET.
.SATURDAY...NORTHEAST WINDS 15 TO 25 KNOTS. RAIN LIKELY DURING
THE DAY...THEN RAIN AND SNOW LIKELY SATURDAY NIGHT. WAVES 2 TO
4 FEET BUILDING TO 3 TO 6 FEET.

$$

LOZ061-210900-
MAFOR 2106 AMD/
ONTARIO WEST 1/2 12600 12610 11620 11630 11740. WAVES 1 FOOT OR
LESS OVERNIGHT. WAVES 1 TO 3 FEET TUESDAY. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET TUESDAY EVENING.

ONTARIO EAST 1/2 12500 12610 11620 11630 11740. A CHANCE OF RAIN
AND SNOW SHOWERS OVERNIGHT. SCATTERED RAIN AND SNOW SHOWERS
TUESDAY EVENING. WAVES 1 FOOT OR LESS OVERNIGHT. WAVES 1 TO 3
FEET TUESDAY. WAVES 3 TO 6 FEET TUESDAY EVENING.

$$

APFFEL/JJR/RSH



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