Great Lakes Forecast
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000
FZUS61 KBUF 201144
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
744 AM EDT MON APR 20 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A DEEPENING 29.1 INCH LOW NEAR THE SOO THIS MORNING
WILL TRACK NORTH OF LAKE SUPERIOR THIS AFTERNOON AND SWEEP ITS
ASSOCIATED COLD FRONT ACROSS LAKE ONTARIO IN THE PROCESS. THE LOW
WILL FURTHER STRENGTHEN TO 28.9 INCHES TONIGHT AS IT WILL BECOME
STATIONARY OVER NORTHERN ONTARIO. THE STORM SYSTEM WILL REMAIN
IN PLACE AND WEAKEN OVER NORTHERN ONTARIO TUESDAY AND WEDNESDAY
BEFORE DRIFTING EAST TO QUEBEC WEDNESDAY NIGHT AND THURSDAY.

LOZ062-063-201500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-
744 AM EDT MON APR 20 2015

.TODAY...SOUTHEAST WINDS TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. OCCASIONAL SHOWERS THIS MORNING...THEN OCCASIONAL
SHOWERS WITH A CHANCE OF THUNDERSTORMS LATE. WAVES 5 TO 8 FEET
SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST.
OCCASIONAL SHOWERS WITH A CHANCE OF THUNDERSTORMS THROUGH THE
EARLY OVERNIGHT...THEN JUST A CHANCE OF SHOWERS LATE. WAVES 2 TO
4 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF SHOWERS.
WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES 2 TO 4 FEET.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS. WAVES 2 TO 4 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS. WAVES 2 TO 4 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ064-065-201500-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
744 AM EDT MON APR 20 2015

.TODAY...SOUTHEAST WINDS TO 30 KNOTS. OCCASIONAL SHOWERS THIS
MORNING...THEN A CHANCE OF SHOWERS EARLY THIS AFTERNOON. WAVES
4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST AND
DIMINISHING TO 10 TO 15 KNOTS. OCCASIONAL SHOWERS WITH A CHANCE
OF THUNDERSTORMS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH. A
CHANCE OF RAIN SHOWERS. WAVES 2 TO 4 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. RAIN
SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF SNOW AND RAIN
SHOWERS WEDNESDAY NIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS. WAVES 2 TO 4 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN AND SNOW
SHOWERS. WAVES 2 TO 4 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-201500-
MAFOR 2012 AMD/
ONTARIO WEST 1/2 11336 11330 11320 11426 11526 12520. A CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN A CHANCE OF SHOWERS
OVERNIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 6 FEET TODAY.
WAVES 2 TO 4 FEET TONIGHT.

ONTARIO EAST 1/2 11346 11340 11330 11336 11426 12516. A CHANCE OF
THUNDERSTORMS TONIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET
TODAY AND TO 1 TO 3 FEET TONIGHT.

$$

JJR/RSH





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