Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 131905
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
305 PM EDT Fri Apr 13 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.

LHZ422-140315-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
305 PM EDT Fri Apr 13 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SUNDAY
AFTERNOON...

.TONIGHT...Northeast winds 20 to 25 knots diminishing to 15 to
20 knots after midnight...then increasing to 20 to 25 knots with
gusts to 30 knots early in the morning. Light showers and a
chance of thunderstorms. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.SATURDAY...Northeast gales to 35 knot gales with gusts to
40 knot gales. Rain showers and a chance of thunderstorms in the
morning. Freezing rain, snow showers and light sleet. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.SATURDAY NIGHT...East gales to 35 knot gales. Light sleet in the
evening. Light freezing rain and a chance of thunderstorms. A
chance of light sleet after midnight. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.SUNDAY...East gales to 35 knot gales becoming northeast 20 to
25 knots. Freezing rain until late afternoon. A chance of
thunderstorms. Rain showers in the afternoon. Waves 4 to 6 feet.
Waves occasionally around 7 feet.

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

$$

LHZ421-140315-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
305 PM EDT Fri Apr 13 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SUNDAY
AFTERNOON...

.TONIGHT...Northeast winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and early morning...then increasing
to 30 knots early in the morning. Rain showers and a chance of
thunderstorms. Waves 4 to 6 feet building to 6 to 9 feet early in
the morning. Waves occasionally around 12 feet.
.SATURDAY...Northeast gales to 35 knot gales with gusts to
40 knot gales. A chance of showers and thunderstorms in the
morning. Freezing rain, snow showers and light sleet. Snow may be
heavy at times until late afternoon. Waves 12 to 16 feet. Waves
occasionally around 20 feet.
.SATURDAY NIGHT...Northeast gales to 35 knot gales diminishing to
30 knots late in the evening...then becoming east gales to
35 knot gales after midnight. Gusts to 40 knot gales. Light sleet
and a chance of light snow showers in the evening. Light freezing
rain and a chance of thunderstorms. A chance of light sleet after
midnight. Waves 10 to 14 feet. Waves occasionally around 18 feet.
.SUNDAY...East gales to 35 knot gales with gusts to 40 knot gales
diminishing to 30 knots late in the afternoon. Freezing rain
until late afternoon. A chance of thunderstorms. Rain showers in
the afternoon. Waves 10 to 14 feet. Waves occasionally around
18 feet.

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

$$

LHZ441-140315-
Port Austin to Harbor Beach MI-
305 PM EDT Fri Apr 13 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM EDT SATURDAY THROUGH SUNDAY
AFTERNOON...

.TONIGHT...Northeast winds 15 to 20 knots increasing to 30 knots
early in the morning. Rain showers and a chance of thunderstorms.
Waves 4 to 6 feet building to 6 to 9 feet early in the morning.
Waves occasionally around 12 feet.
.SATURDAY...Northeast gales to 35 knot gales diminishing to
30 knots late in the afternoon. Gusts to 40 knot gales. Freezing
rain, snow showers, sleet, showers and possible thunderstorms
early in the morning...then freezing rain, snow showers and light
sleet in the late morning and afternoon. Snow may be heavy at
times until late afternoon. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.SATURDAY NIGHT...Northeast winds to 30 knots becoming east gales
to 35 knot gales early in the morning. Light sleet and a chance
of light snow showers in the evening. Light freezing rain and a
chance of thunderstorms. A chance of light sleet after midnight.
Waves 10 to 14 feet. Waves occasionally around 18 feet.
.SUNDAY...East gales to 35 knot gales diminishing to 30 knots in
the afternoon. Freezing rain until late afternoon. A chance of
thunderstorms. Rain showers in the afternoon. Waves 10 to
14 feet. Waves occasionally around 18 feet.

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

$$

LHZ442-140315-
Harbor Beach to Port Sanilac MI-
305 PM EDT Fri Apr 13 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...Northeast winds 15 to 20 knots increasing to 20 to
25 knots early in the morning. Light showers and a chance of
thunderstorms. Waves 3 to 5 feet building to 5 to 7 feet early in
the morning. Waves occasionally around 10 feet.
.SATURDAY...Northeast winds to 30 knots increasing to 35 knot
gales late in the morning...then diminishing to 30 knots in the
afternoon. Rain showers, a chance of thunderstorms and freezing
rain in the morning. Sleet and a chance of snow showers. Freezing
rain in the afternoon. Precipitation may be heavy at times in the
morning. Waves 10 to 14 feet. Waves occasionally around 18 feet.
.SATURDAY NIGHT...Northeast winds to 30 knots. Light sleet in the
evening. Light freezing rain and a chance of thunderstorms. Waves
8 to 12 feet. Waves occasionally around 15 feet.
.SUNDAY...East winds to 30 knots diminishing to 20 to 25 knots in
the afternoon. Freezing rain in the morning. Rain showers and a
chance of thunderstorms. A chance of freezing rain in the
afternoon. Waves 8 to 12 feet. Waves occasionally around 15 feet.

Small Craft Advisory conditions 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.

$$

LHZ443-140315-
Port Sanilac to Port Huron MI-
305 PM EDT Fri Apr 13 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE SUNDAY NIGHT...

.TONIGHT...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Light showers and a
chance of thunderstorms. Waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight. Waves occasionally
around 7 feet.
.SATURDAY...Northeast winds 20 to 25 knots increasing to 30 knots
in the late morning and early afternoon...then diminishing to
20 to 25 knots late in the afternoon. A chance of thunderstorms
in the morning. Rain showers and light sleet. A chance of
freezing rain in the afternoon. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SATURDAY NIGHT...Northeast winds 20 to 25 knots. Gusts to
30 knots in the evening...then Gusts to 30 knots early in the
morning. Freezing rain, light sleet and a chance of thunderstorms
early in the evening...then light freezing rain likely and a
chance of thunderstorms in the late evening and overnight. Waves
6 to 9 feet. Waves occasionally around 12 feet.
.SUNDAY...East winds 20 to 25 knots. Gusts to 30 knots early in
the morning. Freezing rain in the morning. A chance of
thunderstorms. Rain showers in the late morning and afternoon.
Waves 5 to 7 feet. Waves occasionally around 10 feet.

Small Craft Advisory conditions 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.

$$

LEZ444-140315-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
305 PM EDT Fri Apr 13 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY AFTERNOON...

.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Light showers and a chance of
thunderstorms. Waves 1 to 3 feet.
.SATURDAY...Northeast winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Rain showers and a chance of
thunderstorms. Waves 3 to 5 feet. Waves occasionally around
7 feet.
.SATURDAY NIGHT...Northeast winds 20 to 25 knots becoming east to
30 knots early in the morning. Rain showers and a chance of
thunderstorms. Waves 4 to 6 feet. Waves occasionally around
8 feet.
.SUNDAY...East winds to 30 knots diminishing to 15 to 20 knots.
Rain showers and a chance of thunderstorms. Waves 4 to 6 feet
subsiding to 2 to 4 feet late in the afternoon. Waves
occasionally around 8 feet.

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

The water temperature at Belle Isle is 40.7 degrees.

$$

JVC

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



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