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National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 201451
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
951 AM EST Tue Nov 20 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
High pressure, 30.40 inches, builds from the Midwest
into the Ohio valley today while low pressure, 29.80 inches,
reaches eastern Lake Superior by this evening. The associated
cold front sweeps through the central Great Lakes tonight with
northwest gales likely into Wednesday. Strong high pressure, near
30.70 inches, then builds into the region Wednesday night and
Thursday and moves quickly eastward by Friday.

LCZ460-202115-
Lake St Clair-
951 AM EST Tue Nov 20 2018

REST OF TODAY
Northwest winds 15 to 20 knots. Partly sunny.
Waves around 2 feet.

TONIGHT
Southwest winds 10 to 15 knots increasing to 15 to 20
knots with gusts to 25 knots in the late evening and overnight.
Partly cloudy this evening becoming mostly cloudy. Waves 1 to 3
feet.

WEDNESDAY
West winds 15 to 20 knots becoming northwest 10 to 15
knots in the late morning and afternoon. Partly sunny. Waves 1 to 3
feet.

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

THURSDAY
East winds 5 to 10 knots becoming southeast 10 to 15
knots in the evening. Partly cloudy becoming mostly clear. Waves 2
feet or less.

FRIDAY
South winds 10 to 15 knots. Mostly clear. Waves 2 feet or
less.

SATURDAY
South winds 10 to 15 knots. Light showers. Waves 2 feet
or less.



SF

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

Graphical marine forecasts are available at weather.gov/greatlakes