fzus63 kdtx 140750
glflh 
expires:202609141600;;425830

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt mon sep 14 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...high pressure, 30.20 inches, settles in through the
day bringing relaxed flow and dry weather. low pressure, 29.40
inches, then tracks across northern ontario tuesday which
elevates wind gusts to gale force gusts across central and
northern lake huron. a gale warning is in effect there from late
tonight through tuesday afternoon.


lhz361-141600-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
350 am edt mon sep 14 2026

...gale warning in effect from late tonight through tuesday
afternoon...

.today...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less. 
.tonight...southeast winds 10 to 15 knots becoming south 20 to
25 knots with gusts to 35 knot gales. showers after midnight.
waves 1 to 3 feet building to 4 to 6 feet in the late evening and
overnight. waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and afternoon. gusts to 35 knot
gales. showers in the morning. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.tuesday night...southwest winds 10 to 15 knots veering to the
northwest by midnight...then decreasing to 5 to 10 knots after
midnight. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.wednesday...light and variable winds. a chance of showers late
in the evening. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northwest 5 to
10 knots . a chance of showers early in the morning. waves 2 feet
or less. 
.friday...north winds 5 to 10 knots until afternoon becoming
light and variable...then becoming southeast 5 to 10 knots by
midnight. a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 140750
glflh 
expires:202609141600;;425831

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt mon sep 14 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...high pressure, 30.20 inches, settles in through the
day bringing relaxed flow and dry weather. low pressure, 29.40
inches, then tracks across northern ontario tuesday which
elevates wind gusts to gale force gusts across central and
northern lake huron. a gale warning is in effect there from late
tonight through tuesday afternoon.


lhz362-363-141600-
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-
350 am edt mon sep 14 2026

...gale warning in effect from late tonight through tuesday
afternoon...

.today...northwest winds 10 to 15 knots becoming light and
variable. waves 3 to 5 feet subsiding to 1 to 3 feet in the
afternoon. 
.tonight...southeast winds 5 to 10 knots increasing to 10 to
15 knots late in the evening...then becoming south 15 to 20 knots
with gusts to around 30 knots after midnight increasing to 20 to
25 knots with gusts to 35 knot gales early in the morning. a
chance of showers after midnight. waves 2 feet or less building
to 6 to 9 feet. waves occasionally around 12 feet. 
.tuesday...south winds to 30 knots decreasing to 20 to 25 knots
early in the afternoon. gusts to 40 knot gales. a chance of
showers in the morning. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.tuesday night...southwest winds 10 to 15 knots veering to the
northwest after midnight. waves 4 to 6 feet subsiding to 2 to
4 feet after midnight. waves occasionally around 8 feet. 
.wednesday...north winds 5 to 10 knots veering to the northeast
late in the evening. a chance of showers late in the evening.
waves 2 feet or less. 
.thursday...north winds 5 to 10 knots. a chance of showers early
in the morning. waves 2 feet or less. 
.friday...north winds 5 to 10 knots veering to the northeast by
midnight. a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 140750
glflh 
expires:202609141600;;425832

open lake forecast for lake huron
national weather service detroit/pontiac mi
350 am edt mon sep 14 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...high pressure, 30.20 inches, settles in through the
day bringing relaxed flow and dry weather. low pressure, 29.40
inches, then tracks across northern ontario tuesday which
elevates wind gusts to gale force gusts across central and
northern lake huron. a gale warning is in effect there from late
tonight through tuesday afternoon.


lhz462>464-141600-
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-
350 am edt mon sep 14 2026

.today...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. waves 3 to 5 feet subsiding to 1 to
3 feet late in the afternoon. 
.tonight...light and variable winds becoming southeast 5 to
10 knots late in the evening...then becoming south 10 to 15 knots
after midnight increasing to 15 to 20 knots with gusts to around
30 knots early in the morning. waves 1 to 3 feet building to 4 to
6 feet early in the morning. waves occasionally around 8 feet. 
.tuesday...south winds 20 to 25 knots decreasing to 15 to
20 knots early in the afternoon. a chance of showers in the 
morning. waves 6 to 9 feet. waves occasionally around 12 feet.
.tuesday night...southwest winds 10 to 15 knots decreasing to
5 to 10 knots by midnight...then becoming north 10 to 15 knots
after midnight. waves 3 to 5 feet subsiding to 1 to 3 feet in the
late evening and overnight. 
.wednesday...north winds 10 to 15 knots becoming northeast 5 to
10 knots. showers likely late in the evening. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 10 knots. showers likely early
in the morning...then a chance of showers in the late morning and
early afternoon. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots. a chance of showers by
midnight. waves 2 feet or less. 


