Great Lakes Forecast
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000
FZUS61 KBUF 250817
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
417 AM 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
INTO 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.

LOZ062-251500-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
417 AM EDT THU MAY 25 2017

.TODAY...EAST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS. RAIN.
WAVES 2 TO 4 FEET BUILDING TO 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. AREAS OF FOG. A CHANCE OF SHOWERS.
WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING WEST. AREAS OF FOG
IN THE MORNING. SCATTERED SHOWERS. WAVES 1 TO 2 FEET.
.FRIDAY NIGHT...WEST WINDS 10 KNOTS OR LESS. 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>065-251500-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
417 AM EDT THU MAY 25 2017

.TODAY...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST. RAIN.
WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET.
.TONIGHT...EAST WINDS 15 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS. AREAS OF FOG. A CHANCE OF SHOWERS. WAVES 3 TO 5 FEET
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST. AREAS OF
FOG IN THE MORNING. SCATTERED SHOWERS. 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.

$$

LOZ061-251500-
MAFOR 2509/
ONTARIO WEST 1/2 11226 12236 11246 11230 11223 12113. A CHANCE OF
SHOWERS TONIGHT. WAVES 2 TO 4 FEET BUILDING TO 4 TO 7 FEET...AND
OCCASIONALLY AROUND 9 FEET TODAY. WAVES 3 TO 6 FEET SUBSIDING TO
2 TO 4 FEET TONIGHT.

ONTARIO EAST 1/2 11216 14226 11223 11213 11113. A CHANCE OF
SHOWERS TONIGHT. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET TODAY.
WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT.

$$

JJR/RSH



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