Great Lakes Forecast
Issued by NWS

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392
FZUS61 KBUF 252019
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
419 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 WILL SLOWLY MOVE ACROSS PENNSYLVANIA
THIS EVENING BEFORE MAKING ITS WAY UP THE NEW ENGLAND COAST LATE
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
NEAR HUDSON BAY MONDAY AND TUESDAY.

LOZ062-260315-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
419 PM EDT THU MAY 25 2017

.TONIGHT...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST AND
DIMINISHING TO 5 TO 15 KNOTS. PATCHY FOG FROM LATE EVENING ON. 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 EARLY. WAVES 1 TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS LESS THAN 10 KNOTS BECOMING SOUTHEAST.
WAVES 1 FOOT OR LESS.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST. WAVES
1 FOOT OR LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 FOOT OR
LESS.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 15 TO
20 KNOTS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES
1 FOOT OR LESS.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS DURING THE DAY...THEN A CHANCE OF SHOWERS
AND THUNDERSTORMS MONDAY NIGHT. WAVES 1 FOOT OR LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 2 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-260315-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
419 PM EDT THU MAY 25 2017

.TONIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS. A CHANCE OF SHOWERS EARLY. A CHANCE OF SHOWERS AFTER
MIDNIGHT. PATCHY FOG 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 EARLY. WAVES 1 FOOT OR LESS.
.FRIDAY NIGHT...NORTHWEST WINDS 10 KNOTS OR LESS BECOMING SOUTH.
WAVES 1 FOOT OR LESS.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST.
WAVES 1 FOOT OR LESS.
.SATURDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS. WAVES 1 FOOT OR
LESS.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH AND
INCREASING TO 15 TO 20 KNOTS. SHOWERS WITH A CHANCE OF
THUNDERSTORMS. WAVES 2 FEET OR LESS.
.MONDAY...SOUTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR
LESS.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. A CHANCE OF SHOWERS.
WAVES 1 TO 2 FEET.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-260315-
MAFOR 2521/
ONTARIO WEST 1/2 11230 11220 11210 11100 11800 11700 12600. A
CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO 7 FEET SUBSIDING TO 1 TO
3 FEET TONIGHT. WAVES 1 TO 2 FEET FRIDAY.

ONTARIO EAST 1/2 11226 11220 11210 12100 11800 12700. A CHANCE OF
SHOWERS OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
TONIGHT. WAVES 1 FOOT OR LESS FRIDAY.

$$



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