188
FZUS53 KDTX 200157
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
957 PM EDT Sat Apr 19 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.

LHZ422-201000-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
957 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...Northwest winds 10 to 15 knots becoming north
5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots increasing to 15 to
20 knots. Mostly sunny. Waves 2 feet or less.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots becoming east
10 to 15 knots in the late evening and early morning, then
increasing to 15 to 20 knots after midnight. Mostly cloudy with a
slight chance of light rain. Waves 1 to 3 feet.
.MONDAY...Southeast winds 20 to 25 knots becoming southwest to 30
knots early in the afternoon. Becoming partly cloudy in the
afternoon. 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.

$$

LHZ421-201000-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
957 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...Northwest winds 5 to 10 knots becoming north
10 to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 10 knots increasing to 15 to
20 knots. Mostly sunny. Waves 1 to 3 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and early morning, then increasing
to 15 to 20 knots after midnight. Mostly cloudy. A slight chance
of light rain in the evening, then light rain likely after
midnight. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.
.MONDAY...Southeast winds 20 to 25 knots with gusts to 30 knots
becoming southwest to 30 knots early in the afternoon. Becoming
partly cloudy in the afternoon. Light rain. 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.

$$

LHZ441-201000-
Port Austin to Harbor Beach MI-
957 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. Mostly sunny in the morning
becoming partly cloudy. Waves 1 to 3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots becoming southeast
15 to 20 knots after midnight. Mostly cloudy. A chance of light
rain after midnight. Waves 1 to 3 feet.
.MONDAY...Southeast winds 20 to 25 knots veering to the south with
gusts to 30 knots early in the afternoon. Becoming partly cloudy in
the afternoon. Light rain. Waves 4 to 6 feet. Waves occasionally
around 7 feet. A Small Craft Advisory may be needed.

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

$$

LHZ442-201000-
Harbor Beach to Port Sanilac MI-
957 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 1 to
3 feet.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast
15 to 20 knots after midnight. Mostly cloudy. A chance of light
rain after midnight. Waves 2 feet or less building to 2 to 4 feet
after midnight.
.MONDAY...Southeast winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots in the late morning and early
afternoon, then becoming south 20 to 25 knots early in the afternoon.
Becoming partly cloudy in the afternoon. Light rain. Waves 4 to 6
feet. Waves occasionally around 7 feet. A Small Craft Advisory may be
needed.

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

$$

LHZ443-201000-
Port Sanilac to Port Huron MI-
957 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...North winds 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.
.SUNDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 1 to
3 feet.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast
15 to 20 knots after midnight. Mostly cloudy. A chance of light
rain after midnight. Waves 2 feet or less building to 2 to 4 feet
after midnight.
.MONDAY...Southeast winds 15 to 20 knots becoming south 20 to 25
knots in the late morning and afternoon. Becoming partly cloudy in
the afternoon. Light rain. 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.

$$

LEZ444-201000-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
957 PM EDT Sat Apr 19 2025

.REST OF TONIGHT...Northwest winds 5 to 10 knots becoming
northeast 10 to 15 knots early in the morning. Partly cloudy.
Waves 2 feet or less.
.SUNDAY...East winds 10 to 15 knots. Partly cloudy. Waves 1 to
3 feet.
.SUNDAY NIGHT...East winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and early morning, then diminishing
to 10 to 15 knots after midnight. Mostly cloudy. A chance of
light rain after midnight. Waves 2 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots becoming south 15 to 20
knots in the late morning and early afternoon, then becoming
southwest 20 to 25 knots with gusts to 30 knots early in the
afternoon. Light rain in the morning, then partly cloudy in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. A Small Craft Advisory may be needed.

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

The water temperature at Belle Isle is 49 degrees.

$$

KGK

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