fzus53 kdtx 181938
nshdtx
expires:202509190345;;207292

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 pm 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.


lhz441-190345-
port austin to harbor beach mi-
338 pm edt thu sep 18 2025

.tonight...northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the morning. partly cloudy. waves 1 to 3 feet. 
.friday...northeast winds 10 to 15 knots. partly cloudy. waves
2 to 4 feet. 
.friday night...east winds 15 to 20 knots. mostly clear. waves
2 to 4 feet. 
.saturday...southeast winds 10 to 15 knots. mostly sunny until
late afternoon becoming partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 

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

$$