Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 180735
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
335 AM EDT Fri May 18 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.

LHZ422-181515-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
335 AM EDT Fri May 18 2018

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

.TODAY...Northeast winds 20 to 25 knots. Partly cloudy. Waves
3 to 5 feet.
.TONIGHT...Northeast winds 15 to 20 knots becoming east 10 to
15 knots after midnight. Partly cloudy early in the evening
becoming mostly cloudy. A slight chance of light showers early in
the evening...then a chance of light showers in the late evening
and overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.SATURDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Cloudy. Showers likely until late
afternoon. A chance of thunderstorms in the afternoon. A chance
of light showers late in the afternoon. Waves around 2 feet or
less.
.SATURDAY NIGHT...North winds 5 to 10 knots. Mostly cloudy. A
chance of showers and thunderstorms early in the evening. Waves
around 2 feet or less.

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

$$

LHZ421-181515-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
335 AM EDT Fri May 18 2018

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

.TODAY...Northeast winds 20 to 25 knots diminishing to 15 to 20
knots late in the afternoon. Mostly sunny early in the morning
becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.TONIGHT...Northeast winds 15 to 20 knots becoming east 10 to
15 knots early in the morning. Partly cloudy with a slight chance
of light showers early in the evening...then mostly cloudy with a
chance of light showers in the late evening and overnight. Waves
2 to 4 feet.
.SATURDAY...East winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Cloudy. Light showers likely until
late afternoon. A chance of light showers late in the afternoon.
Waves 1 to 3 feet.
.SATURDAY NIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Mostly cloudy. A chance of light
showers early in the evening. Waves around 2 feet or less.

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

$$

LHZ441-181515-
Port Austin to Harbor Beach MI-
335 AM EDT Fri May 18 2018

.TODAY...Northeast winds 15 to 20 knots. Mostly sunny early in
the morning becoming partly cloudy. Waves 2 to 5 feet subsiding
to 1 to 3 feet late in the afternoon.
.TONIGHT...Northeast winds 10 to 15 knots becoming east 15 to
20 knots in the late evening and early morning...then diminishing
to 10 to 15 knots early in the morning. Partly cloudy with a
slight chance of light showers early in the evening...then mostly
cloudy with a chance of light showers in the late evening and
overnight. Waves 2 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots becoming east 5 to
10 knots late in the afternoon. Cloudy. A chance of light showers
early in the morning...then showers likely in the late morning
and early afternoon. A chance of light showers late in the
afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming north
10 to 15 knots in the late evening and overnight. Mostly cloudy.
A chance of light showers until early morning. Waves 1 to 3 feet.

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

$$

LHZ442-181515-
Harbor Beach to Port Sanilac MI-
335 AM EDT Fri May 18 2018

.TODAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to
10 knots late in the evening...then increasing to 10 to 15 knots
after midnight diminishing to 5 to 10 knots early in the morning.
Partly cloudy early in the evening becoming mostly cloudy. A
slight chance of light showers early in the evening...then a
chance of light showers late in the evening. Light showers likely
after midnight. Waves 1 to 3 feet building to 2 to 4 feet early
in the morning.
.SATURDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots late in the afternoon. Cloudy. Light showers likely
until late afternoon. A chance of thunderstorms in the afternoon.
A chance of light showers late in the afternoon. Waves 1 to
3 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming north
10 to 15 knots in the late evening and overnight. Mostly cloudy.
A chance of showers and thunderstorms until early morning. Waves
around 2 feet or less.

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

$$

LHZ443-181515-
Port Sanilac to Port Huron MI-
335 AM EDT Fri May 18 2018

.TODAY...Northeast winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.TONIGHT...Northeast winds 10 to 15 knots becoming east 5 to
10 knots late in the evening...then increasing to 10 to 15 knots
after midnight diminishing to 5 to 10 knots early in the morning.
Mostly cloudy. A slight chance of light showers early in the
evening...then light showers likely in the late evening and
overnight. Waves 1 to 3 feet building to 2 to 4 feet early in the
morning.
.SATURDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots late in the afternoon. Cloudy. Light showers likely
until late afternoon. A chance of thunderstorms in the afternoon.
A chance of light showers late in the afternoon. Waves 1 to
3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots veering to the
northwest in the late evening and overnight. Mostly cloudy. A
chance of showers and thunderstorms until early morning. Waves
around 2 feet or less.

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

$$

LEZ444-181515-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
335 AM EDT Fri May 18 2018

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

.TODAY...Northeast winds 15 to 20 knots becoming east 20 to
25 knots late in the morning...then diminishing to 15 to 20 knots
early in the afternoon increasing to 20 to 25 knots late in the
afternoon. Partly cloudy until late afternoon...then mostly
cloudy with a slight chance of light showers late in the
afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.TONIGHT...East winds 20 to 25 knots diminishing to 15 to
20 knots early in the morning. Cloudy. A chance of light showers
early in the evening...then light showers likely in the late
evening and overnight. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.SATURDAY...Southeast winds 10 to 15 knots diminishing to 5 to
10 knots in the afternoon. Cloudy. Light showers likely early in
the morning...then a chance of light showers late in the morning.
Showers and thunderstorms likely in the afternoon. Waves around
2 feet or less.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots. Mostly cloudy.
Showers and thunderstorms likely early in the evening...then a
chance of showers and thunderstorms in the late evening and early
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 54.6 degrees.

$$

SC

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