fzus63 kdtx 141446
glflh 
expires:202512142300;;571466

open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am est sun dec 14 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...an arctic cold front pushed east of the area this
morning. strong northwesterly flow follows for the rest of the
weekend with bitter cold air leading to snow squalls and freezing
spray over lake huron.


lhz361-142300-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
946 am est sun dec 14 2025

.rest of today...north winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tonight...northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the evening...then increasing to 10 to 15 knots
after midnight becoming southwest 15 to 20 knots early in the
morning. a chance of snow showers after midnight. waves 3 to
5 feet subsiding to 1 to 3 feet after midnight...then building to
3 to 5 feet early in the morning. 
.monday...southwest winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and afternoon. snow in the morning...
then a chance of snow in the afternoon. waves 4 to 6 feet. 
.monday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. waves occasionally around 8 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. waves 1 to 3 feet
building to 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...west winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots in the late morning and
early afternoon...then decreasing to 10 to 15 knots early in the
evening becoming south 15 to 20 knots in the late evening and
early morning. a chance of rain in the late evening and early
morning. waves 6 to 9 feet subsiding to 2 to 4 feet early in the
evening...then building to 6 to 9 feet in the late evening and
early morning. waves occasionally around 12 feet. 
.thursday...south winds 20 to 25 knots with gusts to 35 knot
gales becoming southwest at 35 knot gales with gusts to 40 knot
gales until early morning. rain until afternoon...then rain
likely early in the evening. a chance of snow until early
morning. waves 12 to 16 feet. waves occasionally around 20 feet.
a gale warning may be needed. 


$$

fzus63 kdtx 141446
glflh 
expires:202512142300;;571467

open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am est sun dec 14 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...an arctic cold front pushed east of the area this
morning. strong northwesterly flow follows for the rest of the
weekend with bitter cold air leading to snow squalls and freezing
spray over lake huron.


lhz362-363-462-142300-
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-
lake huron from port austin to harbor beach beyond 5nm off shore-
946 am est sun dec 14 2025

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

.rest of today...northwest winds 20 to 25 knots. gusts to
30 knots in the late morning and early afternoon. a chance of
snow showers. freezing spray. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.tonight...west winds 15 to 20 knots. waves 6 to 9 feet subsiding
to 4 to 6 feet early in the morning. waves occasionally around
12 feet. 
.monday...southwest winds 20 to 25 knots increasing to 30 knots
in the late morning and early afternoon...then decreasing to
20 to 25 knots early in the afternoon. gusts to 35 knot gales.
snow in the morning...then a chance of snow in the afternoon.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.monday night...west winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 6 to 9 feet
subsiding to 3 to 5 feet in the late evening and overnight. waves
occasionally around 12 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the morning...then
becoming south at 35 knot gales late in the afternoon becoming
southwest to 30 knots with gusts to 35 knot gales late in the
evening. waves 2 to 4 feet building to 10 to 14 feet. waves
occasionally around 18 feet. a gale warning may be needed. 
.wednesday...southwest winds 20 to 25 knots becoming west 15 to
20 knots in the late morning and early afternoon...then
decreasing to 10 to 15 knots early in the evening becoming south
to 30 knots with gusts to 35 knot gales in the late evening and
early morning. waves 8 to 12 feet subsiding to 4 to 6 feet early
in the evening...then building to 8 to 12 feet in the late
evening and early morning. waves occasionally around 15 feet. 
.thursday...south at 40 knot gales becoming west at 45 knot gales
in the late evening and early morning. rain likely. a chance of
snow until early morning. a chance of rain in the late evening
and early morning. waves 15 to 20 feet. waves occasionally around
25 feet. a gale warning may be needed. 


$$

fzus63 kmkx 141506
glflm 
expires:202512142215;;572440

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
906 am cst sun dec 14 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...

moderate freezing spray will linger through this morning. winds 
will then gradually ease this afternoon and evening as a ridge of 
high pressure moves across the lake. low pressure then enters 
hudson bay as high pressure exits across the ohio valley, bringing
brisk southwest winds late tonight into monday. a gale warning is
in effect for this time frame. a brief period of lighter winds 
develop monday night, but low pressure around 29.2 inches develops
and progresses eastward across southern canada into tuesday, 
bringing an additional round of brisk southwest winds and gale 
potential, especially across the northern half. winds diminish 
into wednesday as low pressure exits, but become gusty and 
southwesterly again thursday as an additional low pressure system 
progresses across the northern plains.


lmz261-362-364-366-563-565-567-868-142215-
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-
906 am cst sun dec 14 2025

sheboygan wi to pentwater mi north...

