515
FZUS53 KDTX 132046
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
346 PM EST Thu Nov 13 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.

LHZ422-140500-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
346 PM EST Thu Nov 13 2025

.TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots
early in the morning. Clear in the evening becoming partly
cloudy. Waves 2 feet or less.
.FRIDAY...Southwest winds 5 to 10 knots early in the morning
becoming light and variable, then becoming east 5 to 10 knots
early in the afternoon. Partly cloudy until late afternoon then
clearing. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots becoming south
15 to 20 knots after midnight. Partly cloudy until early morning
becoming mostly cloudy. Waves 2 feet or less.
.SATURDAY...South winds 15 to 20 knots becoming west 20 to 25 knots
early in the afternoon. Mostly cloudy with a chance of light rain.
Waves 2 to 4 feet. A Small Craft Advisory may be needed.

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

$$

LHZ421-140500-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
346 PM EST Thu Nov 13 2025

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Clear in the evening becoming partly
cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.FRIDAY...West winds 5 to 10 knots early in the morning becoming
light and variable, then becoming east 5 to 10 knots early in the
afternoon. Partly cloudy until late afternoon then clearing.
Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots becoming south
15 to 20 knots after midnight. Partly cloudy until early morning
becoming mostly cloudy. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots becoming southwest 20 to 25
knots early in the afternoon. Mostly cloudy with a chance of light
rain. 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.

$$

LHZ441-140500-
Port Austin to Harbor Beach MI-
346 PM EST Thu Nov 13 2025

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.FRIDAY...West winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon, then backing to the east
early in the afternoon. Partly cloudy until late afternoon then
clearing. Waves 2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south
15 to 20 knots. Partly cloudy until early morning becoming mostly
cloudy. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots becoming southwest 20 to 25
knots early in the afternoon. Cloudy. A chance of light rain until
late afternoon, then light rain likely early in the afternoon. 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.

$$

LHZ442-140500-
Harbor Beach to Port Sanilac MI-
346 PM EST Thu Nov 13 2025

.TONIGHT...West winds 10 to 15 knots. Mostly clear. Waves 1 to
3 feet.
.FRIDAY...West winds 5 to 10 knots backing to the southeast early
in the afternoon. Mostly cloudy becoming partly cloudy in the
late morning and early afternoon becoming mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south
15 to 20 knots. Partly cloudy until early morning becoming mostly
cloudy. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots veering to the southwest early
in the afternoon. Cloudy. A chance of light rain until late
afternoon, then light rain likely early in the afternoon. 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.

$$

LHZ443-140500-
Port Sanilac to Port Huron MI-
346 PM EST Thu Nov 13 2025

.TONIGHT...West winds 10 to 15 knots. Mostly clear. Waves 2 feet
or less.
.FRIDAY...Southwest winds 5 to 10 knots backing to the southeast
early in the afternoon. Mostly cloudy becoming partly cloudy in
the late morning and early afternoon becoming mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming south
15 to 20 knots. Partly cloudy until early morning becoming mostly
cloudy. Waves 1 to 3 feet.
.SATURDAY...South winds 15 to 20 knots. Cloudy. A chance of light
rain early in the afternoon. Waves 2 to 4 feet.

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

$$

LEZ444-140500-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
346 PM EST Thu Nov 13 2025

.TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots
after midnight. Clear in the evening becoming mostly cloudy.
Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots. Partly cloudy early in the
morning becoming mostly sunny. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Partly cloudy until early morning
becoming mostly cloudy. Waves 2 feet or less.
.SATURDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and afternoon. Mostly cloudy. Waves
1 to 3 feet.

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

The water temperature at Belle Isle is 42 degrees.

$$

KDK

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