Great Lakes Forecast
Issued by NWS

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718
FZUS61 KBUF 240220
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
1020 PM EDT TUE MAY 23 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 WEAK RIDGE OF HIGH PRESSURE AVERAGING 29.9 INCHES
WILL DRIFT EAST OFF THE NEW ENGLAND COAST THROUGH WEDNESDAY. A
29.4 INCH LOW WILL THEN MOVE FROM THE OHIO VALLEY WEDNESDAY TO
LAKE ERIE BY THURSDAY BEFORE GIVING WAY TO A SECONDARY 29.4 INCH
LOW ALONG THE SOUTHERN NEW ENGLAND COAST BY FRIDAY MORNING. THIS
LOW WILL MOVE INTO THE CANADIAN MARITIMES BY SATURDAY AS A WEAK
30.0 INCH HIGH BUILDS INTO THE GREAT LAKES REGION.

LOZ062-240915-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
1020 PM EDT TUE MAY 23 2017

.OVERNIGHT...EAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS. RAIN LIKELY OVERNIGHT. WAVES 2 TO 3 FEET.
.THURSDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST. RAIN.
WAVES 2 TO 4 FEET BUILDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS. OCCASIONAL RAIN IN THE EVENING...THEN SHOWERS
LIKELY OVERNIGHT. WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST. A
CHANCE OF SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST. A
CHANCE OF SHOWERS SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTH. SHOWERS LIKELY
DURING THE DAY...THEN A CHANCE OF SHOWERS SUNDAY NIGHT. WAVES
1 FOOT OR LESS.

$$

LOZ063>065-240915-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
1020 PM EDT TUE MAY 23 2017

.OVERNIGHT...EAST WINDS 10 KNOTS OR LESS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. WAVES
1 FOOT OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST.
SCATTERED SHOWERS OVERNIGHT. WAVES 1 TO 3 FEET.
.THURSDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST. RAIN.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS. RAIN IN THE EVENING...THEN SHOWERS LIKELY
OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST LESS THAN
10 KNOTS. SHOWERS LIKELY. WAVES 1 FOOT OR LESS.
.SATURDAY...WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHEAST. A
CHANCE OF SHOWERS SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH. SHOWERS
LIKELY. WAVES 2 FEET OR LESS.

$$

LOZ061-240915-
MAFOR 2403/
ONTARIO WEST 1/2 12200 11100 14210 11210. WAVES 2 FEET OR LESS
OVERNIGHT AND WEDNESDAY. WAVES 1 TO 3 FEET WEDNESDAY EVENING.

ONTARIO EAST 1/2 14200 11100 12110 11210. WAVES 2 FEET OR LESS.

$$

HITCHCOCK



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