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 181432
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
932 AM EST Sat Jan 18 2020

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 low pressure system will continue to lift northeast
through the central Great Lakes region today. This low will
deepen from 29.60 inches near southern Lake Michigan this morning
to around 29.40 inches this evening over northern Lake Huron.
Gusts to gale-force will be likely across the central Great Lakes
with Gale Warnings up for Lakes Huron, St. Clair, and Michigan
waters of Erie.

LCZ460-182115-
Lake St Clair-
932 AM EST Sat Jan 18 2020

...GALE WARNING IN EFFECT FROM 4 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...

.REST OF TODAY...Southeast winds 20 to 25 knots becoming south 15 to
20 knots in the afternoon. Snow late in the morning...then rain and
snow in the afternoon. Drizzle. Waves 2 to 4 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to 35 knot gales.
Cloudy. A chance of light snow and rain likely in the evening...
then a chance of light snow showers after midnight. Waves 2 to 4
feet.
.SUNDAY...West winds 20 to 25 knots with gusts to 30 knots becoming
northwest 15 to 20 knots in the late morning and afternoon. Mostly
cloudy with a chance of light snow showers. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Partly cloudy. Waves 2
feet or less.
.MONDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10
knots in the afternoon...then increasing to 10 to 15 knots in the
evening. Partly cloudy in the morning then clearing. Waves 2 feet or
less.
.TUESDAY...West winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2
feet or less.

$$

SC

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.