National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS53 KDTX 131341
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
941 AM EDT Sat Apr 13 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.

LHZ422-132145-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
941 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds to 30 knots becoming west 20 to
25 knots in the afternoon. Sunny. Waves 4 to 6 feet subsiding to
2 to 4 feet late in the afternoon. Waves occasionally around
8 feet.
.TONIGHT...West winds 15 to 20 knots becoming south 10 to
15 knots in the late evening and overnight. Partly cloudy with a
chance of showers in the evening, then mostly cloudy with a
chance of showers and a slight chance of thunderstorms after
midnight. Waves 1 to 3 feet.
.SUNDAY...South winds 10 to 15 knots becoming west 15 to 20 knots
in the late morning and early afternoon, then veering to the
northwest early in the afternoon. Partly cloudy with a chance of
showers and a slight chance of thunderstorms in the morning, then
mostly sunny in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots becoming north
10 to 15 knots in the late evening and early morning, then
backing to the west after midnight. Clear. Waves 1 to 3 feet.

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

$$

LHZ421-132145-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
941 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds to 30 knots becoming west 15 to
20 knots in the afternoon. Sunny. Waves 5 to 7 feet subsiding to
3 to 5 feet late in the afternoon. Waves occasionally around
10 feet.
.TONIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then becoming
south 10 to 15 knots after midnight. Partly cloudy with a chance
of showers in the evening, then mostly cloudy with a chance of
showers and a slight chance of thunderstorms after midnight.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.SUNDAY...South winds 10 to 15 knots becoming west 15 to 20 knots
in the late morning and early afternoon, then veering to the
north early in the afternoon. Partly cloudy. A chance of showers
and a slight chance of thunderstorms in the morning. Waves 1 to
3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots backing to the
northwest after midnight. Clear. Waves 1 to 3 feet.

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

$$

LHZ441-132145-
Port Austin to Harbor Beach MI-
941 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 20 to 25 knots with gusts to
30 knots becoming west 15 to 20 knots in the afternoon. Sunny.
Waves 6 to 9 feet subsiding to 4 to 6 feet late in the afternoon.
Waves occasionally around 12 feet.
.TONIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then becoming
south 10 to 15 knots after midnight. Partly cloudy with a chance
of showers in the evening, then mostly cloudy with a chance of
showers and a slight chance of thunderstorms after midnight.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.SUNDAY...South winds 10 to 15 knots veering to the north early
in the afternoon. Partly cloudy. A chance of showers and a slight
chance of thunderstorms in the morning. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. Mostly clear.
Waves 1 to 3 feet.

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

$$

LHZ442-132145-
Harbor Beach to Port Sanilac MI-
941 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots with gusts to 30 knots in
the afternoon. Sunny. Waves 4 to 6 feet. Waves occasionally around
7 feet.
.TONIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then becoming
south 10 to 15 knots after midnight. Partly cloudy with a chance
of showers in the evening, then mostly cloudy with a chance of
showers and a slight chance of thunderstorms after midnight.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.
.SUNDAY...South winds 10 to 15 knots veering to the northwest
early in the afternoon. Partly cloudy. A chance of showers and a
slight chance of thunderstorms in the morning. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. Mostly clear.
Waves 1 to 3 feet.

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

$$

LHZ443-132145-
Port Sanilac to Port Huron MI-
941 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northwest winds 20 to 25 knots with gusts to
30 knots diminishing to 15 to 20 knots in the afternoon. Sunny.
Waves 3 to 5 feet. Waves occasionally around 7 feet.
.TONIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then becoming
south 10 to 15 knots after midnight. Partly cloudy. A slight
chance of showers in the evening, then a chance of showers and a
slight chance of thunderstorms after midnight. Waves 1 to 3 feet.
.SUNDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and early afternoon, then becoming
northwest 10 to 15 knots early in the afternoon. Partly cloudy. A
chance of showers and a slight chance of thunderstorms in the
morning. Waves 1 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots becoming northwest
5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet.

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

$$

LEZ444-132145-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
941 AM EDT Sat Apr 13 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...West winds 15 to 20 knots. Gusts to 30 knots
late in the morning. Sunny. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots becoming southwest 5 to
10 knots in the late evening and early morning, then becoming
south 10 to 15 knots after midnight. Mostly clear. A chance of
showers and a slight chance of thunderstorms after midnight.
Waves 2 feet or less.
.SUNDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots in the late morning and afternoon. Mostly sunny with a
slight chance of showers in the morning, then partly cloudy with
a chance of showers in the afternoon. Waves 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and overnight. Clear. Waves
2 feet or less.

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

The water temperature at Belle Isle is 49 degrees.

$$

AM

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