fzus63 kdtx 230857
glflh 
expires:202512231700;;072001

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est tue dec 23 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, 29.80 inches, will then travel from west
to east across lake superior this morning. passage of this system
will veer wind direction to the northwest and will increase wind
speeds across the northern half of lake huron, bringing gust to
gales. high pressure, 30.40 inches, then quickly fills in across
the great lakes early tomorrow morning.


lhz361-362-231700-
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-
357 am est tue dec 23 2025

...gale warning in effect from this afternoon through this
evening...

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


$$

fzus63 kdtx 230857
glflh 
expires:202512231700;;072002

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est tue dec 23 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, 29.80 inches, will then travel from west
to east across lake superior this morning. passage of this system
will veer wind direction to the northwest and will increase wind
speeds across the northern half of lake huron, bringing gust to
gales. high pressure, 30.40 inches, then quickly fills in across
the great lakes early tomorrow morning.


lhz363-462-231700-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
357 am est tue dec 23 2025

.today...southwest winds 10 to 15 knots veering to the west early
in the afternoon...then increasing to 15 to 20 knots late in the
afternoon. a chance of rain in the morning. waves 3 to 5 feet. 
.tonight...west winds 15 to 20 knots with gusts to around
30 knots becoming northwest 20 to 25 knots with gusts to around
30 knots by midnight...then decreasing to 15 to 20 knots early in
the morning. waves 8 to 12 feet. waves occasionally around
15 feet. 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the south early in the afternoon. waves 5 to 7 feet subsiding
to 2 to 4 feet early in the afternoon. waves occasionally around
10 feet. 
.wednesday night...south winds 10 to 15 knots. waves 1 to 3 feet.
.thursday...north winds 10 to 15 knots becoming northeast 15 to
20 knots late in the afternoon. a chance of snow late in the
evening. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 
.friday...southeast winds 20 to 25 knots becoming east 10 to
15 knots. snow likely. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.saturday...east winds 10 to 15 knots veering to the southeast
early in the evening...then becoming south 15 to 20 knots by
midnight. a chance of rain by midnight. waves 2 to 4 feet
building to 3 to 5 feet . 


$$

fzus63 kmkx 230856
glflm 
expires:202512231615;;071948

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
256 am cst tue dec 23 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

southwest winds early this morning will gradually become 
northwest by this afternoon, as low pressure around 29.8 inches 
moves into ontario. high pressure around 30.4 inches will then 
move from north dakota into northern minnesota by tonight. winds 
will become light and northerly. this high will then move over 
northern lake superior wednesday bringing light and variable winds
to lake michigan. south to southeast winds are expected behind 
the high wednesday night. 

another stronger high around 30.5 inches will move east across 
southern manitoba into ontario early christmas day, with winds 
steadily increasing out of the northeast to east.


lmz261-362-364-366-563-565-567-868-231615-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
256 am cst tue dec 23 2025

sheboygan wi to pentwater mi north...

.today...west winds 10 to 20 kt increasing to 15 to 25 kt early
this afternoon, then becoming northwest to 30 kt late. waves 3 to
5 ft. 
.tonight...northwest winds to 30 kt becoming north 15 to 25 kt
late in the evening, then diminishing to 10 to 20 kt after
midnight diminishing to 5 to 10 kt late. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.wednesday...east winds 10 to 15 kt veering to south 10 to 20 kt.
waves 2 to 4 ft. 
.wednesday night...southwest winds 10 to 15 kt veering to north
10 to 20 kt. waves 2 to 4 ft. 
.thursday...northeast winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...east winds 15 to 25 kt becoming southeast to
30 kt. chance of snow, rain and light freezing rain. waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft. 
.friday...southeast winds to 30 kt diminishing to 15 to 25 kt.
snow and light freezing rain likely. waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 5 ft. 
.saturday...southeast winds 10 to 20 kt. chance of rain. waves
2 to 4 ft.  

$$

fzus63 kmkx 230856
glflm 
expires:202512231615;;071949

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
256 am cst tue dec 23 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

southwest winds early this morning will gradually become 
northwest by this afternoon, as low pressure around 29.8 inches 
moves into ontario. high pressure around 30.4 inches will then 
move from north dakota into northern minnesota by tonight. winds 
will become light and northerly. this high will then move over 
northern lake superior wednesday bringing light and variable winds
to lake michigan. south to southeast winds are expected behind 
the high wednesday night. 

another stronger high around 30.5 inches will move east across 
southern manitoba into ontario early christmas day, with winds 
steadily increasing out of the northeast to east.


lmz080-669-671-673-675-777-779-870-872-874-876-878-231615-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
256 am cst tue dec 23 2025

sheboygan wi to pentwater mi south...

