Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 150750
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
350 AM EDT Sun Apr 15 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.

LHZ422-151515-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
350 AM EDT Sun Apr 15 2018

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.TODAY...Northeast gales to 35 knots...decreasing to 30 knots this
afternoon. A chance of light sleet in the morning. Freezing rain.
Rain showers in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.TONIGHT...Northeast winds 20 to 25 knots diminishing to 10 to
15 knots. Rain showers in the evening...then a chance of light
showers after midnight. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.MONDAY...Northwest winds 5 to 10 knots becoming west 10 to
15 knots in the late morning and afternoon. Cloudy. A chance of
light showers. Waves around 2 feet or less.
.MONDAY NIGHT...West winds 15 to 20 knots. Cloudy. A chance of
light rain and snow showers in the evening...then a chance of
light snow showers after midnight. Waves 1 to 3 feet.

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

$$

LHZ421-151515-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
350 AM EDT Sun Apr 15 2018

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.TODAY...Northeast gales to 40 knots becoming east to 30 knots
late in the afternoon. A chance of light sleet in the morning.
Freezing rain. Rain showers and a slight chance of sleet in the
afternoon. Waves 12 to 16 feet. Waves occasionally around 20 feet.
.TONIGHT...Northeast winds 20 to 25 knots diminishing to 15 to
20 knots in the late evening and overnight. Rain showers. Waves
8 to 12 feet subsiding to 5 to 7 feet early in the morning. Waves
occasionally around 15 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then becoming west 10 to 15 knots
in the afternoon. Cloudy. A chance of light showers. A chance of
light snow showers early in the afternoon. Waves 3 to 5 feet
subsiding to 1 to 3 feet late in the afternoon. Waves
occasionally around 7 feet.
.MONDAY NIGHT...West winds 15 to 20 knots. Cloudy. A chance of
light rain and snow showers in the evening...then a chance of
light snow showers after midnight. Waves 1 to 3 feet building to
2 to 4 feet in the late evening and overnight.

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

$$

LHZ441-151515-
Port Austin to Harbor Beach MI-
350 AM EDT Sun Apr 15 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...East gales to 35 knot gales with gusts to 40 knot gales
diminishing to 30 knots late in the afternoon. A chance of light
sleet in the morning. Freezing rain. Rain showers late in the
afternoon. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.TONIGHT...East winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Rain showers. Waves 8 to 12 feet
subsiding to 5 to 7 feet after midnight. Waves occasionally
around 15 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots late in the morning...then becoming west 10 to 15 knots
in the afternoon. Cloudy with a chance of showers. Waves 3 to
5 feet subsiding to 1 to 3 feet in the afternoon. Waves
occasionally around 7 feet.
.MONDAY NIGHT...West winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots early in the morning. Cloudy. A
chance of light rain and snow showers in the evening. Light snow
showers likely after midnight. Waves 2 to 4 feet building to 3 to
5 feet in the late evening and overnight. Waves occasionally
around 7 feet.

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

$$

LHZ442-151515-
Harbor Beach to Port Sanilac MI-
350 AM EDT Sun Apr 15 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...East winds to 30 knots diminishing to 20 to 25 knots in
the late morning and early afternoon...then increasing to
30 knots late in the afternoon. Gusts to 35 knot gales. A chance
of light sleet early in the morning. Freezing rain. Rain showers
in the afternoon. Waves 6 to 9 feet building to 10 to 14 feet late
in the afternoon. Waves occasionally around 18 feet.
.TONIGHT...East winds 15 to 20 knots diminishing to 5 to
10 knots. Rain showers. Waves 10 to 14 feet subsiding to 3 to
5 feet. Waves occasionally around 18 feet.
.MONDAY...Southeast winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Cloudy with a chance
of showers. Waves 1 to 3 feet.
.MONDAY NIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. Cloudy. A chance of light showers in the evening. A
chance of light snow showers. Waves 1 to 3 feet.

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

$$

LHZ443-151515-
Port Sanilac to Port Huron MI-
350 AM EDT Sun Apr 15 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...East winds 20 to 25 knots diminishing to 15 to 20 knots
late in the morning...then increasing to 20 to 25 knots early in
the afternoon increasing to 30 knots late in the afternoon. Gusts
to 35 knot gales. A slight chance of light sleet in the morning.
Freezing rain and a slight chance of thunderstorms. Rain showers
in the afternoon. Waves 5 to 7 feet building to 8 to 12 feet late
in the afternoon. Waves occasionally around 15 feet.
.TONIGHT...East winds 10 to 15 knots increasing to 15 to 20 knots
late in the evening...then diminishing to 5 to 10 knots after
midnight. Rain showers. Waves 8 to 12 feet subsiding to 1 to
3 feet. Waves occasionally around 15 feet.
.MONDAY...South winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and afternoon. Cloudy with a chance
of showers. Waves around 2 feet or less.
.MONDAY NIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots in the late evening and
overnight. Cloudy. A chance of light showers until early morning.
A chance of light snow showers. Waves 1 to 3 feet.

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

$$

LEZ444-151515-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
350 AM EDT Sun Apr 15 2018

...GALE WARNING IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.TODAY...East gales to 35 knots...diminishing to 20 to 25 knots
late in the afternoon. Freezing rain early in the morning. Rain
showers and a chance of thunderstorms. A chance of freezing rain
late in the morning. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.TONIGHT...East winds 10 to 15 knots becoming southeast 5 to
10 knots late in the evening...then veering to the west after
midnight increasing to 15 to 20 knots early in the morning.
Showers early in the evening...then a chance of light showers in
the late evening and early morning. A slight chance of light
showers early in the morning. Waves 2 to 4 feet subsiding to
2 feet or less in the late evening and overnight.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to 30 knots in the late morning and afternoon. Cloudy.
A chance of light showers in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Cloudy. A chance of light showers until
early morning. A chance of light snow showers after midnight.
Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 42.3 degrees.

$$

SC

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