Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 212038
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
338 PM EST Sun Jan 21 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.

LHZ422-220415-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
338 PM EST Sun Jan 21 2018

.TONIGHT...Light and variable winds becoming northeast 10 to
15 knots. Cloudy with a chance of light rain. A chance of drizzle
until early morning. Areas of fog.
.MONDAY...East winds 15 to 20 knots. Areas of fog early in the
morning. Rain showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots diminishing to
5 to 10 knots after midnight. Light showers.
.TUESDAY...Southwest winds 10 to 15 knots veering to the
northwest in the afternoon. Light showers in the morning. Light
snow showers. A chance of light showers in the afternoon.

Waves omitted due to ice coverage.

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

$$

LHZ421-220415-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
338 PM EST Sun Jan 21 2018

.TONIGHT...Light and variable winds becoming east 10 to 15 knots.
Mostly cloudy with a chance of light rain. A chance of drizzle
until early morning. Areas of fog. Waves around 2 feet or less.
.MONDAY...East winds 15 to 20 knots. Areas of fog early in the
morning. Rain showers. Waves around 2 feet or less.
.MONDAY NIGHT...Southeast winds 15 to 20 knots diminishing to
5 to 10 knots. Light showers. Waves around 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots late in the morning...then veering to the northwest in
the afternoon. Light showers in the morning. Light snow showers
in the late morning and early afternoon...then a chance of light
snow showers late in the afternoon. Waves around 2 feet or less.

Wave heights are for ice free areas.

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

$$

LHZ441-220415-
Port Austin to Harbor Beach MI-
338 PM EST Sun Jan 21 2018

.TONIGHT...Light and variable winds becoming east 10 to 15 knots.
Cloudy with a chance of light rain. A chance of drizzle until
early morning. Areas of fog. Waves around 2 feet or less.
.MONDAY...East winds 15 to 20 knots. Areas of fog early in the
morning. Rain showers. Waves 1 to 3 feet building to 3 to 5 feet
in the late morning and afternoon. Waves occasionally around
7 feet.
.MONDAY NIGHT...Southeast winds 15 to 20 knots becoming south
10 to 15 knots in the late evening and overnight. Light showers.
Waves 3 to 5 feet subsiding to 1 to 3 feet early in the morning.
Waves occasionally around 7 feet.
.TUESDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots late in the morning...then veering to the northwest
early in the afternoon increasing to 20 to 25 knots with gusts to
30 knots late in the afternoon. Light showers until late
afternoon. Light snow showers in the late morning and afternoon.
Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon.

Wave heights are for ice free areas.

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

$$

LHZ442-220415-
Harbor Beach to Port Sanilac MI-
338 PM EST Sun Jan 21 2018

.TONIGHT...Light and variable winds becoming east 5 to 10 knots
after midnight. Cloudy with a chance of light rain. A chance of
drizzle until early morning. Areas of fog. Waves around 2 feet or
less.
.MONDAY...East winds 10 to 15 knots becoming southeast 15 to
20 knots late in the afternoon. Areas of fog early in the
morning. Rain showers. Waves 1 to 3 feet building to 2 to 4 feet
in the afternoon.
.MONDAY NIGHT...Southeast winds 15 to 20 knots becoming south 10 to
15 knots in the late evening and overnight. Light showers. Waves 3 to
5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally
around 7 feet. A Small Craft Advisory may be needed.
.TUESDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots early in the afternoon...then becoming northwest 20 to
25 knots with gusts to 30 knots late in the afternoon. Cloudy. A
chance of light snow showers in the morning. Light showers
likely. Light snow showers likely in the afternoon. Waves 1 to
3 feet building to 2 to 4 feet late in the afternoon.

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

$$

LHZ443-220415-
Port Sanilac to Port Huron MI-
338 PM EST Sun Jan 21 2018

.TONIGHT...Light and variable winds becoming east 5 to 10 knots
after midnight. Cloudy. A chance of light rain until early
morning...then light rain likely early in the morning. A chance
of drizzle until early morning. Areas of fog. Waves around 2 feet
or less.
.MONDAY...East winds 5 to 10 knots becoming southeast 15 to
20 knots. Areas of fog early in the morning. Rain showers. Waves
1 to 3 feet.
.MONDAY NIGHT...Southeast winds 15 to 20 knots becoming south
10 to 15 knots late in the evening...then diminishing to 5 to
10 knots after midnight increasing to 10 to 15 knots early in the
morning. Light showers. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.TUESDAY...Southwest winds 10 to 15 knots becoming northwest
15 to 20 knots late in the afternoon. Cloudy. Light showers
likely. A chance of light snow showers late in the morning...then
light snow showers likely late in the afternoon. Waves 1 to
3 feet.

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

$$

LEZ444-220415-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
338 PM EST Sun Jan 21 2018

.TONIGHT...Light and variable winds becoming southeast 5 to
10 knots in the late evening and overnight. Light rain until
early morning...then light rain and snow early in the morning.
Drizzle likely until early morning. Areas of dense fog.
.MONDAY...Southeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. Areas of fog early in the morning.
Light rain early in the morning...then showers in the late
morning and afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Light showers.
.TUESDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots in the late morning and afternoon. Cloudy. Light showers
likely early in the morning. A chance of light showers in the
late morning and afternoon. A chance of light snow showers late
in the afternoon.

Waves omitted due to ice coverage.

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

The water temperature at Belle Isle is 31.6 degrees.

$$

AA

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a www.weather.gov/greatlakes



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