fzus63 kdtx 130137
glfsc 
expires:202603130945;;574063

lake st clair forecast
national weather service detroit/pontiac mi
937 pm edt thu mar 12 2026

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...a strong low pressure system, 29.10 inches, moves over
northern lower michigan and central lake huron friday morning. 
this will bring widespread gales to the great lakes. a gale 
warning is in effect. the low quickly moves out friday night with 
high pressure, 30.20 inches, briefly building back in on saturday.
a second strong low pressure system, 28.80 inches, moves across 
southern michigan and lake huron late sunday into monday. this 
brings additional potential for gust to gales.


lcz460-130945-
lake st clair-
937 pm edt thu mar 12 2026

...gale warning in effect from 4 am edt friday through late
friday night...

.rest of tonight...south winds 5 to 10 knots becoming southeast 15
to 20 knots with gusts to 30 knots early in the morning. partly
cloudy by midnight...then mostly cloudy with a chance of light snow
early in the morning. waves 2 feet or less.
.friday...south winds to 30 knots becoming southwest 20 to 25 knots
early in the afternoon...then becoming west to 30 knots late in the
afternoon. gusts to 45 knot gales. light rain and snow in the
morning...then a chance of light rain and snow in the afternoon.
waves 2 to 4 feet.
.friday night...west winds to 30 knots with gusts to 45 knot gales
becoming northwest 20 to 25 knots with gusts to 30 knots after
midnight. partly cloudy. a chance of light snow early in the
evening. waves 2 to 4 feet.
.saturday...northwest winds 15 to 20 knots diminishing to 5 to 10
knots in the late morning and early afternoon...then backing to the
southwest early in the afternoon. partly sunny. waves 2 feet or
less.
.saturday night...southeast winds 5 to 10 knots becoming east 15 to
20 knots. mostly cloudy. a chance of light snow ...then snow likely
after midnight. waves 2 feet or less.
.sunday...east winds 15 to 20 knots becoming southeast 20 to 25
knots with gusts to 30 knots in the afternoon...then becoming south
to 30 knots with gusts to 35 knot gales in the evening. cloudy.
light rain and snow likely. waves 2 to 4 feet building to 3 to 5
feet in the evening. waves occasionally around 7 feet.  a gale
warning may be needed.
.monday...west at 35 knot gales with gusts to 40 knot gales. light
rain with light snow likely. waves 4 to 6 feet. waves occasionally
around 8 feet.
.tuesday...west winds to 30 knots with gusts to 35 knot gales.
mostly cloudy. waves 2 to 4 feet.

$$

fzus63 kdtx 130137
glflh 
expires:202603130945;;574060

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 pm edt thu mar 12 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...a strong low pressure system, 29.10 inches, moves over
northern lower michigan and central lake huron friday morning. 
this will bring widespread gales to the great lakes. a gale 
warning is in effect. the low quickly moves out friday night with 
high pressure, 30.20 inches, briefly building back in on saturday.
a second strong low pressure system, 28.80 inches, moves across 
southern michigan and lake huron late sunday into monday. this 
brings additional potential for gust to gales.


lhz462>464-130945-
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-
937 pm edt thu mar 12 2026

...gale warning in effect from 4 am edt friday through late
friday night...

.rest of tonight...southeast winds 5 to 10 knots increasing to
10 to 15 knots with gusts to around 30 knots early in the
morning. a chance of snow after midnight. snow may be heavy at
times after midnight. waves 1 to 3 feet building to 2 to 4 feet
early in the morning. 
.friday...southeast winds 20 to 25 knots increasing to 30 knots
late in the morning...then becoming south 20 to 25 knots in the
afternoon. gusts to 40 knot gales. snow and rain in the morning...
then rain likely in the afternoon. waves 8 to 12 feet building to
10 to 14 feet early in the afternoon...then subsiding to 6 to
9 feet late in the afternoon. waves occasionally around 18 feet. 
.friday night...west winds 20 to 25 knots becoming northwest to
30 knots in the late evening and overnight. gusts to 40 knot
gales. a chance of rain and snow in the evening. waves 6 to
9 feet building to 10 to 14 feet in the late evening and
overnight. waves occasionally around 18 feet. 
.saturday...northwest winds 20 to 25 knots decreasing to 5 to
10 knots. waves 8 to 12 feet subsiding to 3 to 5 feet early in
the afternoon. waves occasionally around 15 feet. 
.saturday night...north winds 5 to 10 knots veering to the east
by midnight...then becoming southeast 10 to 15 knots after
midnight. a chance of snow after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet by midnight...then building to 2 to
4 feet after midnight. 
.sunday...east winds 15 to 20 knots with gusts to around 30 knots
increasing to 20 to 25 knots with gusts to around 30 knots late
in the morning...then increasing to 30 knots with gusts to
40 knot gales late in the afternoon becoming south at 35 knot
gales with gusts to 40 knot gales late in the evening. snow in
the morning. rain. waves 6 to 9 feet building to 10 to 14 feet
late in the afternoon. waves occasionally around 18 feet. a gale
warning may be needed. 
.monday...south at 35 knot gales veering to the west . gusts to
40 knot gales. rain with snow and freezing rain likely early in
the morning...then a chance of snow and rain . waves 12 to
16 feet. waves occasionally around 20 feet. 
.tuesday...west at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. waves 10 to 14 feet subsiding to
5 to 7 feet by midnight. waves occasionally around 18 feet. 


$$