...gale warning in effect from late tonight through monday
morning...

.rest of today...northwest winds to 30 kt diminishing to 10 to
20 kt. freezing spray late this morning. scattered snow showers
late this morning, then slight chance of light freezing rain with
isolated snow showers this afternoon. waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tonight...west winds 10 to 15 kt becoming southwest 10 to 20 kt
late in the evening, then increasing to 30 kt after midnight
increasing to gales to 35 kt late. slight chance of snow showers
in the evening, then chance of snow showers overnight. freezing
spray overnight. waves 3 to 5 ft building to 7 to 10 ft
occasionally to 13 ft. 
.monday...southwest gales to 35 kt becoming west to 30 kt late in
the morning, then diminishing to 15 to 25 kt early in the
afternoon diminishing to 10 to 20 kt late. freezing spray in the
morning. chance of snow showers in the morning. waves 8 to 12 ft
occasionally to 16 ft subsiding to 5 to 8 ft occasionally to
10 ft. 
.monday night...northwest winds 10 to 20 kt becoming southwest
10 to 15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
1 to 3 ft. 
.tuesday...southwest winds to 30 kt increasing to gales to 40 kt
in the afternoon. waves 4 to 7 ft occasionally to 9 ft building
to 8 to 12 ft occasionally to 16 ft. 
.tuesday night...southwest gales to 40 kt becoming west. waves
10 to 14 ft occasionally to 18 ft subsiding to 8 to 11 ft
occasionally to 14 ft. 
.wednesday...northwest winds 15 to 25 kt becoming west 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft. 
.thursday...south gales to 40 kt becoming west gales to 45 kt.
rain likely with a chance of snow. waves 14 to 18 ft occasionally
to 23 ft.  

$$

fzus63 kmkx 141506
glflm 
expires:202512142215;;572441

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
906 am cst sun dec 14 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...

moderate freezing spray will linger through this morning. winds 
will then gradually ease this afternoon and evening as a ridge of 
high pressure moves across the lake. low pressure then enters 
hudson bay as high pressure exits across the ohio valley, bringing
brisk southwest winds late tonight into monday. a gale warning is
in effect for this time frame. a brief period of lighter winds 
develop monday night, but low pressure around 29.2 inches develops
and progresses eastward across southern canada into tuesday, 
bringing an additional round of brisk southwest winds and gale 
potential, especially across the northern half. winds diminish 
into wednesday as low pressure exits, but become gusty and 
southwesterly again thursday as an additional low pressure system 
progresses across the northern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-142215-
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-
906 am cst sun dec 14 2025

sheboygan wi to pentwater mi south...

...gale warning in effect from late tonight through monday
morning...

.rest of today...northwest winds to 30 kt becoming west 10 to
20 kt. freezing spray. scattered snow showers and slight chance
of light freezing rain late this morning, then slight chance of
light freezing rain this afternoon. waves 8 to 11 ft occasionally
to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft. 
.tonight...west winds 10 to 20 kt becoming southwest 15 to 25 kt
after midnight, then increasing to gales to 35 kt late. freezing
spray overnight. waves 4 to 6 ft occasionally to 8 ft building to
7 to 10 ft occasionally to 13 ft. 
.monday...southwest gales to 35 kt becoming west to 30 kt early
in the afternoon, then diminishing to 15 to 25 kt late. freezing
spray in the morning. waves 10 to 14 ft occasionally to 18 ft
subsiding to 7 to 10 ft occasionally to 13 ft. 
.monday night...west winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft. 
.tuesday...southwest winds 15 to 25 kt increasing to 30 kt. waves
4 to 7 ft occasionally to 9 ft building to 8 to 12 ft
occasionally to 16 ft. 
.tuesday night...southwest winds to 30 kt becoming west. waves
8 to 12 ft occasionally to 16 ft subsiding to 8 to 11 ft
occasionally to 14 ft. 
.wednesday...west winds 10 to 20 kt becoming southwest. waves
5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft. 
.thursday...southwest gales to 40 kt becoming west gales to
45 kt. chance of rain. waves 14 to 18 ft occasionally to 23 ft.  

$$

fzus63 kmqt 141501
glfls 
expires:202512142100;;572095

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun dec 14 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...

