fzus63 kdtx 271500
glflh 
expires:202512272300;;318095

open lake forecast for lake huron
national weather service detroit/pontiac mi
1000 am est sat dec 27 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...weak ridging takes residence today to maintain light
southeast winds. rapidly deepening low pressure then moves into
the great lakes sunday, deepening to 28.90 inches and dragging a
strong cold front across the area monday morning. this supports a
high end gale event monday with potential for a brief period of
storm force winds as the front comes through. heavy freezing spray
is also possible. 


lhz361-362-272300-
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-
1000 am est sat dec 27 2025

...gale watch in effect from monday morning through tuesday
morning...

.rest of today...east winds 5 to 10 knots becoming southeast
10 to 15 knots in the afternoon. waves 1 to 3 feet building to
2 to 4 feet late in the afternoon. 
.tonight...southeast winds 15 to 20 knots. waves 3 to 5 feet
building to 5 to 7 feet early in the morning. waves occasionally
around 10 feet. 
.sunday...southeast winds 15 to 20 knots. a chance of rain in the
morning...then rain in the afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.sunday night...east winds 15 to 20 knots increasing to 30 knots
with gusts to 35 knot gales. rain. waves 6 to 9 feet building to
10 to 14 feet after midnight. waves occasionally around 18 feet. 
.monday...southwest at 35 knot gales becoming northwest at
40 knot gales late in the evening. gusts to 45 knot gales. snow.
snow likely late in the afternoon. heavy freezing spray. waves
14 to 18 feet building to 18 to 23 feet late in the afternoon.
waves occasionally around 28 feet. a gale warning may be needed. 
.tuesday...northwest at 35 knot gales with gusts to 40 knot gales
becoming west 20 to 25 knots with gusts to around 30 knots.
freezing spray. a chance of snow . waves 14 to 18 feet subsiding
to 8 to 12 feet . waves occasionally around 23 feet. 
.wednesday...west winds 20 to 25 knots becoming northwest to
30 knots . a chance of snow. freezing spray. waves 8 to 12 feet.
waves occasionally around 15 feet. 


$$

fzus63 kdtx 271500
glflh 
expires:202512272300;;318096

open lake forecast for lake huron
national weather service detroit/pontiac mi
1000 am est sat dec 27 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...weak ridging takes residence today to maintain light
southeast winds. rapidly deepening low pressure then moves into
the great lakes sunday, deepening to 28.90 inches and dragging a
strong cold front across the area monday morning. this supports a
high end gale event monday with potential for a brief period of
storm force winds as the front comes through. heavy freezing spray
is also possible. 


lhz363-462-272300-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
1000 am est sat dec 27 2025

...gale watch in effect from late sunday night through tuesday
morning...

.rest of today...east winds 5 to 10 knots becoming southeast
10 to 15 knots late in the afternoon. waves 1 to 3 feet. 
.tonight...southeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. waves 2 to 4 feet
building to 4 to 6 feet in the late evening and overnight. waves
occasionally around 8 feet. 
.sunday...southeast winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. a chance of rain in the
morning...then rain in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.sunday night...southeast winds 15 to 20 knots with gusts to
around 30 knots becoming south to 30 knots with gusts to 40 knot
gales after midnight. rain in the evening...then rain with snow
likely after midnight. waves 4 to 6 feet building to 10 to
14 feet after midnight. waves occasionally around 18 feet. 
.monday...west at 40 knot gales veering to the northwest late in
the afternoon. storm force gusts to 50 knots. snow likely. a
chance of snow late in the evening. freezing spray. waves 15 to
20 feet building to 20 to 25 feet late in the afternoon. waves
occasionally around 32 feet. a gale warning may be needed. 
.tuesday...northwest at 35 knot gales with gusts to 40 knot gales
becoming west 20 to 25 knots with gusts to around 30 knots.
freezing spray early in the morning. a chance of snow . waves
14 to 18 feet subsiding to 8 to 12 feet . waves occasionally
around 23 feet. 
.wednesday...west winds 20 to 25 knots becoming northwest to
30 knots . gusts to 35 knot gales. a chance of snow. freezing
spray. waves 8 to 12 feet. waves occasionally around 15 feet. 


$$

fzus63 kmkx 271518
glflm 
expires:202512272230;;319174

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
918 am cst sat dec 27 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...

