Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 171943
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
343 PM EDT Tue Apr 17 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.

LHZ422-180315-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
343 PM EDT Tue Apr 17 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...Northwest winds 15 to 20 knots with gusts to 25 knots
becoming west 10 to 15 knots after midnight. Mostly cloudy. Waves
1 to 3 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then becoming light and variable
early in the afternoon becoming east 5 to 10 knots late in the
afternoon. Mostly cloudy becoming partly cloudy late in the
morning becoming mostly cloudy. A chance of light rain and snow
late in the afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
15 to 20 knots after midnight. Cloudy. Light rain likely in the
evening. Light snow likely until early morning...then a chance of
light snow early in the morning. Waves 1 to 3 feet.
.THURSDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots late in the afternoon. Mostly cloudy until late
afternoon becoming partly cloudy. A chance of light snow until
late afternoon. Waves 1 to 3 feet.

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

$$

LHZ421-180315-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
343 PM EDT Tue Apr 17 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...West winds 15 to 25 knots diminishing to 10 to 15
knots after midnight. Cloudy. Isolated light snow showers early in
the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
late evening and overnight.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming northeast
5 to 10 knots in the afternoon. Mostly cloudy becoming partly
cloudy late in the morning becoming mostly cloudy. A chance of
light rain and snow late in the afternoon. Waves around 2 feet or
less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
20 to 25 knots with gusts to 30 knots. Cloudy. Light snow and
light rain likely. Waves 1 to 3 feet building to 4 to 6 feet
early in the morning. Waves occasionally around 8 feet.
.THURSDAY...North winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots late in the afternoon. Mostly
cloudy until late afternoon becoming partly cloudy. A chance of
light snow until late afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.

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

$$

LHZ441-180315-
Port Austin to Harbor Beach MI-
343 PM EDT Tue Apr 17 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...West winds 15 to 20 knots with gusts to 25 knots
diminishing to 10 to 15 knots early in the morning. Cloudy.
Isolated light snow showers until early morning. Waves 2 to 4
feet.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. Mostly cloudy. A chance of light snow
late in the afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots increasing to 20 to
25 knots. Cloudy. Light snow likely until early morning. A chance
of light rain after midnight...then a chance of light snow early
in the morning. Waves 1 to 3 feet building to 3 to 5 feet early
in the morning. Waves occasionally around 7 feet.
.THURSDAY...North winds 20 to 25 knots with gusts to 30 knots.
Mostly cloudy. A chance of light snow until late afternoon. Waves
6 to 9 feet. Waves occasionally around 12 feet.

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

$$

LHZ442-180315-
Harbor Beach to Port Sanilac MI-
343 PM EDT Tue Apr 17 2018

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots early in the morning. Cloudy. A slight chance of light
snow showers until early morning. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. Mostly cloudy. A
chance of light rain, light freezing rain and snow late in the
afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots becoming north 15 to
20 knots with gusts to 30 knots. Cloudy with light snow likely. Waves
1 to 3 feet building to 2 to 4 feet early in the morning. A Small
Craft Advisory may be needed.
.THURSDAY...North winds 20 to 25 knots with gusts to 30 knots.
Cloudy. Light snow likely until late afternoon. Waves 5 to
7 feet. Waves occasionally around 10 feet.

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

$$

LHZ443-180315-
Port Sanilac to Port Huron MI-
343 PM EDT Tue Apr 17 2018

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Cloudy. A slight chance of light rain
and snow showers early in the evening...then a slight chance of
light snow showers in the late evening and early morning. Waves
1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots diminishing to 5 to
10 knots late in the morning...then veering to the north early in
the afternoon becoming northeast 10 to 15 knots late in the
afternoon. Mostly cloudy. A chance of light rain late in the
afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. Cloudy. Light snow likely, a
chance of light rain and freezing rain until early morning...then
light snow likely and a chance of light rain early in the
morning. Waves 1 to 3 feet.
.THURSDAY...North winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and afternoon. Gusts to 30 knots. Cloudy. Light
snow likely early in the morning...then a chance of light snow in the
late morning and afternoon. Waves 4 to 6 feet. Waves occasionally
around 7 feet. A Small Craft Advisory may be needed.

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

$$

LEZ444-180315-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
343 PM EDT Tue Apr 17 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...West winds 15 to 20 knots with gusts to 25 knots
diminishing to 10 to 15 knots in the late evening and overnight.
Mostly cloudy early in the evening becoming partly cloudy. Waves
around 2 feet.
.WEDNESDAY...West winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots early in the afternoon backing to the east. Partly
cloudy until late afternoon...then mostly cloudy with light rain
likely late in the afternoon. Waves around 2 feet or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Light rain. A
chance of light snow after midnight...then light snow likely
early in the morning. Waves around 2 feet or less.
.THURSDAY...Northwest winds 15 to 20 knots. Mostly cloudy. Light
snow likely early in the morning...then a chance of light snow in
the late morning and early afternoon. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 39.3 degrees.

$$

SF

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a www.weather.gov/greatlakes



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