fzus63 kdtx 220142
glflh 
expires:202605220945;;429849

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm edt thu may 21 2026

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...high pressure, 30.40 inches, will continue to slowly
shift eastward away from the great lakes region through friday. a
low pressure system will track from the mid-mississippi valley
northward into saturday as northeast winds veer east. this will
bring the next chance for showers and thunderstorms to the area
late friday into saturday.


lhz362-363-220945-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
942 pm edt thu may 21 2026

.rest of tonight...northeast winds 5 to 10 knots becoming east
10 to 15 knots early in the morning. waves 1 to 3 feet. 
.friday...east winds 10 to 15 knots becoming northeast 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. 
.friday night...east winds 15 to 20 knots. a chance of showers
after midnight. waves 4 to 6 feet. waves occasionally around
8 feet. 
.saturday...east winds 20 to 25 knots. gusts to 30 knots in the
late morning and afternoon. showers likely. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.saturday night...east winds 20 to 25 knots with gusts to around
30 knots becoming northeast 10 to 15 knots. showers likely in the
evening. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday...east winds 5 to 10 knots veering to the southeast late
in the morning...then becoming light and variable late in the
evening. waves 3 to 5 feet subsiding to 2 feet or less late in
the afternoon. 
.monday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots backing to the southeast .
waves 2 feet or less. 


$$

fzus63 kdtx 220142
glflh 
expires:202605220945;;429850

open lake forecast for lake huron
national weather service detroit/pontiac mi
942 pm edt thu may 21 2026

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...high pressure, 30.40 inches, will continue to slowly
shift eastward away from the great lakes region through friday. a
low pressure system will track from the mid-mississippi valley
northward into saturday as northeast winds veer east. this will
bring the next chance for showers and thunderstorms to the area
late friday into saturday.


lhz462>464-220945-
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-
942 pm edt thu may 21 2026

.rest of tonight...northeast winds 10 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet early in the morning. 
.friday...northeast winds 10 to 15 knots. waves 2 to 4 feet. 
.friday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots in the late evening and overnight. a chance of
showers after midnight. waves 3 to 5 feet. 
.saturday...east winds 15 to 20 knots increasing to 20 to
25 knots in the late morning and afternoon. gusts to 30 knots.
showers likely in the morning...then showers in the afternoon.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.saturday night...east winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. showers in the evening.
waves 4 to 6 feet. 
.sunday...south winds 5 to 10 knots backing to the north late in
the afternoon...then becoming light and variable late in the
evening. waves 2 to 4 feet subsiding to 2 feet or less. waves
occasionally around 8 feet. 
.monday...light and variable winds becoming east 5 to 10 knots
until early evening...then becoming light and variable by
midnight. waves 2 feet or less. 
.tuesday...light and variable winds becoming southeast 5 to
10 knots early in the evening...then becoming light and variable
by midnight. waves 2 feet or less. 


$$