Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
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

000
FZUS63 KDTX 141342
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
942 AM EDT Sat Apr 14 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...A large low pressure system beginning to exit the central Plains at
29.50 inches will weaken slightly while it tracks east along a warm
front draped across the southern Great Lakes. The center of the low
will reach southern Lake Michigan at 29.60 inches by Sunday morning
while a strengthening high over James Bay reaches 30.80 inches
leading to a tight pressure gradient across the region. The low will
then exit east of the eastern Lakes Monday night.

LCZ460-142015-
Lake St Clair-
942 AM EDT Sat Apr 14 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.REST OF TODAY...Northeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the afternoon. Showers and a
chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet
in the afternoon.
.TONIGHT...Northeast winds 20 to 25 knots with gusts to 30 knots.
Showers likely...freezing rain and possible thunderstorms likely.
Waves 2 to 4 feet.
.SUNDAY...East winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots late in the afternoon. Showers...
freezing rain and a chance of thunderstorms in the morning...then
showers and a chance of thunderstorms in the afternoon. Waves 2 to 4
feet.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots early in the evening
becoming light and variable...then becoming west 5 to 10 knots after
midnight. A chance of thunderstorms early in the evening. Rain
showers until early morning...then a chance of light showers early
in the morning. Waves 2 feet or less.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in
the evening. Cloudy. A chance of light showers. A chance of light
snow showers late in the evening. Waves 2 feet or less.
.TUESDAY...Northwest winds 15 to 20 knots. Partly cloudy. A chance
of light rain and snow showers. Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy. A chance
of showers. Waves 2 feet or less.

$$

JVC

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.