.today...west winds 10 to 20 kt becoming northwest. waves 2 to
4 ft. 
.tonight...northwest winds 10 to 20 kt veering to northeast 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...east winds 10 to 15 kt becoming southeast 10 to
20 kt. waves 3 to 5 ft. 
.wednesday night...south winds 10 to 15 kt veering to northwest.
chance of rain in the evening. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.thursday...northeast winds 10 to 20 kt. waves 3 to 5 ft. 
.thursday night...east winds 15 to 25 kt becoming southeast. rain
likely. waves 4 to 6 ft occasionally to 8 ft building to 4 to
7 ft occasionally to 9 ft. 
.friday...southeast winds 15 to 25 kt becoming east 10 to 20 kt.
chance of rain. waves 4 to 7 ft occasionally to 9 ft subsiding to
3 to 5 ft. 
.saturday...southeast winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmqt 230900
glfls 
expires:202512232100;;072248

open lake forecast for lake superior
national weather service marquette mi
400 am est tue dec 23 2025

for waters beyond 5 nautical miles of shore on lake superior.

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 29.8 inch low near thunder bay early this morning progresses east 
today, reaching quebec by this evening. in its wake, a 30.4 inch 
high pressure moves over lake superior from the canadian prairies 
tonight with weak troughing of 30.1 inches moving over the lake late 
wednesday as the high shifts east. 30.3 inch ridging builds back in 
for thursday as a 30.5 inch high transits ontario. low pressure of 
at least 29.6 inches moves through the lower midwest friday. a 
deepening low will then lift into the upper great lakes saturday 
night into sunday.



lsz162-232100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est tue dec 23 2025 /300 am cst tue dec 23 2025/

.early this morning...west winds 10 to 20 knots. waves calm to
2 feet building to 1 to 3 feet. 
.today...west winds 15 to 25 knots becoming northwest 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...north winds 10 to 20 knots becoming east 5 to 15 knots
by midnight, then veering southeast late. a slight chance of snow
showers and sleet after midnight. waves subsiding to calm to
2 feet. 
.wednesday...south winds 5 to 15 knots veering west by mid
afternoon. a chance of snow showers and sleet in the morning.
waves calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. waves building to 1 to 3 feet. 
.thursday...northeast winds 15 to 25 knots veering east in the
afternoon. a chance of snow showers in the afternoon. waves
building to 3 to 5 feet occasionally to 7 feet. 
.thursday night...east winds 15 to 25 knots veering southeast
after midnight. snow showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday...south winds 10 to 20 knots becoming southeast 5 to
15 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 
.saturday...south winds 10 to 20 knots becoming west gales to
35 knots. a chance of rain showers, possibly mixed with snow. a
chance of freezing rain. waves building to 4 to 7 feet
occasionally to 9 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230900
glfls 
expires:202512232100;;072249

open lake forecast for lake superior
national weather service marquette mi
400 am est tue dec 23 2025

for waters beyond 5 nautical miles of shore on lake superior.

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 29.8 inch low near thunder bay early this morning progresses east 
today, reaching quebec by this evening. in its wake, a 30.4 inch 
high pressure moves over lake superior from the canadian prairies 
tonight with weak troughing of 30.1 inches moving over the lake late 
wednesday as the high shifts east. 30.3 inch ridging builds back in 
for thursday as a 30.5 inch high transits ontario. low pressure of 
at least 29.6 inches moves through the lower midwest friday. a 
deepening low will then lift into the upper great lakes saturday 
night into sunday.



lsz263-232100-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 am est tue dec 23 2025

.early this morning...west winds 10 to 20 knots. waves 1 to
3 feet. 
.today...west winds 20 to 30 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible by late morning, then
becoming northwest 20 to 30 knots by mid afternoon. waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 4 to 7 feet occasionally to 9 feet. 
.tonight...north winds 15 to 25 knots becoming northeast 5 to
15 knots by midnight, then veering southeast late. waves
subsiding to calm to 2 feet. 
.wednesday...south winds 5 to 15 knots becoming southwest 10 to
20 knots by late morning, then diminishing to 5 to 15 knots by
mid afternoon. a chance of snow showers and sleet in the morning.
waves calm to 2 feet. 
.wednesday night...north winds 10 to 20 knots. waves building to
2 to 4 feet. 
.thursday...northeast winds 10 to 20 knots becoming east 15 to
25 knots in the afternoon. a chance of snow showers in the
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.thursday night...east winds 20 to 30 knots veering southeast
after midnight. snow showers. waves building to 6 to 9 feet
occasionally to 11 feet. 
.friday...south winds 15 to 25 knots becoming southeast 5 to
15 knots. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.saturday...south winds 15 to 25 knots becoming west gales to
45 knots. a chance of rain and snow showers. freezing spray.
waves building to 8 to 11 feet occasionally to 14 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230900
glfls 
expires:202512232100;;072250

