fzus53 kdtx 191342
nshdtx
expires:202604192145;;637283

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
942 am 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.


lhz441-192145-
port austin to harbor beach mi-
942 am edt sun apr 19 2026

...small craft advisory in effect from 2 pm edt this afternoon
through monday morning...

.rest of today...west winds 10 to 15 knots becoming north 15 to
20 knots with gusts to 25 knots late in the afternoon. mostly 
sunny late in the morning becoming partly cloudy. a chance of 
showers, light snow showers and a slight chance of thunderstorms 
in the afternoon. waves 2 to 4 feet. 
.tonight...northwest winds 15 to 20 knots. gusts to 30 knots
early in the evening. partly cloudy. a chance of light snow
showers early 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
southwest 5 to 10 knots early in the afternoon. partly cloudy
early in the morning becoming mostly sunny. 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. 

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

$$