Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 050310
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1010 PM EST SUN DEC 4 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A WEAK 29.9 INCH TROUGH WILL CROSS THE LAKE OVERNIGHT
AND EARLY MONDAY. IN ITS WAKE...A 30.2 INCH HIGH WILL QUICKLY
BUILD ACROSS THE LOWER LAKES MONDAY AFTERNOON AND NIGHT...BEFORE
EXITING ACROSS THE SAINT LAWRENCE VALLEY ON TUESDAY. ANOTHER 29.9
INCH TROUGH WILL THEN CROSS THE LAKE TUESDAY NIGHT AND EARLY
WEDNESDAY... BEFORE A MORE SIGNIFICANT 28.7 INCH COASTAL LOW
DEVELOPS NEAR THE GULF OF MAINE LATE IN THE WEEK.

LOZ062-051015-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1010 PM EST SUN DEC 4 2016

.REST OF TONIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST.
RAIN...THEN RAIN AND SNOW LATE. WAVES 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST AND INCREASING
TO 15 TO 25 KNOTS. RAIN LIKELY THROUGH MID MORNING...THEN A
CHANCE OF RAIN LATE IN THE MORNING. WAVES 2 TO 4 FEET BUILDING TO
3 TO 5 FEET.
.MONDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST LESS
THAN 10 KNOTS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. RAIN IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO
2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS. RAIN IN THE EVENING...THEN A CHANCE OF RAIN
OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 10 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS. SNOW AND RAIN SHOWERS LIKELY DURING THE DAY...THEN SNOW
SHOWERS LIKELY THURSDAY NIGHT. WAVES 2 TO 4 FEET BUILDING TO 5 TO
8 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 6 FEET.

$$

LOZ063>065-051015-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1010 PM EST SUN DEC 4 2016

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF
RAIN AND SNOW LATE THIS EVENING...THEN RAIN AND SNOW AFTER
MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST. RAIN AND
SNOW THROUGH MID MORNING...THEN RAIN LIKELY LATE IN THE MORNING.
A CHANCE OF RAIN EARLY IN THE AFTERNOON. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING EAST LESS
THAN 10 KNOTS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. RAIN IN THE AFTERNOON. WAVES 1 FOOT OR LESS BUILDING TO
2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH
10 TO 15 KNOTS. RAIN. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A
CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST AND
INCREASING TO 30 KNOTS. SNOW SHOWERS WITH RAIN SHOWERS LIKELY
DURING THE DAY...THEN SNOW SHOWERS THURSDAY NIGHT. WAVES 2 TO
4 FEET BUILDING TO 6 TO 9 FEET.
.FRIDAY...NORTHWEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO
20 KNOTS. SNOW SHOWERS LIKELY. WAVES 6 TO 10 FEET SUBSIDING TO
5 TO 8 FEET.

$$

LOZ061-051015-
MAFOR 0504/
ONTARIO WEST 1/2 11226 11327 11416 11530 12630 12610. A CHANCE OF
SNOW LATE THIS EVENING. A CHANCE OF RAIN MONDAY MORNING. WAVES 2
TO 4 FEET OVERNIGHT. WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET
MONDAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET MONDAY
EVENING.

ONTARIO EAST 1/2 11316 11327 11317 11536 11630 11730 12710. A
CHANCE OF RAIN LATE THIS EVENING. WAVES 1 TO 3 FEET BUILDING TO 2
TO 4 FEET OVERNIGHT. WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET
MONDAY. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET MONDAY
EVENING.

$$



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