Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 171510
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1010 AM 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.

LHZ422-172215-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1010 AM EST Fri Nov 17 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE
SATURDAY NIGHT...

.REST OF TODAY...South winds 10 to 15 knots. Cloudy. Waves 1 to
3 feet.
.TONIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Showers. 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 late in the afternoon.
Showers. Waves around 2 feet or less building to 2 to 4 feet late in
the afternoon. A Small Craft Advisory may be needed.
.SATURDAY NIGHT...North winds 20 to 25 knots becoming northwest to 30
knots in the late evening and early morning...then diminishing to 20
to 25 knots early in the morning. Gusts to 35 knot gales. Light
showers early in the evening...then a chance of light showers in the
late evening and early morning. Waves 3 to 5 feet. Waves occasionally
around 7 feet. A Gale Warning may be needed.

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

$$

LHZ421-172215-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1010 AM EST Fri Nov 17 2017

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

.REST OF TODAY...South winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. Cloudy. Waves 1 to 3 feet.
.TONIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.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. Light showers. Waves around 2 feet or less building to
4 to 6 feet late in the afternoon. Waves occasionally around 8 feet.
A Small Craft Advisory may be needed.
.SATURDAY NIGHT...North gales to 35 knot gales becoming northwest to
30 knots early in the morning. Light showers until early morning.
Waves 10 to 14 feet. Waves occasionally around 18 feet.

Gales are expected to continue beyond the forecast period. Please
refer to the Open Lakes Forecast for more information.

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

$$

LHZ441-172215-
Port Austin to Harbor Beach MI-
1010 AM EST Fri Nov 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TODAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Cloudy. Waves 1 to 3 feet building to
2 to 4 feet late in the afternoon.
.TONIGHT...South winds 20 to 25 knots diminishing to 15 to
20 knots after midnight. Light showers. Waves 3 to 5 feet. Waves
occasionally around 6 feet.
.SATURDAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then veering to the northeast
early in the afternoon becoming north 20 to 25 knots with gusts
to 30 knots late in the afternoon. Light showers. Waves 1 to
3 feet building to 3 to 5 feet late in the afternoon. Waves
occasionally around 7 feet.
.SATURDAY NIGHT...Northwest gales to 35 knot gales with gusts to 40
knot gales. Light showers until early morning. Waves 10 to 14 feet
building to 12 to 16 feet after midnight. Waves occasionally around
20 feet.

Gales are expected to continue beyond the forecast period. Please
refer to the Open Lakes Forecast for more information.

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

$$

LHZ442-172215-
Harbor Beach to Port Sanilac MI-
1010 AM EST Fri Nov 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TODAY...South winds 5 to 10 knots increasing to 15 to
20 knots in the afternoon. Cloudy. Waves 1 to 3 feet building to
3 to 5 feet late in the afternoon. Waves occasionally around
7 feet.
.TONIGHT...South winds 20 to 25 knots diminishing to 15 to
20 knots early in the morning. A chance of light showers early in
the evening...then light showers in the late evening and
overnight. 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 becoming southeast 10 to
15 knots early in the afternoon becoming north 15 to 20 knots
late in the afternoon. Light showers. Waves 1 to 3 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...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.

Gales are expected to continue beyond the forecast period. Please
refer to the Open Lakes Forecast for more information.

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

$$

LHZ443-172215-
Port Sanilac to Port Huron MI-
1010 AM EST Fri Nov 17 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

.REST OF TODAY...South winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. Cloudy. Waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon.
.TONIGHT...South winds 20 to 25 knots diminishing to 15 to
20 knots early in the morning. A chance of light showers early in
the evening...then light showers in the late evening and
overnight. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.SATURDAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then becoming south 10 to 15 knots
early in the afternoon veering to the northwest late in the
afternoon. Light showers. Waves 1 to 3 feet.
.SATURDAY NIGHT...North winds to 30 knots with gusts to 35 knot gales
becoming northwest gales to 35 knot gales with gusts to 40 knot gales
after midnight...then diminishing to 30 knots with gusts to 35 knot
gales early in the morning. 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.

Gales are expected to continue beyond the forecast period. Please
refer to the Open Lakes Forecast for more information.

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

$$

LEZ444-172215-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1010 AM EST Fri Nov 17 2017

...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH LATE
SATURDAY NIGHT...

.REST OF TODAY...South winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Cloudy. Waves around 2 feet or less.
.TONIGHT...South winds 15 to 20 knots. A chance of light showers
early in the evening...then showers in the late evening and
overnight. A slight chance of thunderstorms after midnight. Waves
2 to 4 feet.
.SATURDAY...Southwest winds 15 to 20 knots becoming south 10 to
15 knots late in the morning...then becoming southwest 15 to
20 knots in the afternoon. Showers and a slight chance of
thunderstorms. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
late morning and afternoon.
.SATURDAY NIGHT...Northwest winds 20 to 25 knots increasing to 30
knots in the late evening and early morning...then diminishing to 20
to 25 knots early in the morning. Gusts to 35 knot gales. Light
showers until early morning. Waves 2 to 4 feet. A Gale Warning may be
needed.

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

The water temperature at Belle Isle is 42.9 degrees.

$$

AA

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes



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