no major changes to the going forecast at this time.

high pressure around 30.0 inches will slowly exit southern lake
michigan to the east today, with modest southeast winds returning
by midday as low pressure develops over the central plains and
slowly moves northeastward into sunday. low pressure deepens to 
29.2 inches sunday evening as it tracks across southern lake 
michigan, then deepens to 28.8 inches over northern lake huron 
monday morning. the strong low will then reach far southern quebec
by late monday. northwesterly gales will develop late sunday 
night across all open waters. confidence in storm force gusts has 
increased, and a storm watch has been issued for all open waters 
late sunday night through monday night. much colder air will also
bring moderate freezing spray throughout this time frame. winds 
will diminish slowly and shift to become westerly on tuesday as 
low pressure exits into northern quebec.


lmz261-362-364-366-563-565-567-868-272230-
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-
918 am cst sat dec 27 2025

sheboygan wi to pentwater mi north...

...storm watch in effect from sunday evening through late monday
night...

.rest of today...south winds 10 to 20 kt. waves 1 to 3 ft
building to 3 to 5 ft. 
.tonight...southeast winds 15 to 25 kt diminishing to 10 to
20 kt. chance of rain and light freezing rain overnight. waves
4 to 6 ft occasionally to 8 ft. 
.sunday...southeast winds 10 to 20 kt becoming northeast. chance
of rain and light freezing rain in the morning, then rain in the
afternoon. waves 3 to 5 ft. 
.sunday night...northeast gales to 35 kt becoming northwest gales
to 45 kt overnight. rain and freezing rain in the evening, then
snow and rain overnight. waves 6 to 9 ft occasionally to 12 ft
building to 14 to 18 ft occasionally to 23 ft. 
.monday...northwest storm force winds to 50 kt. freezing spray.
snow in the morning, then snow likely in the afternoon. waves
15 to 20 ft occasionally to 26 ft. 
.monday night...northwest storm force winds to 55 kt diminishing
to storm force winds to 50 kt. freezing spray. chance of snow.
waves 14 to 18 ft occasionally to 23 ft subsiding to 12 to 16 ft
occasionally to 21 ft. 
.tuesday...northwest gales to 35 kt becoming west to 30 kt.
freezing spray. chance of snow. waves 8 to 11 ft occasionally to
14 ft subsiding to 5 to 8 ft occasionally to 10 ft. 
.wednesday...northwest winds to 30 kt increasing to gales to
35 kt. freezing spray. chance of snow. waves 6 to 9 ft
occasionally to 12 ft.  

$$

fzus63 kmkx 271518
glflm 
expires:202512272230;;319175

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
918 am cst sat dec 27 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...

no major changes to the going forecast at this time.

high pressure around 30.0 inches will slowly exit southern lake
michigan to the east today, with modest southeast winds returning
by midday as low pressure develops over the central plains and
slowly moves northeastward into sunday. low pressure deepens to 
29.2 inches sunday evening as it tracks across southern lake 
michigan, then deepens to 28.8 inches over northern lake huron 
monday morning. the strong low will then reach far southern quebec
by late monday. northwesterly gales will develop late sunday 
night across all open waters. confidence in storm force gusts has 
increased, and a storm watch has been issued for all open waters 
late sunday night through monday night. much colder air will also
bring moderate freezing spray throughout this time frame. winds 
will diminish slowly and shift to become westerly on tuesday as 
low pressure exits into northern quebec.


lmz080-669-671-673-675-777-779-870-872-874-876-878-272230-
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-
918 am cst sat dec 27 2025

sheboygan wi to pentwater mi south...

...storm watch in effect from sunday evening through late monday
night...

.rest of today...southeast winds 10 to 20 kt. waves 1 to 3 ft
building to 3 to 5 ft. 
.tonight...southeast winds 15 to 25 kt diminishing to 10 to
20 kt. slight chance of rain in the evening, then rain likely
overnight. patchy fog overnight. waves 4 to 6 ft occasionally to
8 ft. 
.sunday...southeast winds 10 to 20 kt becoming south 15 to 25 kt.
rain. waves 3 to 5 ft. 
.sunday night...west gales to 45 kt increasing to storm force
winds to 50 kt. rain and snow in the evening, then snow
overnight. waves 8 to 12 ft occasionally to 16 ft building to
15 to 20 ft occasionally to 26 ft. 
.monday...northwest storm force winds to 50 kt. freezing spray in
the morning. snow in the morning, then chance of snow in the
afternoon. waves 18 to 23 ft occasionally to 30 ft. 
.monday night...northwest gales to 45 kt diminishing to gales to
40 kt. freezing spray. chance of snow. waves 18 to 23 ft
occasionally to 30 ft subsiding to 14 to 18 ft occasionally to
23 ft. 
.tuesday...northwest winds to 30 kt becoming west. freezing
spray. waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.wednesday...northwest winds to 30 kt increasing to gales to
35 kt. chance of snow. waves 8 to 12 ft occasionally to 16 ft.  

