Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 181503
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1003 AM EST Mon Dec 18 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.

LHZ422-182230-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1003 AM EST Mon Dec 18 2017

.REST OF TODAY...Southwest winds 5 to 10 knots increasing to
10 to 15 knots late in the afternoon. Mostly cloudy. Areas of fog
late in the morning. A chance of light rain and snow showers late
in the morning...then a slight chance of light showers early in
the afternoon.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to 30 knots. Mostly cloudy.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the afternoon. Partly cloudy
until late afternoon becoming mostly sunny.
.TUESDAY NIGHT...West winds 15 to 20 knots. Mostly clear.

Waves omitted due to ice coverage.

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

$$

LHZ421-182230-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1003 AM EST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...Southwest winds 5 to 10 knots increasing to
10 to 15 knots in the afternoon. Mostly cloudy. A chance of light
rain and snow showers late in the morning...then a slight chance
of light showers early in the afternoon. Waves 1 to 3 feet.
.TONIGHT...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.
.TUESDAY...West winds 20 to 25 knots. Gusts to 35 knot gales in
the morning. 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.
.TUESDAY NIGHT...West winds 20 to 25 knots. Gusts to 30 knots in
the evening. Mostly clear. Waves 4 to 6 feet. Waves occasionally
around 8 feet.

Wave heights are for ice free areas.

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

$$

LHZ441-182230-
Port Austin to Harbor Beach MI-
1003 AM EST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.REST OF TODAY...Southwest winds 5 to 10 knots increasing to
10 to 15 knots in the afternoon. Mostly cloudy. Areas of fog late
in the morning. A chance of light rain and snow showers late in
the morning...then a slight chance of light showers early in the
afternoon. Waves around 2 feet or less.
.TONIGHT...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.
.TUESDAY...West winds 20 to 25 knots with gusts to 35 knot gales.
Mostly cloudy becoming partly cloudy in the late morning and
early afternoon becoming mostly sunny. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.TUESDAY NIGHT...West winds 20 to 25 knots with gusts to
30 knots. Partly cloudy. Waves 4 to 6 feet. Waves occasionally
around 8 feet.

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

$$

LHZ442-182230-
Harbor Beach to Port Sanilac MI-
1003 AM EST Mon Dec 18 2017

.REST OF TODAY...Southwest winds 5 to 10 knots increasing to
10 to 15 knots late in the afternoon. Mostly cloudy. Areas of fog
late in the morning. A chance of light showers late in the
morning...then a slight chance of light showers in the afternoon.
Waves around 2 feet or less.
.TONIGHT...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. A slight chance of light showers early
in the evening. Waves 1 to 3 feet.
.TUESDAY...West winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy becoming partly cloudy in the late morning and
early afternoon becoming mostly sunny. Waves 1 to 3 feet.
.TUESDAY NIGHT...West winds 20 to 25 knots. Gusts to 30 knots
until early morning. Mostly clear. Waves 1 to 3 feet.

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

$$

LHZ443-182230-
Port Sanilac to Port Huron MI-
1003 AM EST Mon Dec 18 2017

.REST OF TODAY...Southwest winds 10 to 15 knots diminishing to
5 to 10 knots early in the afternoon...then increasing to 10 to
15 knots late in the afternoon. Mostly cloudy. Patchy fog late in
the morning. Light showers likely late in the morning...then a
chance of light showers early in the afternoon. A slight chance
of light showers late in the afternoon. Waves around 2 feet or
less.
.TONIGHT...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. A slight chance of light showers early
in the evening. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 20 to
25 knots in the late morning and early afternoon...then
diminishing to 15 to 20 knots late in the afternoon. Gusts to
30 knots. Mostly cloudy early in the morning becoming partly
cloudy. Waves 1 to 3 feet.
.TUESDAY NIGHT...West winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots late in the
evening...then diminishing to 15 to 20 knots after midnight.
Mostly clear. Waves 1 to 3 feet.

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

$$

LEZ444-182230-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1003 AM EST Mon Dec 18 2017

.REST OF TODAY...Southwest winds 10 to 15 knots. Mostly cloudy.
Patchy fog late in the morning. A chance of light showers late in
the morning...then a slight chance of light showers in the
afternoon. Waves around 2 feet or less.
.TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Mostly cloudy with a slight chance of
light showers early in the evening...then partly cloudy in the
late evening and overnight. Waves around 2 feet or less.
.TUESDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots late in the afternoon. Mostly cloudy early in the
morning becoming partly cloudy. Waves around 2 feet or less.
.TUESDAY NIGHT...West winds 10 to 15 knots. Mostly clear. 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.

$$

BT

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



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