fzus53 kdtx 290741
nshdtx
expires:202508291545;;523515

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
341 am edt fri aug 29 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.


lhz441-291545-
port austin to harbor beach mi-
341 am edt fri aug 29 2025

...small craft advisory in effect until 10 am edt this morning...

.today...north winds 10 to 15 knots. partly cloudy. a slight
chance of waterspouts in the morning. scattered sprinkles. waves
2 to 4 feet. waves occasionally around 5 feet. 
.tonight...north winds 5 to 10 knots backing to the northwest
after midnight. clear. scattered sprinkles early in the evening.
waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.saturday night...light and variable winds. mostly clear. waves
2 feet or less. 

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

$$