Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 170754
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
354 AM EDT Tue Apr 17 2018

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.

LHZ422-171515-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
354 AM EDT Tue Apr 17 2018

.TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots
in the afternoon. Mostly cloudy. Light snow showers likely early
in the morning...then a chance of light snow showers late in the
morning. A slight chance of light rain and snow showers early in
the afternoon. Waves 2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly cloudy early
in the evening becoming partly cloudy. Waves 1 to 3 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots in the morning
becoming light and variable...then becoming northeast 5 to
10 knots late in the afternoon. Partly cloudy. A chance of light
rain and snow showers in the afternoon. Waves around 2 feet or
less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
15 to 20 knots early in the morning. Mostly cloudy. Light showers
likely and a chance of light snow showers in the evening...then
light rain and snow showers likely after midnight. Waves around
2 feet or less.

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

$$

LHZ421-171515-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
354 AM EDT Tue Apr 17 2018

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

.TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots
in the afternoon. Cloudy. Light snow showers likely in the
morning...then a chance of light rain and snow showers early in
the afternoon. A slight chance of light showers late in the
afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Mostly cloudy with a
slight chance of light showers early in the evening...then partly
cloudy in the late evening and overnight. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.WEDNESDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then veering to the northeast in
the afternoon. Partly cloudy. A chance of light rain and snow
showers in the afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots diminishing to
5 to 10 knots late in the evening...then becoming north 15 to
20 knots after midnight. Mostly cloudy with light rain and snow
showers likely. Waves around 2 feet or less building to 2 to
4 feet early in the morning.

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

$$

LHZ441-171515-
Port Austin to Harbor Beach MI-
354 AM EDT Tue Apr 17 2018

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

.TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots
in the afternoon. Cloudy. Light snow showers likely in the
morning...then a chance of light snow showers early in the
afternoon. A chance of light showers in the afternoon. Waves 3 to
5 feet. Waves occasionally around 7 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Mostly cloudy. A chance of light
showers and a slight chance of light snow showers early in the
evening. Waves 2 to 4 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. Partly cloudy. A
chance of light rain and snow showers in the afternoon. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north
15 to 20 knots after midnight. Mostly cloudy. Light snow showers
likely and a chance of light showers early in the evening...then
light rain and snow showers likely in the late evening and
overnight. Waves around 2 feet or less building to 2 to 4 feet
early in the morning.

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

$$

LHZ442-171515-
Harbor Beach to Port Sanilac MI-
354 AM EDT Tue Apr 17 2018

.TODAY...West winds 15 to 20 knots. Cloudy. Light snow showers
likely in the morning...then a chance of light rain and snow
showers in the afternoon. Waves 2 to 4 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Cloudy with a chance
of light showers and a slight chance of light snow showers early
in the evening...then mostly cloudy in the late evening and
overnight. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming northwest 5 to
10 knots late in the morning...then veering to the north in the
afternoon. Partly cloudy. A chance of light showers in the
afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north
15 to 20 knots. Light snow showers and a chance of light showers.
Waves around 2 feet or less building to 2 to 4 feet early in the
morning.

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

$$

LHZ443-171515-
Port Sanilac to Port Huron MI-
354 AM EDT Tue Apr 17 2018

.TODAY...West winds 15 to 20 knots. Cloudy. Light snow showers
likely early in the morning...then a chance of light snow showers
in the late morning and afternoon. A chance of light showers in
the afternoon. Waves 1 to 3 feet.
.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. Cloudy with a chance
of light showers early in the evening...then mostly cloudy in the
late evening and overnight. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then becoming light and variable
early in the afternoon becoming northeast 5 to 10 knots late in
the afternoon. Partly cloudy. A chance of light showers in the
afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north
15 to 20 knots. Light showers and a chance of light snow showers
early in the evening...then light rain and snow showers in the
late evening and overnight. Waves around 2 feet or less building
to 2 to 4 feet early in the morning.

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

$$

LEZ444-171515-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
354 AM EDT Tue Apr 17 2018

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

.TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots
in the late morning and afternoon. Mostly cloudy. Light snow
showers likely in the morning. A slight chance of light showers.
A slight chance of light snow showers in the afternoon. Waves
1 to 3 feet.
.TONIGHT...West winds 15 to 20 knots becoming northwest 5 to
10 knots. Partly cloudy. Waves around 2 feet or less.
.WEDNESDAY...West winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots early in the afternoon becoming east 10 to 15 knots.
Mostly sunny in the morning...then partly cloudy with light
showers likely in the afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots backing to the
north early in the morning. Cloudy. Light showers likely until
early morning...then light showers likely and a chance of light
snow showers early in the morning. Waves around 2 feet or less.

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

The water temperature at Belle Isle is 39.9 degrees.

$$

DRK

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a www.weather.gov/greatlakes


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