Great Lakes Forecast
Issued by NWS

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451
FZUS61 KBUF 251750
GLFLO

GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
130 PM EDT THU MAY 25 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 29.3 INCH LOW OVER OHIO WILL SLOWLY MEANDER ITS WAY
ACROSS PENNSYLVANIA TODAY BEFORE MAKING ITS WAY UP THE NEW
ENGLAND COAST LATER TONIGHT AND FRIDAY. A WEAK 29.9 INCH HIGH WILL
THEN BUILD ACROSS THE LOWER GREAT LAKES ON SATURDAY...BEFORE A
29.6 INCH LOW MOVES FROM THE OHIO VALLEY TO THE ONTARIO-QUEBEC
BORDER SUNDAY AND MONDAY.

LOZ062-252100-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
130 PM EDT THU MAY 25 2017

.THIS AFTERNOON...EAST WINDS 15 TO 25 KNOTS. RAIN EARLY
...THEN SCATTERED SPRINKLES LATE. WAVES 4 TO 7 FEET.
WAVES OCCASIONALLY AROUND 9 FEET.
.TONIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST AND
DIMINISHING TO 5 TO 15 KNOTS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 10 KNOTS OR LESS BECOMING WEST. A CHANCE OF
SHOWERS IN THE MORNING. WAVES 1 TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS. WAVES 1 FOOT OR
LESS.
.SATURDAY...WEST WINDS LESS THAN 10 KNOTS. A CHANCE OF SHOWERS
SATURDAY NIGHT. WAVES 1 FOOT OR LESS.
.SUNDAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 FOOT OR LESS.
.MONDAY...SOUTHWEST WINDS AROUND 10 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-252100-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
130 PM EDT THU MAY 25 2017

.THIS AFTERNOON...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST.
RAIN. WAVES 3 TO 5 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS. A CHANCE OF SHOWERS EARLY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST. A CHANCE
OF SHOWERS IN THE MORNING. WAVES 1 FOOT OR LESS.
.FRIDAY NIGHT...NORTHWEST WINDS 10 KNOTS OR LESS BECOMING
SOUTHWEST. WAVES 1 FOOT OR LESS.
.SATURDAY...LIGHT AND VARIABLE WINDS. WAVES 1 FOOT OR LESS.
.SUNDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. SHOWERS LIKELY DURING
THE DAY...THEN A CHANCE OF SHOWERS MONDAY NIGHT. WAVES 2 FEET OR
LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-252000-
MAFOR 2518 AMD/
ONTARIO WEST 1/2 11246 11230 11220 11210 11100 11800 11700. A
CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO 7 FEET THIS AFTERNOON.
WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT. WAVES 1 TO 2
FEET FRIDAY MORNING.

ONTARIO EAST 1/2 12226 11220 11210 12100 11800. A CHANCE OF
SHOWERS OVERNIGHT. WAVES 2 TO 4 FEET BUILDING TO 3 TO 5 FEET THIS
AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT.
WAVES 1 FOOT OR LESS FRIDAY MORNING.

$$



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