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fzus63 kdtx 200255
glflh 
expires:202601201100;;189132

open lake forecast for lake huron
national weather service detroit/pontiac mi
955 pm est mon jan 19 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.


lhz361-201100-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
955 pm est mon jan 19 2026

...heavy freezing spray warning in effect through tuesday
afternoon...

.rest of tonight...west winds 20 to 25 knots. gusts to 30 knots
this evening. heavy freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tuesday...west winds 20 to 25 knots. heavy freezing spray. waves
6 to 9 feet. waves occasionally around 12 feet. 
.tuesday night...southwest winds 20 to 25 knots decreasing to
15 to 20 knots in the late evening and overnight. heavy freezing
spray in the evening. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.wednesday...south winds 10 to 15 knots. a chance of snow in the
afternoon. waves 3 to 5 feet. 
.wednesday night...west winds 10 to 15 knots increasing to 20 to
25 knots. a chance of snow in the evening. waves 4 to 6 feet
building to 6 to 9 feet after midnight. waves occasionally around
12 feet. 
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. waves 8 to 12 feet. waves occasionally around 15 feet. 
.friday...west winds 20 to 25 knots decreasing to 10 to 15 knots.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 


$$
fzus63 kdtx 200255
glflh 
expires:202601201100;;189133

open lake forecast for lake huron
national weather service detroit/pontiac mi
955 pm est mon jan 19 2026

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...active weather stretch continues this week with
several additional disturbances working through the central great
lakes. this results in very cold conditions, elevated
winds/waves, areas of heavy freezing spray, and periods of
snowfall throughout the week.


lhz362-363-462-201100-
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-
955 pm est mon jan 19 2026

.rest of tonight...west winds 20 to 25 knots. gusts to 30 knots
this evening then 30 knots early in the morning. heavy freezing
spray. waves 8 to 12 feet. waves occasionally around 15 feet. 
.tuesday...west winds 20 to 25 knots. gusts to 30 knots in the
morning. heavy freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.tuesday night...southwest winds 20 to 25 knots decreasing to
15 to 20 knots after midnight. freezing spray. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.wednesday...south winds 15 to 20 knots. freezing spray in the
morning. a chance of snow. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.wednesday night...southwest winds 20 to 25 knots. gusts to
30 knots in the late evening and overnight. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.thursday...west winds 20 to 25 knots increasing to 30 knots late
in the afternoon...then decreasing to 20 to 25 knots late in the
evening. waves 8 to 12 feet. waves occasionally around 15 feet. 
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots by midnight. waves 8 to 12 feet.
waves occasionally around 15 feet. 
.saturday...west winds 10 to 15 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet by midnight. 


$$
fzus63 kmkx 200257
glflm 
expires:202601201015;;189152

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 pm cst mon jan 19 2026

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...

winds are weakening this evening as high pressure around 30.4 
inches remains well south of the region. winds will shift 
southwesterly tuesday afternoon, as the high moves into the mid- 
atlantic. elevated waves and arriving arctic air will lead to 
areas of heavy freezing spray through tuesday morning. a heavy 
freezing spray warning remains in effect until noon cst tuesday 
for all of lake michigan.

west to southwest winds will continue into wednesday, as low 
pressure around 29.6 inches passes across the lake. winds will 
increase further and shift west to northwest wednesday night, as 
another arctic cold front crosses lake michigan. a few gale force
gusts may occur. arriving arctic air and elevated wave heights 
will support additional periods of moderate to potentially heavy 
freezing spray wednesday night into thursday. 

winds will turn north to northwest friday, as strong high 
pressure around 30.8 inches builds into the northern great plains.


lmz261-362-364-366-563-565-567-868-201015-
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-
857 pm cst mon jan 19 2026

sheboygan wi to pentwater mi north...

...heavy freezing spray warning in effect through tuesday
morning...

