Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 140750
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
350 AM EDT Sat Apr 14 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.

LHZ422-141515-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
350 AM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Northeast gales to 40 knot gales with gusts to 45 knot
gales. Rain showers in the morning. Freezing rain, light snow
showers, light sleet and a chance of thunderstorms. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.TONIGHT...East gales to 40 knot gales. A chance of light
freezing rain in the evening. A chance of thunderstorms and light
sleet. Light freezing rain after midnight. Waves 5 to 7 feet.
Waves occasionally around 10 feet.
.SUNDAY...East gales to 35 knot gales with gusts to 40 knot gales
becoming northeast 20 to 25 knots. A chance of light sleet in the
morning. Freezing rain and a chance of thunderstorms. Rain
showers in the afternoon. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots diminishing to
10 to 15 knots after midnight...then becoming northwest 5 to
10 knots early in the morning. A chance of thunderstorms early in
the evening. Rain showers until early morning...then a chance of
light showers early in the morning. Waves 2 to 4 feet subsiding
to 1 to 3 feet early in the morning.

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

$$

LHZ421-141515-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
350 AM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Northeast gales to 40 knot gales. Freezing rain, snow
showers, sleet, possible showers and thunderstorms early in the
morning...then freezing rain, light sleet and light snow showers
in the late morning and afternoon. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.TONIGHT...East gales to 40 knot gales. Cloudy. A chance of light
freezing rain and a slight chance of light snow showers in the
evening. A chance of light sleet and thunderstorms. Light
freezing rain likely 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. A chance of light
sleet in the morning. Freezing rain and a chance of
thunderstorms. Rain showers in the afternoon. Waves 10 to
14 feet. Waves occasionally around 18 feet.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots diminishing to
10 to 15 knots. Rain showers and a chance of thunderstorms early
in the evening...then showers in the late evening and overnight.
Waves 8 to 12 feet. Waves occasionally around 15 feet.

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

$$

LHZ441-141515-
Port Austin to Harbor Beach MI-
350 AM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Northeast gales to 40 knot gales. Freezing rain, snow
showers, sleet, showers and possible thunderstorms early in the
morning...then freezing rain, light snow showers and light sleet
in the late morning and afternoon. Waves 10 to 14 feet. Waves
occasionally around 18 feet.
.TONIGHT...East gales to 35 knot gales with gusts to 40 knot
gales. Cloudy. A chance of freezing rain and a slight chance of
light snow showers in the evening. A chance of thunderstorms and
light sleet. Light freezing rain likely 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. A chance of light
sleet in the morning. Freezing rain and a chance of
thunderstorms. Rain showers in the afternoon. Waves 10 to
14 feet. Waves occasionally around 18 feet.
.SUNDAY NIGHT...East winds 20 to 25 knots diminishing to 10 to
15 knots. Rain showers and a chance of thunderstorms early in the
evening...then showers in the late evening and overnight. Waves
8 to 12 feet subsiding to 5 to 7 feet early in the morning. Waves
occasionally around 15 feet.

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

$$

LHZ442-141515-
Harbor Beach to Port Sanilac MI-
350 AM EDT Sat Apr 14 2018

...GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON...

.TODAY...Northeast winds to 30 knots increasing to 35 knot gales
in the afternoon. Gusts to 40 knot gales. Rain showers and a
chance of thunderstorms in the morning. Freezing rain, sleet and
a chance of light snow showers. Precipitation may be heavy at
times in the morning. Waves 10 to 14 feet. Waves occasionally
around 18 feet.
.TONIGHT...Northeast gales to 35 knot gales becoming east to
30 knots in the late evening and overnight. Cloudy. A chance of
freezing rain and light sleet in the evening. A chance of
thunderstorms. Light freezing rain likely and a slight chance of
light sleet after midnight. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.SUNDAY...East winds to 30 knots with gusts to 35 knot gales
diminishing to 20 to 25 knots with gusts to 30 knots in the
afternoon. Freezing rain until late afternoon. A chance of
thunderstorms. Rain showers in the late morning and afternoon.
Waves 8 to 12 feet. Waves occasionally around 15 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and early morning...then veering to
the south early in the morning. Rain showers and a chance of
thunderstorms early in the evening...then showers in the late
evening and overnight. Waves 5 to 7 feet subsiding to 3 to 5 feet
early in the morning. Waves occasionally around 10 feet.

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

$$

LHZ443-141515-
Port Sanilac to Port Huron MI-
350 AM EDT Sat Apr 14 2018

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

.TODAY...Northeast winds 20 to 25 knots with gusts to 30 knots
gales. A chance of thunderstorms and freezing rain in the morning.
Rain showers and light sleet. Freezing rain and a slight chance
of thunderstorms in the afternoon. Waves 6 to 9 feet. Waves
occasionally around 11 feet.
.TONIGHT...Northeast winds 20 to 25 knots increasing to 30 knots
late in the evening...then becoming east 20 to 25 knots after
midnight. A chance of freezing rain and light sleet in the
evening. A chance of thunderstorms. Freezing rain after midnight.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.SUNDAY...East winds 20 to 25 knots. Gusts to 30 knots until late
afternoon. Freezing rain, showers and a chance of thunderstorms
until late afternoon...then showers and a chance of thunderstorms
late in the afternoon. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots becoming southeast 5 to
10 knots in the late evening and early morning...then veering to
the southwest early in the morning. Rain showers and a chance of
thunderstorms early in the evening...then showers in the late
evening and overnight. Waves 5 to 7 feet subsiding to 1 to
3 feet. Waves occasionally around 10 feet.

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

$$

LEZ444-141515-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
350 AM EDT Sat Apr 14 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH SUNDAY AFTERNOON...

.TODAY...Northeast winds 15 to 20 knots increasing to 30 knots in
the late morning and afternoon. Light showers and a chance of
thunderstorms. Waves 1 to 3 feet building to 3 to 5 feet in the
late morning and afternoon. Waves occasionally around 7 feet.
.TONIGHT...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 20 to 25 knots with gusts to 30 knots
becoming northeast 10 to 15 knots late in the afternoon. 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.
.SUNDAY NIGHT...North winds 5 to 10 knots backing to the west in
the late evening and early morning...then increasing to 10 to
15 knots early in the morning. A chance of thunderstorms early in
the evening. Showers until early morning...then a chance of light
showers early in the morning. Waves around 2 feet or less.

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

The water temperature at Belle Isle is 41.7 degrees.

$$

SC

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a www.weather.gov/greatlakes


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