Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 180838
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
338 AM EST Sat Nov 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.

LHZ422-181600-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
338 AM EST Sat Nov 18 2017

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

.TODAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then becoming north 10 to 15 knots
early in the afternoon increasing to 15 to 20 knots late in the
afternoon. A chance of light showers early in the morning...then
showers in the late morning and afternoon. A chance of light snow
showers late in the afternoon. Waves around 2 feet or less.
.TONIGHT...North winds 20 to 25 knots becoming northwest to 30 knots
after midnight. Gusts to 35 knot gales. Light rain and snow showers
in the evening. A slight chance of light showers after midnight.
Waves 2 to 4 feet.
.SUNDAY...Northwest winds 20 to 25 knots diminishing to 15 to
20 knots late in the morning...then increasing to 20 to 25 knots
in the afternoon. Mostly cloudy early in the morning becoming
partly cloudy. A chance of light snow showers until late
afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...West winds 15 to 20 knots. Mostly cloudy in the
evening becoming partly cloudy. Waves 1 to 3 feet.

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

$$

LHZ421-181600-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
338 AM EST Sat Nov 18 2017

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

.TODAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then becoming north 10 to 15 knots
early in the afternoon increasing to 15 to 20 knots late in the
afternoon. A chance of light showers early in the morning...then
light showers in the late morning and afternoon. Waves around
2 feet or less building to 2 to 4 feet late in the afternoon.
.TONIGHT...North winds 20 to 25 knots increasing to 30 knots with
gusts to 35 knot gales in the late evening and overnight. Light rain
showers in the evening mixing with snow. A chance of light showers
after midnight. Waves 8 to 12 feet. Waves occasionally around 15
feet.
.SUNDAY...Northwest winds to 30 knots diminishing to 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Mostly cloudy early in the morning becoming partly
cloudy. A chance of light snow showers until late afternoon.
Waves 6 to 9 feet subsiding to 4 to 6 feet late in the afternoon.
Waves occasionally around 12 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and overnight. Mostly cloudy until
early morning becoming partly cloudy. Waves 3 to 5 feet. Waves
occasionally around 7 feet.

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

$$

LHZ441-181600-
Port Austin to Harbor Beach MI-
338 AM EST Sat Nov 18 2017

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

.TODAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then becoming northwest 10 to
15 knots early in the afternoon becoming north 15 to 20 knots
late in the afternoon. A chance of light showers early in the
morning...then showers in the late morning and afternoon.
Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon.
.TONIGHT...North winds 20 to 25 knots becoming northwest gales to
35 knot gales. Light showers and a chance of light snow showers
until early morning...then a chance of light snow showers and a
slight chance of light showers early in the morning. Waves 6 to
9 feet building to 10 to 14 feet after midnight. Waves
occasionally around 18 feet.
.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 snow
showers until late afternoon. Waves 8 to 12 feet subsiding to
6 to 9 feet late in the afternoon. Waves occasionally around
15 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots diminishing to 15 to
20 knots after midnight. Mostly cloudy. Waves 4 to 6 feet. Waves
occasionally around 8 feet.

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

$$

LHZ442-181600-
Harbor Beach to Port Sanilac MI-
338 AM EST Sat Nov 18 2017

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

.TODAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then veering to the north early in
the afternoon increasing to 15 to 20 knots late in the afternoon.
A chance of light showers early in the morning...then light
showers in the late morning and afternoon. Waves 1 to 3 feet.
.TONIGHT...North winds 20 to 25 knots becoming northwest gales to
35 knot gales. Rain showers and a slight chance of light snow
showers until early morning...then a chance of light snow showers
and a slight 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.
.SUNDAY...Northwest winds to 30 knots diminishing to 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Mostly cloudy. A chance of light snow showers until
late afternoon. Waves 8 to 12 feet subsiding to 5 to 7 feet late
in the afternoon. Waves occasionally around 15 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and overnight. Mostly cloudy. Waves
3 to 5 feet subsiding to 1 to 3 feet early in the morning. Waves
occasionally around 7 feet.

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

$$

LHZ443-181600-
Port Sanilac to Port Huron MI-
338 AM EST Sat Nov 18 2017

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

.TODAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then veering to the north early in
the afternoon increasing to 15 to 20 knots late in the afternoon.
A chance of light showers early in the morning...then light
showers in the late morning and afternoon. Waves around 2 feet or
less.
.TONIGHT...North winds 20 to 25 knots becoming northwest gales to
35 knot gales. Light showers and a slight chance of light snow
showers until early morning...then a chance of light snow showers
and a slight 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.
.SUNDAY...Northwest winds to 30 knots becoming west 15 to
20 knots. Mostly cloudy. A chance of light snow showers until
late afternoon. Waves 6 to 9 feet subsiding to 3 to 5 feet late
in the afternoon. Waves occasionally around 12 feet.
.SUNDAY NIGHT...West winds 15 to 20 knots. Partly cloudy becoming
mostly cloudy in the late evening and early morning becoming
partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.

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

$$

LEZ444-181600-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
338 AM EST Sat Nov 18 2017

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

.TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then becoming east 5 to
10 knots late in the afternoon. Showers and a slight chance of
thunderstorms until late afternoon...then showers late in the
afternoon. Waves 1 to 3 feet.
.TONIGHT...North winds 20 to 25 knots with gusts to 30 knots
becoming northwest to 30 knots with gusts to 35 knot gales after
midnight. Light showers and a chance of light snow showers until
early morning...then a chance of light snow showers and a slight
chance of light showers early in the morning. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 20 to 25 knots diminishing to 15 to
20 knots in the afternoon. Mostly cloudy. A chance of light snow
showers until late afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.
.SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight...then increasing to 15 to 20 knots early
in the morning. Partly cloudy. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 43.4 degrees.

$$

RBP

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