.rest of tonight...west winds to 30 kt. heavy freezing spray.
slight chance of snow showers. waves 7 to 10 ft occasionally to
13 ft. 
.tuesday...west winds to 30 kt. heavy freezing spray. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.tuesday night...west winds 15 to 25 kt diminishing to 10 to
20 kt. chance of snow in the evening, then snow overnight. waves
4 to 6 ft occasionally to 8 ft. 
.wednesday...west winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 4 to 6 ft occasionally to 8 ft building to
4 to 7 ft occasionally to 9 ft. 
.wednesday night...west winds to 30 kt. chance of snow in the
evening. freezing spray. waves 6 to 9 ft occasionally to 12 ft. 
.thursday...west winds to 30 kt. heavy freezing spray. waves 7 to
10 ft occasionally to 13 ft. 
.thursday night...west gales to 35 kt becoming northwest. heavy
freezing spray. waves 7 to 10 ft occasionally to 13 ft.
.friday...northwest winds to 30 kt. heavy freezing spray. waves
6 to 9 ft occasionally to 12 ft. 
.saturday...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft.  

$$
fzus63 kmkx 200257
glflm 
expires:202601201015;;189153

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 pm cst mon jan 19 2026

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...

winds are weakening this evening as high pressure around 30.4 
inches remains well south of the region. winds will shift 
southwesterly tuesday afternoon, as the high moves into the mid- 
atlantic. elevated waves and arriving arctic air will lead to 
areas of heavy freezing spray through tuesday morning. a heavy 
freezing spray warning remains in effect until noon cst tuesday 
for all of lake michigan.

west to southwest winds will continue into wednesday, as low 
pressure around 29.6 inches passes across the lake. winds will 
increase further and shift west to northwest wednesday night, as 
another arctic cold front crosses lake michigan. a few gale force
gusts may occur. arriving arctic air and elevated wave heights 
will support additional periods of moderate to potentially heavy 
freezing spray wednesday night into thursday. 

winds will turn north to northwest friday, as strong high 
pressure around 30.8 inches builds into the northern great plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-201015-
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-
857 pm cst mon jan 19 2026

sheboygan wi to pentwater mi south...

...heavy freezing spray warning in effect through tuesday
morning...

.rest of tonight...west winds to 30 kt. heavy freezing spray.
chance of snow showers. waves 8 to 12 ft occasionally to 16 ft
subsiding to 8 to 11 ft occasionally to 14 ft. 
.tuesday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
chance of snow showers in the morning. heavy freezing spray in
the morning, then freezing spray in the afternoon. waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tuesday night...southwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow in the evening, then snow overnight. waves
4 to 7 ft occasionally to 9 ft. 
.wednesday...west winds 15 to 25 kt increasing to 30 kt. chance
of snow. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday night...west winds to 30 kt. chance of snow in the
evening. freezing spray overnight. waves 7 to 10 ft occasionally
to 13 ft building to 8 to 11 ft occasionally to 14 ft. 
.thursday...west winds to 30 kt. freezing spray. chance of snow
in the afternoon. waves 8 to 11 ft occasionally to 14 ft. 
.thursday night...west gales to 35 kt becoming northwest to
30 kt. heavy freezing spray. waves 8 to 11 ft occasionally to
14 ft. 
.friday...northwest winds to 30 kt. heavy freezing spray. chance
of snow. waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.saturday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft.  

$$
fzus63 kmqt 200301
glfls 
expires:202601200900;;189357

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon jan 19 2026

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...

thhrough tonight and tuesday morning, lake superior will be between 
a 30.5 inch high over the lower mississippi valley and a 29.7 inch 
low over hudson bay. by tuesday night, the high will shift over the 
virginias at 30.6 inches while the low remains stationary. 
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly 
moving over lake michigan by wednesday morning. by midday wednesday, 
the low will move over the michigan lower peninsula at 29.9 inches 
as a weak 30.0 inch ridge fills over the upper mississippi valley 
while the hudson low extends a 29.9 inch front over the dakotas. the 
front and remnant low from the lower peninsula will consolidate into 
a 29.7 inch low over northeastern ontario wednesday night before 
shifting to quebec thursday morning. in the wake of the low, 31.0 
inch high pressure will be over saskatchewan, shifting over the 
dakotas friday and overspreading the upper midwest at around 30.7 
inches saturday.



lsz162-200900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est mon jan 19 2026 /900 pm cst mon jan 19 2026/

...heavy freezing spray warning in effect until 11 pm est /10 pm
cst/ this evening...

