fzus53 kdtx 191934
nshdtx
expires:202604200400;;652596

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
334 pm edt sun apr 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-
334 pm edt sun apr 19 2026

...small craft advisory in effect through monday morning...

.tonight...north winds 15 to 20 knots with gusts to 30 knots
becoming northwest 20 to 25 knots with gusts to 30 knots this
evening, then diminishing to 15 to 20 knots after midnight.
partly cloudy. a chance of light snow showers in the evening.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and early afternoon, then becoming
northeast 5 to 10 knots early in the afternoon. partly cloudy
until late afternoon then clearing. waves 3 to 5 feet subsiding
to 1 to 3 feet early in the afternoon. waves occasionally around
7 feet. 
.monday night...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. partly cloudy until early morning
becoming mostly cloudy. waves 1 to 3 feet building to 2 to 4 feet
after midnight. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. partly cloudy until late
afternoon then clearing. waves 2 to 4 feet. 

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

$$