fzus53 kdtx 192048
nshdtx
expires:202512200500;;877347

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
348 pm est fri dec 19 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.


lhz441-200500-
port austin to harbor beach mi-
348 pm est fri dec 19 2025

...gale warning in effect until 7 pm est this evening...

.tonight...northwest winds to 30 knots with gusts to 35 knot
gales becoming west 20 to 25 knots this evening, then diminishing
to 10 to 15 knots after midnight becoming south 15 to 20 knots
early in the morning. mostly cloudy with scattered snow showers.
waves 8 to 12 feet subsiding to 2 to 4 feet. waves occasionally
around 15 feet. 
.saturday...south winds 20 to 25 knots becoming southwest to
30 knots early in the afternoon. gusts to 35 knot gales. mostly
cloudy until late afternoon becoming partly cloudy. a slight
chance of light snow early in the morning, then a chance of light
snow in the late morning and afternoon. a chance of light rain
early in the afternoon. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.saturday night...southwest winds to 30 knots becoming west gales
to 35 knot gales in the late evening and overnight. gusts to
40 knot gales. mostly clear until early morning becoming mostly
cloudy. waves 8 to 12 feet. waves occasionally around 15 feet. 
.sunday...west winds to 30 knots diminishing to 15 to 20 knots.
mostly cloudy. freezing spray until late afternoon. waves 6 to
9 feet subsiding to 4 to 6 feet early in the afternoon. waves
occasionally around 12 feet. 

wave heights are for ice free areas.

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

$$