fzus61 kbuf 011402
glflo 
expires:202609012100;;721550

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue sep 1 2026

for waters beyond five nautical miles of shore on lake ontario

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 frontal boundary will remain stalled near the lake 
through this evening before moving northeast across the lake as a 
warm front late tonight through wednesday morning. the front will 
then settle back south across the lake thursday. a 30.1 inch high 
over northwest ontario province friday will settle south into the 
lower great lakes saturday through sunday.


loz063>065-012100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt tue sep 1 2026

.rest of today...southeast winds 10 knots or less becoming
northeast. a chance of showers late this morning. waves 1 foot or
less. 
.tonight...light and variable winds becoming south 5 to 10 knots.
patchy fog after midnight. waves 1 foot or less. 
.wednesday...southeast winds 5 to 15 knots becoming south. a
chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon. waves 2 feet or less.
.wednesday night...south winds 10 to 15 knots becoming southwest.
showers with thunderstorms likely. waves 2 feet or less. 
.thursday...west winds 5 to 10 knots becoming northwest. showers
likely during the day. waves 1 to 2 feet. 
.friday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 
.saturday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 011402
glflo 
expires:202609012100;;721549

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue sep 1 2026

for waters beyond five nautical miles of shore on lake ontario

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 frontal boundary will remain stalled near the lake 
through this evening before moving northeast across the lake as a 
warm front late tonight through wednesday morning. the front will 
then settle back south across the lake thursday. a 30.1 inch high 
over northwest ontario province friday will settle south into the 
lower great lakes saturday through sunday.


loz062-012100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt tue sep 1 2026

.rest of today...southwest winds 10 knots or less becoming north.
waves 1 foot or less. 
.tonight...light and variable winds becoming southeast 5 to
10 knots. patchy fog late. a chance of showers and thunderstorms
late. waves 1 foot or less. 
.wednesday...southeast winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon. waves 1 foot or less.
.wednesday night...southwest winds 5 to 10 knots becoming west.
showers with thunderstorms likely. waves 1 foot or less. 
.thursday...west winds 5 to 10 knots becoming northwest. showers
with a chance of thunderstorms during the day. waves 1 foot or
less. 
.friday...northwest winds 10 knots or less becoming north. waves
1 foot or less. 
.saturday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 011344
glfle 
expires:202609012015;;720911

open lake forecast for lake erie
national weather service cleveland oh
944 am edt tue sep 1 2026

for waters beyond five nautical miles of shore on lake erie

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 stationary front north-east of lake erie will move little as 
high pressure of 30.10 inches remains entrenched to the south. 
low pressure 29.70 inches will move east across the upper great 
lakes on wednesday, extending a cold front through the area on 
thursday. this front will linger south of lake erie on friday as 
high pressure ridge 30.10 inches build in from the north.


lez061-167>169-012015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
944 am edt tue sep 1 2026

.this afternoon...southwest winds 5 to 15 knots becoming west. a
slight chance of showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.tonight...southwest winds 5 to 10 knots. a chance of
thunderstorms with a slight chance of showers after midnight. a
chance of showers and thunderstorms late. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms in the morning. waves 1 to 2 feet. 
.wednesday night...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms. waves 1 to 3 feet. 
.thursday...west winds 10 knots or less becoming north. a chance
of showers. waves 2 feet or less. 
.friday...north winds 10 knots or less becoming northeast. waves
2 feet or less. 
.saturday...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 011344
glfle 
expires:202609012015;;720909

open lake forecast for lake erie
national weather service cleveland oh
944 am edt tue sep 1 2026

for waters beyond five nautical miles of shore on lake erie

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 stationary front north-east of lake erie will move little as 
high pressure of 30.10 inches remains entrenched to the south. 
low pressure 29.70 inches will move east across the upper great 
lakes on wednesday, extending a cold front through the area on 
thursday. this front will linger south of lake erie on friday as 
high pressure ridge 30.10 inches build in from the north.