$$

fzus63 kmkx 140813
glflm 
expires:202609141530;;427405

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
313 am cdt mon sep 14 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...

north winds will remain light and variable this morning as high 
pressure around 30.3 inches moves across the lake. low pressure
around 29.3 inches then moves from southern manitoba through
northern ontario today through tuesday morning, bringing 
increasing south-southeast winds this afternoon through tonight
and southerly winds into tuesday. gales are expected tonight into
tuesday morning, and a gale warning is in effect. periods of
thunderstorms will affect the lake monday evening into tuesday as
well. winds finally shift north-northeast tuesday night into
wednesday as high pressure around 30.3 inches builds
southeastward through the upper midwest. winds remain north-
northeast through the remainder of the week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-141530-
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-
313 am cdt mon sep 14 2026

sheboygan wi to pentwater mi south...

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

.today...east winds 10 to 15 kt becoming southeast late this
morning, then increasing to 10 to 20 kt early this afternoon
increasing to 30 kt late. waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft. 
.tonight...southeast winds to 30 kt becoming south gales to
40 kt. slight chance of showers in the evening, then chance of
showers and slight chance of thunderstorms overnight. waves 6 to
9 ft occasionally to 12 ft building to 12 to 16 ft occasionally
to 21 ft. 
.tuesday...southwest gales to 35 kt diminishing to 15 to 25 kt.
chance of showers in the afternoon. waves 12 to 16 ft
occasionally to 21 ft subsiding to 5 to 8 ft occasionally to
10 ft. 
.tuesday night...northwest winds 10 to 20 kt becoming north.
chance of showers. waves 3 to 5 ft. 
.wednesday...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers. waves 3 to 5 ft. 
.wednesday night...east winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers and thunderstorms. waves 1 to 3 ft.
.thursday...northeast winds 10 to 15 kt becoming north. chance of
showers. waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt. chance of showers. waves 1 to
3 ft.  

$$

fzus63 kmkx 140813
glflm 
expires:202609141530;;427403

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
313 am cdt mon sep 14 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...

north winds will remain light and variable this morning as high 
pressure around 30.3 inches moves across the lake. low pressure
around 29.3 inches then moves from southern manitoba through
northern ontario today through tuesday morning, bringing 
increasing south-southeast winds this afternoon through tonight
and southerly winds into tuesday. gales are expected tonight into
tuesday morning, and a gale warning is in effect. periods of
thunderstorms will affect the lake monday evening into tuesday as
well. winds finally shift north-northeast tuesday night into
wednesday as high pressure around 30.3 inches builds
southeastward through the upper midwest. winds remain north-
northeast through the remainder of the week.


lmz261-362-364-563-141530-
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 rock island passage to sturgeon bay wi-
313 am cdt mon sep 14 2026

sturgeon bay wi to point betsie mi north...

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

.today...northwest winds 5 to 10 kt backing to south late this
morning, then increasing to 10 to 15 kt early this afternoon
increasing to 10 to 20 kt late. waves 1 to 2 ft building to 1 to
3 ft. 
.tonight...south winds to 30 kt increasing to gales to 40 kt.
chance of showers in the evening, then showers and slight chance
of thunderstorms overnight. waves 4 to 6 ft occasionally to 8 ft
building to 12 to 16 ft occasionally to 21 ft. 
.tuesday...south gales to 40 kt becoming west gales to 35 kt.
chance of showers in the morning. waves 12 to 16 ft occasionally
to 21 ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.tuesday night...northwest winds to 30 kt becoming north 10 to
15 kt overnight. waves 4 to 6 ft occasionally to 8 ft subsiding
to 2 to 4 ft. 
.wednesday...northeast winds 5 to 10 kt becoming east. waves 1 to
2 ft. 
.wednesday night...east winds 10 to 15 kt. chance of showers.
waves 1 ft or less. 
.thursday...northeast winds 10 to 15 kt becoming north. waves
1 ft or less. 
.friday...southeast winds 10 to 15 kt becoming south. chance of
showers. waves 1 ft or less.  

$$

fzus63 kmkx 140813
glflm 
expires:202609141530;;427404

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
313 am cdt mon sep 14 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...

north winds will remain light and variable this morning as high 
pressure around 30.3 inches moves across the lake. low pressure
around 29.3 inches then moves from southern manitoba through
northern ontario today through tuesday morning, bringing 
increasing south-southeast winds this afternoon through tonight
and southerly winds into tuesday. gales are expected tonight into
tuesday morning, and a gale warning is in effect. periods of
thunderstorms will affect the lake monday evening into tuesday as
well. winds finally shift north-northeast tuesday night into
wednesday as high pressure around 30.3 inches builds
southeastward through the upper midwest. winds remain north-
northeast through the remainder of the week.


