Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 180808
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
408 AM EDT SAT MAR 18 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.9 INCH LOW OVER UPPER MICHIGAN WILL DRIFT
SOUTHEASTWARD ACROSS LAKE ERIE TODAY...BEFORE REDEVELOPING OFF
THE MID ATLANTIC COAST TONIGHT. FOLLOWING THE PASSAGE OF THIS
LOW...A 30.2 INCH HIGH WILL BUILD FROM THE OHIO VALLEY AND
CENTRAL LAKES ON SUNDAY TO THE MID ATLANTIC COASTLINE MONDAY.
A 29.2 INCH LOW MOVING ACROSS HUDSON BAY AND NORTHERN QUEBEC
WILL THEN PUSH ITS ASSOCIATED COLD FRONT ACROSS THE LAKE MONDAY
AFTERNOON AND EVENING...FOLLOWED BY A TRAILING SECONDARY COLD
FRONT LATER TUESDAY.

LOZ062-181500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
408 AM EDT SAT MAR 18 2017

.TODAY...EAST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW EARLY...THEN
SNOW LATE THIS MORNING...MIXING WITH RAIN THIS AFTERNOON. WAVES 2
TO 4 FEET BUILDING TO 3 TO 6 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST. A CHANCE
OF RAIN AND SNOW SHOWERS EARLY...THEN A CHANCE OF SNOW SHOWERS
FROM LATE EVENING ON. WAVES 3 TO 6 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTHWEST 15 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES 1 TO 3 FEET
BUILDING TO 2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS TUESDAY NIGHT. WAVES 3 TO 6 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF SNOW SHOWERS DURING THE DAY. WAVES 3 TO
5 FEET SUBSIDING TO 2 TO 4 FEET.

$$

LOZ063>065-181500-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
408 AM EDT SAT MAR 18 2017

.TODAY...EAST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW LATE THIS
MORNING...THEN SNOW AND RAIN THIS AFTERNOON. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS. SNOW AND RAIN SHOWERS
EARLY...THEN SNOW SHOWERS LIKELY LATE IN THE EVENING. A CHANCE OF
SNOW SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO
4 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTH. WAVES 1 TO
3 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST.
WAVES 2 FEET OR LESS.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO 20 KNOTS.
A CHANCE OF RAIN SHOWERS DURING THE DAY...THEN A CHANCE OF RAIN
AND SNOW SHOWERS MONDAY NIGHT. WAVES 2 FEET OR LESS BUILDING TO
2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS TUESDAY NIGHT. WAVES 3 TO 6 FEET BUILDING TO 4 TO
7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS DURING THE DAY. WAVES 3 TO 6 FEET.

$$

LOZ061-181500-
MAFOR 1809/
ONTARIO WEST 1/2 12220 12227 13220 11210. A CHANCE OF SNOW THIS
MORNING. A CHANCE OF SNOW AND RAIN SHOWERS THIS EVENING...THEN A
CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3
TO 6 FEET TODAY. WAVES 3 TO 6 FEET TONIGHT.

ONTARIO EAST 1/2 13220 12227 12220 11210. A CHANCE OF SNOW
SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET
TODAY...THEN SUBSIDING TO 1 TO 3 FEET TONIGHT.

$$

JJR/RSH



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