fzus53 kdtx 180736
nshdtx
expires:202509181545;;178884

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 am edt thu sep 18 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.


lhz441-181545-
port austin to harbor beach mi-
336 am edt thu sep 18 2025

.today...northwest winds 5 to 10 knots veering to the north early
in the afternoon, then increasing to 10 to 15 knots late in the
afternoon. mostly sunny in the morning becoming partly cloudy.
waves 2 feet or less. 
.tonight...northeast winds 10 to 15 knots diminishing to 5 to
10 knots in the late evening and early morning, then increasing
to 10 to 15 knots after midnight. partly cloudy. waves 1 to
3 feet. 
.friday...northeast winds 10 to 15 knots. mostly cloudy becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. waves 2 to 4 feet. 
.friday night...east winds 15 to 20 knots. mostly clear. waves
2 to 4 feet. 

see lake huron open lake forecast for days 3 through 5.

$$