lmz366-565-567-868-141530-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
313 am cdt mon sep 14 2026

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

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

.today...northeast winds 5 to 10 kt veering to southeast late
this morning, then becoming south 10 to 20 kt early this
afternoon increasing to 30 kt late. waves 1 to 3 ft building to
4 to 6 ft occasionally to 8 ft. 
.tonight...south gales to 35 kt increasing to gales to 40 kt.
chance of showers in the evening, then showers and slight chance
of thunderstorms overnight. waves 6 to 9 ft occasionally to 12 ft
building to 12 to 16 ft occasionally to 21 ft. 
.tuesday...southwest gales to 35 kt diminishing to 30 kt late in
the morning, then becoming southwest to 30 kt early in the
afternoon becoming west 15 to 25 kt late. chance of showers in
the morning. waves 12 to 16 ft occasionally to 21 ft subsiding to
5 to 8 ft occasionally to 10 ft. 
.tuesday night...northwest winds 10 to 20 kt veering to
northeast. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.wednesday...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft. 
.wednesday night...northeast winds 10 to 15 kt becoming east.
showers likely. waves 1 to 2 ft. 
.thursday...northeast winds 10 to 15 kt. waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt. chance of showers. waves
1 to 2 ft.  

$$

fzus63 kmkx 140222
glflm 
expires:202609140930;;413389

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
922 pm cdt sun sep 13 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...

north winds will gradually ease overnight into monday morning, as
high pressure around 30.3 inches moves across the lake. 

winds will then increase and veer to south southeast monday 
afternoon and night, becoming south into tuesday, as low pressure 
around 29.3 inches moves from southern manitoba through northern 
ontario. gales are expected monday night into tuesday morning. a 
gale warning has been issued for lake michigan.

periods of showers and thunderstorms will accompany the 
developing low from as early as monday evening into tuesday. winds
will trend north to northeast tuesday night into wednesday, as 
high pressure around 30.3 inches moves into the region. north to
northeast winds may linger into the rest of the week, as the high
slowly moves to the east of the region.


lmz366-565-567-669-671-673-675-868-870-872-874-876-140930-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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 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 pentwater to manistee mi 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-
922 pm cdt sun sep 13 2026

sturgeon bay wi to point betsie mi south to winthrop harbor il to
south haven mi...

...gale warning in effect from monday evening through early 
tuesday morning...

.rest of tonight...northwest winds 10 to 20 kt becoming north
10 to 15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday...east winds 10 to 15 kt becoming southeast late in the
morning, then becoming south 10 to 20 kt early in the afternoon
increasing to 15 to 25 kt late. waves 2 to 4 ft building to 3 to
5 ft. 
.monday night...south winds to 30 kt increasing to gales to
40 kt. chance of showers overnight. waves 4 to 7 ft occasionally
to 9 ft building to 10 to 14 ft occasionally to 18 ft. 
.tuesday...southwest gales to 35 kt diminishing to 30 kt. showers
likely in the morning, then chance of showers in the afternoon.
waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to 10 ft
occasionally to 13 ft. 
.tuesday night...northwest winds 10 to 20 kt becoming north.
chance of showers in the evening. waves 4 to 6 ft occasionally to
8 ft subsiding to 2 to 4 ft. 
.wednesday...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers. waves 3 to 5 ft. 
.wednesday night...northeast winds 10 to 20 kt becoming east
10 to 15 kt. showers likely with a chance of thunderstorms. waves
1 to 3 ft. 
.thursday...northeast winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers. waves 2 to 4 ft. 
.friday...east winds 10 to 20 kt becoming southeast. chance of
showers. waves 2 to 4 ft.  

$$

fzus63 kmqt 140807 cca
glfls 
expires:202609142000;;426726

open lake forecast for lake superior...corrected
national weather service marquette mi
407 am edt mon sep 14 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...

30.2 inch ridging over the upper great lakes remains through the 
remainder of the morning hours. a low around 29.3 inches skirts by 
lake winnipeg into northern ontario monday night into early tuesday, 
bringing 29.7 inch troughing over lake superior. 30.2 inch high 
pressure develops over the northern plains on tuesday, strengthening 
to 30.4 inches as it crosses the upper great lakes on wednesday. 
high pressure ridging of 30.2 to 30.3 inches then looks to remain 
over lake superior through the rest of the workweek. 


lsz162-142000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
407 am edt mon sep 14 2026 /307 am cdt mon sep 14 2026/

...gale warning in effect from tuesday morning through tuesday
afternoon...

