Great Lakes Forecast
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FZUS63 KDTX 162031
GLFSC

Lake St Clair Forecast
National Weather Service Detroit/Pontiac MI
331 PM EST Fri Feb 16 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 averaging 30.30 inches will build east
across the Ohio Valley late Friday into Saturday morning, bringing
dry conditions and calm to light winds to the Great Lakes. Southwest
winds gusting between 20 - 30 knots are expected by mid to late
Saturday morning and will continue throughout the day as a pressure
gradient strengthens across Lake Huron. Pressure will also decrease
down to 30.00 inches Saturday evening as an upper-level disturbance
slides across Michigan, before increasing back to 30.40 inches by
Sunday morning as a second high pressure system moves in across the
Ohio Valley.

LCZ460-170900-
Lake St Clair-
331 PM EST Fri Feb 16 2018

.TONIGHT...West winds 5 to 10 knots this evening becoming light and
variable...then becoming south 5 to 10 knots early in the morning.
Mostly clear.
.SATURDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. Partly sunny.
.SATURDAY NIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late evening and early morning...then becoming west
5 to 10 knots early in the morning. Mostly cloudy with a chance of
light snow showers until early morning...then partly cloudy early in
the morning.
.SUNDAY...South winds 5 to 10 knots. Partly sunny.
.SUNDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. Partly cloudy until early morning
becoming mostly cloudy.
.MONDAY...South winds 5 to 10 knots becoming southwest 15 to 20
knots. Showers.
.TUESDAY...West winds 15 to 20 knots. Showers and a chance of
thunderstorms.
.WEDNESDAY...North winds 5 to 10 knots. Mostly cloudy with light
showers with light snow showers likely.

Waves omitted due to ice coverage.

$$

IRL

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

Graphical marine forecasts are available at weather.gov/greatlakes



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