Great Lakes Forecast
Issued by NWS

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZUS61 KBUF 301738
GLFLO

OPEN LAKE FORECAST FOR LAKE ONTARIO
NATIONAL WEATHER SERVICE BUFFALO NY
138 PM EDT SAT MAY 30 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE ONTARIO

.SYNOPSIS...A 29.5 INCH AREA OF LOW PRESSURE WILL EXIT EASTWARD
ACROSS QUEBEC TODAY...WHILE DRAGGING A COLD FRONT ACROSS THE LAKE
THIS EVENING. THIS COLD FRONT WILL EVENTUALLY STALL ACROSS
PENNSYLVANIA...WITH A WEAK WAVE AVERAGING 29.8 INCHES RIDING ALONG
IT. THIS WAVE WILL PASS ACROSS THE OHIO VALLEY TONIGHT...TO WESTERN
PENNSYLVANIA SUNDAY AND JUST TO THE SOUTHEAST OF THE LAKE MONDAY.
FOLLOWING THIS FRONTAL PASSAGE A 30.2 INCH AREA OF HIGH PRESSURE
WILL DROP ACROSS THE CENTRAL GREAT LAKES TUESDAY...REACHING LAKE
ONTARIO WEDNESDAY AND THURSDAY.

LOZ062-302115-
LAKE ONTARIO OPEN WATERS FROM THE NIAGARA RIVER TO HAMLIN BEACH-
138 PM EDT SAT MAY 30 2015

.THIS AFTERNOON...SOUTHWEST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES
1 TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 15 TO
20 KNOTS. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING...THEN
SHOWERS WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. AREAS OF
FOG LATE. WAVES 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS. AREAS OF FOG IN THE
MORNING. PERIODS OF RAIN. WAVES 1 TO 3 FEET BUILDING TO 4 TO
7 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 20 KNOTS BECOMING NORTH.
PERIODS OF RAIN IN THE EVENING...THEN SHOWERS LIKELY OVERNIGHT.
WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 5 FEET.
.MONDAY...NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF
SHOWERS MONDAY NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 2 FEET OR
LESS.
.TUESDAY...NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHWEST. WAVES
1 FOOT OR LESS.
.WEDNESDAY...WEST WINDS 10 KNOTS OR LESS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ063>065-302115-
LAKE ONTARIO OPEN WATERS FROM HAMLIN BEACH TO THE SAINT LAWRENCE
RIVER-
138 PM EDT SAT MAY 30 2015

.THIS AFTERNOON...SOUTH WINDS 5 TO 10 KNOTS. A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY...THEN SHOWERS AND
THUNDERSTORMS LIKELY LATE. WAVES 2 FEET OR LESS.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTHEAST AND
INCREASING TO 15 TO 25 KNOTS AFTER MIDNIGHT. SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SHOWERS WITH A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. AREAS OF FOG LATE. WAVES 1 FOOT OR
LESS BUILDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KNOTS. AREAS OF FOG IN THE
MORNING. PERIODS OF RAIN. WAVES 3 TO 5 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. RAIN IN THE
EVENING...THEN SHOWERS LIKELY OVERNIGHT. WAVES 3 TO 5 FEET
SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. SHOWERS LIKELY DURING THE DAY...THEN A CHANCE OF
SHOWERS MONDAY NIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 FOOT OR
LESS.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST. A CHANCE
OF SHOWERS DURING THE DAY. WAVES 1 FOOT OR LESS.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING SOUTHWEST.
WAVES 1 FOOT OR LESS.

WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.

$$

LOZ061-302115-
MAFOR 3015/
ONTARIO WEST 1/2 12510 11619 11709 11819 13126. A CHANCE OF
THUNDERSTORMS TONIGHT. WAVES 2 FEET OR LESS THIS AFTERNOON. WAVES
1 TO 3 FEET TONIGHT AND SUNDAY MORNING.

ONTARIO EAST 1/2 11400 11409 11509 11609 11819 11836 12136. A
CHANCE OF THUNDERSTORMS TONIGHT. WAVES 2 FEET OR LESS THIS
AFTERNOON. WAVES 1 FOOT OR LESS BUILDING TO 2 TO 4 FEET TONIGHT.
WAVES 3 TO 5 FEET SUNDAY MORNING.

$$

HITCHCOCK


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.