Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 202031
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
330 PM EST Mon Nov 20 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.

LHZ422-210400-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
330 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH TUESDAY MORNING...

.TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots after midnight. Clear until early morning
becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.TUESDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots late in the afternoon. Partly cloudy early in the
morning becoming mostly cloudy. A chance of light showers in the
afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots diminishing to
10 to 15 knots early in the morning. Partly cloudy. A chance of
light showers early in the evening. Waves 1 to 3 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots in the afternoon. Partly cloudy until late afternoon
becoming mostly sunny. Waves around 2 feet or less.

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

$$

LHZ421-210400-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
330 PM EST Mon Nov 20 2017

...GALE WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH
TUESDAY MORNING...

.TONIGHT...Southwest winds 20 to 25 knots increasing to 30 knots
with gusts to 35 knot gales in the late evening and overnight.
Mostly clear. Waves 4 to 6 feet building to 5 to 7 feet after
midnight. Waves occasionally around 10 feet.
.TUESDAY...Southwest winds to 30 knots diminishing to 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Partly cloudy early in the morning becoming mostly
cloudy. A chance of light showers in the afternoon. Waves 4 to
6 feet. Waves occasionally around 7 feet.
.TUESDAY NIGHT...Northwest winds 20 to 25 knots diminishing to
15 to 20 knots early in the morning. Partly cloudy. A chance of
light showers early in the evening. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet in the afternoon.

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

$$

LHZ441-210400-
Port Austin to Harbor Beach MI-
330 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...Southwest winds 15 to 20 knots increasing to 20 to
25 knots...then increasing to 30 knots after midnight diminishing
to 20 to 25 knots with gusts to 30 knots early in the morning.
Mostly clear. Waves 3 to 5 feet building to 4 to 6 feet after
midnight. Waves occasionally around 8 feet.
.TUESDAY...Southwest winds 20 to 25 knots. Partly cloudy in the
morning...then cloudy with a chance of light showers in the
afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TUESDAY NIGHT...Northwest winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots early in the morning.
Mostly cloudy early in the evening becoming partly cloudy. A
chance of light showers early in the evening. Waves 4 to 6 feet.
Waves occasionally around 7 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. Partly cloudy. Waves
3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves
occasionally around 7 feet.

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

$$

LHZ442-210400-
Harbor Beach to Port Sanilac MI-
330 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH TUESDAY AFTERNOON...

.TONIGHT...Southwest winds 20 to 25 knots. Gusts to 30 knots
early in the morning. Mostly clear. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.TUESDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots late in the afternoon. Partly cloudy in the morning...
then cloudy with a chance of light showers in the afternoon.
Waves 3 to 5 feet subsiding to 2 to 4 feet late in the afternoon.
Waves occasionally around 7 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest
20 to 25 knots late in the evening...then diminishing to 15 to
20 knots after midnight. Mostly cloudy with a chance of light
showers early in the evening...then partly cloudy in the late
evening and overnight. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 5 to
10 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to
3 feet late in the afternoon. Waves occasionally around 7 feet.

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

$$

LHZ443-210400-
Port Sanilac to Port Huron MI-
330 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING
THROUGH TUESDAY AFTERNOON...

.TONIGHT...Southwest winds 20 to 25 knots. Clear. Waves 3 to
5 feet. Waves occasionally around 7 feet.
.TUESDAY...Southwest winds 20 to 25 knots diminishing to 15 to
20 knots late in the afternoon. Partly cloudy in the morning...
then mostly cloudy with a slight chance of light showers early in
the afternoon. Cloudy with a chance of light showers late in the
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet late in the
afternoon. Waves occasionally around 7 feet.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots. Mostly cloudy
with a chance of light showers early in the evening...then partly
cloudy in the late evening and overnight. Waves 1 to 3 feet
building to 2 to 4 feet in the late evening and overnight.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. Mostly sunny becoming partly
cloudy early in the afternoon becoming mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.

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

$$

LEZ444-210400-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
330 PM EST Mon Nov 20 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.TONIGHT...Southwest winds 20 to 25 knots diminishing to 15 to
20 knots early in the morning. Clear. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.TUESDAY...Southwest winds 20 to 25 knots diminishing to 15 to
20 knots late in the afternoon. Partly cloudy in the morning...
then mostly cloudy with a slight chance of light showers early in
the afternoon. Cloudy with a chance of light showers late in the
afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots diminishing to
10 to 15 knots early in the morning. Cloudy with a chance of
light showers early in the evening...then mostly clear with a
chance of light rain and snow showers in the late evening and
early morning. Mostly clear early in the morning. Waves 1 to
3 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. 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 41.7 degrees.

$$

DG

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



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