fzus53 kdtx 181940
nshdtx
expires:202507190400;;670704

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
340 pm edt fri jul 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.


lhz441-190400-
port austin to harbor beach mi-
340 pm edt fri jul 18 2025

.tonight...southeast winds 5 to 10 knots becoming south 10 to
15 knots in the late evening and overnight. mostly clear. waves
2 feet or less. 
.saturday...south winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon. partly cloudy until late
afternoon becoming mostly cloudy. a slight chance of showers in
the late morning and early afternoon. showers likely and a chance
of thunderstorms early in the afternoon. waves 2 feet or less. 
.saturday night...west winds 5 to 10 knots becoming north 10 to
15 knots in the late evening and overnight. mostly cloudy.
showers likely and a chance of thunderstorms early in the
evening, then a chance of showers and thunderstorms in the late
evening and early morning. waves 1 to 3 feet. 
.sunday...north winds 10 to 15 knots diminishing to 5 to 10 knots
early in the afternoon. partly cloudy early in the morning then
clearing. waves 1 to 3 feet. 

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

$$