lez162-163-012015-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
944 am edt tue sep 1 2026

.this afternoon...southwest winds 5 to 10 knots. waves 2 feet or
less. 
.tonight...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms early. a chance of showers with a
slight chance of thunderstorms late. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. waves 1 foot or less.
.wednesday night...southwest winds around 10 knots. a chance of
showers overnight. waves around 1 foot. 
.thursday...west winds 10 knots or less becoming east. a chance
of showers and thunderstorms. waves 1 foot or less. 
.friday...east winds 10 knots or less becoming northeast. a
chance of showers and thunderstorms. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 011344
glfle 
expires:202609012015;;720910

open lake forecast for lake erie
national weather service cleveland oh
944 am edt tue sep 1 2026

for waters beyond five nautical miles of shore on lake erie

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 stationary front north-east of lake erie will move little as 
high pressure of 30.10 inches remains entrenched to the south. 
low pressure 29.70 inches will move east across the upper great 
lakes on wednesday, extending a cold front through the area on 
thursday. this front will linger south of lake erie on friday as 
high pressure ridge 30.10 inches build in from the north.


lez164>166-012015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-
944 am edt tue sep 1 2026

.this afternoon...southwest winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tonight...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms through the early overnight, then a
chance of showers and thunderstorms late. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots. waves 2 feet or less.
.wednesday night...southwest winds 10 to 15 knots. a chance of
showers and thunderstorms overnight. waves 1 to 3 feet. 
.thursday...west winds 10 knots or less becoming northeast. a
chance of showers and thunderstorms. waves 2 feet or less. 
.friday...northeast winds 10 knots or less. a chance of showers
and thunderstorms during the day, then a chance of showers friday
night. waves 2 feet or less. 
.saturday...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 011352
glflh 
expires:202609012200;;721043

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am edt tue sep 1 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...low pressure now over southern manitoba slowly tracks
across northern ontario through the midweek. its cold front is
likely to stall across the area on wednesday.


lhz361-012200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
952 am edt tue sep 1 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.rest of today...light and variable winds. widespread dense fog.
waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots in the evening becoming
light and variable. widespread fog. waves 2 feet or less. 
.wednesday...west winds 5 to 10 knots. widespread fog in the
morning. a chance of showers. waves 2 feet or less. 
.wednesday night...west winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.thursday...light and variable winds. waves 2 feet or less. 
.friday...light and variable winds. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 011352
glfsc 
expires:202609012200;;721047

lake st clair forecast
national weather service detroit/pontiac mi
952 am edt tue sep 1 2026

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...low pressure now over southern manitoba slowly tracks
across northern ontario through the midweek. its cold front is
likely to stall across the area on wednesday.


lcz460-012200-
lake st clair-
952 am edt tue sep 1 2026

.rest of today...southwest winds 5 to 10 knots backing to the south
late in the afternoon. partly sunny. waves 2 feet or less.
.tonight...southwest winds 5 to 10 knots. partly cloudy becoming
mostly cloudy after midnight becoming partly cloudy. a chance of
light showers early in the morning. waves 2 feet or less.
.wednesday...southwest winds 5 to 10 knots. mostly sunny. a chance
of showers and thunderstorms early in the afternoon. waves 2 feet or
less.
.wednesday night...west winds 5 to 10 knots. partly cloudy. light
showers likely and a chance of thunderstorms ...then light showers
likely after midnight. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming northeast 5 to 10 knots in the
evening. partly sunny in the morning...then partly cloudy with a
chance of light showers in the afternoon and evening. waves 2 feet
or less.
.friday...northeast winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 011352
glflh 
expires:202609012200;;721044

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am edt tue sep 1 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...low pressure now over southern manitoba slowly tracks
across northern ontario through the midweek. its cold front is
likely to stall across the area on wednesday.


lhz362-363-012200-
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-
952 am edt tue sep 1 2026

