fzus63 kdtx 182054
glfsc 
expires:202512190500;;818036

lake st clair forecast
national weather service detroit/pontiac mi
354 pm est thu dec 18 2025

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, 29.10 inches, tracks over lake superior
this evening which drags a strong cold front across the great
lakes. southerly winds shift sharply to the west-northwest with
the cold frontal passage between 01z and 05z this evening. snow
squalls and northwest gales persist friday.


lcz460-190500-
lake st clair-
354 pm est thu dec 18 2025

...small craft advisory in effect through friday evening...

.tonight...south winds 20 to 25 knots with gusts to 30 knots becoming
west 10 to 15 knots after midnight...then increasing to 15 to 20 
knots early in the morning. rain until early morning. light snow 
likely after midnight...then a chance of light snow early in the 
morning. waves 2 to 4 feet subsiding to 1 to 3 feet after 
midnight.
.friday...west winds 20 to 25 knots with gusts to 30 knots. mostly
cloudy. a chance of light snow until late afternoon. waves 2 to 4
feet.
.friday night...west winds 20 to 25 knots diminishing to 15 to 20
knots in the late evening and early morning...then becoming
southwest 10 to 15 knots after midnight. mostly cloudy early in the
evening becoming partly cloudy. waves 1 to 3 feet.
.saturday...south winds 15 to 20 knots. mostly cloudy. waves 1 to 3
feet.
.saturday night...southwest winds 15 to 20 knots becoming west 20 to
25 knots in the late evening and overnight. mostly cloudy early in
the evening becoming partly cloudy. waves 1 to 3 feet.
.sunday...west winds 20 to 25 knots diminishing to 10 to 15 knots.
partly cloudy then clearing. waves 1 to 3 feet.
.monday...south winds 10 to 15 knots. partly cloudy. a chance of
light rain and snow. waves 2 feet or less.
.tuesday...west winds 10 to 15 knots. mostly cloudy with a chance of
light rain and snow. waves 2 feet or less.

wave heights are for ice free areas.

$$

fzus63 kdtx 182052
glflh 
expires:202512190500;;817985

open lake forecast for lake huron
national weather service detroit/pontiac mi
352 pm est thu dec 18 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, 29.10 inches, tracks over lake superior
this evening which drags a strong cold front across the great
lakes. southerly winds shift sharply to the west-northwest with
the cold frontal passage between 01z and 05z this evening. snow
squalls and northwest gales persist friday.


lhz463-464-190500-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
352 pm est thu dec 18 2025

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

.tonight...south winds to 30 knots with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales late in
the evening...then decreasing to 15 to 20 knots with gusts to
around 30 knots after midnight veering to the west with gusts to
around 30 knots early in the morning. rain in the evening...then
rain with snow likely after midnight. waves 8 to 12 feet
subsiding to 4 to 6 feet early in the morning. waves occasionally
around 15 feet. 
.friday...west winds to 30 knots increasing to 35 knot gales
early in the afternoon...then decreasing to 30 knots late in the
afternoon. gusts to 40 knot gales. a chance of snow. waves 6 to
9 feet building to 10 to 14 feet in the afternoon. waves
occasionally around 18 feet. 
.friday night...west winds to 30 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots in the late evening and early
morning...then backing to the southwest after midnight. waves
10 to 14 feet subsiding to 4 to 6 feet after midnight. waves
occasionally around 18 feet. 
.saturday...south winds 20 to 25 knots with gusts to around
30 knots. a chance of snow and rain in the afternoon. waves 6 to
9 feet. waves occasionally around 12 feet. 
.saturday night...southwest winds 20 to 25 knots becoming west to
30 knots in the late evening and overnight. gusts to 35 knot
gales. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday...west winds to 30 knots with gusts to 35 knot gales
decreasing to 10 to 15 knots. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.monday...southwest winds 10 to 15 knots becoming south 15 to
20 knots until early morning. a chance of snow early in the
evening. a chance of snow and rain in the late evening and early
morning. waves 3 to 5 feet building to 6 to 9 feet until early
morning. waves occasionally around 12 feet. 
.tuesday...south winds 15 to 20 knots becoming west 10 to
15 knots until early morning. a chance of rain and snow early in
the morning. waves 5 to 7 feet. waves occasionally around
10 feet. 


$$

fzus63 kdtx 181443
glflh 
expires:202512182300;;802060

open lake forecast for lake huron
national weather service detroit/pontiac mi
943 am est thu dec 18 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, 29.10 inches, tracks toward lake
superior today and draws a cold front across the southern great
lakes this evening. southerly winds increase today ahead of the
front before shifting to the northwest friday behind the front.
gale force gusts are expected today and friday, with snow squalls
possible on friday.


lhz363-462>464-182300-
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-
943 am est thu dec 18 2025

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

.rest of today...south winds to 30 knots with gusts to 40 knot
gales. scattered showers late in the morning...then showers in
the afternoon. waves 10 to 14 feet. waves occasionally around
18 feet. 
.tonight...south winds to 30 knots with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 40 knot gales late in
the evening...then veering to the southwest with gusts to around
30 knots after midnight. showers in the evening...then numerous
showers and scattered snow showers after midnight. waves 10 to
14 feet subsiding to 8 to 12 feet early in the morning. waves
occasionally around 18 feet. 
.friday...west winds to 30 knots increasing to 35 knot gales in
the late morning and afternoon. gusts to 40 knot gales. scattered
snow showers in the morning. freezing spray in the afternoon.
waves 12 to 16 feet. waves occasionally around 20 feet. a gale
warning may be needed. 
.friday night...west winds 20 to 25 knots with gusts to 35 knot
gales decreasing to 15 to 20 knots in the late evening and early
morning...then backing to the southwest after midnight. waves
12 to 16 feet subsiding to 4 to 6 feet. waves occasionally around
20 feet. 
.saturday...south winds 20 to 25 knots becoming west to 30 knots
late in the evening. a chance of snow late in the morning. waves
8 to 12 feet. waves occasionally around 15 feet. 
.sunday...west winds to 30 knots becoming northwest 15 to
20 knots. waves 8 to 12 feet. waves occasionally around 15 feet. 
.monday...southwest winds 15 to 20 knots backing to the south
early in the evening...then increasing to 20 to 25 knots in the
late evening and early morning. waves 5 to 7 feet building to
8 to 12 feet in the late evening and early morning. waves
occasionally around 15 feet. 


$$