Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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

437
FZUS63 KDTX 251337
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
937 AM EDT MON APR 25 2016

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...HIGH PRESSURE OF 30.40 INCHES WILL REMAIN ANCHORED
OVER NORTHERN ONTARIO TODAY. MEANWHILE...LOW PRESSURE OF 29.40
INCHES WILL SLOWLY WEAKEN AS IT TRACKS SOUTHERN MINNESOTA THIS
MORNING THROUGH LOWER MICHIGAN TONIGHT. AS THE REMNANT LOW TRACKS
INTO THE EASTERN GREAT LAKES ON TUESDAY...A COLD FRONT WILL SAG
SOUTH FROM THE SOUTHERN GREAT LAKES INTO THE OHIO VALLEY. THIS WILL
ALLOW THE HIGH PRESSURE SYSTEM OVER NORTHERN ONTARIO TO EXPAND
ACROSS THE GREAT LAKES REGION BY WEDNESDAY.

LCZ460-252015-
LAKE ST CLAIR-
937 AM EDT MON APR 25 2016

.REST OF TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS. PARTLY SUNNY. A
CHANCE OF SHOWERS AND THUNDERSTORMS BY MID AFTERNOON. WAVES 2 FEET
OR LESS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. SHOWERS AND
THUNDERSTORMS LIKELY THROUGH MIDNIGHT...THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE. WAVES 2 FEET OR LESS.
.TUESDAY...WEST WINDS 5 TO 10 KNOTS...BECOMING NORTH 10 TO 15 KNOTS
BY LATE MORNING...THEN INCREASING TO 15 TO 20 KNOTS BY MID
AFTERNOON. MOSTLY CLOUDY. A CHANCE OF DRIZZLE. WAVES 2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...DIMINISHING TO
5 TO 10 KNOTS LATE. MOSTLY CLOUDY EARLY IN THE EVENING...BECOMING
MOSTLY CLEAR OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY...THEN
PARTLY CLOUDY WITH A CHANCE OF LIGHT SHOWERS THROUGH MIDNIGHT. WAVES
2 FEET OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET
OR LESS.

$$

JVC

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.