.early this morning...south winds less than 10 knots. waves calm
to 2 feet. 
.today...south winds 5 to 15 knots becoming southeast 10 to
20 knots in the afternoon, then increasing to 15 to 25 knots
late. showers and a slight chance of thunderstorms by mid
afternoon. waves calm to 2 feet. 
.tonight...south winds 20 to 30 knots veering southwest late. 
showers and a slight chance of thunderstorms through midnight, then a
slight chance of showers after midnight. waves building to 4 to 7 
feet occasionally to 9 feet. 
.tuesday...west gales to 40 knots diminishing to 20 to 30 knots
late. waves building to 8 to 11 feet occasionally to 14 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet. 
.tuesday night...west winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots backing northwest
after midnight. waves calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots veering northeast.
waves calm to 2 feet. 
.friday...east winds 5 to 15 knots becoming northeast 10 to
20 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 140807 cca
glfls 
expires:202609142000;;426727

open lake forecast for lake superior...corrected
national weather service marquette mi
407 am edt mon sep 14 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...

30.2 inch ridging over the upper great lakes remains through the 
remainder of the morning hours. a low around 29.3 inches skirts by 
lake winnipeg into northern ontario monday night into early tuesday, 
bringing 29.7 inch troughing over lake superior. 30.2 inch high 
pressure develops over the northern plains on tuesday, strengthening 
to 30.4 inches as it crosses the upper great lakes on wednesday. 
high pressure ridging of 30.2 to 30.3 inches then looks to remain 
over lake superior through the rest of the workweek. 


lsz263-142000-
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-
407 am edt mon sep 14 2026

...gale warning in effect from late tonight through tuesday
evening...

.early this morning...west winds 5 to 15 knots. waves calm to
2 feet. 
.today...south winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon, then becoming southeast 15 to 25 knots late. a
chance of showers and a slight chance of thunderstorms by mid
afternoon. waves building to 1 to 3 feet. 
.tonight...south gales to 35 knots veering southwest 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. 
.tuesday...southwest gales to 45 knots veering west in the
afternoon. waves building to 10 to 14 feet occasionally to
18 feet, then subsiding to 6 to 9 feet occasionally to 11 feet. 
.tuesday night...west winds 20 to 30 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.wednesday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots backing southeast.
waves calm to 2 feet. 
.friday...south winds 5 to 15 knots becoming east 10 to 20 knots.
a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 140807 cca
glfls 
expires:202609142000;;426728

open lake forecast for lake superior...corrected
national weather service marquette mi
407 am edt mon sep 14 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...

30.2 inch ridging over the upper great lakes remains through the 
remainder of the morning hours. a low around 29.3 inches skirts by 
lake winnipeg into northern ontario monday night into early tuesday, 
bringing 29.7 inch troughing over lake superior. 30.2 inch high 
pressure develops over the northern plains on tuesday, strengthening 
to 30.4 inches as it crosses the upper great lakes on wednesday. 
high pressure ridging of 30.2 to 30.3 inches then looks to remain 
over lake superior through the rest of the workweek. 


lsz264-142000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
407 am edt mon sep 14 2026

...gale warning in effect from late tonight through tuesday
evening...

.early this morning...west winds 5 to 15 knots. waves calm to
2 feet. 
.today...southwest winds 5 to 15 knots backing south in the
afternoon, then becoming southeast 20 to 30 knots late. waves
building to 2 to 4 feet. 
.tonight...south gales to 35 knots. showers through midnight,
then a chance of showers after midnight. waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.tuesday...southwest gales to 45 knots veering west in the
afternoon. waves building to 11 to 15 feet occasionally to
19 feet, then subsiding to 8 to 11 feet occasionally to 14 feet. 
.tuesday night...west winds 20 to 30 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...north winds less than 10 knots becoming south 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.thursday...west winds 5 to 15 knots backing south. waves calm to
2 feet. 
.friday...south winds 5 to 15 knots increasing to 10 to 20 knots.
a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 140807 cca
glfls 
expires:202609142000;;426729

open lake forecast for lake superior...corrected
national weather service marquette mi
407 am edt mon sep 14 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...

