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 192053
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
353 PM EST Mon Feb 19 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...Low pressure averaging 29.80 inches will push in over
Michigan Monday evening into Tuesday afternoon, bringing prolonged
rain chances to the Great Lakes. Rain and thunderstorm chances will
continue throughout the entirety of Tuesday as low pressure weakens
slightly down to 29.90 inches by Tuesday evening. A strong high
pressure system averaging 30.80 inches will then build in across the
Great Lakes Wednesday through Thursday.

LCZ460-200915-
Lake St Clair-
353 PM EST Mon Feb 19 2018

.TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots
early in the morning. Light showers. Areas of fog.
.TUESDAY...Southwest winds 10 to 15 knots becoming south 15 to 20
knots in the late morning and afternoon. Showers and a chance of
thunderstorms. Areas of fog early in the morning. Areas of fog in
the afternoon.
.TUESDAY NIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots late in the evening...then diminishing to 10 to 15 knots
after midnight. Areas of dense fog early in the evening. Light
showers and a chance of thunderstorms.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming north 5 to 10
knots in the afternoon. Showers and a chance of thunderstorms early
in the morning...then showers in the late morning and early
afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Partly cloudy.
.THURSDAY...Northeast winds 5 to 10 knots. Mostly cloudy early in
the morning becoming partly cloudy.
.FRIDAY...West winds 5 to 10 knots. Mostly cloudy with a chance of
rain and snow showers.
.SATURDAY...East winds 5 to 10 knots. Mostly cloudy with a chance of
rain and snow showers.

Waves omitted due to ice coverage.

$$

AA

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.