382
FZUS53 KDTX 210738
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
338 AM EDT Tue May 21 2024

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.

LHZ422-211545-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
338 AM EDT Tue May 21 2024

.TODAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon, then becoming southeast 10 to
15 knots late in the afternoon. Partly cloudy in the morning,
then mostly sunny with a slight chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to
20 knots after midnight. Partly cloudy. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight. Waves 1 to 3 feet
building to 2 to 4 feet after midnight.
.WEDNESDAY...Southwest winds 15 to 20 knots. Partly cloudy in the
morning then clearing. Waves 3 to 5 feet. Waves occasionally around 7
feet. A Small Craft Advisory may be needed.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming southwest
10 to 15 knots in the late evening and overnight. Clear. Waves
3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves
occasionally around 7 feet.

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

$$

LHZ421-211545-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
338 AM EDT Tue May 21 2024

.TODAY...Southwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon, then backing to the southeast
late in the afternoon. Partly cloudy. A chance of showers in the
morning. Waves 2 feet or less.
.TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to
20 knots after midnight. Partly cloudy. A chance of showers and
thunderstorms after midnight. Waves 1 to 3 feet building to 2 to
4 feet after midnight.
.WEDNESDAY...Southwest winds 15 to 20 knots. Partly cloudy in the
morning then clearing. Waves 4 to 6 feet. Waves occasionally around 8
feet. A Small Craft Advisory may be needed.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. Clear. Waves
3 to 5 feet. Waves occasionally around 7 feet.

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

$$

LHZ441-211545-
Port Austin to Harbor Beach MI-
338 AM EDT Tue May 21 2024

.TODAY...Southwest winds 5 to 10 knots backing to the southeast
late in the afternoon. Mostly cloudy with a chance of showers and
a slight chance of thunderstorms in the morning, then partly
cloudy in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 10 to 15 knots. Partly cloudy. A
chance of showers and thunderstorms after midnight. Waves 2 feet
or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest 15 to 20
knots in the late morning and afternoon. Partly cloudy in the morning
then clearing. Waves 2 to 4 feet building to 3 to 5 feet in the late
morning and afternoon. Waves occasionally around 7 feet. A Small
Craft Advisory may be needed.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming southwest
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 2 to 4 feet.

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

$$

LHZ442-211545-
Harbor Beach to Port Sanilac MI-
338 AM EDT Tue May 21 2024

.TODAY...Southwest winds 5 to 10 knots backing to the southeast
late in the afternoon. Partly cloudy. A chance of showers and a
slight chance of thunderstorms in the morning, then a slight
chance of showers in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. Partly cloudy. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and a slight chance of thunderstorms after
midnight. Waves 1 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and afternoon. Partly cloudy in the
morning then clearing. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming southwest
5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet.

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

$$

LHZ443-211545-
Port Sanilac to Port Huron MI-
338 AM EDT Tue May 21 2024

.TODAY...Southwest winds 5 to 10 knots backing to the south late
in the afternoon. Partly cloudy in the morning becoming mostly
sunny. A slight chance of showers and thunderstorms. Waves 2 feet
or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots after midnight. Partly cloudy. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers and a slight chance of thunderstorms after midnight.
Waves 1 to 3 feet.
.WEDNESDAY...Southwest winds 10 to 15 knots. Partly cloudy in the
morning then clearing. A chance of showers. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 1 to 3 feet.

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

$$

LEZ444-211545-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
338 AM EDT Tue May 21 2024

.TODAY...Southwest winds 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.TONIGHT...South winds 10 to 15 knots. Mostly clear. A chance of
showers and a slight chance of thunderstorms after midnight.
Waves 2 feet or less.
.WEDNESDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and early afternoon, then
diminishing to 10 to 15 knots early in the afternoon. Partly
cloudy in the morning, then mostly sunny with a chance of showers
and thunderstorms in the afternoon. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. Partly cloudy.
Waves 2 feet or less.

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

The water temperature at Belle Isle is 63 degrees.

$$

MR

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