fzus63 kdtx 281951
glflh 
expires:202610290400;;873434

open lake forecast for lake huron
national weather service detroit/pontiac mi
351 pm edt wed oct 28 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...a slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes tonight will drag
a cold front through the central great lakes tomorrow. scattered
light showers are possible. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron thursday evening and night.


lhz361-362-290400-
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-
351 pm edt wed oct 28 2026

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots early in the morning. a
chance of showers after midnight. waves 2 to 4 feet building to
3 to 5 feet after midnight. 
.thursday...southwest winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the afternoon...
then becoming west 15 to 20 knots late in the afternoon. a chance
of showers in the morning. waves 3 to 5 feet. 
.thursday night...northwest winds 15 to 20 knots. waves 4 to
6 feet. waves occasionally around 8 feet. 
.friday...northwest winds 15 to 20 knots becoming west 10 to
15 knots early in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.friday night...west winds 10 to 15 knots becoming light and
variable. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.saturday...light and variable winds becoming southeast 5 to
10 knots late in the afternoon...then becoming light and variable
late in the evening. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 
.monday...light and variable winds becoming south 5 to 10 knots
in the late morning and early afternoon...then backing to the
southeast . waves 2 feet or less. 


$$

fzus63 kdtx 281951
glflh 
expires:202610290400;;873435

open lake forecast for lake huron
national weather service detroit/pontiac mi
351 pm edt wed oct 28 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...a slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes tonight will drag
a cold front through the central great lakes tomorrow. scattered
light showers are possible. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron thursday evening and night.


lhz363-290400-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
351 pm edt wed oct 28 2026

.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots with gusts to 25 knots early in the morning. waves 1 to 
3 feet building to 3 to 5 feet early in the morning. 
.thursday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots late in the afternoon.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots in the late evening and overnight. waves 3 to
5 feet. 
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet subsiding to 2 to 4 feet early in the
afternoon. 
.friday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.saturday...light and variable winds becoming south 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming south 5 to 10 knots
by midnight. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots backing to the southeast
early in the evening...then increasing to 10 to 15 knots by
midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 281951
glflh 
expires:202610290400;;873436

open lake forecast for lake huron
national weather service detroit/pontiac mi
351 pm edt wed oct 28 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...a slowly deepening area of low pressure (29.50 inches)
tracking just north of the northern great lakes tonight will drag
a cold front through the central great lakes tomorrow. scattered
light showers are possible. brisk cold air behind the front will
support northwest gusts of 25 to 30 knots over northern lake
huron thursday evening and night.


lhz462>464-290400-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
351 pm edt wed oct 28 2026

.tonight...south winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the afternoon. a chance of showers. waves 2 to
4 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots in the late evening and overnight. waves 2 to
4 feet building to 3 to 5 feet in the late evening and overnight.
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet subsiding to 1 to 3 feet early in the
afternoon. 
.friday night...light and variable winds. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots veering to the southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming south 5 to 10 knots
by midnight. waves 2 feet or less. 
.monday...south winds 5 to 10 knots becoming southeast 10 to
15 knots by midnight. waves 2 feet or less. 


$$

fzus63 kmkx 281932
glflm 
expires:202610290315;;873203

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt wed oct 28 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...

low pressure of 29.9 inches will move northeast over lake
superior tonight and to james bay by dawn on thursday, deepening
to 29.5 inches. as the low travels northeast, it is expected to
drag a cold front over the upper great lakes region. breezy
southerly winds are expected to increase this evening as a
tighter pressure gradient moves over the lake. winds will become
southwesterly with time tonight, and gusts will come within a
few knots of gale force over the northern third of lake
michigan. a few gusts to gale force can't be ruled out. some
thunderstorms will also be possible tonight, mainly over the
southern half of the lake. 

