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National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 201435

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
935 AM EST Wed Feb 20 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.

Surface low pressure at 29.60 inches will lift into
the western Great Lakes today before tracking into western Quebec
by Thursday morning. A ridge of surface high pressure, 30.40
inches, will build into the Great Lakes for Friday. Early
indications suggest powerful winter storm of 28.90 inches lifting
through northern Lower Michigan on Sunday.

Lake St Clair-
935 AM EST Wed Feb 20 2019

Southeast winds 15 to 20 knots. A chance of light
freezing rain late in the morning. Light snow. Light freezing rain
and light rain in the afternoon.

Southeast winds 10 to 15 knots veering to the southwest
in the late evening and overnight. Light rain in the evening.

West winds 10 to 15 knots. Mostly cloudy.

West winds 5 to 10 knots until early morning
becoming light and variable. Partly cloudy.

Light and variable winds becoming southeast 5 to 10 knots
in the evening. Mostly clear.

Southeast winds 10 to 15 knots. Partly cloudy. Rain
likely and a chance of light freezing rain.

West winds to 30 knots with gusts to 40 knot gales. Rain
and a chance of snow.  A Gale Warning may be needed.

Waves omitted due to ice coverage.


Experimental modernized open lake forecast is available online at

Graphical marine forecasts are available at