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National Weather Service Marine Forecast FZUS63 KDTX

FZUS63 KDTX 230731
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
331 AM EDT Mon Sep 23 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 located east of Lake Huron with an
average pressure of 29.70 inches, will continue to strengthen as
it moves northeast, arriving over southwestern Quebec by this
evening. Return flow behind the departing low pressure system
will bring westerly gradient flow over the Great Lakes with 20-25
knot gusts persisting throughout daylight hours. High pressure,
30.00 inches, will then build in across the Ohio Valley on
Tuesday, relaxing wind speeds throughout the day.

LCZ460-232030-
Lake St Clair-
331 AM EDT Mon Sep 23 2019

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS EVENING...

TODAY
West winds 10 to 15 knots increasing to 15 to 20 knots in
the afternoon. Gusts to 25 knots this afternoon and evening.
Partly sunny. Waves 1 to 3 feet.

TONIGHT
West winds 15 to 20 knots becoming northwest 10 to 15
knots after midnight. Partly cloudy. Waves 1 to 3 feet.

TUESDAY
Northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southwest 5 to 10 knots
early in the afternoon. Mostly sunny. Waves 2 feet or less.

TUESDAY NIGHT
Southwest winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Mostly clear. Waves 2 feet or less.

WEDNESDAY
Southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the evening. Partly sunny in the morning...then partly
cloudy with a chance of light showers in the afternoon and evening.
Waves 1 to 3 feet.

THURSDAY
West winds 10 to 15 knots. Mostly clear. A chance of
light showers. Waves 2 feet or less.

FRIDAY
South winds 10 to 15 knots. Partly cloudy. A chance of
showers and thunderstorms. Waves 2 feet or less.



SC

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

Graphical marine forecasts are available at weather.gov/greatlakes