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 151347 RRA
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
941 AM EDT TUE AUG 15 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, 29.80 inches, will track from southern
Lake Michigan this morning across southern Lower Michigan to Lake
Erie this afternoon. Meanwhile, high pressure of 30.00 inches, will
expand from northern Ontario today to the eastern Great Lakes on
Wednesday. Low pressure is forecast to organize over the upper
Midwest on Wednesday, then lift into the northern Great Lakes
Thursday and Thursday night. This system will drive a warm front
across Lower Michigan and Lake Huron on Thursday. This low will
slowly depart to the east on Friday.

LCZ460-152000-
Lake St Clair-
941 AM EDT TUE AUG 15 2017

.REST OF TODAY...Light and variable winds becoming northeast 5 to 10
knots late in the afternoon. Partly sunny. Numerous light showers
late in the morning. A chance of thunderstorms in the late morning
and early afternoon. Scattered light showers early in the afternoon.
Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.WEDNESDAY...Northeast winds 5 to 10 knots in the morning becoming
light and variable. Mostly sunny. Waves 2 feet or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Partly cloudy until
early morning becoming mostly cloudy. Waves 2 feet or less.
.THURSDAY...South winds 5 to 10 knots. Mostly cloudy. A chance of
showers and thunderstorms in the morning...then showers and
thunderstorms likely in the afternoon and evening. Waves 2 feet or
less.
.FRIDAY...West winds 10 to 15 knots. Partly cloudy. Showers and
thunderstorms likely. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.

$$

MR

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.