ridging builds to 30.5 inches over the lake today as the 30.8 center 
continues diving towards the ohio river valley while weakening 
slightly to 30.7 inches. a 29.9 inch trough then moves across the 
lake monday as the aforementioned high settles over the southeastern 
u.s. a weak 30.0 inch ridge then crosses lake superior monday night, 
followed by a trough of at least 29.3 inches tuesday into tuesday 
night as a 29.1 inch low crosses northern ontario. weak ridging of 
29.9 inches returns over lake superior on wednesday before a 29.1 
inch clipper low approaches the lake wednesday night. the clipper 
then traverses the lake on thursday before lifting away and 
strengthening to 29.0 inches thursday night. ridging of at least 
30.1 inches then returns over lake superior on friday.



lsz162-142100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sun dec 14 2025 /900 am cst sun dec 14 2025/

...heavy freezing spray warning in effect from 7 pm est /6 pm
cst/ this evening through late tonight...
...gale warning in effect from this evening through monday
morning...

.rest of today...northwest winds 10 to 20 knots backing west by
late morning, then becoming southwest 15 to 25 knots by mid
afternoon. waves 1 to 3 feet subsiding to calm to 2 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.tonight...southwest winds 20 to 30 knots increasing to gales to
35 knots by midnight, then veering west late. freezing spray. a
chance of snow showers. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.monday...west winds 15 to 25 knots becoming northwest 10 to
20 knots. a slight chance of snow showers in the morning. waves
subsiding to calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots becoming southwest
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.tuesday...southwest gales to 40 knots. waves building to 7 to
11 feet occasionally to 14 feet. 
.tuesday night...west gales to 35 knots becoming northwest 20 to
30 knots after midnight. waves subsiding to 2 to 4 feet. 
.wednesday...south winds 10 to 20 knots increasing to gales to
40 knots. rain and snow showers. waves subsiding to calm to
2 feet, then building to 6 to 9 feet occasionally to 11 feet. 
.thursday...west gales to 45 knots veering northwest. freezing
spray. snow showers likely. waves building to 10 to 14 feet
occasionally to 18 feet, then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 141501
glfls 
expires:202512142100;;572096

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun dec 14 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...

ridging builds to 30.5 inches over the lake today as the 30.8 center 
continues diving towards the ohio river valley while weakening 
slightly to 30.7 inches. a 29.9 inch trough then moves across the 
lake monday as the aforementioned high settles over the southeastern 
u.s. a weak 30.0 inch ridge then crosses lake superior monday night, 
followed by a trough of at least 29.3 inches tuesday into tuesday 
night as a 29.1 inch low crosses northern ontario. weak ridging of 
29.9 inches returns over lake superior on wednesday before a 29.1 
inch clipper low approaches the lake wednesday night. the clipper 
then traverses the lake on thursday before lifting away and 
strengthening to 29.0 inches thursday night. ridging of at least 
30.1 inches then returns over lake superior on friday.



lsz263-142100-
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 sun dec 14 2025

...gale warning in effect from this evening through monday
morning...

.rest of today...northwest winds 10 to 20 knots backing west by
late morning, then becoming southwest 15 to 25 knots by mid
afternoon. a slight chance of snow showers. waves 2 to 4 feet. 
.tonight...southwest winds 20 to 30 knots increasing to gales to
35 knots by midnight, then veering west late. freezing spray. a
chance of snow showers in the evening. snow showers after
midnight. waves building to 8 to 11 feet occasionally to 14 feet.
.monday...west winds 20 to 30 knots becoming northwest 10 to
20 knots. freezing spray in the morning. a chance of snow
showers. waves subsiding to 1 to 3 feet. 
.monday night...northwest winds 5 to 15 knots becoming southwest
15 to 25 knots after midnight. waves subsiding to calm to 2 feet,
then building to 2 to 4 feet. 
.tuesday...southwest gales to 40 knots. a slight chance of
drizzle, freezing drizzle, snow showers and sleet in the morning.
waves building to 10 to 14 feet occasionally to 18 feet. 
.tuesday night...west gales to 40 knots. waves subsiding to 4 to
7 feet occasionally to 9 feet. 
.wednesday...northwest winds 10 to 20 knots becoming south gales
to 40 knots. a chance of snow showers. rain showers likely. waves
subsiding to calm to 2 feet, then building to 7 to 10 feet
occasionally to 13 feet. 
.thursday...northwest storm force winds to 55 knots. snow
showers, possibly mixed with rain. heavy freezing spray. waves
building to 15 to 20 feet occasionally to 25 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 141501
glfls 
expires:202512142100;;572097

