516
FZUS53 KDTX 161937
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
337 PM EDT Fri May 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.

LHZ422-170345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
337 PM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...South winds 5 to 10 knots becoming southwest 15 to
20 knots. Partly cloudy in the evening becoming cloudy. Light
showers likely and a chance of thunderstorms. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 15 to 20 knots. Gusts to 30 knots
early in the afternoon. Mostly cloudy with a chance of showers
and a slight chance of thunderstorms. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Partly cloudy. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and afternoon. Partly cloudy. Waves
1 to 3 feet.

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

$$

LHZ421-170345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
337 PM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Partly cloudy with a chance of showers and
thunderstorms in the evening, then cloudy with showers likely and
a chance of thunderstorms after midnight. Waves 1 to 3 feet
building to 2 to 4 feet after midnight, then subsiding to 1 to
3 feet early in the morning.
.SATURDAY...Southwest winds 15 to 20 knots. Mostly cloudy. A
chance of showers in the morning, then a chance of showers and a
slight chance of thunderstorms in the afternoon. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Waves
2 to 4 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and afternoon. Mostly cloudy in the
morning becoming partly cloudy. Waves 2 to 4 feet.

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

$$

LHZ441-170345-
Port Austin to Harbor Beach MI-
337 PM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and early morning, then diminishing
to 10 to 15 knots early in the morning. Mostly clear in the
evening becoming cloudy. A chance of showers and thunderstorms.
Waves 1 to 3 feet building to 2 to 4 feet after midnight.
.SATURDAY...Southwest winds 15 to 20 knots. Mostly cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.SATURDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Partly cloudy. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and afternoon. Mostly cloudy in the
morning becoming partly cloudy. Waves 2 to 4 feet.

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

$$

LHZ442-170345-
Harbor Beach to Port Sanilac MI-
337 PM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late evening and early morning, then becoming
southwest 10 to 15 knots early in the morning. Partly cloudy in
the evening becoming cloudy. Light showers likely and a chance of
thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.SATURDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots in the late morning and afternoon. Mostly cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 3 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots. Partly cloudy. Waves
1 to 3 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and afternoon. Mostly cloudy in the
morning becoming partly cloudy. Waves 1 to 3 feet.

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

$$

LHZ443-170345-
Port Sanilac to Port Huron MI-
337 PM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...South winds 10 to 15 knots veering to the southwest
early in the morning. Partly cloudy in the evening becoming
mostly cloudy. Light showers likely and a chance of
thunderstorms. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots with gusts to 30 knots in the late morning and
afternoon. Mostly cloudy with a chance of showers and a slight
chance of thunderstorms. Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots. Gusts to 30 knots
early in the evening. Partly cloudy. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to
15 knots in the late morning and afternoon. Mostly cloudy in the
morning becoming partly cloudy. Waves 1 to 3 feet.

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

$$

LEZ444-170345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
337 PM EDT Fri May 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.TONIGHT...South winds 10 to 15 knots becoming southwest 15 to
20 knots after midnight. Mostly cloudy. A chance of showers and
thunderstorms in the evening, then a chance of thunderstorms and
a slight chance of showers after midnight. Waves 1 to 3 feet.
.SATURDAY...West winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 30 knots early in the
afternoon. Partly cloudy with a slight chance of showers in the
morning, then mostly cloudy with a slight chance of showers and
thunderstorms in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet in the late morning and afternoon.
.SATURDAY NIGHT...West winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots in the late evening and
overnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SUNDAY...West winds 15 to 20 knots becoming northwest 10 to
15 knots in the late morning and afternoon. Mostly sunny in the
morning becoming 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 61 degrees.

$$

KDK

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