Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | 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 171344
GLFSC

LAKE ST CLAIR FORECAST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
944 AM EDT FRI MAR 17 2017

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 PUSH FROM SOUTHERN
MANITOBA INTO THE LOWER PENINSULA TONIGHT AND INTO SATURDAY
MORNING...WEAKENING TO 29.90 INCHES AS IT TRAVELS SOUTHEAST. HIGH
PRESSURE...30.40 INCHES...WILL THEN PUSH FROM THE CENTRAL PLAINS
INTO THE OHIO VALLEY BY SUNDAY. THAT HIGH PRESSURE WILL MOVE TO THE
EAST AS A COLD FRONT SWINGS THROUGH THE GREAT LAKES ON MONDAY.

LCZ460-172015-
LAKE ST CLAIR-
944 AM EDT FRI MAR 17 2017

.REST OF TODAY...SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT SNOW LIKELY EARLY IN THE AFTERNOON.
SNOW AND RAIN LATE IN THE AFTERNOON.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO 10
KNOTS EARLY IN THE MORNING. SNOW IN THE EVENING. RAIN. A CHANCE OF
LIGHT SNOW AFTER MIDNIGHT.
.SATURDAY...WEST WINDS 5 TO 10 KNOTS. CLOUDY. A CHANCE OF LIGHT RAIN
AND SNOW UNTIL LATE AFTERNOON...THEN A CHANCE OF LIGHT RAIN LATE IN
THE AFTERNOON.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY UNTIL
EARLY MORNING BECOMING PARTLY CLOUDY. A CHANCE OF LIGHT RAIN EARLY
IN THE EVENING.
.SUNDAY...NORTH WINDS 5 TO 10 KNOTS IN THE MORNING BECOMING LIGHT
AND VARIABLE...THEN BECOMING SOUTH 5 TO 10 KNOTS IN THE EVENING.
MOSTLY CLOUDY EARLY IN THE MORNING BECOMING PARTLY CLOUDY.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS. MOSTLY CLOUDY. LIGHT RAIN
LIKELY.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KNOTS. MOSTLY CLEAR.

WAVES OMITTED DUE TO ICE COVERAGE.

$$

DG

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/DTX/GLFTABLESC

GRAPHICAL MARINE FORECASTS ARE AVAILABLE AT WEATHER.GOV/GREATLAKES


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