$$

fzus63 kmqt 271501
glfls 
expires:202512272100;;318131

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat dec 27 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 30.2 inch ridge extends into the eastern lakes today while a 29.7 
inch low develops over the plains. this low deepens to 28.9 inches 
as it lifts to near the straits of mackinac by monday morning. 
meanwhile, a strong high pressure of at least 30.6 inches will 
spread across the great plains as the low lifts into quebec. a 29.8 
inch trough dives southeast into the upper great lakes late tuesday.
.



lsz266-272100-
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-
1000 am est sat dec 27 2025

...storm watch in effect from sunday evening through late monday
night...

.rest of today...south winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. flurries late in the morning. a chance
of rain showers in the afternoon. waves calm to 2 feet building
to 4 to 7 feet occasionally to 9 feet. 
.tonight...south winds 20 to 30 knots diminishing to 15 to
25 knots late. a chance of rain showers. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.sunday...southeast winds 10 to 20 knots backing east by late
morning, then increasing to 15 to 25 knots by mid afternoon. a
chance of rain showers in the morning, then rain, possibly mixed
with snow in the afternoon. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...northeast gales to 45 knots becoming north storm
force winds to 60 knots after midnight. a slight chance of rain
in the evening. snow. freezing spray after midnight. waves
building to 20 to 25 feet occasionally to 31 feet. 
.monday...north storm force winds to 60 knots. heavy freezing
spray. snow. waves building to 25 to 30 feet occasionally to
38 feet, then subsiding to 22 to 27 feet occasionally to 34 feet.
.monday night...north storm force winds to 55 knots becoming
northwest gales to 40 knots after midnight. heavy freezing spray.
a chance of snow showers. waves subsiding to 12 to 17 feet
occasionally to 21 feet. 
.tuesday...northwest winds 20 to 30 knots increasing to gales to
40 knots. freezing spray. a chance of snow showers. snow showers.
waves subsiding to 6 to 9 feet occasionally to 11 feet, then
building to 10 to 14 feet occasionally to 18 feet. 
.wednesday...northwest gales to 40 knots. heavy freezing spray.
snow showers. waves building to 11 to 15 feet occasionally to
19 feet, then subsiding to 10 to 14 feet occasionally to 18 feet.

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 271501
glfls 
expires:202512272100;;318127

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat dec 27 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 30.2 inch ridge extends into the eastern lakes today while a 29.7 
inch low develops over the plains. this low deepens to 28.9 inches 
as it lifts to near the straits of mackinac by monday morning. 
meanwhile, a strong high pressure of at least 30.6 inches will 
spread across the great plains as the low lifts into quebec. a 29.8 
inch trough dives southeast into the upper great lakes late tuesday.
.



lsz162-272100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sat dec 27 2025 /900 am cst sat dec 27 2025/

...gale watch in effect from sunday evening through monday
evening...

.rest of today...southeast winds 10 to 20 knots veering south by
mid afternoon. a chance of rain showers. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots. a slight chance of rain
showers. waves calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots becoming north 10 to
20 knots by late morning, then increasing to 20 to 30 knots by
mid afternoon. a chance of rain showers, possibly mixed with snow
in the morning, then snow, possibly mixed with rain in the
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...north gales to 45 knots. heavy freezing spray.
snow. waves building to 10 to 14 feet occasionally to 18 feet. 
.monday...north gales to 45 knots becoming northwest gales to
40 knots in the afternoon. heavy freezing spray. a chance of
snow. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.monday night...northwest gales to 35 knots diminishing to 15 to
25 knots after midnight. waves subsiding to 1 to 3 feet. 
.tuesday...west winds 15 to 25 knots becoming northwest 20 to
30 knots. snow showers likely. waves building to 2 to 4 feet. 
.wednesday...northwest winds 20 to 30 knots. heavy freezing
spray. waves building to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 271501
glfls 
expires:202512272100;;318132