open lake forecast for lake superior
national weather service marquette mi
400 am est tue dec 23 2025

for waters beyond 5 nautical miles of shore on lake superior.

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 29.8 inch low near thunder bay early this morning progresses east 
today, reaching quebec by this evening. in its wake, a 30.4 inch 
high pressure moves over lake superior from the canadian prairies 
tonight with weak troughing of 30.1 inches moving over the lake late 
wednesday as the high shifts east. 30.3 inch ridging builds back in 
for thursday as a 30.5 inch high transits ontario. low pressure of 
at least 29.6 inches moves through the lower midwest friday. a 
deepening low will then lift into the upper great lakes saturday 
night into sunday.



lsz264-232100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est tue dec 23 2025

...gale warning in effect from 10 am est this morning through
this evening...

.early this morning...southwest winds 10 to 20 knots. a slight
chance of rain and snow showers. waves 1 to 3 feet. 
.today...west winds 15 to 25 knots becoming northwest gales to
35 knots. waves building to 8 to 11 feet occasionally to 14 feet.
.tonight...north winds 20 to 30 knots diminishing to 10 to
20 knots by midnight, then becoming northwest 5 to 15 knots late.
waves subsiding to 1 to 3 feet. 
.wednesday...south winds 5 to 15 knots increasing to 10 to
20 knots by late morning, then becoming southwest 5 to 15 knots
by mid afternoon. a chance of snow showers and sleet in the
morning. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.wednesday night...northwest winds 10 to 20 knots becoming north
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.thursday...northeast winds 10 to 20 knots becoming east 15 to
25 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...southeast winds 20 to 30 knots increasing to
gales to 35 knots after midnight. snow showers. waves building to
8 to 11 feet occasionally to 14 feet. 
.friday...south gales to 35 knots becoming southeast 10 to
20 knots. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...south winds 15 to 25 knots becoming west gales to
45 knots. a chance of rain and snow showers. freezing spray.
waves building to 9 to 12 feet occasionally to 15 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230900
glfls 
expires:202512232100;;072251

open lake forecast for lake superior
national weather service marquette mi
400 am est tue dec 23 2025

for waters beyond 5 nautical miles of shore on lake superior.

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 29.8 inch low near thunder bay early this morning progresses east 
today, reaching quebec by this evening. in its wake, a 30.4 inch 
high pressure moves over lake superior from the canadian prairies 
tonight with weak troughing of 30.1 inches moving over the lake late 
wednesday as the high shifts east. 30.3 inch ridging builds back in 
for thursday as a 30.5 inch high transits ontario. low pressure of 
at least 29.6 inches moves through the lower midwest friday. a 
deepening low will then lift into the upper great lakes saturday 
night into sunday.



lsz265-232100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est tue dec 23 2025

...gale warning in effect from 10 am est this morning through
this evening...

.early this morning...west winds 10 to 20 knots. a slight chance
of snow showers. waves calm to 2 feet. 
.today...west winds 20 to 30 knots increasing to gales to
40 knots by late morning, then veering northwest by mid
afternoon. waves building to 8 to 11 feet occasionally to
14 feet. 
.tonight...northwest gales to 35 knots becoming north 10 to
20 knots by midnight, then becoming northwest 5 to 15 knots late.
waves subsiding to 2 to 4 feet. 
.wednesday...south winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then becoming southwest 10 to 20 knots
by mid afternoon. a chance of snow showers and sleet in the
morning. waves subsiding to calm to 2 feet. 
.wednesday night...west winds 10 to 20 knots becoming north 15 to
25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.thursday...northeast winds 15 to 25 knots veering east in the
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...southeast gales to 35 knots. snow showers.
waves building to 6 to 9 feet occasionally to 11 feet. 
.friday...southeast gales to 35 knots becoming south 10 to
20 knots. snow showers likely. waves subsiding to 1 to 3 feet. 
.saturday...south winds 15 to 25 knots becoming west storm force
winds to 60 knots. a chance of rain showers, possibly mixed with
snow, then snow showers, possibly mixed with rain. freezing
spray. waves building to 9 to 12 feet occasionally to 15 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230900
glfls 
expires:202512232100;;072252

open lake forecast for lake superior
national weather service marquette mi
400 am est tue dec 23 2025

for waters beyond 5 nautical miles of shore on lake superior.

