Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 301733
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
130 PM EDT SAT APR 30 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A BROAD AREA OF HIGH PRESSURE OVER THE REGION THIS
AFTERNOON WILL GRADUALLY RETREAT TO THE NORTH AS A WARM FRONT LIFTS
NORTH ACROSS THE GREAT LAKES TONIGHT. AN AREA OF LOW PRESSURE
AVERAGING 29.8 INCHES WILL TRACK FROM THE LOWER OHIO VALLEY SUNDAY
MORNING TO LAKE ONTARIO MONDAY MORNING WHILE DEEPENING TO 29.7
INCHES. THE LOW WILL MOVE ACROSS NEW ENGLAND MONDAY AND HIGH
PRESSURE WILL BUILD BACK ACROSS THE LAKE MONDAY NIGHT INTO TUESDAY.

LOZ062-063-302100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-
130 PM EDT SAT APR 30 2016

.THIS AFTERNOON...EAST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.
.TONIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 20 KNOTS.
RAIN LATE. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS. RAIN IN
THE MORNING...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING
SOUTHWEST. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN SHOWERS LIKELY OVERNIGHT. WAVES 3 TO 6 FEET
SUBSIDING TO 2 FEET OR LESS.
.MONDAY...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO 15 KNOTS.
SHOWERS LIKELY DURING THE DAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3
FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS. WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ064-065-302100-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
130 PM EDT SAT APR 30 2016

.THIS AFTERNOON...NORTH WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR
LESS.
.TONIGHT...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING EAST. A CHANCE OF
RAIN LATE. WAVES 1 FOOT OR LESS.
.SUNDAY...EAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST. RAIN IN THE
MORNING...THEN RAIN LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTH 10 TO
15 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN SHOWERS LIKELY OVERNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS BECOMING WEST 10 TO 15
KNOTS. SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF SHOWERS
MONDAY NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS. WAVES 2 FEET OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-302000-
MAFOR 3018 AMD/
ONTARIO WEST 1/2 12200 12210 11220 11226 11236. WAVES 1 FOOT OR
LESS THIS AFTERNOON. WAVES 1 TO 3 FEET TONIGHT. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 5 FEET SUNDAY MORNING.

ONTARIO EAST 1/2 12100 11110 12210 11216 11226. A CHANCE OF RAIN
OVERNIGHT. WAVES 2 FEET OR LESS THIS AFTERNOON AND TONIGHT. WAVES
1 TO 3 FEET SUNDAY MORNING.

$$



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