National Weather Service Marine Forecast FZUS53 KDTX
FZUS53 KDTX 170750
NSHDTX
Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
350 AM EDT Fri Apr 17 2026
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.
LHZ422-171600
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
350 AM EDT Fri Apr 17 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING
TODAY
Light and variable winds becoming east 5 to 10 knots in
the afternoon. Partly cloudy. Widespread dense fog in the
morning. Waves 2 feet or less.
TONIGHT
Southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. Partly cloudy until early morning, then showers and a
chance of thunderstorms after midnight. Waves 1 to 3 feet
building to 3 to 5 feet in the late evening and overnight. Waves
occasionally around 7 feet.
SATURDAY
South winds 20 to 25 knots with gusts to 30 knots
veering to the west with gusts to 30 knots in the late morning
and afternoon. Becoming partly cloudy early in the afternoon.
Rain showers and a chance of thunderstorms early in the morning,
then showers likely in the late morning and early afternoon. A
chance of showers early in the afternoon. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
SATURDAY NIGHT
West winds 20 to 25 knots diminishing to 15 to
20 knots after midnight. Partly cloudy. A chance of showers early
in the evening. Waves 2 to 4 feet.
See Lake Huron Open Lake Forecast for days 3 through 5.
LHZ421-171600
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay
350 AM EDT Fri Apr 17 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY EVENING
TODAY
Light and variable winds becoming east 10 to 15 knots.
Partly cloudy. Widespread dense fog in the morning. Waves 2 feet
or less.
TONIGHT
Southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. Partly cloudy until early morning, then mostly cloudy
with showers likely and a chance of thunderstorms after midnight.
Waves 1 to 3 feet building to 3 to 5 feet in the late evening and
overnight. Waves occasionally around 7 feet.
SATURDAY
Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 15 to 20 knots early in the afternoon. Becoming
partly cloudy early in the afternoon. Rain showers early in the
morning, then showers likely in the late morning and early
afternoon. A chance of showers early in the afternoon. Waves 3 to
5 feet. Waves occasionally around 6 feet.
SATURDAY NIGHT
West winds 15 to 20 knots. Partly cloudy. A
chance of showers early in the evening. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
See Lake Huron Open Lake Forecast for days 3 through 5.
LHZ441-171600
Port Austin to Harbor Beach MI
350 AM EDT Fri Apr 17 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON
TODAY
Light and variable winds becoming southeast 10 to
15 knots. Mostly cloudy in the morning becoming partly cloudy.
Widespread dense fog in the morning. Waves 2 feet or less.
TONIGHT
Southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to 30 knots in the late evening and
overnight. Partly cloudy until early morning, then mostly cloudy
with a chance of showers and thunderstorms after midnight. Waves
1 to 3 feet building to 3 to 5 feet in the late evening and
overnight. Waves occasionally around 7 feet.
SATURDAY
South winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and afternoon. Becoming partly
cloudy early in the afternoon. A chance of thunderstorms early in
the morning. Rain showers until late afternoon, then a chance of
showers early in the afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
SATURDAY NIGHT
Northwest winds 15 to 20 knots. Partly cloudy.
A chance of showers early in the evening. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
See Lake Huron Open Lake Forecast for days 3 through 5.
LHZ442-171600
Harbor Beach to Port Sanilac MI
350 AM EDT Fri Apr 17 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON
TODAY
Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Mostly cloudy in the morning becoming
partly cloudy. Widespread dense fog in the morning. Waves 2 feet
or less.
TONIGHT
Southeast winds 10 to 15 knots becoming south 20 to
25 knots. Partly cloudy until early morning, then mostly cloudy
with a chance of showers and thunderstorms after midnight. Waves
2 feet or less building to 3 to 5 feet in the late evening and
overnight. Waves occasionally around 7 feet.
SATURDAY
South winds 20 to 25 knots with gusts to 30 knots
becoming southwest 15 to 20 knots in the late morning and early
afternoon, then veering to the west early in the afternoon. A
chance of thunderstorms early in the morning. Rain showers until
late afternoon, then a chance of showers early in the afternoon.
Waves 3 to 5 feet. Waves occasionally around 6 feet.
SATURDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Partly cloudy. A chance of showers early
in the evening. Waves 1 to 3 feet.
See Lake Huron Open Lake Forecast for days 3 through 5.
LHZ443-171600
Port Sanilac to Port Huron MI
350 AM EDT Fri Apr 17 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON
TODAY
Northeast winds 5 to 10 knots early in the morning
becoming light and variable, then becoming southeast 5 to
10 knots late in the afternoon. Mostly cloudy in the morning
becoming partly cloudy. Widespread dense fog in the morning.
Waves 2 feet or less.
TONIGHT
Southeast winds 10 to 15 knots becoming south 20 to
25 knots. Partly cloudy until early morning, then mostly cloudy
with showers likely and a chance of thunderstorms after midnight.
Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves
occasionally around 7 feet.
SATURDAY
South winds 20 to 25 knots becoming west 15 to
20 knots early in the afternoon. A chance of thunderstorms early
in the morning. Rain showers until late afternoon, then a chance
of showers early in the afternoon. Waves 3 to 5 feet. Waves
occasionally around 7 feet.
SATURDAY NIGHT
West winds 15 to 20 knots. Partly cloudy. A
chance of showers early in the evening. Waves 1 to 3 feet.
See Lake Huron Open Lake Forecast for days 3 through 5.
LEZ444-171600
Michigan Waters of Lake Erie from Detroit River to North Cape MI
350 AM EDT Fri Apr 17 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
TODAY
Light and variable winds becoming east 5 to 10 knots in
the afternoon. Partly cloudy. Areas of dense fog in the morning.
Waves 2 feet or less.
TONIGHT
Southeast winds 10 to 15 knots becoming south 15 to
20 knots after midnight. Partly cloudy early in the evening, then
a slight chance of showers and thunderstorms in the late evening
and early morning. Rain showers and a chance of thunderstorms
after midnight. Waves 1 to 3 feet.
SATURDAY
Southwest winds 15 to 20 knots veering to the west
early in the afternoon. Rain showers and a chance of
thunderstorms until late afternoon, then a chance of showers
early in the afternoon. Waves 2 to 4 feet.
SATURDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to
15 knots after midnight. Mostly cloudy early in the evening
becoming partly cloudy. A chance of showers early in the evening.
Waves 1 to 3 feet.
See Lake Erie Open Lake Forecast for days 3 through 5.
The water temperature at Belle Isle is 51 degrees.
MV
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