Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 271751
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
151 PM EDT THU APR 27 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.3 INCH LOW OVER EASTERN LAKE SUPERIOR WILL TRACK
NORTH TO JAMES BAY WHILE AN ASSOCIATED COLD FRONT CROSSES LAKE
ONTARIO TONIGHT. WEAK HIGH PRESSURE AVERAGING 30.1 INCHES WILL
THEN CROSS THE LAKE ON FRIDAY. A WEAK COLD FRONT IS FORECAST TO
MOVE SOUTHEAST ACROSS THE LAKE SATURDAY BEFORE LIFTING BACK NORTH
ACROSS THE LAKE AS A WARM FRONT SUNDAY. THEN A 29.1 INCH LOW WILL
MOVE INTO THE UPPER GREAT LAKES REGION MONDAY.

LOZ062-272115-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
151 PM EDT THU APR 27 2017

.THIS AFTERNOON...EAST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS
LATE. WAVES 1 FOOT OR LESS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS. SHOWERS LIKELY WITH THUNDERSTORMS IN THE EVENING...THEN
SCATTERED SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY BE
SEVERE WITH STRONG WINDS. 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 15 KNOTS BECOMING NORTH. A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING EAST 10 TO
15 KNOTS. A CHANCE OF SHOWERS. WAVES 1 TO 3 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. WAVES 1 TO 3 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-272115-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
151 PM EDT THU APR 27 2017

.THIS AFTERNOON...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS. WAVES 1 FOOT OR LESS.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST. SHOWERS
AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS
LIKELY AFTER MIDNIGHT. SCATTERED SHOWERS LATE. SOME THUNDERSTORMS
MAY BE SEVERE WITH STRONG WINDS AND GUSTY WINDS THROUGH THE EARLY
OVERNIGHT. WAVES 2 FEET OR LESS.
.FRIDAY...WEST WINDS 15 TO 20 KNOTS BECOMING NORTHWEST AND
DIMINISHING TO 5 TO 10 KNOTS. 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...SOUTH WINDS 5 TO 15 KNOTS BECOMING NORTH. A CHANCE OF
RAIN SHOWERS DURING THE DAY. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST. 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.

$$

LOZ061-272115-
MAFOR 2715/
ONTARIO WEST 1/2 12210 11319 11529 11520 11620 11610 11510.
SCATTERED SHOWERS OVERNIGHT. WAVES 2 FEET OR LESS.

ONTARIO EAST 1/2 12310 11320 11419 11519 11520 11620 11610. WAVES
2 FEET OR LESS.

$$


WOOD



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