fzus53 kdtx 190227
nshdtx
expires:202512191030;;832937

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
927 pm est thu dec 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.


lhz441-191030-
port austin to harbor beach mi-
927 pm est thu dec 18 2025

...gale warning in effect through friday evening...

.rest of tonight...southwest winds 20 to 25 knots with gusts to
30 knots. light showers this evening, then numerous light rain
and snow showers after midnight. waves 6 to 9 feet subsiding to
4 to 6 feet after midnight. waves occasionally around 12 feet. 
.friday...west winds to 30 knots increasing to 35 knot gales in
the late morning and afternoon. gusts to 40 knot gales. mostly
cloudy. numerous light snow showers early in the morning, then
scattered light snow showers in the late morning and early
afternoon. isolated light snow showers early in the afternoon.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.friday night...northwest winds to 30 knots with gusts to 35 knot
gales becoming west 15 to 20 knots in the late evening and early
morning, then backing to the southwest after midnight. mostly
cloudy. freezing spray until early morning. waves 8 to 12 feet
subsiding to 3 to 5 feet after midnight. waves occasionally
around 15 feet. 
.saturday...south winds 20 to 25 knots. gusts to 30 knots in the
late morning and afternoon. mostly cloudy. a chance of light snow
early in the afternoon. waves 4 to 6 feet. waves occasionally
around 8 feet. 

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

$$