Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 172051
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
351 PM EST Sun Dec 17 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.

LHZ422-180415-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
351 PM EST Sun Dec 17 2017

.TONIGHT...Southeast winds 5 to 10 knots veering to the southwest
early in the morning. Cloudy. Patchy fog. A chance of light
freezing drizzle after midnight. A chance of light snow showers
after midnight.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Mostly cloudy. A chance of light
freezing drizzle early in the morning. Patchy fog in the morning.
A chance of light snow showers and a slight chance of light
showers early in the morning...then a slight chance of light
showers in the late morning and early afternoon.
.MONDAY NIGHT...Southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots early in the
morning. Mostly cloudy. A Small Craft Advisory may be needed.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 10 to 15 knots. Mostly cloudy becoming partly
cloudy in the late morning and early afternoon becoming mostly
sunny.

Waves omitted due to ice coverage.

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

$$

LHZ421-180415-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
351 PM EST Sun Dec 17 2017

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...South winds 10 to 15 knots veering to the southwest
early in the morning. Cloudy. Patchy fog in the late evening and
overnight. A chance of light freezing drizzle after midnight. A
chance of light snow showers after midnight. Waves around 2 feet
or less.
.MONDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. Mostly cloudy. A chance of light
freezing drizzle and patchy fog early in the morning. A chance of
light snow showers and a slight chance of light showers early in
the morning...then a slight chance of light showers in the late
morning and early afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 35 knot gales in the late evening and overnight.
Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. A
Gale Warning may be needed.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots in the afternoon. Mostly cloudy
becoming partly cloudy in the late morning and early afternoon
becoming mostly sunny. Waves 4 to 6 feet. Waves occasionally
around 8 feet.

Gales will be possible beyond the forecast period. Please refer to
the Open Lakes Forecast for more information.

Wave heights are for ice free areas.

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

$$

LHZ441-180415-
Port Austin to Harbor Beach MI-
351 PM EST Sun Dec 17 2017

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...South winds 10 to 15 knots veering to the southwest
early in the morning. Cloudy. Patchy fog. A chance of light
freezing drizzle after midnight. A chance of light snow showers
after midnight. Waves 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots. Mostly cloudy. A chance
of light freezing drizzle early in the morning. Patchy fog in the
morning. A chance of light snow showers and a slight chance of
light showers early in the morning...then a slight chance of
light showers in the late morning and early afternoon. Waves
around 2 feet or less.
.MONDAY NIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25
knots with gusts to 35 knot gales in the late evening and overnight.
Mostly cloudy. Waves 1 to 3 feet building to 2 to 4 feet in the late
evening and overnight. A Gale Warning may be needed.
.TUESDAY...West winds 20 to 25 knots. Gusts to 35 knot gales
until late afternoon. Mostly cloudy becoming partly cloudy early
in the afternoon becoming mostly sunny. Waves 3 to 5 feet. Waves
occasionally around 7 feet.

Gales will be possible beyond the forecast period. Please refer to
the Open Lakes Forecast for more information.

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

$$

LHZ442-180415-
Harbor Beach to Port Sanilac MI-
351 PM EST Sun Dec 17 2017

.TONIGHT...South winds 10 to 15 knots becoming southwest 5 to
10 knots early in the morning. Cloudy. Patchy fog. A chance of
drizzle and light freezing drizzle after midnight. A chance of
light snow showers after midnight. Waves 1 to 3 feet.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. Mostly cloudy. A chance of
drizzle and light freezing drizzle early in the morning. Patchy
fog in the morning. A chance of light snow showers and a slight
chance of light showers early in the morning...then a slight
chance of light showers in the late morning and afternoon. Waves
around 2 feet or less.
.MONDAY NIGHT...Southwest winds 15 to 20 knots. Gusts to 30 knots
after midnight. Mostly cloudy. Waves 1 to 3 feet. A Small Craft
Advisory may be needed.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots with gusts to 30 knots in the
afternoon. Mostly cloudy becoming partly cloudy early in the
afternoon becoming mostly sunny. Waves 1 to 3 feet.

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

$$

LHZ443-180415-
Port Sanilac to Port Huron MI-
351 PM EST Sun Dec 17 2017

.TONIGHT...Southeast winds 10 to 15 knots veering to the south
after midnight...then becoming southwest 5 to 10 knots early in
the morning. Cloudy. Patchy fog. A slight chance of drizzle...
then a chance of drizzle after midnight. Waves 1 to 3 feet.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. Cloudy. A chance of drizzle early
in the morning. Patchy fog in the morning. A chance of light
showers until late afternoon...then a slight chance of light
showers late in the afternoon. Waves around 2 feet or less.
.MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20
knots with gusts to 30 knots in the late evening and overnight.
Mostly cloudy. Waves 1 to 3 feet. A Small Craft Advisory may be
needed.
.TUESDAY...West winds 15 to 20 knots. Gusts to 30 knots in the
morning. Mostly cloudy in the morning becoming partly cloudy.
Waves 1 to 3 feet.

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

$$

LEZ444-180415-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
351 PM EST Sun Dec 17 2017

.TONIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots after midnight...then diminishing to 5 to 10 knots early
in the morning. Mostly cloudy. Patchy fog. A slight chance of
drizzle in the late evening and overnight. A slight chance of
light showers in the late evening and overnight. Waves around
2 feet or less.
.MONDAY...Southwest winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then diminishing to 5 to 10 knots
early in the afternoon increasing to 10 to 15 knots late in the
afternoon. Mostly cloudy. A slight chance of drizzle early in the
morning. Patchy fog in the morning. A chance of light showers
until late afternoon...then a slight chance of light showers late
in the afternoon. Waves around 2 feet or less.
.MONDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. Mostly cloudy in the evening
becoming partly cloudy. Waves around 2 feet or less.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. Mostly cloudy in the morning
becoming partly cloudy. Waves around 2 feet or less.

Wave heights are for ice free areas.

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

The water temperature at Belle Isle is 31.7 degrees.

$$

AA

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes



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