.rest of today...light and variable winds. areas of fog in the
afternoon. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots veering to the south
early in the morning. areas of fog in the evening. widespread fog
after midnight. a chance of showers after midnight. waves 2 feet
or less. 
.wednesday...southwest winds 5 to 10 knots until late afternoon
becoming light and variable. a chance of showers in the
afternoon. waves 2 feet or less. 
.wednesday night...light and variable winds. a chance of showers.
waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less. 
.friday...light and variable winds. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots until afternoon becoming
light and variable...then becoming northeast 5 to 10 knots by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 011352
glflh 
expires:202609012200;;721045

open lake forecast for lake huron
national weather service detroit/pontiac mi
952 am edt tue sep 1 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...low pressure now over southern manitoba slowly tracks
across northern ontario through the midweek. its cold front is
likely to stall across the area on wednesday.


lhz462>464-012200-
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-
952 am edt tue sep 1 2026

.rest of today...light and variable winds becoming northeast 5 to
10 knots late in the afternoon. waves 2 feet or less. 
.tonight...northeast winds 5 to 10 knots veering to the south
after midnight. a chance of showers and thunderstorms in the
evening...then a chance of showers after midnight. waves 2 feet
or less. 
.wednesday...southwest winds 5 to 10 knots backing to the south
early in the afternoon. a chance of waterspouts in the morning. a
chance of showers and thunderstorms in the afternoon. waves
2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots  becoming light
and variable. showers likely and a chance of thunderstorms in the
evening...then showers likely after midnight. waves 2 feet or
less. 
.thursday...light and variable winds becoming north 5 to 10 knots
late in the morning...then becoming light and variable late in
the afternoon. a chance of showers. waves 2 feet or less. 
.friday...light and variable winds becoming north 5 to 10 knots .
waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kmkx 011357
glflm 
expires:202609012115;;721241

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 am cdt tue sep 1 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...

light winds, combined with a lingering humid air mass, will 
support areas of fog development across lake michigan through 
tonight. off and on thunderstorms remain forecast through 
wednesday morning as a cold front lingers just to the north of the
open waters. widespread severe weather isn't expected in any 
thunderstorm activity, though an isolated stronger cell with hail 
and gusty winds can't be entirely ruled out. 

light to modest southerly winds today will shift east- 
northeasterly through the second half of the week as 30.1 inch 
high pressure builds over the hudson bay and broad, 29.6 inch low 
pressure moves into the northern great plains. an unsettled 
pattern featuring multiple additional thunderstorm chances will 
continue through at least friday night. similar to earlier week 
storms, widespread severe weather isn't anticipated, though 
isolated stronger storms with hail and gusty winds are possible.


lmz080-669-671-673-675-777-779-870-872-874-876-878-012115-
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 am cdt tue sep 1 2026

sheboygan wi to pentwater mi south...

.rest of today...southwest winds 10 to 15 kt becoming south.
patchy dense fog this afternoon. slight chance of showers and
thunderstorms this afternoon. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt becoming southwest. slight
chance of showers and thunderstorms. patchy fog overnight. waves
1 to 2 ft. 
.wednesday...southwest winds 5 to 10 kt becoming south 10 to
15 kt. waves 1 to 2 ft. 
.wednesday night...southwest winds 10 to 15 kt veering to
northwest. chance of showers. waves 1 to 2 ft. 
.thursday...north winds 5 to 10 kt increasing to 10 to 15 kt.
chance of showers. waves 1 to 2 ft. 
.thursday night...northeast winds 5 to 10 kt becoming east.
chance of showers. waves 1 to 2 ft. 
.friday...east winds 10 to 15 kt becoming northeast. chance of
showers and thunderstorms. waves 1 to 2 ft. 
.saturday...east winds 10 to 15 kt becoming northeast. waves 1 to
2 ft.  

$$

fzus63 kmkx 011357
glflm 
expires:202609012115;;721239

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 am cdt tue sep 1 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...