.rest of tonight...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight, then backing west late. heavy
freezing spray late in the evening. a chance of snow showers.
waves 5 to 8 feet occasionally to 10 feet subsiding to 3 to
6 feet occasionally to 8 feet. 
.tuesday...west winds 15 to 25 knots. a slight chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...west winds 10 to 20 knots. a chance of snow
showers. waves subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots. a chance of snow showers.
waves building to 1 to 3 feet. 
.wednesday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.thursday...northwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 
.saturday...west winds 10 to 20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 200301
glfls 
expires:202601200900;;189358

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon jan 19 2026

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...

thhrough tonight and tuesday morning, lake superior will be between 
a 30.5 inch high over the lower mississippi valley and a 29.7 inch 
low over hudson bay. by tuesday night, the high will shift over the 
virginias at 30.6 inches while the low remains stationary. 
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly 
moving over lake michigan by wednesday morning. by midday wednesday, 
the low will move over the michigan lower peninsula at 29.9 inches 
as a weak 30.0 inch ridge fills over the upper mississippi valley 
while the hudson low extends a 29.9 inch front over the dakotas. the 
front and remnant low from the lower peninsula will consolidate into 
a 29.7 inch low over northeastern ontario wednesday night before 
shifting to quebec thursday morning. in the wake of the low, 31.0 
inch high pressure will be over saskatchewan, shifting over the 
dakotas friday and overspreading the upper midwest at around 30.7 
inches saturday.



lsz263-200900-
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 pm est mon jan 19 2026

...heavy freezing spray warning in effect through tuesday
evening...

.rest of tonight...northwest winds 15 to 25 knots. heavy freezing
spray. snow showers likely. waves 7 to 10 feet occasionally to
13 feet subsiding to 5 to 8 feet occasionally to 10 feet. 
.tuesday...west winds 15 to 25 knots. heavy freezing spray. a
chance of snow showers. waves building to 5 to 9 feet
occasionally to 11 feet. 
.tuesday night...west winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. heavy freezing spray in the evening. a
chance of snow showers. waves subsiding to 2 to 4 feet. 
.wednesday...west winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...northwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. a slight chance of snow showers in
the evening. heavy freezing spray after midnight. waves building
to 5 to 8 feet occasionally to 10 feet. 
.thursday...northwest winds 20 to 30 knots. heavy freezing spray.
waves building to 5 to 9 feet occasionally to 11 feet. 
.thursday night...northwest winds 20 to 30 knots. heavy freezing
spray. waves building to 5 to 9 feet occasionally to 11 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. waves subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 200301
glfls 
expires:202601200900;;189359

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon jan 19 2026

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...

thhrough tonight and tuesday morning, lake superior will be between 
a 30.5 inch high over the lower mississippi valley and a 29.7 inch 
low over hudson bay. by tuesday night, the high will shift over the 
virginias at 30.6 inches while the low remains stationary. 
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly 
moving over lake michigan by wednesday morning. by midday wednesday, 
the low will move over the michigan lower peninsula at 29.9 inches 
as a weak 30.0 inch ridge fills over the upper mississippi valley 
while the hudson low extends a 29.9 inch front over the dakotas. the 
front and remnant low from the lower peninsula will consolidate into 
a 29.7 inch low over northeastern ontario wednesday night before 
shifting to quebec thursday morning. in the wake of the low, 31.0 
inch high pressure will be over saskatchewan, shifting over the 
dakotas friday and overspreading the upper midwest at around 30.7 
inches saturday.



lsz264-200900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est mon jan 19 2026

...heavy freezing spray warning in effect through tuesday
evening...

