fzus53 kdtx 310736
nshdtx
expires:202510311545;;601542

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 am edt fri oct 31 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.


lhz441-311545-
port austin to harbor beach mi-
336 am edt fri oct 31 2025

...small craft advisory in effect through late tonight...

.today...northwest winds 20 to 25 knots. mostly cloudy. waves
6 to 9 feet. waves occasionally around 12 feet. 
.tonight...northwest winds 20 to 25 knots diminishing to 10 to
15 knots. mostly cloudy with a slight chance of showers. waves
5 to 7 feet. waves occasionally around 10 feet. 
.saturday...northwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.saturday night...north winds 5 to 10 knots. partly cloudy. waves
2 feet or less. 

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

$$