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National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 190757
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
357 AM EDT Sun May 19 2019

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 29.40 inches will move over
southern WI later today and eventually through northern Lower
Michigan by Monday morning bringing a period of unsettled
weather. This system will bring southerly wind gusts to around 20
knots and chances for thunderstorms. As this low travels into
Quebec, a high pressure averaging 30.20 inches will begin to
build over the Great Lakes late Monday into Tuesday.

LCZ460-192015-
Lake St Clair-
357 AM EDT Sun May 19 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH
THIS EVENING...

TODAY
South winds 10 to 15 knots increasing to 15 to 20 knots in
the afternoon with gusts to 30 mph at times. Showers and
thunderstorms in the afternoon. Waves 1 to 3 feet.

TONIGHT
Southwest winds 15 to 20 knots becoming west 10 to 15
knots after midnight. Showers and thunderstorms early in the
evening...then partly cloudy with a chance of showers and
thunderstorms late in the evening. Partly cloudy after midnight.
Waves 2 feet or less.

MONDAY
West winds 10 to 15 knots increasing to 15 to 20 knots in
the late morning and early afternoon...then diminishing to 10 to 15
knots late in the afternoon. Partly sunny. Waves 1 to 3 feet.

MONDAY NIGHT
Northwest winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly cloudy becoming partly cloudy in the
late evening and early morning becoming clear. Waves 2 feet or less.

TUESDAY
North winds 5 to 10 knots in the morning becoming light
and variable...then becoming northeast 5 to 10 knots in the evening.
Mostly sunny becoming sunny late in the morning becoming mostly
sunny becoming partly cloudy in the evening. Waves 2 feet or less.

WEDNESDAY
East winds 10 to 15 knots. Partly cloudy. Waves 2 feet
or less.

THURSDAY
Southwest winds 5 to 10 knots. Partly cloudy. Waves 2
feet or less.



DG

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftablesc

Graphical marine forecasts are available at weather.gov/greatlakes