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat dec 27 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 30.2 inch ridge extends into the eastern lakes today while a 29.7 
inch low develops over the plains. this low deepens to 28.9 inches 
as it lifts to near the straits of mackinac by monday morning. 
meanwhile, a strong high pressure of at least 30.6 inches will 
spread across the great plains as the low lifts into quebec. a 29.8 
inch trough dives southeast into the upper great lakes late tuesday.
.



lsz267-272100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est sat dec 27 2025

...storm watch in effect from sunday evening through late monday
night...

.rest of today...south winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then becoming southeast 20 to 30 knots
by mid afternoon. a slight chance of rain and snow showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet occasionally
to 7 feet. 
.tonight...south winds 20 to 30 knots becoming southeast 15 to
25 knots late. a chance of rain showers. waves building to 3 to
6 feet occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.sunday...southeast winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then becoming east 15 to 25 knots by
mid afternoon. a chance of rain showers in the morning, then
rain, possibly mixed with snow in the afternoon. waves subsiding
to 1 to 3 feet, then building to 2 to 4 feet. 
.sunday night...northeast gales to 45 knots. rain, possibly mixed
with sleet in the evening. snow. freezing spray after midnight.
waves building to 15 to 20 feet occasionally to 25 feet. 
.monday...north storm force winds to 55 knots. freezing spray.
snow. waves building to 17 to 22 feet occasionally to 28 feet. 
.monday night...north storm force winds to 50 knots diminishing
to gales to 40 knots after midnight. heavy freezing spray. snow
showers likely in the evening. a chance of snow showers after
midnight. waves subsiding to 10 to 14 feet occasionally to
18 feet. 
.tuesday...northwest winds 20 to 30 knots. freezing spray. snow
showers. waves subsiding to 6 to 9 feet occasionally to 11 feet,
then building to 9 to 12 feet occasionally to 15 feet. 
.wednesday...northwest gales to 35 knots. heavy freezing spray.
snow showers. waves building to 11 to 15 feet occasionally to
19 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 271501
glfls 
expires:202512272100;;318128

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat dec 27 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 30.2 inch ridge extends into the eastern lakes today while a 29.7 
inch low develops over the plains. this low deepens to 28.9 inches 
as it lifts to near the straits of mackinac by monday morning. 
meanwhile, a strong high pressure of at least 30.6 inches will 
spread across the great plains as the low lifts into quebec. a 29.8 
inch trough dives southeast into the upper great lakes late tuesday.
.



lsz263-272100-
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-
1000 am est sat dec 27 2025

...storm watch in effect from sunday evening through monday
evening...

.rest of today...southeast winds 5 to 15 knots becoming south
10 to 20 knots. a chance of rain showers. waves calm to 2 feet
building to 1 to 3 feet. 
.tonight...south winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. a chance of rain showers. waves building to
2 to 4 feet, then subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots becoming north 10 to
20 knots by late morning, then increasing to 30 knots with a few
gale force gusts to 35 knots possible by mid afternoon. a chance
of rain showers, possibly mixed with snow in the morning, then
snow, possibly mixed with rain in the afternoon. waves building
to 3 to 6 feet occasionally to 8 feet. 
.sunday night...north gales to 45 knots increasing to storm force
winds to 55 knots after midnight. heavy freezing spray. a slight
chance of rain in the evening. snow. waves building to 17 to
22 feet occasionally to 28 feet. 
.monday...north storm force winds to 55 knots diminishing to
gales to 45 knots in the afternoon. heavy freezing spray. a
chance of snow. waves subsiding to 10 to 14 feet occasionally to
18 feet. 
.monday night...northwest gales to 40 knots diminishing to 20 to
30 knots after midnight. heavy freezing spray. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.tuesday...west winds 15 to 25 knots becoming northwest gales to
35 knots. a chance of snow showers. freezing spray. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
6 to 9 feet occasionally to 11 feet. 
.wednesday...northwest gales to 35 knots. heavy freezing spray.
waves subsiding to 5 to 8 feet occasionally to 10 feet, then
building to 6 to 9 feet occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 271501
glfls 
expires:202512272100;;318129

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat dec 27 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 30.2 inch ridge extends into the eastern lakes today while a 29.7 
inch low develops over the plains. this low deepens to 28.9 inches 
as it lifts to near the straits of mackinac by monday morning. 
meanwhile, a strong high pressure of at least 30.6 inches will 
spread across the great plains as the low lifts into quebec. a 29.8 
inch trough dives southeast into the upper great lakes late tuesday.
.



lsz264-272100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est sat dec 27 2025

...storm watch in effect from sunday evening through monday
evening...