light winds, combined with a lingering humid air mass, will 
support areas of fog development across lake michigan through 
tonight. off and on thunderstorms remain forecast through 
wednesday morning as a cold front lingers just to the north of the
open waters. widespread severe weather isn't expected in any 
thunderstorm activity, though an isolated stronger cell with hail 
and gusty winds can't be entirely ruled out. 

light to modest southerly winds today will shift east- 
northeasterly through the second half of the week as 30.1 inch 
high pressure builds over the hudson bay and broad, 29.6 inch low 
pressure moves into the northern great plains. an unsettled 
pattern featuring multiple additional thunderstorm chances will 
continue through at least friday night. similar to earlier week 
storms, widespread severe weather isn't anticipated, though 
isolated stronger storms with hail and gusty winds are possible.


lmz261-362-012115-
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-
857 am cdt tue sep 1 2026

rock island passage to charlevoix mi north...

...dense fog advisory in effect until 1 pm cdt this afternoon...

.rest of today...east winds less than 10 kt veering to southwest.
patchy dense fog through mid morning, then patchy fog this
afternoon. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt becoming west after midnight,
then becoming less than 10 kt late. patchy dense fog in the
evening, then patchy fog overnight. slight chance of showers.
waves 1 to 2 ft. 
.wednesday...west winds 5 to 10 kt increasing to 10 to 15 kt.
patchy fog in the morning. chance of showers. waves 1 ft or less.
.wednesday night...north winds 5 to 10 kt. waves 1 ft or less. 
.thursday...north winds 5 to 10 kt becoming northwest. waves
nearly calm. 
.thursday night...north winds 5 to 10 kt becoming northeast.
waves nearly calm. 
.friday...northeast winds 5 to 10 kt becoming east 10 to 15 kt.
waves 1 ft or less. 
.saturday...east winds 10 to 15 kt. waves 1 ft or less.  

$$

fzus63 kmkx 011357
glflm 
expires:202609012115;;721240

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 am cdt tue sep 1 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...

light winds, combined with a lingering humid air mass, will 
support areas of fog development across lake michigan through 
tonight. off and on thunderstorms remain forecast through 
wednesday morning as a cold front lingers just to the north of the
open waters. widespread severe weather isn't expected in any 
thunderstorm activity, though an isolated stronger cell with hail 
and gusty winds can't be entirely ruled out. 

light to modest southerly winds today will shift east- 
northeasterly through the second half of the week as 30.1 inch 
high pressure builds over the hudson bay and broad, 29.6 inch low 
pressure moves into the northern great plains. an unsettled 
pattern featuring multiple additional thunderstorm chances will 
continue through at least friday night. similar to earlier week 
storms, widespread severe weather isn't anticipated, though 
isolated stronger storms with hail and gusty winds are possible.


lmz364-366-563-565-567-868-012115-
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 am cdt tue sep 1 2026

rock island passage to charlevoix mi south to sheboygan wi to
pentwater mi...

.rest of today...southeast winds less than 10 kt becoming south
late this morning, then becoming southwest early this afternoon
becoming south 10 to 15 kt late. patchy fog. waves 1 to 2 ft. 
.tonight...south winds 10 to 15 kt becoming southwest 10 to 20 kt
late in the evening, then diminishing to 10 to 15 kt after
midnight becoming west late. patchy fog. slight chance of showers
and thunderstorms overnight. waves 1 to 2 ft. 
.wednesday...northwest winds 5 to 10 kt veering to northeast
10 to 15 kt. chance of showers. waves 1 ft or less. 
.wednesday night...northeast winds 5 to 10 kt. waves 1 ft or
less. 
.thursday...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 ft or less. 
.thursday night...northeast winds 10 to 15 kt becoming east 5 to
10 kt. chance of showers and thunderstorms. waves nearly calm. 
.friday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of showers and thunderstorms. waves 1 ft or less. 
.saturday...east winds 10 to 15 kt becoming northeast. waves 1 to
2 ft.  

