Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 130304
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1003 PM EST Tue Dec 12 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.

LHZ422-131000-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1003 PM EST Tue Dec 12 2017

.REST OF TONIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots after midnight. Partly
cloudy. A chance of flurries. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.WEDNESDAY...Northwest winds 5 to 10 knots backing to the
southeast in the late morning and early afternoon...then becoming
east 10 to 15 knots late in the afternoon. A chance of light snow
early in the morning...then light snow in the late morning and
afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
15 to 20 knots in the late evening and overnight. Light snow
early in the evening...then light snow showers in the late
evening and early morning. Waves around 2 feet or less building
to 2 to 4 feet in the late evening and early morning...then
subsiding to 1 to 3 feet early in the morning.
.THURSDAY...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Mostly sunny becoming partly cloudy early in the
afternoon becoming mostly cloudy. Waves around 2 feet or less.

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

$$

LHZ421-131000-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1003 PM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT UNTIL 4 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

.REST OF TONIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots early in the morning.
Partly cloudy. Freezing spray this evening. A chance of flurries.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then backing to the south early in
the afternoon backing to the east late in the afternoon. Partly
cloudy early in the morning. A chance of flurries early in the
morning. A chance of light snow late in the morning...then light
snow in the afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet
in the afternoon. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
15 to 20 knots in the late evening and overnight. Light snow
early in the evening...then light snow showers in the late
evening and early morning. A chance of light snow showers early
in the morning. Waves 1 to 3 feet building to 4 to 6 feet in the
late evening and overnight. Waves occasionally around 8 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. Mostly sunny with a chance of light
snow showers early in the morning...then partly cloudy in the
late morning and afternoon. Waves 3 to 5 feet subsiding to 2 to
4 feet late in the afternoon. Waves occasionally around 7 feet.

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

$$

LHZ441-131000-
Port Austin to Harbor Beach MI-
1003 PM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT UNTIL 4 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

.REST OF TONIGHT...Northwest winds to 30 knots diminishing to
20 to 25 knots early in the morning. Gusts to 35 knot gales.
Partly cloudy. Freezing spray in the late evening and early
morning. A chance of light snow showers in the late evening and
early morning...then a slight chance of light snow showers early
in the morning. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots late in the morning...then becoming west 5 to 10 knots
early in the afternoon veering to the northeast late in the
afternoon. Partly cloudy early in the morning becoming cloudy. A
slight chance of light snow in the morning...then a chance of
light snow early in the afternoon. Light snow likely late in the
afternoon. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves
occasionally around 8 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
15 to 20 knots in the late evening and overnight. Becoming partly
cloudy early in the morning. Light snow showers until early
morning...then a chance of light snow showers early in the
morning. Waves 1 to 3 feet building to 4 to 6 feet in the late
evening and overnight. Waves occasionally around 8 feet.
.THURSDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. Partly cloudy. A chance of light
snow showers early in the morning. Heavy freezing spray in the
morning. Waves 4 to 6 feet. Waves occasionally around 8 feet.

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

$$

LHZ442-131000-
Harbor Beach to Port Sanilac MI-
1003 PM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT UNTIL 4 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

.REST OF TONIGHT...Northwest winds to 30 knots diminishing to
20 to 25 knots early in the morning. Gusts to 35 knot gales.
Partly cloudy. Freezing spray in the late evening and early
morning. A chance of light snow showers...then a slight chance of
light snow showers after midnight. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots early in the morning
becoming west 10 to 15 knots...then becoming southwest 5 to
10 knots early in the afternoon becoming light and variable.
Partly cloudy early in the morning becoming cloudy. A slight
chance of light snow early in the morning. A chance of light snow
late in the morning...then light snow likely in the afternoon.
Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally
around 8 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots increasing to 15 to
20 knots in the late evening and overnight. Becoming partly
cloudy early in the morning. Light snow early in the evening...
then light snow showers in the late evening and overnight. Waves
1 to 3 feet building to 4 to 6 feet. Waves occasionally around
8 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. Partly cloudy. Light snow showers
likely early in the morning. Waves 3 to 5 feet. Waves
occasionally around 6 feet.

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

$$

LHZ443-131000-
Port Sanilac to Port Huron MI-
1003 PM EST Tue Dec 12 2017

...GALE WARNING IN EFFECT UNTIL 4 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 AM EST
WEDNESDAY...

.REST OF TONIGHT...Northwest winds to 30 knots diminishing to
20 to 25 knots after midnight. Mostly clear. Freezing spray in
the late evening and early morning. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots late in the morning...then becoming southwest 5 to
10 knots early in the afternoon backing to the east late in the
afternoon. Partly cloudy early in the morning. A chance of light
snow late in the morning. Snow in the afternoon. Waves 3 to
5 feet subsiding to 1 to 3 feet in the afternoon. Waves
occasionally around 7 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north
15 to 20 knots. Snow early in the evening...then light snow
showers in the late evening and overnight. Waves 1 to 3 feet
building to 3 to 5 feet after midnight. Waves occasionally around
7 feet.
.THURSDAY...Northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. Partly cloudy. Light snow showers
likely early in the morning. Waves 3 to 5 feet subsiding to 2 to
4 feet late in the afternoon. Waves occasionally around 7 feet.

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

$$

LEZ444-131000-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1003 PM EST Tue Dec 12 2017

.REST OF TONIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots early in the morning. Partly cloudy in the late
evening and early morning becoming mostly cloudy. A chance of
flurries. Waves 1 to 3 feet.
.WEDNESDAY...West winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and early afternoon...then becoming
southeast 15 to 20 knots late in the afternoon. A chance of light
snow early in the morning...then light snow in the late morning
and afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots backing to the
northeast late in the evening...then becoming north 15 to
20 knots after midnight. Becoming partly cloudy early in the
morning. Snow early in the evening...then snow showers in the
late evening and early morning. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Partly cloudy early in the morning
becoming mostly sunny. Waves around 2 feet or less.

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

The water temperature at Belle Isle is 33.7 degrees.

$$

CB

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



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