Great Lakes Forecast
Issued by NWS

Home | 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
FZUS63 KDTX 300743
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 AM EDT SAT MAY 30 2015

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 COLD FRONT...29.90 INCHES...WILL MOVE SOUTH ACROSS THE
GREAT LAKES TODAY AND INTO THE OHIO VALLEY TONIGHT. LOW
PRESSURE...29.80 INCHES...WILL DEVELOP OVER MISSOURI TODAY AND TRACK
ALONG THIS FRONT OVER THE OHIO VALLEY ON SUNDAY. MEANWHILE...HIGH
PRESSURE...30.40 INCHES...WILL BUILD ACROSS LAKE SUPERIOR ON SUNDAY.
THIS HIGH WILL MOVE INTO LOWER MICHIGAN BY MONDAY AS THE LOW LIFTS
OFF TO THE EAST.

LCZ460-302015-
LAKE ST CLAIR-
343 AM EDT SAT MAY 30 2015

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY
EVENING...

.TODAY...SOUTH WINDS 10 TO 15 KNOTS...BACKING TO THE NORTHEAST LATE.
PARTLY SUNNY THROUGH MID AFTERNOON. LIGHT SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS THROUGH EARLY AFTERNOON...THEN SHOWERS WITH
THUNDERSTORMS LIKELY BY MID AFTERNOON. WAVES 2 FEET OR LESS.
.TONIGHT...NORTH WINDS 15 TO 20 KNOTS...BECOMING NORTHEAST 20 TO
25 KNOTS. SHOWERS AND A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3
FEET.
.SUNDAY...NORTH WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS THROUGH
EARLY AFTERNOON. RAIN THROUGH MID AFTERNOON...THEN A CHANCE OF LIGHT
SHOWERS LATE. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. CLOUDY. A CHANCE OF LIGHT SHOWERS THROUGH
MIDNIGHT. WAVES 1 TO 3 FEET.
.MONDAY...NORTH WINDS 15 TO 20 KNOTS...DIMINISHING TO 5 TO 10 KNOTS.
MOSTLY CLOUDY...BECOMING PARTLY SUNNY BY LATE MORNING...BECOMING
MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET
OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
2 FEET OR LESS.

$$

JVC/SC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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