Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 270541
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
130 AM EDT THU APR 27 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.6 INCH LOW WILL TRACK TO SOUTHERN NEW ENGLAND
TONIGHT. MEANWHILE A DEEPENING 29.3 INCH LOW WILL MOVE TO NEAR
LAKE MICHIGAN. THE STRENGTHENING STORM WILL MOVE TO NORTHEAST OF
LAKE SUPERIOR THURSDAY THEN WILL CONTINUE TO MOVE NORTH WHILE
PUSHING ITS ASSOCIATED COLD FRONT OVER LAKE ONTARIO THURSDAY
NIGHT. WEAK HIGH PRESSURE AVERAGING 30.1 INCHES WILL CROSS THE
LAKE ON FRIDAY. A WEAK COLD FRONT IS THEN FORECAST TO MOVE
SOUTHEAST ACROSS THE LAKE SATURDAY BEFORE STALLING OVER
PENNSYLVANIA SATURDAY NIGHT AND SUNDAY.

LOZ062-270900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
130 AM EDT THU APR 27 2017

.OVERNIGHT...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.
.THURSDAY...EAST WINDS 5 TO 15 KNOTS. SCATTERED SHOWERS LATE.
WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING...THEN
SCATTERED SHOWERS OVERNIGHT. SOME THUNDERSTORMS MAY PRODUCE GUSTY
WINDS IN THE EVENING. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. WAVES
2 FEET OR LESS.
.FRIDAY NIGHT...SOUTH WINDS LESS THAN 10 KNOTS. A CHANCE OF
SHOWERS OVERNIGHT. WAVES 1 FOOT OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTH. A
CHANCE OF SHOWERS DURING THE DAY. WAVES 1 FOOT OR LESS.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES 1 TO 2 FEET BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. SHOWERS
AND THUNDERSTORMS LIKELY DURING THE DAY...THEN SHOWERS LIKELY
MONDAY NIGHT. WAVES 1 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-270900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
130 AM EDT THU APR 27 2017

.OVERNIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 FOOT
OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. WAVES 2 FEET OR LESS.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST.
SHOWERS AND THUNDERSTORMS LIKELY. SOME THUNDERSTORMS MAY PRODUCE
GUSTY WINDS. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. WAVES
2 FEET OR LESS.
.FRIDAY NIGHT...NORTHEAST WINDS LESS THAN 10 KNOTS BECOMING
SOUTH. A CHANCE OF SHOWERS OVERNIGHT. WAVES 1 FOOT OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH. A
CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS. A CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. SHOWERS
AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-270800-
MAFOR 2706 AMD/
ONTARIO WEST 1/2 12300 11200 12210 11319 11519. WAVES 2 FEET OR
LESS.

ONTARIO EAST 1/2 15310 11419. WAVES 2 FEET OR LESS.

$$



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