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun dec 14 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...

ridging builds to 30.5 inches over the lake today as the 30.8 center 
continues diving towards the ohio river valley while weakening 
slightly to 30.7 inches. a 29.9 inch trough then moves across the 
lake monday as the aforementioned high settles over the southeastern 
u.s. a weak 30.0 inch ridge then crosses lake superior monday night, 
followed by a trough of at least 29.3 inches tuesday into tuesday 
night as a 29.1 inch low crosses northern ontario. weak ridging of 
29.9 inches returns over lake superior on wednesday before a 29.1 
inch clipper low approaches the lake wednesday night. the clipper 
then traverses the lake on thursday before lifting away and 
strengthening to 29.0 inches thursday night. ridging of at least 
30.1 inches then returns over lake superior on friday.



lsz264-142100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est sun dec 14 2025

...gale warning in effect from this evening through monday
morning...

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

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 141501
glfls 
expires:202512142100;;572098

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun dec 14 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...

ridging builds to 30.5 inches over the lake today as the 30.8 center 
continues diving towards the ohio river valley while weakening 
slightly to 30.7 inches. a 29.9 inch trough then moves across the 
lake monday as the aforementioned high settles over the southeastern 
u.s. a weak 30.0 inch ridge then crosses lake superior monday night, 
followed by a trough of at least 29.3 inches tuesday into tuesday 
night as a 29.1 inch low crosses northern ontario. weak ridging of 
29.9 inches returns over lake superior on wednesday before a 29.1 
inch clipper low approaches the lake wednesday night. the clipper 
then traverses the lake on thursday before lifting away and 
strengthening to 29.0 inches thursday night. ridging of at least 
30.1 inches then returns over lake superior on friday.



lsz265-142100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est sun dec 14 2025

.rest of today...northwest winds 20 to 30 knots becoming west
15 to 25 knots by mid afternoon. freezing spray late in the
morning. a slight chance of snow showers late in the morning.
waves 5 to 8 feet occasionally to 10 feet subsiding to 2 to
4 feet. 
.tonight...southwest winds 15 to 25 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible late. a chance
of snow showers in the evening, then snow showers after midnight.
freezing spray after midnight. waves subsiding to 1 to 3 feet,
then building to 4 to 7 feet occasionally to 9 feet. 
.monday...west winds 20 to 30 knots veering northwest by late
morning, then diminishing to 15 to 25 knots by mid afternoon.
freezing spray in the morning. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.monday night...northwest winds 10 to 20 knots backing southwest
after midnight. a slight chance of snow showers in the evening.
waves subsiding to calm to 2 feet. 
.tuesday...south winds 20 to 30 knots becoming southwest gales to
35 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.tuesday night...west gales to 45 knots. waves building to 9 to
12 feet occasionally to 15 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.wednesday...northwest winds 20 to 30 knots becoming south gales
to 45 knots. a chance of rain and snow showers. waves subsiding
to 1 to 3 feet, then building to 9 to 12 feet occasionally to
15 feet. 
.thursday...south storm force winds to 60 knots veering
northwest. rain and snow showers, then a chance of snow showers.
freezing spray. waves subsiding to 7 to 10 feet occasionally to
13 feet, then building to 15 to 20 feet occasionally to 25 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 141501
glfls 
expires:202512142100;;572099

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun dec 14 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...

ridging builds to 30.5 inches over the lake today as the 30.8 center 
continues diving towards the ohio river valley while weakening 
slightly to 30.7 inches. a 29.9 inch trough then moves across the 
lake monday as the aforementioned high settles over the southeastern 
u.s. a weak 30.0 inch ridge then crosses lake superior monday night, 
followed by a trough of at least 29.3 inches tuesday into tuesday 
night as a 29.1 inch low crosses northern ontario. weak ridging of 
29.9 inches returns over lake superior on wednesday before a 29.1 
inch clipper low approaches the lake wednesday night. the clipper 
then traverses the lake on thursday before lifting away and 
strengthening to 29.0 inches thursday night. ridging of at least 
30.1 inches then returns over lake superior on friday.



lsz266-142100-
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 sun dec 14 2025

