Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 211953
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
353 PM EDT Fri Jul 21 2017

For waters within five nautical miles of shore

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.

LHZ422-220315-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
353 PM EDT Fri Jul 21 2017

.TONIGHT...Southeast winds 5 to 10 knots becoming southwest 10 to
15 knots late. Partly cloudy in the evening... then mostly cloudy.
Mostly cloudy with a chance of showers and thunderstorms late.
Waves around 2 feet or less.
.SATURDAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots late in the morning...then becoming light and variable
early in the afternoon becoming east 5 to 10 knots late in the
afternoon. Mostly cloudy until late afternoon becoming partly
cloudy. A chance of showers and thunderstorms...mainly in the
morning. Waves around 2 feet or less.
.SATURDAY NIGHT...East winds 5 to 10 knots. Partly cloudy. Waves
around 2 feet or less.
.SUNDAY...South winds 5 to 10 knots veering to the west late in
the afternoon. Mostly cloudy with a chance of showers and
thunderstorms. Waves around 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-220315-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
353 PM EDT Fri Jul 21 2017

.TONIGHT...Southeast winds 10 to 15 knots becoming east 5 to
10 knots after midnight...then veering to the south early in the
morning. Partly cloudy in the evening...then mostly cloudy.
Mostly cloudy with a chance of showers and thunderstorms late.
Waves around 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots backing to the
southeast early in the afternoon...then becoming east 10 to
15 knots late in the afternoon. Mostly cloudy until late
afternoon becoming partly cloudy. A chance of showers and
thunderstorms in the morning...then a slight chance of showers
and thunderstorms in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Mostly cloudy with a
chance of showers and thunderstorms. Waves around 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-220315-
Port Austin to Harbor Beach MI-
353 PM EDT Fri Jul 21 2017

.TONIGHT...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy in the evening...then
mostly cloudy. Mostly cloudy with a chance of showers and
thunderstorms late. Waves around 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots backing to the south
late in the morning...then backing to the east early in the
afternoon increasing to 10 to 15 knots late in the afternoon.
Cloudy until late afternoon becoming partly cloudy. A chance of
showers and thunderstorms in the morning...then a slight chance
of showers and thunderstorms in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Mostly cloudy with a
chance of showers and thunderstorms. Waves around 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-220315-
Harbor Beach to Port Sanilac MI-
353 PM EDT Fri Jul 21 2017

.TONIGHT...South winds 5 to 10 knots. Partly cloudy in the
evening...then mostly cloudy. Mostly cloudy with a chance of
showers and thunderstorms late. Waves around 2 feet or less.
.SATURDAY...West winds 5 to 10 knots backing to the east in the
late morning and afternoon. Mostly cloudy. A chance of showers
and thunderstorms in the morning...then a slight chance of
showers and thunderstorms in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and overnight. Partly cloudy. Waves
1 to 3 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Partly cloudy becoming
mostly cloudy early in the afternoon becoming partly cloudy. A
chance of showers and thunderstorms. Waves around 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-220315-
Port Sanilac to Port Huron MI-
353 PM EDT Fri Jul 21 2017

.TONIGHT...Light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. Mostly clear in the
evening. Mostly cloudy with a chance of showers and thunderstorms
late. Waves around 2 feet or less.
.SATURDAY...Southwest winds 5 to 10 knots backing to the
southeast in the late morning and afternoon. Cloudy until late
afternoon becoming partly cloudy. A chance of showers and
thunderstorms in the morning...then a slight chance of showers
and thunderstorms in the afternoon. Waves around 2 feet or less.
.SATURDAY NIGHT...East winds 5 to 10 knots. Partly cloudy. Waves
1 to 3 feet.
.SUNDAY...Southeast winds 5 to 10 knots. Partly cloudy becoming
mostly cloudy early in the afternoon becoming partly cloudy. A
chance of showers and thunderstorms in the afternoon. Waves
around 2 feet or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-220315-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
353 PM EDT Fri Jul 21 2017

.TONIGHT...South winds 5 to 10 knots. Mostly clear in the
evening...then a chance of showers and thunderstorms after
midnight. Showers and a chance of thunderstorms late. Waves
around 2 feet or less.
.SATURDAY...East winds 5 to 10 knots becoming northeast 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
early in the afternoon becoming east 10 to 15 knots late in the
afternoon. Showers and a chance of thunderstorms in the morning...
then a slight chance of showers and thunderstorms in the
afternoon. Locally heavy rainfall possible in the late morning
and early afternoon. Waves around 2 feet or less.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots diminishing to
5 to 10 knots early in the morning. Mostly cloudy with a chance
of showers and thunderstorms until early morning...then partly
cloudy early in the morning. Waves around 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots backing to the west in
the afternoon. Mostly cloudy in the morning becoming partly
cloudy. Waves around 2 feet or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 76.8 degrees.

$$

SC

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a www.weather.gov/greatlakes


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