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 29.8 inch low near thunder bay early this morning progresses east 
today, reaching quebec by this evening. in its wake, a 30.4 inch 
high pressure moves over lake superior from the canadian prairies 
tonight with weak troughing of 30.1 inches moving over the lake late 
wednesday as the high shifts east. 30.3 inch ridging builds back in 
for thursday as a 30.5 inch high transits ontario. low pressure of 
at least 29.6 inches moves through the lower midwest friday. a 
deepening low will then lift into the upper great lakes saturday 
night into sunday.



lsz266-232100-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 am est tue dec 23 2025

...gale warning in effect from 10 am est this morning through
this evening...

.early this morning...southwest winds 10 to 20 knots. a slight
chance of rain and snow showers. waves 1 to 3 feet. 
.today...west winds 15 to 25 knots increasing to gales to
35 knots by late morning, then becoming northwest gales to
40 knots by mid afternoon. waves building to 12 to 17 feet
occasionally to 21 feet. 
.tonight...northwest gales to 40 knots becoming north 15 to
25 knots by midnight, then diminishing to 10 to 20 knots late.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.wednesday...south winds 5 to 15 knots increasing to 15 to
25 knots by late morning, then veering southwest by mid
afternoon. a slight chance of snow showers and sleet. waves
subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...west winds 10 to 20 knots becoming north 15 to
25 knots after midnight. waves subsiding to 2 to 4 feet, then
building to 3 to 6 feet occasionally to 8 feet. 
.thursday...northeast winds 15 to 25 knots veering east in the
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...southeast gales to 40 knots. snow showers.
waves building to 8 to 11 feet occasionally to 14 feet. 
.friday...southeast gales to 40 knots diminishing to 15 to
25 knots. a chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.saturday...south winds 20 to 30 knots becoming west storm force
winds to 55 knots. a chance of rain and snow showers, then snow
showers, possibly mixed with rain. freezing spray. waves building
to 10 to 14 feet occasionally to 18 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 230900
glfls 
expires:202512232100;;072253

open lake forecast for lake superior
national weather service marquette mi
400 am est tue dec 23 2025

for waters beyond 5 nautical miles of shore on lake superior.

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 29.8 inch low near thunder bay early this morning progresses east 
today, reaching quebec by this evening. in its wake, a 30.4 inch 
high pressure moves over lake superior from the canadian prairies 
tonight with weak troughing of 30.1 inches moving over the lake late 
wednesday as the high shifts east. 30.3 inch ridging builds back in 
for thursday as a 30.5 inch high transits ontario. low pressure of 
at least 29.6 inches moves through the lower midwest friday. a 
deepening low will then lift into the upper great lakes saturday 
night into sunday.



lsz267-232100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est tue dec 23 2025

...gale warning in effect from 10 am est this morning through
this evening...

.early this morning...south winds 10 to 20 knots. a chance of
snow showers, possibly mixed with rain. waves calm to 2 feet. 
.today...southwest winds 15 to 25 knots becoming west gales to
35 knots by late morning, then becoming northwest gales to
45 knots by mid afternoon. a chance of snow and rain showers in
the morning. waves building to 12 to 17 feet occasionally to
21 feet. 
.tonight...northwest gales to 40 knots becoming north 20 to
30 knots by midnight, then diminishing to 10 to 20 knots late.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.wednesday...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of snow showers and sleet. waves subsiding to
calm to 2 feet, then building to 2 to 4 feet. 
.wednesday night...west winds 15 to 25 knots veering north after
midnight. waves building to 3 to 5 feet occasionally to 7 feet. 
.thursday...northeast winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...southeast winds 20 to 30 knots increasing to
gales to 35 knots after midnight. snow showers. freezing spray
after midnight. waves building to 5 to 8 feet occasionally to
10 feet. 
.friday...southeast gales to 35 knots diminishing to 20 to
30 knots. snow showers. waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 2 to 4 feet. 
.saturday...southeast winds 20 to 30 knots becoming west gales to
40 knots. a chance of snow showers, possibly mixed with rain,
then rain and snow showers. waves building to 9 to 12 feet
occasionally to 15 feet. 

note, wave height forecasts are for ice free areas.

$$