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724021

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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...

a 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz162-012315-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1106 am edt tue sep 1 2026 /1006 am cdt tue sep 1 2026/

.rest of today...southwest winds 15 to 25 knots veering west
late. waves calm to 2 feet building to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.wednesday...north winds 5 to 15 knots veering south in the
afternoon. waves calm to 2 feet. 
.wednesday night...east winds less than 10 knots becoming
northeast 5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. waves building to 1 to 3 feet. 
.thursday night...northeast winds 10 to 20 knots. a chance of
showers and thunderstorms. waves subsiding to calm to 2 feet. 
.friday...northeast winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724022

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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...

a 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz263-012315-
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-
1106 am edt tue sep 1 2026

.rest of today...southwest winds 10 to 20 knots increasing to
15 to 25 knots in the afternoon, then veering west late. waves
calm to 2 feet building to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing southwest
late. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots becoming southeast
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots increasing to 15 to 25 knots
by mid afternoon. waves calm to 2 feet. 
.thursday night...east winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a chance of thunderstorms. waves calm to
2 feet. 
.friday...east winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.saturday...east winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724023

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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...

a 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz264-012315-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1106 am edt tue sep 1 2026

.rest of today...southwest winds 10 to 20 knots increasing to
15 to 25 knots late. waves calm to 2 feet building to 1 to 3 
feet. 
.tonight...west winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. waves subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots diminishing to less than
10 knots in the afternoon, then becoming southwest 5 to 15 knots
late. waves calm to 2 feet. 
.wednesday night...west winds less than 10 knots veering
northwest after midnight. waves calm to 2 feet. 
.thursday...northeast winds less than 10 knots becoming east 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...east winds 5 to 15 knots. waves calm to 2 feet.
.friday...east winds 10 to 20 knots. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots veering southeast. waves
calm to 2 feet. 

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724024

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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...

a 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz265-012315-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1106 am edt tue sep 1 2026

.rest of today...south winds 10 to 20 knots veering west late.
waves calm to 2 feet. 
.tonight...west winds 10 to 20 knots. waves calm to 2 feet. 
.wednesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots in the afternoon, then veering northeast late. waves
calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...east winds 5 to 15 knots. a chance of showers
after midnight. waves calm to 2 feet. 
.friday...east winds 15 to 25 knots becoming southeast 10 to
20 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.saturday...east winds 10 to 20 knots veering south. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724025

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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...

a 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz266-012315-
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-
1106 am edt tue sep 1 2026

.rest of today...south winds 5 to 15 knots. waves calm to 2 feet 
building to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots increasing to 10 to 20 knots
late. waves subsiding to calm to 2 feet. 
.wednesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.thursday...north winds 5 to 15 knots veering northeast by mid
afternoon. waves calm to 2 feet. 
.thursday night...east winds 5 to 15 knots. waves calm to 2 feet.
.friday...east winds 10 to 20 knots diminishing to 5 to 15 knots.
waves calm to 2 feet. 
.saturday...east winds 10 to 20 knots veering south. waves calm
to 2 feet. 

$$

fzus63 kmqt 011506 aaa
glfls 
expires:202609012315;;724026

open lake forecast for lake superior...updated
national weather service marquette mi
1106 am edt tue sep 1 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...

a 29.7 inch low will continue to slowly move east over ontario 
through wednesday and weaken to 29.8 inches as it reaches james bay. 
this will bring broad 29.9 inch troughing over the upper great lakes 
beginning wednesday morning. a 29.9 inch ridge will move into the
area wednesday afternoon and build to 30.0 inches through friday.
ridging will give way to another weak trough on saturday night 
with ridging of 30.1 inches building back in for sunday.




lsz267-012315-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1106 am edt tue sep 1 2026

...dense fog advisory in effect until 2 pm edt this afternoon...

.rest of today...south winds 5 to 15 knots backing southeast
late. patchy fog by late morning. waves calm to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight. waves calm to 2 feet. 
.wednesday...west winds 5 to 15 knots veering northwest late.
waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.thursday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 

$$