the cold front will pass over the lake during the post- dawn 
hours of the morning thursday, bringing winds around to 
northwesterly. winds are expected to ease in strength following
the frontal passage but will remain modestly breezy with gusts
to 20 knots through thursday into thursday night.


lmz080-669-671-673-675-777-779-870-872-874-876-878-290315-
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-
232 pm cdt wed oct 28 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 15 to 25 kt becoming southwest to 30 kt.
chance of showers and slight chance of thunderstorms overnight.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 
.thursday...southwest winds 15 to 25 kt becoming northwest 10 to
20 kt. slight chance of showers and thunderstorms in the morning,
then chance of showers in the afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.thursday night...northwest winds 10 to 20 kt becoming north
10 to 15 kt. waves 3 to 5 ft. 
.friday...northeast winds 5 to 10 kt. waves 2 to 4 ft subsiding
to 1 to 3 ft. 
.friday night...east winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...southeast winds 10 to 20 kt. chance of showers. waves
2 to 4 ft. 
.saturday night...southeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt. waves 1 to 2 ft. 
.monday...southeast winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 281932
glflm 
expires:202610290315;;873202

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt wed oct 28 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...

low pressure of 29.9 inches will move northeast over lake
superior tonight and to james bay by dawn on thursday, deepening
to 29.5 inches. as the low travels northeast, it is expected to
drag a cold front over the upper great lakes region. breezy
southerly winds are expected to increase this evening as a
tighter pressure gradient moves over the lake. winds will become
southwesterly with time tonight, and gusts will come within a
few knots of gale force over the northern third of lake
michigan. a few gusts to gale force can't be ruled out. some
thunderstorms will also be possible tonight, mainly over the
southern half of the lake. 

the cold front will pass over the lake during the post- dawn 
hours of the morning thursday, bringing winds around to 
northwesterly. winds are expected to ease in strength following
the frontal passage but will remain modestly breezy with gusts
to 20 knots through thursday into thursday night.


lmz261-362-364-366-563-565-567-868-290315-
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-
232 pm cdt wed oct 28 2026

sheboygan wi to pentwater mi north...

.tonight...south winds to 30 kt becoming southwest. chance of
showers and slight chance of thunderstorms overnight. waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft. 
.thursday...west winds to 30 kt diminishing to 10 to 20 kt late
in the morning, then becoming northwest early in the afternoon
becoming northwest 10 to 20 kt late. waves 4 to 7 ft occasionally
to 9 ft subsiding to 2 to 4 ft. 
.thursday night...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 3 to 5 ft. 
.friday...northwest winds 10 to 20 kt. waves 1 to 3 ft subsiding
to 1 to 2 ft. 
.friday night...southwest winds 10 to 15 kt backing to east.
waves 1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt. waves 2 to 4 ft. 
.saturday night...southeast winds 5 to 10 kt. waves 2 to 4 ft. 
.sunday...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.monday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.  

$$

fzus63 kmqt 282001
glfls 
expires:202610290800;;873673

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed oct 28 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...

this evening, lake superior is between a 29.8 inch low along the 
ontario/manitoba line and a 30.4 inch high over cape cod. throughout 
the overnight into thursday morning, the low will cross northern 
ontario, deepening to 29.6 inches. this low will deepen further to 
29.5 inches thursday afternoon over quebec as 30.2 inch ridging 
fills over the northern plains. as the low departs to the northeast 
by friday morning, high pressure over elongates from lake michigan 
to the canadian rockies at between 30.3 and 30.4 inches. friday 
night into saturday, the high settles over the great lakes at 30.4 
inches. the high builds to 30.5 inches over new england saturday 
night, weakening through sunday, reaching 30.3 inches monday 
morning. meanwhile, a 29.5 inch colorado low develops, which will 
approach the upper great lakes early next week.




lsz266-290800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm edt wed oct 28 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...south winds 20 to 30 knots veering west late. showers
and a slight chance of thunderstorms through midnight, then a
chance of showers after midnight. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
35 knots possible. waves building to 7 to 11 feet occasionally to
14 feet. 
.thursday night...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 15 to 25 knots.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. a chance of showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202610290800;;873674

