Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 290543
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
143 AM EDT MON MAY 29 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.

.SYNOPSIS...A 29.7 INCH LOW WILL PASS BY TO THE NORTH OF THE LAKE
OVERNIGHT AND MERGE WITH A 29.5 INCH LOW OVER NORTHERN ONTARIO
PROVINCE. AN INITIAL COLD FRONT TRAILING FROM THIS LOW WILL CROSS
THE LAKE MONDAY... FOLLOWED BY A SECONDARY COLD FRONT MONDAY NIGHT
AND TUESDAY. MEANWHILE, THE SLOW MOVING 29.4 INCH LOW WILL DRIFT
FROM NORTHERN ONTARIO ACROSS JAMES BAY AND INTO NORTHERN QUEBEC BY
THURSDAY.

LOZ062-290900-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
143 AM EDT MON MAY 29 2017

.OVERNIGHT...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS...THEN OCCASIONAL SHOWERS WITH A
CHANCE OF THUNDERSTORMS LATE. WAVES 1 FOOT OR LESS.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST.
OCCASIONAL SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE MORNING.
WAVES 2 FEET OR LESS.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FOOT.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. WAVES 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO
3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FEET.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF SHOWERS THURSDAY NIGHT. WAVES 1 TO 2 FEET.
.FRIDAY...SOUTHWEST WINDS AROUND 10 KNOTS BECOMING NORTHWEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS DURING THE DAY. WAVES 1 FOOT
OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-290900-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
143 AM EDT MON MAY 29 2017

.OVERNIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. A CHANCE OF
SHOWERS AND THUNDERSTORMS...THEN OCCASIONAL SHOWERS WITH A CHANCE
OF THUNDERSTORMS LATE. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHEAST WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS. OCCASIONAL SHOWERS WITH A CHANCE OF THUNDERSTORMS
THROUGH EARLY AFTERNOON...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 1 TO 3 FEET SUBSIDING TO 1 FOOT OR
LESS.
.MONDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 FOOT OR
LESS.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES 2 FEET OR
LESS.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST. A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST. A
CHANCE OF SHOWERS THURSDAY NIGHT. WAVES 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING WEST. A CHANCE
OF SHOWERS AND THUNDERSTORMS DURING THE DAY. WAVES 2 FEET OR
LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-290900-
MAFOR 2906 AMD/
ONTARIO WEST 1/2 13406 14510. A CHANCE OF THUNDERSTORMS OVERNIGHT
AND MONDAY MORNING. WAVES 2 FEET OR LESS.

ONTARIO EAST 1/2 11320 11326 11316 12510 12500. A CHANCE OF
THUNDERSTORMS OVERNIGHT AND MONDAY MORNING...THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS MONDAY AFTERNOON. WAVES 1 TO 3 FEET
SUBSIDING TO 1 FOOT OR LESS OVERNIGHT AND MONDAY. WAVES 1 FOOT OR
LESS MONDAY EVENING.

$$

JJR


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