.rest of tonight...northwest winds 15 to 25 knots. heavy freezing
spray. snow showers likely. waves 6 to 9 feet occasionally to
11 feet building to 7 to 10 feet occasionally to 13 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet. 
.tuesday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. heavy freezing spray. a chance of snow showers.
waves building to 5 to 9 feet occasionally to 11 feet. 
.tuesday night...west winds 15 to 25 knots becoming northwest
10 to 20 knots late. freezing spray in the evening. a slight
chance of snow showers. waves subsiding to 2 to 4 feet. 
.wednesday...northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.wednesday night...northwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. a slight chance of snow showers.
heavy freezing spray after midnight. waves building to 5 to
8 feet occasionally to 10 feet. 
.thursday...northwest winds 20 to 30 knots. heavy freezing spray.
a chance of snow showers. waves building to 5 to 9 feet
occasionally to 11 feet. 
.thursday night...northwest winds 20 to 30 knots increasing to
gales to 35 knots after midnight. heavy freezing spray. a chance
of snow showers. waves building to 7 to 10 feet occasionally to
13 feet. 
.friday...northwest gales to 35 knots diminishing to 15 to
25 knots. heavy freezing spray. waves subsiding to 2 to 4 feet. 
.saturday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 200301
glfls 
expires:202601200900;;189360

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon jan 19 2026

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...

thhrough tonight and tuesday morning, lake superior will be between 
a 30.5 inch high over the lower mississippi valley and a 29.7 inch 
low over hudson bay. by tuesday night, the high will shift over the 
virginias at 30.6 inches while the low remains stationary. 
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly 
moving over lake michigan by wednesday morning. by midday wednesday, 
the low will move over the michigan lower peninsula at 29.9 inches 
as a weak 30.0 inch ridge fills over the upper mississippi valley 
while the hudson low extends a 29.9 inch front over the dakotas. the 
front and remnant low from the lower peninsula will consolidate into 
a 29.7 inch low over northeastern ontario wednesday night before 
shifting to quebec thursday morning. in the wake of the low, 31.0 
inch high pressure will be over saskatchewan, shifting over the 
dakotas friday and overspreading the upper midwest at around 30.7 
inches saturday.



lsz265-200900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est mon jan 19 2026

...heavy freezing spray warning in effect through tuesday
evening...

.rest of tonight...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots by
midnight. heavy freezing spray. a chance of snow showers. waves
6 to 9 feet occasionally to 11 feet subsiding to 4 to 7 feet
occasionally to 9 feet. 
.tuesday...west winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots by mid afternoon.
heavy freezing spray. a chance of snow showers. waves building to
4 to 8 feet occasionally to 10 feet. 
.tuesday night...west winds to 30 knots with a few gale force
gusts to 35 knots possible becoming southwest 20 to 30 knots by
midnight, then becoming west 15 to 25 knots late. a slight chance
of snow showers. waves subsiding to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots veering west in the
afternoon. a chance of snow showers. waves subsiding to calm to
2 feet, then building to 2 to 4 feet. 
.wednesday night...west winds 20 to 30 knots becoming northwest
gales to 35 knots after midnight. a chance of snow showers. heavy
freezing spray after midnight. waves building to 6 to 9 feet
occasionally to 11 feet. 
.thursday...west gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves 6 to 9 feet occasionally to
11 feet. 
.thursday night...northwest gales to 40 knots. heavy freezing
spray. a chance of snow showers. waves building to 7 to 10 feet
occasionally to 13 feet. 
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...west winds 15 to 25 knots. waves subsiding to calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 200301
glfls 
expires:202601200900;;189361

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon jan 19 2026

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...

thhrough tonight and tuesday morning, lake superior will be between 
a 30.5 inch high over the lower mississippi valley and a 29.7 inch 
low over hudson bay. by tuesday night, the high will shift over the 
virginias at 30.6 inches while the low remains stationary. 
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly 
moving over lake michigan by wednesday morning. by midday wednesday, 
the low will move over the michigan lower peninsula at 29.9 inches 
as a weak 30.0 inch ridge fills over the upper mississippi valley 
while the hudson low extends a 29.9 inch front over the dakotas. the 
front and remnant low from the lower peninsula will consolidate into 
a 29.7 inch low over northeastern ontario wednesday night before 
shifting to quebec thursday morning. in the wake of the low, 31.0 
inch high pressure will be over saskatchewan, shifting over the 
dakotas friday and overspreading the upper midwest at around 30.7 
inches saturday.



lsz266-200900-
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 pm est mon jan 19 2026

...heavy freezing spray warning in effect through tuesday
evening...

