National Weather Service Weather Forecast Office

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

000
FZUS53 KDTX 120140
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
940 PM EDT Thu Apr 11 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.

LHZ422-120945-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
940 PM EDT Thu Apr 11 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY
MORNING...

.REST OF TONIGHT...North winds to 30 knots becoming northwest
20 to 25 knots after midnight. Rain showers. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.FRIDAY...Northwest winds to 30 knots increasing to 35 knot gales
early in the afternoon. Gusts to 40 knot gales. Rain showers.
Waves 4 to 6 feet. Waves occasionally around 8 feet.
.FRIDAY NIGHT...Northwest gales to 35 knot gales with gusts to
45 knot gales diminishing to 30 knots with gusts to 35 knot gales
after midnight. Mostly cloudy with showers likely in the evening,
then partly cloudy after midnight. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.SATURDAY...Northwest winds to 30 knots with gusts to 35 knot
gales becoming west 20 to 25 knots early in the afternoon. Sunny.
Waves 3 to 5 feet. Waves occasionally around 7 feet.

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

$$

LHZ421-120945-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
940 PM EDT Thu Apr 11 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY...
...GALE WARNING IN EFFECT FROM 6 AM EDT FRIDAY THROUGH SATURDAY
MORNING...

.REST OF TONIGHT...North winds to 30 knots becoming northwest
20 to 25 knots after midnight. Gusts to 35 knot gales. Rain
showers. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.FRIDAY...Northwest winds 20 to 25 knots with gusts to 30 knots
increasing to 35 knot gales with gusts to 40 knot gales. Rain
showers. Waves 6 to 9 feet. Waves occasionally around 12 feet.
.FRIDAY NIGHT...Northwest gales to 35 knot gales diminishing to
30 knots in the late evening and overnight. Gusts to 40 knot
gales. Mostly cloudy in the evening becoming partly cloudy. A
chance of showers. Waves 8 to 12 feet. Waves occasionally around
15 feet.
.SATURDAY...Northwest winds to 30 knots with gusts to 35 knot
gales becoming west 20 to 25 knots early in the afternoon. Mostly
sunny. Waves 6 to 9 feet subsiding to 4 to 6 feet early in the
afternoon. Waves occasionally around 12 feet.

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

$$

LHZ441-120945-
Port Austin to Harbor Beach MI-
940 PM EDT Thu Apr 11 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY...
...GALE WARNING IN EFFECT FROM 6 AM EDT FRIDAY THROUGH SATURDAY
MORNING...

.REST OF TONIGHT...North winds 15 to 20 knots becoming northwest
20 to 25 knots with gusts to 35 knot gales after midnight. Rain
showers and a slight chance of thunderstorms this evening, then
showers after midnight. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.FRIDAY...Northwest winds 20 to 25 knots increasing to 30 knots
early in the afternoon. Gusts to 40 knot gales. Rain showers.
Waves 6 to 9 feet building to 8 to 12 feet early in the
afternoon. Waves occasionally around 15 feet.
.FRIDAY NIGHT...Northwest gales to 35 knot gales with gusts to
45 knot gales diminishing to 20 to 25 knots with gusts to 35 knot
gales. Mostly cloudy with showers in the evening, then partly
cloudy after midnight. Waves 8 to 12 feet. Waves occasionally
around 15 feet.
.SATURDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales becoming west 15 to 20 knots early in the afternoon. Partly
cloudy in the morning then clearing. Waves 6 to 9 feet subsiding
to 4 to 6 feet early in the afternoon. Waves occasionally around
12 feet.

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

$$

LHZ442-120945-
Harbor Beach to Port Sanilac MI-
940 PM EDT Thu Apr 11 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY
MORNING...

.REST OF TONIGHT...North winds 10 to 15 knots becoming northwest
15 to 20 knots with gusts to 30 knots after midnight. Rain
showers and a slight chance of thunderstorms. Waves 2 to 4 feet
building to 3 to 5 feet after midnight. Waves occasionally around
7 feet.
.FRIDAY...Northwest winds 20 to 25 knots increasing to 30 knots
early in the afternoon. Gusts to 40 knot gales. Rain showers.
Waves 4 to 6 feet building to 6 to 9 feet early in the afternoon.
Waves occasionally around 12 feet.
.FRIDAY NIGHT...Northwest gales to 35 knot gales with gusts to
45 knot gales diminishing to 30 knots with gusts to 40 knot gales
in the late evening and overnight. Mostly cloudy with showers in
the evening, then partly cloudy after midnight. Waves 6 to
9 feet. Waves occasionally around 12 feet.
.SATURDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales diminishing to 15 to 20 knots early in the afternoon.
Partly cloudy in the morning then clearing. Waves 4 to 6 feet.
Waves occasionally around 7 feet.

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

$$

LHZ443-120945-
Port Sanilac to Port Huron MI-
940 PM EDT Thu Apr 11 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY
MORNING...

.REST OF TONIGHT...North winds 10 to 15 knots becoming northwest
15 to 20 knots after midnight. Rain showers and a slight chance
of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet early
in the morning.
.FRIDAY...West winds 20 to 25 knots with gusts to 30 knots
becoming northwest to 30 knots with gusts to 40 knot gales early
in the afternoon. Rain showers. Waves 2 to 4 feet building to
5 to 7 feet early in the afternoon. Waves occasionally around
10 feet.
.FRIDAY NIGHT...Northwest gales to 35 knot gales diminishing to
30 knots in the late evening and overnight. Gusts to 40 knot
gales. Mostly cloudy. Rain showers in the evening. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.SATURDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales diminishing to 15 to 20 knots early in the afternoon.
Mostly sunny. Waves 3 to 5 feet. Waves occasionally around
7 feet.

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

$$

LEZ444-120945-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
940 PM EDT Thu Apr 11 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...
...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY
NIGHT...

.REST OF TONIGHT...West winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 30 knots after midnight. Rain showers and
a slight chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...West winds 20 to 25 knots. Gusts to 35 knot gales
increasing to Gusts to 40 knot gales early in the afternoon. Rain
showers. Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 20 to 25 knots. Gusts to 40 knot
gales diminishing to Gusts to 30 knots in the late evening and
overnight. Mostly cloudy with showers likely in the evening, then
partly cloudy after midnight. Waves 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots. Gusts to 30 knots early in
the morning. Sunny. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 48 degrees.

$$

KDK

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