.rest of today...northwest winds 20 to 30 knots diminishing to
15 to 25 knots. freezing spray late in the morning. a chance of
snow showers. waves 7 to 10 feet occasionally to 13 feet
subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...southwest winds 15 to 25 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible. a slight chance
of snow showers in the evening, then snow showers after midnight.
freezing spray after midnight. waves subsiding to 2 to 4 feet,
then building to 7 to 10 feet occasionally to 13 feet. 
.monday...west winds 20 to 30 knots veering northwest. freezing
spray in the morning. a chance of snow showers. waves subsiding
to 3 to 6 feet occasionally to 8 feet. 
.monday night...northwest winds 10 to 20 knots backing southwest
after midnight. a slight chance of snow showers in the evening.
waves subsiding to 1 to 3 feet. 
.tuesday...south gales to 40 knots. a slight chance of snow
showers in the morning. a chance of freezing drizzle and a slight
chance of drizzle. waves building to 7 to 11 feet occasionally to
14 feet. 
.tuesday night...southwest gales to 45 knots veering west after
midnight. a chance of drizzle. a chance of snow showers after
midnight. waves building to 12 to 17 feet occasionally to
21 feet, then subsiding to 11 to 15 feet occasionally to 19 feet.
.wednesday...northwest winds 20 to 30 knots becoming south gales
to 45 knots. a chance of snow showers. rain showers likely. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
11 to 15 feet occasionally to 19 feet. 
.thursday...south storm force winds to 60 knots veering
northwest. snow showers, then a chance of snow showers. heavy
freezing spray. waves subsiding to 10 to 14 feet occasionally to
18 feet, then building to 20 to 25 feet occasionally to 31 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 141501
glfls 
expires:202512142100;;572100

open lake forecast for lake superior
national weather service marquette mi
1000 am est sun dec 14 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...

ridging builds to 30.5 inches over the lake today as the 30.8 center 
continues diving towards the ohio river valley while weakening 
slightly to 30.7 inches. a 29.9 inch trough then moves across the 
lake monday as the aforementioned high settles over the southeastern 
u.s. a weak 30.0 inch ridge then crosses lake superior monday night, 
followed by a trough of at least 29.3 inches tuesday into tuesday 
night as a 29.1 inch low crosses northern ontario. weak ridging of 
29.9 inches returns over lake superior on wednesday before a 29.1 
inch clipper low approaches the lake wednesday night. the clipper 
then traverses the lake on thursday before lifting away and 
strengthening to 29.0 inches thursday night. ridging of at least 
30.1 inches then returns over lake superior on friday.



lsz267-142100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est sun dec 14 2025

.rest of today...north winds 20 to 30 knots becoming northwest
15 to 25 knots by mid afternoon. freezing spray late in the
morning. a chance of snow showers. waves 6 to 9 feet occasionally
to 11 feet subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...west winds 15 to 25 knots becoming southwest 20 to
30 knots by midnight, then increasing to 30 knots with a few gale
force gusts to 35 knots possible late. a slight chance of snow
showers in the evening, then snow showers after midnight.
freezing spray after midnight. waves subsiding to 2 to 4 feet,
then building to 6 to 9 feet occasionally to 11 feet. 
.monday...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible becoming west 20 to 30 knots by late
morning, then veering northwest by mid afternoon. freezing spray
in the morning. snow showers. waves subsiding to 4 to 7 feet
occasionally to 9 feet. 
.monday night...northwest winds 10 to 20 knots backing southwest
after midnight. a chance of snow showers in the evening. waves
subsiding to 1 to 3 feet. 
.tuesday...south winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. a slight chance of freezing drizzle in
the morning. a chance of snow showers. a chance of drizzle in the
afternoon. waves building to 7 to 10 feet occasionally to
13 feet. 
.tuesday night...southwest gales to 40 knots veering west after
midnight. a chance of drizzle. a chance of snow showers and
freezing drizzle after midnight. waves subsiding to 6 to 9 feet
occasionally to 11 feet, then building to 12 to 17 feet
occasionally to 21 feet. 
.wednesday...northwest winds 20 to 30 knots becoming south gales
to 40 knots. a chance of snow showers. rain showers likely. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
8 to 11 feet occasionally to 14 feet. 
.thursday...south gales to 45 knots becoming northwest storm
force winds to 50 knots. rain and snow showers, then a chance of
snow showers. freezing spray. waves building to 20 to 25 feet
occasionally to 31 feet, then subsiding to 10 to 14 feet
occasionally to 18 feet. 

note, wave height forecasts are for ice free areas.

$$