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 301943
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
343 PM EDT MON MAR 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...LOW PRESSURE...29.70 INCHES...WILL TRACK CLOSE TO
THE SOUTHERN MICHIGAN BORDER TONIGHT. SURFACE HIGH PRESSURE WILL
THEN EXPAND AGGRESSIVELY OVER THE CENTRAL GREAT LAKES REGION TUESDAY
AND TUESDAY NIGHT. SHOWERS WILL ARRIVE ON THURSDAY AS COLD
FRONT SLOWLY MOVES THROUGH THE AREA.

LCZ460-310815-
LAKE ST CLAIR-
343 PM EDT MON MAR 30 2015

.TONIGHT...NORTH WINDS 15 TO 20 KNOTS EARLY THIS
EVENING...BECOMING LIGHT AND VARIABLE...THEN BECOMING EAST 5 TO 10
KNOTS AFTER MIDNIGHT. PARTLY CLOUDY EARLY THIS EVENING. LIGHT
SHOWERS LIKELY BY MIDNIGHT. SNOW SHOWERS AND A CHANCE OF LIGHT
SHOWERS AFTER MIDNIGHT. WAVES 2 FEET OR LESS.
.TUESDAY...NORTHEAST WINDS 5 TO 10 KNOTS...BECOMING NORTH 10 TO
15 KNOTS BY EARLY AFTERNOON...THEN DIMINISHING TO 5 TO 10 KNOTS
LATE. MOSTLY CLOUDY. A CHANCE OF LIGHT SNOW SHOWERS EARLY. WAVES
2 FEET OR LESS.
.TUESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KNOTS EARLY IN THE
EVENING...BECOMING LIGHT AND VARIABLE OVERNIGHT. PARTLY CLOUDY...
BECOMING MOSTLY CLOUDY BY MIDNIGHT...BECOMING PARTLY CLOUDY
OVERNIGHT. WAVES 2 FEET OR LESS.
.WEDNESDAY...LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST 5 TO
10 KNOTS BY MID AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH
10 TO 15 KNOTS BY MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY WITH A
CHANCE OF LIGHT SHOWERS. WAVES 2 FEET OR LESS.
.FRIDAY...NORTH WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.
.SATURDAY...WEST WINDS 10 TO 15 KNOTS. PARTLY CLOUDY. A CHANCE OF
LIGHT RAIN AND SNOW SHOWERS. WAVES 2 FEET OR LESS.

WAVE HEIGHTS ARE FOR ICE FREE AREAS.

$$

SF

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.