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed oct 28 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...

this evening, lake superior is between a 29.8 inch low along the 
ontario/manitoba line and a 30.4 inch high over cape cod. throughout 
the overnight into thursday morning, the low will cross northern 
ontario, deepening to 29.6 inches. this low will deepen further to 
29.5 inches thursday afternoon over quebec as 30.2 inch ridging 
fills over the northern plains. as the low departs to the northeast 
by friday morning, high pressure over elongates from lake michigan 
to the canadian rockies at between 30.3 and 30.4 inches. friday 
night into saturday, the high settles over the great lakes at 30.4 
inches. the high builds to 30.5 inches over new england saturday 
night, weakening through sunday, reaching 30.3 inches monday 
morning. meanwhile, a 29.5 inch colorado low develops, which will 
approach the upper great lakes early next week.




lsz267-290800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt wed oct 28 2026

.late this afternoon...south winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...south winds 15 to 25 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible after midnight, then
veering west late. a chance of showers and a slight chance of
thunderstorms. waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
40 knots possible veering northwest late. waves building to 8 to
11 feet occasionally to 14 feet. 
.thursday night...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots
after midnight. a slight chance of showers through midnight.
waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots. waves subsiding to 2 to
4 feet. 
.friday night...northwest winds 5 to 15 knots backing southwest
after midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202610290800;;873669

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed oct 28 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...

this evening, lake superior is between a 29.8 inch low along the 
ontario/manitoba line and a 30.4 inch high over cape cod. throughout 
the overnight into thursday morning, the low will cross northern 
ontario, deepening to 29.6 inches. this low will deepen further to 
29.5 inches thursday afternoon over quebec as 30.2 inch ridging 
fills over the northern plains. as the low departs to the northeast 
by friday morning, high pressure over elongates from lake michigan 
to the canadian rockies at between 30.3 and 30.4 inches. friday 
night into saturday, the high settles over the great lakes at 30.4 
inches. the high builds to 30.5 inches over new england saturday 
night, weakening through sunday, reaching 30.3 inches monday 
morning. meanwhile, a 29.5 inch colorado low develops, which will 
approach the upper great lakes early next week.




lsz162-290800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt wed oct 28 2026 /300 pm cdt wed oct 28 2026/

.late this afternoon...east winds 5 to 15 knots. showers likely
and a slight chance of thunderstorms. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots becoming west 10 to 20 knots
after midnight, then increasing to 20 to 30 knots late. showers
and a slight chance of thunderstorms through midnight. waves
building to 3 to 5 feet occasionally to 7 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots late. waves building to 3 to 6 feet occasionally to
8 feet. 
.thursday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight, then backing west late. waves
subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.friday night...west winds less than 10 knots backing east after
midnight. waves calm to 2 feet. 
.saturday...east winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.saturday night...east winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots backing east. waves
calm to 2 feet. 
.monday...east winds 10 to 20 knots. a chance of showers. waves
building to 1 to 3 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202610290800;;873670

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed oct 28 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...

this evening, lake superior is between a 29.8 inch low along the 
ontario/manitoba line and a 30.4 inch high over cape cod. throughout 
the overnight into thursday morning, the low will cross northern 
ontario, deepening to 29.6 inches. this low will deepen further to 
29.5 inches thursday afternoon over quebec as 30.2 inch ridging 
fills over the northern plains. as the low departs to the northeast 
by friday morning, high pressure over elongates from lake michigan 
to the canadian rockies at between 30.3 and 30.4 inches. friday 
night into saturday, the high settles over the great lakes at 30.4 
inches. the high builds to 30.5 inches over new england saturday 
night, weakening through sunday, reaching 30.3 inches monday 
morning. meanwhile, a 29.5 inch colorado low develops, which will 
approach the upper great lakes early next week.




