fzus63 kdtx 210913
glflh 
expires:202512211715;;962554

open lake forecast for lake huron
national weather service detroit/pontiac mi
413 am est sun dec 21 2025

for waters beyond five nautical miles off shore on lake huron

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.

.synopsis...low pressure, 29.30 inches, draws a pair of cold
fronts across the great lakes this evening. gale warnings are in
effect as gusty winds veer from southwest this evening to
northwest by sunday morning. high pressure, 30.50 inches, then
builds into the ohio valley daytime sunday.


lhz361-362-211715-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
413 am est sun dec 21 2025

...gale warning in effect until 7 am est this morning...

.today...west winds to 30 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots. waves 10 to 14 feet subsiding to
6 to 9 feet late in the afternoon. waves occasionally around
18 feet. 
.tonight...southwest winds 10 to 15 knots. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots. a chance of snow in the
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 
.monday night...south winds 10 to 15 knots. a chance of snow and
rain likely in the evening...then a chance of snow and rain after
midnight. waves 4 to 6 feet. waves occasionally around 8 feet. 
.tuesday...south winds 10 to 15 knots becoming west 15 to
20 knots late in the morning...then increasing to 20 to 25 knots
with gusts to around 30 knots late in the afternoon becoming
northwest 15 to 20 knots with gusts to around 30 knots late in
the evening. waves 5 to 7 feet building to 8 to 12 feet late in
the afternoon. waves occasionally around 15 feet. 
.wednesday...northwest winds 5 to 10 knots becoming south 10 to
15 knots early in the evening...then decreasing to 5 to 10 knots
by midnight. waves 3 to 5 feet subsiding to 1 to 3 feet in the
late morning and early afternoon...then building to 2 to 4 feet .
.thursday...southwest winds 5 to 10 knots becoming east 10 to
15 knots until early evening...then becoming southeast 15 to
20 knots by midnight. a chance of rain by midnight. waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and early
afternoon...then building to 2 to 4 feet . 


$$

fzus63 kdtx 210913
glflh 
expires:202512211715;;962555

open lake forecast for lake huron
national weather service detroit/pontiac mi
413 am est sun dec 21 2025

for waters beyond five nautical miles off shore on lake huron

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.

.synopsis...low pressure, 29.30 inches, draws a pair of cold
fronts across the great lakes this evening. gale warnings are in
effect as gusty winds veer from southwest this evening to
northwest by sunday morning. high pressure, 30.50 inches, then
builds into the ohio valley daytime sunday.


lhz363-462>464-211715-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
413 am est sun dec 21 2025

.today...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots late in the afternoon. waves 8 to
12 feet. waves occasionally around 15 feet. 
.tonight...west winds 10 to 15 knots becoming southwest 15 to
20 knots after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.monday...southwest winds 15 to 20 knots. a chance of snow in the
afternoon. waves 4 to 6 feet. waves occasionally around 8 feet. 
.monday night...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. snow and rain likely in the evening...
then snow likely and a chance of rain after midnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.tuesday...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots late in the afternoon. waves 4 to 6 feet building
to 8 to 12 feet late in the afternoon. waves occasionally around
15 feet. 
.wednesday...northwest winds 5 to 10 knots becoming south 10 to
15 knots . waves 3 to 5 feet. 
.thursday...south winds 5 to 10 knots backing to the east in the
late morning and early afternoon...then becoming southeast 10 to
15 knots . a chance of rain by midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet until early evening...then building to
2 to 4 feet by midnight. 


$$