Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 180248
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
948 PM EST Fri Nov 17 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.

LHZ422-181015-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 15 to 20 knots diminishing to
10 to 15 knots early in the morning. Periods of showers with
isolated thunderstorms. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots veering to the
northwest late in the morning...then becoming north 10 to
15 knots early in the afternoon increasing to 20 to 25 knots with
gusts to 30 knots late in the afternoon. Periods of light showers
with isolated thunderstorms early in the morning...then showers
in the late morning and afternoon. Waves around 2 feet or less.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots with gusts to 35
knot gales. Light showers early in the evening...then mostly cloudy
with a chance of light showers in the late evening and early morning.
Partly cloudy early in the morning. Waves 2 to 4 feet. A Gale Warning
may be needed.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the afternoon. Partly cloudy
becoming mostly cloudy in the late morning and early afternoon
becoming partly cloudy. A chance of flurries. Waves 2 to 4 feet.

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

$$

LHZ421-181015-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
948 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 15 to 20 knots diminishing to
10 to 15 knots early in the morning. Periods of showers with
isolated thunderstorms. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.SATURDAY...Southwest winds 10 to 15 knots becoming northwest
5 to 10 knots late in the morning...then becoming north 10 to
15 knots early in the afternoon increasing to 20 to 25 knots with
gusts to 30 knots late in the afternoon. Periods of light showers
with isolated thunderstorms early in the morning...then showers
in the late morning and afternoon. Waves around 2 feet or less
building to 3 to 5 feet late in the afternoon. Waves occasionally
around 7 feet.
.SATURDAY NIGHT...North winds to 30 knots becoming northwest gales to
35 knot gales in the late evening and early morning.. then
diminishing to 30 knots early in the morning. Gusts to 40 knot gales.
Becoming partly cloudy early in the morning. Light showers until
early morning. Waves 6 to 9 feet building to 10 to 14 feet in the
late evening and overnight. Waves occasionally around 18 feet. A Gale
Warning may be needed.
.SUNDAY...Northwest winds to 30 knots diminishing to 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Partly cloudy becoming mostly cloudy early in the
afternoon becoming partly cloudy. A chance of flurries. Waves
8 to 12 feet subsiding to 5 to 7 feet late in the afternoon.
Waves occasionally around 15 feet.

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

$$

LHZ441-181015-
Port Austin to Harbor Beach MI-
948 PM EST Fri Nov 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots early in the morning.
Periods of light showers with isolated thunderstorms. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.SATURDAY...South winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then becoming north 10 to 15 knots
early in the afternoon increasing to 20 to 25 knots with gusts to
30 knots late in the afternoon. Periods of light showers with
isolated thunderstorms early in the morning...then showers in the
late morning and afternoon. Waves 2 to 4 feet subsiding to 2 feet
or less in the late morning and early afternoon...then building
to 3 to 5 feet late in the afternoon. Waves occasionally around
7 feet.
.SATURDAY NIGHT...North winds to 30 knots becoming northwest gales to
35 knot gales in the late evening and overnight. Gusts to 40 knot
gales. Light showers until early morning. Waves 6 to 9 feet building
to 12 to 16 feet in the late evening and overnight. Waves
occasionally around 20 feet. A Gale Warning may be needed.
.SUNDAY...Northwest winds to 30 knots diminishing to 20 to
25 knots in the afternoon. Gusts to 35 knot gales. Mostly cloudy.
Waves 10 to 14 feet. Waves occasionally around 18 feet.

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

$$

LHZ442-181015-
Harbor Beach to Port Sanilac MI-
948 PM EST Fri Nov 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots early in the morning.
Periods of light showers with isolated thunderstorms. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.SATURDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then backing to the southeast
early in the afternoon becoming northeast 15 to 20 knots late in
the afternoon. Light showers with isolated thunderstorms early in
the morning...then light showers in the late morning and
afternoon. Waves 2 to 4 feet subsiding to 2 feet or less in the
late morning and afternoon.
.SATURDAY NIGHT...North winds to 30 knots becoming northwest gales to
35 knot gales in the late evening and overnight. Gusts to 40 knot
gales. Light showers until early morning...then a chance of light
showers early in the morning. Waves 6 to 9 feet building to 10 to 14
feet in the late evening and overnight. Waves occasionally around 18
feet. A Gale Warning may be needed.
.SUNDAY...Northwest winds to 30 knots diminishing to 20 to
25 knots in the afternoon. Gusts to 35 knot gales. Mostly cloudy.
A chance of light showers early in the morning. A chance of
flurries late in the afternoon. Waves 8 to 12 feet. Waves
occasionally around 15 feet.

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

$$

LHZ443-181015-
Port Sanilac to Port Huron MI-
948 PM EST Fri Nov 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...
...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots early in the morning.
Periods of light showers and scattered thunderstorms. Waves 3 to
5 feet. Waves occasionally around 7 feet.
.SATURDAY...South winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon...then becoming
northeast 10 to 15 knots late in the afternoon. Light showers and
scattered thunderstorms early in the morning...then light showers
in the late morning and afternoon. Waves around 2 feet or less.
.SATURDAY NIGHT...North winds 20 to 25 knots becoming northwest gales
to 35 knot gales in the late evening and early morning.. then
diminishing to 30 knots early in the morning. Gusts to 40 knot gales.
Light showers until early morning...then a chance of light showers
early in the morning. Waves 4 to 6 feet building to 8 to 12 feet in
the late evening and overnight. Waves occasionally around 15 feet. A
Gale Warning may be needed.
.SUNDAY...Northwest winds to 30 knots with gusts to 35 knot gales
diminishing to 20 to 25 knots with gusts to 30 knots in the late
morning and afternoon. Mostly cloudy. A chance of light rain and
snow showers early in the morning...then a chance of flurries in
the late morning and afternoon. Waves 6 to 9 feet subsiding to
5 to 7 feet late in the afternoon. Waves occasionally around
12 feet.

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

$$

LEZ444-181015-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 PM EST Fri Nov 17 2017

...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TONIGHT...South winds 15 to 20 knots becoming southwest
10 to 15 knots early in the morning. Periods of light showers and
scattered thunderstorms. Waves 2 to 4 feet.
.SATURDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots late in the afternoon. Showers and scattered
thunderstorms early in the morning...then showers and a slight
chance of thunderstorms in the late morning and afternoon. Waves
1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots with gusts to 35
knot gales. Becoming partly cloudy early in the morning. Light
showers until early morning. Waves 1 to 3 feet building to 2 to 4
feet in the late evening and overnight. A Gale Warning may be needed.
.SUNDAY...Northwest winds 15 to 20 knots. Gusts to 30 knots early
in the morning. Mostly cloudy until late afternoon becoming
partly cloudy. A chance of flurries. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 43.7 degrees.

$$

SC

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a www.weather.gov/greatlakes



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