fzus53 kdtx 191941
nshdtx
expires:202603200400;;969005

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
341 pm edt thu mar 19 2026

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.


lhz441-200400-
port austin to harbor beach mi-
341 pm edt thu mar 19 2026

.tonight...light and variable winds becoming southeast 5 to
10 knots this evening, then increasing to 10 to 15 knots after
midnight increasing to 15 to 20 knots early in the morning.
partly cloudy in the evening, then mostly cloudy with light rain
likely after midnight. waves 2 feet or less building to 2 to
4 feet early in the morning. 
.friday...south winds 15 to 20 knots becoming west 10 to 15 knots
in the late morning and early afternoon, then veering to the
northwest early in the afternoon. mostly cloudy with light rain
likely early in the morning, then mostly cloudy with a slight
chance of light rain in the late morning and early afternoon.
partly cloudy early in the afternoon. waves 2 to 4 feet subsiding
to 1 to 3 feet in the late morning and afternoon. 
.friday night...north winds 10 to 15 knots becoming northwest
5 to 10 knots in the late evening and overnight. partly cloudy.
waves 1 to 3 feet. 
.saturday...west winds 5 to 10 knots backing to the southeast
early in the afternoon. mostly cloudy until late afternoon
becoming partly cloudy. waves 2 feet or less. 

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

$$