.rest of today...south winds 5 to 15 knots increasing to 15 to
25 knots. a chance of rain showers in the afternoon. waves calm
to 2 feet building to 4 to 7 feet occasionally to 9 feet. 
.tonight...south winds 15 to 25 knots diminishing to 10 to
20 knots late. a chance of rain showers. waves building to 5 to
8 feet occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.sunday...east winds 5 to 15 knots becoming northeast 10 to
20 knots by late morning, then increasing to 20 to 30 knots by
mid afternoon. a chance of rain showers, possibly mixed with snow
in the morning, then rain and snow in the afternoon. waves
subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.sunday night...north gales to 45 knots increasing to storm force
winds to 60 knots after midnight. heavy freezing spray. snow.
waves building to 17 to 22 feet occasionally to 28 feet. 
.monday...north storm force winds to 60 knots diminishing to
gales to 45 knots in the afternoon. heavy freezing spray. a
chance of snow. waves building to 20 to 25 feet occasionally to
31 feet, then subsiding to 15 to 20 feet occasionally to 25 feet.
.monday night...north gales to 45 knots becoming northwest gales
to 40 knots after midnight. heavy freezing spray. waves subsiding
to 7 to 10 feet occasionally to 13 feet. 
.tuesday...northwest winds 20 to 30 knots increasing to gales to
35 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
8 to 11 feet occasionally to 14 feet. 
.wednesday...northwest gales to 40 knots. heavy freezing spray.
waves subsiding to 7 to 10 feet occasionally to 13 feet, then
building to 9 to 12 feet occasionally to 15 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 271501
glfls 
expires:202512272100;;318130

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat dec 27 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 30.2 inch ridge extends into the eastern lakes today while a 29.7 
inch low develops over the plains. this low deepens to 28.9 inches 
as it lifts to near the straits of mackinac by monday morning. 
meanwhile, a strong high pressure of at least 30.6 inches will 
spread across the great plains as the low lifts into quebec. a 29.8 
inch trough dives southeast into the upper great lakes late tuesday.
.



lsz265-272100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est sat dec 27 2025

...storm watch in effect from sunday evening through late monday
night...

.rest of today...south winds 15 to 25 knots. flurries late in the
morning. a slight chance of rain showers in the afternoon. waves
calm to 2 feet building to 3 to 6 feet occasionally to 8 feet. 
.tonight...south winds 20 to 30 knots diminishing to 10 to
20 knots. a chance of rain showers. waves subsiding to 1 to
3 feet. 
.sunday...southeast winds 5 to 15 knots becoming east 10 to
20 knots by late morning, then becoming northeast 15 to 25 knots
by mid afternoon. a chance of rain showers in the morning, then
rain, possibly mixed with snow and sleet in the afternoon. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.sunday night...northeast gales to 45 knots becoming north storm
force winds to 60 knots after midnight. a slight chance of rain
in the evening. snow. freezing spray after midnight. waves
building to 20 to 25 feet occasionally to 31 feet. 
.monday...north storm force winds to 60 knots. heavy freezing
spray. snow in the morning. snow likely in the afternoon. waves
building to 25 to 30 feet occasionally to 38 feet, then subsiding
to 17 to 22 feet occasionally to 28 feet. 
.monday night...northwest gales to 45 knots. heavy freezing
spray. a chance of snow showers. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.tuesday...west gales to 35 knots becoming northwest gales to
40 knots. freezing spray. a chance of snow showers. snow showers
likely. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 8 to 11 feet occasionally to 14 feet. 
.wednesday...northwest gales to 40 knots. heavy freezing spray.
snow showers likely. a chance of snow showers. waves building to
8 to 12 feet occasionally to 15 feet. 

note, wave height forecasts are for ice free areas.

$$