fzus53 kdtx 171438
nshdtx
expires:202511172245;;567078

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
938 am est mon nov 17 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.


lhz441-172245-
port austin to harbor beach mi-
938 am est mon nov 17 2025

...small craft advisory in effect until 4 pm est this afternoon...

.rest of today...northwest winds 20 to 25 knots diminishing to
15 to 20 knots in the afternoon. mostly cloudy. waves 5 to
7 feet. waves occasionally around 10 feet. 
.tonight...northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and overnight. partly cloudy. waves
3 to 5 feet. waves occasionally around 7 feet. 
.tuesday...northwest winds 5 to 10 knots until late afternoon
becoming light and variable. partly cloudy. waves 1 to 3 feet. 
.tuesday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. partly cloudy. waves
2 feet or less. 

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

$$