Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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306
FZUS53 KDTX 230145
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
945 PM EDT Tue Aug 22 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.

LHZ422-230915-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
945 PM EDT Tue Aug 22 2017

.REST OF TONIGHT...West winds 15 to 20 knots. Mostly clear. A
chance of waterspouts. Waves 1 to 3 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Mostly sunny in the
morning becoming partly cloudy. Waterspouts likely. Waves 1 to
3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Mostly clear.
Waterspouts likely. Waves 1 to 3 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. Partly cloudy. Waterspouts likely.
Waves around 2 feet or less.

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

$$

LHZ421-230915-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
945 PM EDT Tue Aug 22 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT WEDNESDAY...

.REST OF TONIGHT...West winds 15 to 20 knots with gusts to 25
knots...diminishing to 15 to 20 knots early in the morning.
Mostly clear. A chance of waterspouts. Waves 2 to 4 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots in the late morning and afternoon. Mostly sunny in the
morning becoming partly cloudy. Waterspouts likely. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and
afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and early morning...then
diminishing to 10 to 15 knots early in the morning. Mostly clear.
Waterspouts likely. Waves 1 to 3 feet building to 2 to 4 feet
after midnight.
.THURSDAY...North winds 10 to 15 knots. Partly cloudy.
Waterspouts likely. Waves 1 to 3 feet.

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

$$

LHZ441-230915-
Port Austin to Harbor Beach MI-
945 PM EDT Tue Aug 22 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT WEDNESDAY...

.REST OF TONIGHT...West winds 15 to 20 knots with gusts to 25
knots...diminishing to 15 to 20 knots early in the morning.
Mostly clear. A chance of waterspouts. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
.WEDNESDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots in the afternoon. Mostly sunny until late afternoon...
then partly cloudy with a slight chance of light showers late in
the afternoon. Waterspouts likely. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and early morning...then
diminishing to 10 to 15 knots early in the morning. Partly
cloudy. A slight chance of light showers early in the evening.
Waterspouts likely. Waves 2 to 4 feet.
.THURSDAY...North winds 10 to 15 knots. Partly cloudy becoming
mostly cloudy in the late morning and early afternoon becoming
partly cloudy. A chance of light showers until late afternoon.
Waterspouts likely. Waves 2 to 4 feet.

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

$$

LHZ442-230915-
Harbor Beach to Port Sanilac MI-
945 PM EDT Tue Aug 22 2017

.REST OF TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Mostly clear. A chance of
waterspouts. Waves 2 to 4 feet subsiding to 1 to 3 feet early in
the morning.
.WEDNESDAY...Northwest winds 10 to 15 knots. Mostly sunny in the
morning...then partly cloudy with a slight chance of light
showers in the afternoon. Waterspouts likely. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Mostly cloudy
early in the evening becoming partly cloudy. A slight chance of
light showers early in the evening. Waterspouts likely. Waves
1 to 3 feet building to 2 to 4 feet in the late evening and
overnight.
.THURSDAY...North winds 10 to 15 knots. Partly cloudy with a
chance of light showers. Waterspouts likely. Waves 2 to 4 feet.

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

$$

LHZ443-230915-
Port Sanilac to Port Huron MI-
945 PM EDT Tue Aug 22 2017

.REST OF TONIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots after midnight. Mostly clear. A chance of
waterspouts. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then becoming north 10 to 15 knots
in the afternoon. Mostly sunny in the morning...then partly
cloudy with a slight chance of light showers in the afternoon.
Waterspouts likely. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Mostly cloudy
early in the evening becoming mostly clear. A slight chance of
light showers early in the evening. Waterspouts likely. Waves
1 to 3 feet.
.THURSDAY...North winds 10 to 15 knots. Partly cloudy becoming
mostly cloudy early in the afternoon becoming partly cloudy. A
chance of light showers. Waterspouts likely. Waves 1 to 3 feet.

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

$$

LEZ444-230915-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
945 PM EDT Tue Aug 22 2017

.REST OF TONIGHT...Northwest winds 15 to 20 knots becoming west
10 to 15 knots early in the morning. Clear. Waves around 2 feet
or less.
.WEDNESDAY...West winds 10 to 15 knots. Mostly sunny until late
afternoon becoming partly cloudy. A chance of waterspouts. Waves
around 2 feet or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. A
chance of waterspouts. Waves around 2 feet or less.
.THURSDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. Mostly sunny in the
morning becoming partly cloudy. A chance of waterspouts. Waves
around 2 feet or less.

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

The water temperature at Belle Isle is 74.8 degrees.

$$

SF

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



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