Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
738
FZUS53 KDTX 160802
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
402 AM EDT Wed Jul 16 2025

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.

LHZ422-161615-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
402 AM EDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Sunny with a chance of
showers and a slight chance of thunderstorms in the morning, then
partly cloudy with a chance of showers and thunderstorms in the
afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots after midnight. Partly cloudy with a chance of showers
and thunderstorms. Waves 2 feet or less.
.THURSDAY...Northwest winds 15 to 20 knots. Mostly cloudy with a
chance of showers in the morning, then partly cloudy in the
afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots after midnight. Partly cloudy in the evening then
clearing. Waves 1 to 3 feet.

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

$$

LHZ421-161615-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
402 AM EDT Wed Jul 16 2025

.TODAY...Southwest winds 5 to 10 knots backing to the southeast
late in the afternoon. Sunny with a slight chance of showers in
the morning, then partly cloudy with a chance of thunderstorms
and a slight chance of showers in the afternoon. Waves 2 feet or
less.
.TONIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots after midnight. Partly cloudy with a chance of showers
and thunderstorms in the evening, then mostly cloudy with a
chance of showers and a slight chance of thunderstorms after
midnight. Waves 2 feet or less.
.THURSDAY...Northwest winds 15 to 20 knots. Mostly cloudy. A
chance of showers in the morning. Waves 1 to 3 feet building to
2 to 4 feet early in the afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. Partly cloudy in the evening then clearing.
Waves 3 to 5 feet. Waves occasionally around 7 feet. A Small Craft
Advisory may be needed.

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

$$

LHZ441-161615-
Port Austin to Harbor Beach MI-
402 AM EDT Wed Jul 16 2025

.TODAY...Southwest winds 5 to 10 knots backing to the southeast
in the afternoon. Sunny with a chance of showers in the morning,
then partly cloudy with a chance of showers and thunderstorms in
the afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Partly cloudy in the
evening becoming mostly cloudy. A chance of showers and
thunderstorms. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots in the late morning and afternoon. Mostly cloudy. A
chance of showers in the morning. Waves 1 to 3 feet building to
2 to 4 feet early in the afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots becoming northeast 10 to
15 knots after midnight. Mostly clear. Waves 3 to 5 feet. Waves
occasionally around 7 feet. A Small Craft Advisory may be needed.

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

$$

LHZ442-161615-
Harbor Beach to Port Sanilac MI-
402 AM EDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Sunny with a chance of
showers and a slight chance of thunderstorms in the morning, then
partly cloudy with a chance of showers and thunderstorms in the
afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Partly cloudy in the
evening becoming mostly cloudy. A chance of showers and
thunderstorms. Waves 2 feet or less.
.THURSDAY...Southwest winds 10 to 15 knots veering to the
northwest in the late morning and early afternoon, then
increasing to 15 to 20 knots early in the afternoon. Mostly
cloudy. A chance of showers and thunderstorms in the morning.
Waves 1 to 3 feet.
.THURSDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet.

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

$$

LHZ443-161615-
Port Sanilac to Port Huron MI-
402 AM EDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Mostly sunny with a slight
chance of showers and thunderstorms in the morning, then partly
cloudy with a chance of showers and thunderstorms in the
afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots. Partly cloudy. A chance of
showers and thunderstorms in the evening, then a slight chance of
showers and thunderstorms after midnight. Waves 2 feet or less.
.THURSDAY...West winds 10 to 15 knots becoming northwest 15 to
20 knots early in the afternoon. Partly cloudy in the morning
becoming mostly cloudy. Light showers likely and a chance of
thunderstorms. Waves 2 feet or less.
.THURSDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet.

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

$$

LEZ444-161615-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
402 AM EDT Wed Jul 16 2025

.TODAY...South winds 5 to 10 knots. Mostly cloudy with a chance
of showers and thunderstorms in the morning, then partly cloudy
with thunderstorms likely and a chance of showers in the
afternoon. Waves 2 feet or less.
.TONIGHT...South winds 5 to 10 knots becoming southwest 10 to
15 knots after midnight. Partly cloudy. A chance of thunderstorms
and a slight chance of showers in the evening, then a slight
chance of showers and thunderstorms after midnight. Waves 1 to
3 feet.
.THURSDAY...West winds 10 to 15 knots. Partly cloudy. Light
showers likely and a chance of thunderstorms in the afternoon.
Waves 1 to 3 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots veering to the
northeast in the late evening and overnight. Partly cloudy in the
evening becoming mostly cloudy. Waves 2 feet or less.

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

The water temperature at Belle Isle is 77 degrees.

$$

KGK

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