.rest of tonight...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots by
midnight. heavy freezing spray. snow showers. waves 10 to 14 feet
occasionally to 18 feet subsiding to 8 to 11 feet occasionally to
14 feet. 
.tuesday...west winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots by mid afternoon.
heavy freezing spray. snow showers likely in the morning. a
chance of snow showers in the afternoon. waves subsiding to 7 to
10 feet occasionally to 13 feet, then building to 8 to 11 feet
occasionally to 14 feet. 
.tuesday night...west winds 20 to 30 knots diminishing to 15 to
25 knots late. heavy freezing spray. a chance of snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday...southwest winds 10 to 20 knots becoming west 15 to
25 knots in the afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...west winds 20 to 30 knots becoming northwest
gales to 35 knots after midnight. heavy freezing spray. snow
showers likely in the evening. a chance of snow showers after
midnight. waves building to 8 to 11 feet occasionally to 14 feet.
.thursday...northwest gales to 35 knots. heavy freezing spray.
snow showers likely. waves building to 10 to 14 feet occasionally
to 18 feet. 
.thursday night...northwest gales to 40 knots. 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. 
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.saturday...northwest winds 15 to 25 knots backing west. heavy
freezing spray. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$
fzus63 kmqt 200301
glfls 
expires:202601200900;;189362

open lake forecast for lake superior
national weather service marquette mi
1000 pm est mon jan 19 2026

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...

thhrough tonight and tuesday morning, lake superior will be between 
a 30.5 inch high over the lower mississippi valley and a 29.7 inch 
low over hudson bay. by tuesday night, the high will shift over the 
virginias at 30.6 inches while the low remains stationary. 
meanwhile, a 30.0 inch low forms over the ok panhandle, quickly 
moving over lake michigan by wednesday morning. by midday wednesday, 
the low will move over the michigan lower peninsula at 29.9 inches 
as a weak 30.0 inch ridge fills over the upper mississippi valley 
while the hudson low extends a 29.9 inch front over the dakotas. the 
front and remnant low from the lower peninsula will consolidate into 
a 29.7 inch low over northeastern ontario wednesday night before 
shifting to quebec thursday morning. in the wake of the low, 31.0 
inch high pressure will be over saskatchewan, shifting over the 
dakotas friday and overspreading the upper midwest at around 30.7 
inches saturday.



lsz267-200900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est mon jan 19 2026

...heavy freezing spray warning in effect through late tuesday
night...

.rest of tonight...northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight. heavy freezing spray. snow showers.
waves 9 to 12 feet occasionally to 15 feet subsiding to 8 to
11 feet occasionally to 14 feet. 
.tuesday...west winds 15 to 25 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible. heavy freezing
spray. snow showers. waves subsiding to 7 to 10 feet occasionally
to 13 feet, then building to 9 to 12 feet occasionally to
15 feet. 
.tuesday night...southwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 15 to 25 knots
late. heavy freezing spray. a chance of snow showers. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.wednesday...southwest winds 15 to 25 knots. a chance of snow
showers in the morning, then snow showers likely in the
afternoon. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.wednesday night...west winds 20 to 30 knots becoming northwest
gales to 35 knots after midnight. heavy freezing spray. snow
showers likely in the evening. a chance of snow showers after
midnight. waves building to 8 to 11 feet occasionally to 14 feet.
.thursday...northwest gales to 35 knots backing west in the
afternoon. heavy freezing spray. snow showers likely. waves
building to 10 to 14 feet occasionally to 18 feet. 
.thursday night...northwest gales to 35 knots. heavy freezing
spray. snow showers likely in the evening. a chance of snow
showers after midnight. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. heavy freezing spray. a chance of snow showers. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.saturday...northwest winds 10 to 20 knots increasing to 15 to
25 knots. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$
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