30.2 inch ridging over the upper great lakes remains through the 
remainder of the morning hours. a low around 29.3 inches skirts by 
lake winnipeg into northern ontario monday night into early tuesday, 
bringing 29.7 inch troughing over lake superior. 30.2 inch high 
pressure develops over the northern plains on tuesday, strengthening 
to 30.4 inches as it crosses the upper great lakes on wednesday. 
high pressure ridging of 30.2 to 30.3 inches then looks to remain 
over lake superior through the rest of the workweek. 


lsz265-142000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
407 am edt mon sep 14 2026

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

.early this morning...west winds 10 to 20 knots. waves calm to
2 feet. 
.today...southwest winds 5 to 15 knots becoming southeast 10 to
20 knots in the afternoon, then increasing to 20 to 30 knots
late. waves building to 3 to 5 feet occasionally to 7 feet. 
.tonight...south gales to 40 knots. showers and a slight chance
of thunderstorms through midnight, then a chance of showers after
midnight. waves building to 6 to 9 feet occasionally to 11 feet,
then subsiding to 4 to 7 feet occasionally to 9 feet. 
.tuesday...southwest gales to 40 knots becoming west gales to
45 knots in the afternoon. waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 6 to 9 feet occasionally
to 11 feet. 
.tuesday night...west winds 20 to 30 knots becoming northwest
10 to 20 knots after midnight. waves subsiding to calm to 2 feet.
.wednesday...northwest winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.wednesday night...southeast winds 10 to 20 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots backing south. waves calm
to 2 feet. 
.friday...south winds 10 to 20 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 140807 cca
glfls 
expires:202609142000;;426730

open lake forecast for lake superior...corrected
national weather service marquette mi
407 am edt mon sep 14 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...

30.2 inch ridging over the upper great lakes remains through the 
remainder of the morning hours. a low around 29.3 inches skirts by 
lake winnipeg into northern ontario monday night into early tuesday, 
bringing 29.7 inch troughing over lake superior. 30.2 inch high 
pressure develops over the northern plains on tuesday, strengthening 
to 30.4 inches as it crosses the upper great lakes on wednesday. 
high pressure ridging of 30.2 to 30.3 inches then looks to remain 
over lake superior through the rest of the workweek. 


lsz266-142000-
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-
407 am edt mon sep 14 2026

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

.early this morning...northwest winds 10 to 20 knots. waves 1 to
3 feet. 
.today...west winds 5 to 15 knots backing south in the afternoon,
then becoming southeast 20 to 30 knots late. waves subsiding to
calm to 2 feet, then building to 2 to 4 feet. 
.tonight...south gales to 40 knots. showers through midnight. a
slight chance of thunderstorms. a chance of showers after
midnight. waves building to 8 to 11 feet occasionally to 14 feet.
.tuesday...southwest gales to 40 knots veering west in the
afternoon. waves subsiding to 6 to 9 feet occasionally to
11 feet, then building to 10 to 14 feet occasionally to 18 feet. 
.tuesday night...west winds 20 to 30 knots becoming northwest
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots veering east by mid
afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...southeast winds 5 to 15 knots veering
southwest after midnight. waves calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 
.friday...south winds 5 to 15 knots increasing to 10 to 20 knots.
a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 140807 cca
glfls 
expires:202609142000;;426731

open lake forecast for lake superior...corrected
national weather service marquette mi
407 am edt mon sep 14 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...

30.2 inch ridging over the upper great lakes remains through the 
remainder of the morning hours. a low around 29.3 inches skirts by 
lake winnipeg into northern ontario monday night into early tuesday, 
bringing 29.7 inch troughing over lake superior. 30.2 inch high 
pressure develops over the northern plains on tuesday, strengthening 
to 30.4 inches as it crosses the upper great lakes on wednesday. 
high pressure ridging of 30.2 to 30.3 inches then looks to remain 
over lake superior through the rest of the workweek. 


lsz267-142000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
407 am edt mon sep 14 2026

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

.early this morning...northwest winds 10 to 20 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.today...west winds 5 to 15 knots backing south in the afternoon,
then becoming southeast 10 to 20 knots late. waves subsiding to
calm to 2 feet. 
.tonight...south winds 20 to 30 knots increasing to gales to
40 knots after midnight. a chance of showers through midnight,
then showers and a slight chance of thunderstorms after midnight.
waves building to 7 to 10 feet occasionally to 13 feet. 
.tuesday...south gales to 35 knots becoming southwest 20 to
30 knots in the afternoon, then becoming west gales to 35 knots
late. a chance of showers through early afternoon. waves
subsiding to 4 to 7 feet occasionally to 9 feet, then building to
7 to 10 feet occasionally to 13 feet. 
.tuesday night...west winds 20 to 30 knots becoming northwest
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.wednesday...northwest winds 5 to 15 knots veering north by mid
afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.friday...southeast winds 5 to 15 knots veering south. a chance
of showers. waves calm to 2 feet. 

$$