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 172034
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
334 PM EST Sat Feb 17 2018

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 will increase to an average of 30.30 inches by
Saturday morning across the Great Lakes as a broad surface high
pressure builds in east across the Ohio Valley. Pressure will then
diminish down to 30.10 inches Monday morning over Michigan, as low
pressure pushes northeast from WI into northern Lake Superior. A
second low averaging 29.80 inches will move in over Michigan by
early Tuesday morning, bringing occasional rain to the state.

LCZ460-180915-
Lake St Clair-
334 PM EST Sat Feb 17 2018

.TONIGHT...West winds 5 to 10 knots. Cloudy until early morning
becoming partly cloudy. A chance of light snow showers until early
morning.
.SUNDAY...South winds 5 to 10 knots. Mostly sunny.
.SUNDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Partly cloudy.
.MONDAY...South winds 5 to 10 knots. Light showers.
.MONDAY NIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots in the late evening and early morning...then diminishing to
10 to 15 knots early in the morning. Light showers.
.TUESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20
knots in the afternoon...then diminishing to 10 to 15 knots in the
evening. Showers and a chance of thunderstorms.
.WEDNESDAY...North winds 10 to 15 knots. Showers and a chance of
thunderstorms.
.THURSDAY...Northeast winds 5 to 10 knots. Partly cloudy. A chance
of snow showers.

Waves omitted due to ice coverage.

$$

SF

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.