lsz263-290800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm edt wed oct 28 2026

.late this afternoon...east winds 5 to 15 knots. a chance of
showers and a slight chance of thunderstorms. waves calm to
2 feet. 
.tonight...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. showers and a slight chance of
thunderstorms through midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 4 to
8 feet occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
5 to 15 knots. waves subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.friday night...west winds 5 to 15 knots becoming south less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds less than 10 knots. waves calm to 2 feet.
.saturday night...south winds less than 10 knots. waves calm to
2 feet. 
.sunday...southwest winds less than 10 knots backing south. waves
calm to 2 feet. 
.monday...east winds 5 to 15 knots veering southeast. a chance of
showers. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202610290800;;873671

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed oct 28 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...

this evening, lake superior is between a 29.8 inch low along the 
ontario/manitoba line and a 30.4 inch high over cape cod. throughout 
the overnight into thursday morning, the low will cross northern 
ontario, deepening to 29.6 inches. this low will deepen further to 
29.5 inches thursday afternoon over quebec as 30.2 inch ridging 
fills over the northern plains. as the low departs to the northeast 
by friday morning, high pressure over elongates from lake michigan 
to the canadian rockies at between 30.3 and 30.4 inches. friday 
night into saturday, the high settles over the great lakes at 30.4 
inches. the high builds to 30.5 inches over new england saturday 
night, weakening through sunday, reaching 30.3 inches monday 
morning. meanwhile, a 29.5 inch colorado low develops, which will 
approach the upper great lakes early next week.




lsz264-290800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt wed oct 28 2026

.late this afternoon...southeast winds 5 to 15 knots. a slight
chance of showers. waves calm to 2 feet. 
.tonight...south winds 10 to 20 knots becoming west 15 to
25 knots after midnight. showers and a slight chance of
thunderstorms through midnight, then a slight chance of showers
after midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots. waves calm to
2 feet. 
.saturday night...south winds less than 10 knots veering
southwest after midnight. waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots. waves calm to
2 feet. 
.monday...southeast winds 5 to 15 knots. a chance of showers.
waves building to 1 to 3 feet. 

$$

fzus63 kmqt 282001
glfls 
expires:202610290800;;873672

open lake forecast for lake superior
national weather service marquette mi
400 pm edt wed oct 28 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...

this evening, lake superior is between a 29.8 inch low along the 
ontario/manitoba line and a 30.4 inch high over cape cod. throughout 
the overnight into thursday morning, the low will cross northern 
ontario, deepening to 29.6 inches. this low will deepen further to 
29.5 inches thursday afternoon over quebec as 30.2 inch ridging 
fills over the northern plains. as the low departs to the northeast 
by friday morning, high pressure over elongates from lake michigan 
to the canadian rockies at between 30.3 and 30.4 inches. friday 
night into saturday, the high settles over the great lakes at 30.4 
inches. the high builds to 30.5 inches over new england saturday 
night, weakening through sunday, reaching 30.3 inches monday 
morning. meanwhile, a 29.5 inch colorado low develops, which will 
approach the upper great lakes early next week.




lsz265-290800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt wed oct 28 2026

.late this afternoon...southeast winds 10 to 20 knots. a slight
chance of showers. waves calm to 2 feet. 
.tonight...south winds 15 to 25 knots becoming southwest 20 to
30 knots after midnight, then becoming west to 30 knots with a
few gale force gusts to 35 knots possible late. showers and a
slight chance of thunderstorms through midnight, then a slight
chance of showers after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
40 knots possible. waves building to 5 to 8 feet occasionally to
10 feet. 
.thursday night...northwest winds 20 to 30 knots. waves subsiding
to 2 to 4 feet. 
.friday...northwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing southeast by
mid afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.monday...southeast winds 5 to 15 knots increasing to 15 to
25 knots. a chance of showers. waves building to 1 to 3 feet. 

$$