Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 220143
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
943 PM EDT Thu Mar 21 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.

LHZ422-221000-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
943 PM EDT Thu Mar 21 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots becoming
southeast 10 to 15 knots after midnight. Mostly clear. A chance
of light snow showers after midnight. Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots. Snow showers. Snow may
be heavy at times. Waves 1 to 3 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots becoming north 15 to
20 knots after midnight. Mostly cloudy. Light snow showers in the
evening. Waves 1 to 3 feet.
.SATURDAY...North winds 20 to 25 knots diminishing to 10 to 15 knots
early in the afternoon. Partly cloudy. Waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon. A Small Craft Advisory may be
needed.

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

$$

LHZ421-221000-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
943 PM EDT Thu Mar 21 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots becoming
southeast 10 to 15 knots after midnight. Mostly clear. A chance
of light snow showers after midnight. Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. A chance of snow showers in the
morning, then snow showers in the afternoon. Snow may be heavy at
times. Waves 1 to 3 feet building to 2 to 4 feet early in the
afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots becoming east 5 to
10 knots in the late evening and early morning, then becoming
north 10 to 15 knots after midnight. Mostly cloudy. Light snow
showers in the evening. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SATURDAY...North winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and early afternoon, then diminishing to 15 to 20
knots early in the afternoon. Partly cloudy. Waves 4 to 6 feet. Waves
occasionally around 8 feet. A Small Craft Advisory may be needed.

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

$$

LHZ441-221000-
Port Austin to Harbor Beach MI-
943 PM EDT Thu Mar 21 2024

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

.REST OF TONIGHT...East winds 5 to 10 knots veering to the
southeast early in the morning. Mostly clear. A chance of light
snow showers after midnight. Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Snow showers. Snow
may be heavy at times in the afternoon. Waves 1 to 3 feet
building to 3 to 5 feet in the late morning and afternoon. Waves
occasionally around 7 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots becoming east 5 to
10 knots in the late evening and early morning, then becoming
north 10 to 15 knots after midnight. Mostly cloudy. Light snow
showers in the evening. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SATURDAY...North winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and early afternoon, then
diminishing to 15 to 20 knots early in the afternoon. Partly
cloudy. Waves 2 to 4 feet building to 5 to 7 feet in the late
morning and afternoon. Waves occasionally around 10 feet.

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

$$

LHZ442-221000-
Harbor Beach to Port Sanilac MI-
943 PM EDT Thu Mar 21 2024

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

.REST OF TONIGHT...Southeast winds 5 to 10 knots increasing to
10 to 15 knots early in the morning. Mostly clear. A chance of
light snow showers after midnight. Waves 2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Snow showers. Waves
1 to 3 feet building to 3 to 5 feet in the late morning and
afternoon. Waves occasionally around 7 feet.
.FRIDAY NIGHT...East winds 10 to 15 knots backing to the north
after midnight. Mostly cloudy with a chance of light snow
showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.SATURDAY...North winds 15 to 20 knots. Mostly cloudy in the
morning becoming partly cloudy. Waves 2 to 4 feet building to
3 to 5 feet in the late morning and afternoon. Waves occasionally
around 7 feet.

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

$$

LHZ443-221000-
Port Sanilac to Port Huron MI-
943 PM EDT Thu Mar 21 2024

.REST OF TONIGHT...East winds 5 to 10 knots becoming southeast
10 to 15 knots after midnight. Clear this evening becoming partly
cloudy. A chance of light snow showers after midnight. Waves
2 feet or less.
.FRIDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Snow showers. Waves
1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon.
.FRIDAY NIGHT...East winds 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. Cloudy with
light snow showers likely. Waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight.
.SATURDAY...North winds 15 to 20 knots increasing to 20 to 25 knots
early in the afternoon. Mostly cloudy in the morning becoming partly
cloudy. Waves 3 to 5 feet building to 4 to 6 feet early in the
afternoon. Waves occasionally around 8 feet. A Small Craft Advisory
may be needed.

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

$$

LEZ444-221000-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
943 PM EDT Thu Mar 21 2024

.REST OF TONIGHT...Southeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight. Clear this evening becoming partly
cloudy. A slight chance of light snow showers after midnight.
Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. Mostly cloudy. A chance of light snow
showers in the morning, then a chance of showers and a slight
chance of light snow showers in the afternoon. Waves 1 to 3 feet
building to 2 to 4 feet early in the afternoon.
.FRIDAY NIGHT...Northeast winds 15 to 20 knots becoming north
10 to 15 knots in the late evening and overnight. Mostly cloudy.
Light showers and light snow showers likely in the evening. Waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.SATURDAY...North winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Mostly cloudy in the morning
becoming partly cloudy. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 38 degrees.

$$

TF

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a www.weather.gov/greatlakes


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