Great Lakes Forecast
Issued by NWS

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FZUS61 KBUF 202337
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
730 PM EDT MON APR 20 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A DEEPENING 29.1 INCH LOW WILL TRACK NORTH OF LAKE
SUPERIOR 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. NARROW RIDGING OF HIGH
PRESSURE WILL SETTLE OVER THE GREAT LAKES FOR FRIDAY AND SATURDAY.

LOZ062-063-210300-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO SODUS BAY-
730 PM EDT MON APR 20 2015

.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. SHOWERS
LIKELY WITH SCATTERED THUNDERSTORMS. SOME THUNDERSTORMS MAY
PRODUCE GUSTY WINDS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO
10 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS IN THE EVENING...THEN A
CHANCE OF RAIN AND SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 20 KNOTS. A CHANCE OF RAIN
AND SNOW SHOWERS. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS DURING THE DAY. WAVES
2 TO 4 FEET BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST 10 TO
15 KNOTS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ064-065-210300-
LAKE ONTARIO OPEN WATERS FROM SODUS BAY TO THE SAINT LAWRENCE
RIVER-
730 PM EDT MON APR 20 2015

.TONIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
10 TO 15 KNOTS. RAIN SHOWERS LIKELY WITH SCATTERED THUNDERSTORMS.
SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS. WAVES 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF RAIN
SHOWERS THROUGH MID MORNING. A CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 1 TO 2 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING SOUTH. A
CHANCE OF RAIN AND SNOW SHOWERS. WAVES 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF RAIN AND SNOW SHOWERS IN THE MORNING...THEN A CHANCE OF
RAIN SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST.
A CHANCE OF RAIN AND SNOW SHOWERS IN THE EVENING...THEN A CHANCE
OF SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF RAIN AND SNOW SHOWERS DURING THE DAY. WAVES
2 TO 4 FEET BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO
15 KNOTS. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS. WAVES 1 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-210200-
MAFOR 2100 AMD/
ONTARIO WEST 1/2 11516 14510 12520. SCATTERED THUNDERSTORMS
THROUGH EARLY EVENING. WAVES 1 TO 3 FEET.

ONTARIO EAST 1/2 11426 13516 13510. A CHANCE OF THUNDERSTORMS
TONIGHT. WAVES 1 TO 3 FEET.

$$






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