Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 231950
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
347 PM EDT Mon Oct 23 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.

LHZ422-240300-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
347 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
EVENING...

.TONIGHT...Southeast winds 10 to 15 knots becoming south 20 to
25 knots with gusts to 30 knots in the late evening and early
morning...then becoming southwest to 30 knots with gusts to
35 knot gales early in the morning. Rain. Waves 1 to 3 feet
building to 4 to 6 feet. Waves occasionally around 8 feet.
.TUESDAY...Southwest gales to 35 knot gales becoming south to
30 knots late in the morning...then diminishing to 20 to 25 knots
early in the afternoon increasing to 30 knots late in the
afternoon. Gusts to 40 knot gales. A chance of light rain early
in the morning...then light showers in the late morning and
afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TUESDAY NIGHT...Southwest winds to 30 knots diminishing to 20 to
25 knots in the late evening and overnight. Gusts to 35 knot
gales. Light showers. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.WEDNESDAY...West winds 20 to 25 knots diminishing to 15 to
20 knots in the afternoon. Mostly cloudy. Light showers likely
early in the morning...then a chance of light showers in the late
morning and early afternoon. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon.

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

$$

LHZ421-240300-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
347 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 2 AM EDT TUESDAY THROUGH TUESDAY
EVENING...

.TONIGHT...Southeast winds 20 to 25 knots increasing to 30 knots
with gusts to 35 knot gales in the late evening and early
morning...then becoming south gales to 35 knot gales with gusts
to 40 knot gales early in the morning. Rain. Waves 4 to 6 feet.
Waves occasionally around 7 feet.
.TUESDAY...Southwest gales to 35 knot gales becoming south to
30 knots in the late morning and afternoon. Gusts to 40 knot
gales. Cloudy. A chance of light rain early in the morning...then
light showers likely in the late morning and afternoon. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.TUESDAY NIGHT...Southwest winds to 30 knots with gusts to
40 knot gales diminishing to 20 to 25 knots with gusts to 35 knot
gales in the late evening and overnight. Cloudy with light
showers likely. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.WEDNESDAY...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the afternoon. Mostly cloudy.
Light showers likely early in the morning...then a chance of
light showers in the late morning and early afternoon. Waves 3 to
5 feet. Waves occasionally around 7 feet.

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

$$

LHZ441-240300-
Port Austin to Harbor Beach MI-
347 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY EVENING...

.TONIGHT...Southeast winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots with gusts to 40 knot gales...then
becoming south gales to 35 knot gales with gusts to 40 knot gales
after midnight diminishing to 30 knots with gusts to 40 knot
gales early in the morning. Rain. Waves 6 to 9 feet building to
8 to 12 feet after midnight. Waves occasionally around 15 feet.
.TUESDAY...Southwest gales to 35 knot gales becoming south to
30 knots in the late morning and afternoon. Gusts to 40 knot
gales. Mostly cloudy. A chance of light rain early in the
morning...then a chance of light showers late in the morning.
Light showers likely in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.TUESDAY NIGHT...South winds to 30 knots with gusts to 40 knot
gales becoming southwest 20 to 25 knots with gusts to 35 knot
gales after midnight. Cloudy. Light showers likely early in the
evening...then a chance of light showers late in the evening.
Light showers likely after midnight. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.WEDNESDAY...West winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the afternoon. Cloudy. Light
showers likely until late afternoon...then a chance of light
showers late in the afternoon. Waves 3 to 5 feet. Waves
occasionally around 7 feet.

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

$$

LHZ442-240300-
Harbor Beach to Port Sanilac MI-
347 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY EVENING...

.TONIGHT...Southeast winds 20 to 25 knots increasing to
30 knots...then becoming south gales to 35 knot gales after
midnight diminishing to 30 knots early in the morning. Gusts to
40 knot gales. Rain. Waves 6 to 9 feet. Waves occasionally around
12 feet.
.TUESDAY...South winds to 30 knots with gusts to 40 knot gales.
Mostly cloudy. A chance of light rain early in the morning...then
a chance of light showers late in the morning. Light showers
likely in the afternoon. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.TUESDAY NIGHT...Southwest winds to 30 knots with gusts to
40 knot gales diminishing to 20 to 25 knots with gusts to 35 knot
gales after midnight. Mostly cloudy. Light showers likely early
in the evening...then a chance of light showers late in the
evening. Light showers likely after midnight. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.WEDNESDAY...Southwest winds 20 to 25 knots with gusts to
30 knots becoming west 15 to 20 knots in the afternoon. Cloudy.
Light showers likely...mainly in the morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. Waves
occasionally around 7 feet.

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

$$

LHZ443-240300-
Port Sanilac to Port Huron MI-
347 PM EDT Mon Oct 23 2017

...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
TUESDAY EVENING...

.TONIGHT...Southeast winds 20 to 25 knots becoming south to
30 knots in the late evening and overnight. Gusts to 40 knot
gales. Rain. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.TUESDAY...Southwest winds to 30 knots becoming south 20 to
25 knots late in the morning...then increasing to 30 knots in the
afternoon. Gusts to 40 knot gales. Mostly cloudy. A chance of
light rain early in the morning...then a chance of light showers
in the late morning and afternoon. Waves 4 to 6 feet. Waves
occasionally around 7 feet.
.TUESDAY NIGHT...South winds to 30 knots with gusts to 40 knot
gales becoming southwest 20 to 25 knots with gusts to 35 knot
gales in the late evening and overnight. Mostly cloudy. Light
showers likely...mainly after midnight. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.WEDNESDAY...West winds 15 to 20 knots. Cloudy. Light showers
likely early in the morning...then a chance of light showers in
the late morning and afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet late in the afternoon.

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

$$

LEZ444-240300-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
347 PM EDT Mon Oct 23 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...
...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.TONIGHT...South winds 20 to 25 knots becoming southwest to
30 knots after midnight. Gusts to 35 knot gales. Rain in the
evening...then a chance of light rain after midnight. Waves 3 to
5 feet. Waves occasionally around 7 feet.
.TUESDAY...Southwest winds 20 to 25 knots increasing to 30 knots
late in the afternoon. Gusts to 35 knot gales. Mostly cloudy. A
chance of light rain early in the morning...then light showers
likely in the late morning and early afternoon. A chance of light
showers late in the afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...Southwest winds to 30 knots with gusts to
40 knot gales diminishing to 20 to 25 knots with gusts to 35 knot
gales in the late evening and overnight. Cloudy. Light showers
likely until early morning...then a chance of light showers early
in the morning. Waves 3 to 5 feet. Waves occasionally around
7 feet.
.WEDNESDAY...Southwest winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and afternoon. Mostly cloudy. A
chance of light showers until late afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon.

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

The water temperature at Belle Isle is 59.9 degrees.

$$

MR

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a www.weather.gov/greatlakes



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