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
157
FZUS63 KDTX 210231
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
931 PM EST Mon Jan 20 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...High pressure averaging 30.80 inches across the
Midwest will continue to drift southeast across the Ohio Valley
by Tuesday evening, weakening down to 30.50 inches along the way.
The advancing system will allow westerly flow to back towards the
southwest by Tuesday afternoon. High pressure to then depart and
expand across the eastern coast later in the week which will
allow a weak warm front to push north across the Great Lakes.

LCZ460-210915-
Lake St Clair-
931 PM EST Mon Jan 20 2020

.REST OF TONIGHT...Northwest winds 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.
.TUESDAY...West winds 5 to 10 knots increasing to 10 to 15 knots
late in the afternoon. Partly sunny. Waves 2 feet or less.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Mostly clear. Waves
2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly sunny. Waves 2
feet or less.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy. Waves
2 feet or less.
.THURSDAY...South winds 5 to 10 knots. Cloudy. Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots. Cloudy with a chance of rain
and snow. Waves 2 feet or less.
.SATURDAY...North winds 10 to 15 knots. Cloudy with rain and snow
likely. Waves 2 feet or less.

$$

AM

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.