fzus61 kbuf 102002
glflo 
expires:202607110300;;751575

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 10 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 30.1 inch high will strengthen to 30.2 inches while 
building south across the lower great lakes tonight through the 
weekend, before expanding east into new england monday. the 30.2 
inch high will then drift south into the mid atlantic tuesday, 
allowing a warm front to pass across the lake.


loz062-110300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 10 2026

.tonight...light and variable winds becoming northeast 5 to
10 knots. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.saturday night...southeast winds less than 10 knots. waves
1 foot or less. 
.sunday...light and variable winds. waves 1 foot or less. 
.sunday night...southeast winds less than 10 knots becoming
south. waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...southwest winds 15 to 20 knots becoming west. waves
1 to 3 feet building to 3 to 5 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 

$$

fzus61 kbuf 102002
glflo 
expires:202607110300;;751576

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 10 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 30.1 inch high will strengthen to 30.2 inches while 
building south across the lower great lakes tonight through the 
weekend, before expanding east into new england monday. the 30.2 
inch high will then drift south into the mid atlantic tuesday, 
allowing a warm front to pass across the lake.


loz063>065-110300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri jul 10 2026

.tonight...northwest winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday night...north winds 5 to 10 knots becoming light and
variable. waves 1 foot or less. 
.sunday...light and variable winds becoming northwest 5 to
10 knots. waves 1 foot or less. 
.sunday night...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.monday...southwest winds 10 to 15 knots. waves 2 feet or less. 
.tuesday...west winds 15 to 25 knots. waves 1 to 3 feet building
to 3 to 6 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. waves 3 to 5 feet subsiding to 1 to
3 feet. 

$$

fzus61 kcle 101946
glfle 
expires:202607110230;;751029

open lake forecast for lake erie
national weather service cleveland oh
346 pm edt fri jul 10 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 weak cold front will continue to move south across ohio tonight.
low pressure of 29.90 inches will move east through the ohio
valley on saturday. high pressure of 30.10 inches will build over
the central great lakes on sunday then settles south to the ohio 
valley through the first half of next week.


lez162-163-110230-
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-
346 pm edt fri jul 10 2026

.tonight...east winds 10 knots or less becoming northeast. a
slight chance of showers and thunderstorms early. waves 1 foot or
less. 
.saturday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet. 
.saturday night...east winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...east winds 5 to 15 knots. waves 2 feet or less. 
.sunday night...east winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...east winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 101946
glfle 
expires:202607110230;;751030

open lake forecast for lake erie
national weather service cleveland oh
346 pm edt fri jul 10 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 weak cold front will continue to move south across ohio tonight.
low pressure of 29.90 inches will move east through the ohio
valley on saturday. high pressure of 30.10 inches will build over
the central great lakes on sunday then settles south to the ohio 
valley through the first half of next week.


lez164>167-110230-
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-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
346 pm edt fri jul 10 2026

.tonight...northeast winds 10 knots or less. a slight chance of
showers and thunderstorms early. waves 1 foot or less. 
.saturday...northeast winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.saturday night...northeast winds 15 to 20 knots becoming east
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.sunday...east winds 5 to 15 knots becoming northeast. waves 1 to
3 feet. 
.sunday night...northeast winds 5 to 15 knots becoming east less
than 10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...southeast winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tuesday...southwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday...west winds 10 to 15 knots becoming north. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 101946
glfle 
expires:202607110230;;751031

open lake forecast for lake erie
national weather service cleveland oh
346 pm edt fri jul 10 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 weak cold front will continue to move south across ohio tonight.
low pressure of 29.90 inches will move east through the ohio
valley on saturday. high pressure of 30.10 inches will build over
the central great lakes on sunday then settles south to the ohio 
valley through the first half of next week.


lez061-168-169-110230-
ripley to buffalo ny extending from 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-
346 pm edt fri jul 10 2026

.tonight...northeast winds 10 knots or less. waves 1 foot or
less. 
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday night...northeast winds 5 to 15 knots becoming east.
waves 1 to 3 feet. 
.sunday...east winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.sunday night...northeast winds 10 knots or less becoming
southeast. waves 2 feet or less. 
.monday...south winds 10 knots or less becoming southwest. waves
1 foot or less. 
.tuesday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 101942
glfsc 
expires:202607110345;;750921

lake st clair forecast
national weather service detroit/pontiac mi
342 pm edt fri jul 10 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...the frontal boundary over the southern great lakes
will continue to push south as chances for some showers and 
isolated thunderstorms remain through early evening over lake st. 
clair and western lake erie. high pressure then develops over the 
northern great lakes bringing drier weather. this high migrates 
southward into the central great lakes through this weekend, 
strengthening slightly to 30.20 inches while continuing to offer 
benign conditions.


lcz460-110345-
lake st clair-
342 pm edt fri jul 10 2026

.tonight...northeast winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. partly cloudy. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. mostly sunny. waves 2
feet or less.
.saturday night...northeast winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. clear. waves 2 feet or less.
.sunday...east winds 5 to 10 knots. mostly sunny. waves 2 feet or
less.
.sunday night...southeast winds 5 to 10 knots becoming light and
variable. mostly clear. waves 2 feet or less.
.monday...light and variable winds becoming south 5 to 10 knots in
the afternoon and evening. clear. waves 2 feet or less.
.tuesday...west winds 10 to 15 knots. clear. waves 2 feet or less.
.wednesday...northeast winds 10 to 15 knots. clear. waves 2 feet or
less.

$$

fzus63 kdtx 101941
glflh 
expires:202607110345;;750917

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt fri jul 10 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...the frontal boundary over the southern great lakes
will continue to push south as chances for some showers and 
isolated thunderstorms remain through early evening over lake st. 
clair and western lake erie. high pressure then develops over the 
northern great lakes bringing drier weather. this high migrates 
southward into the central great lakes through this weekend, 
strengthening slightly to 30.20 inches while continuing to offer 
benign conditions.


lhz361-110345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
341 pm edt fri jul 10 2026

.tonight...light and variable winds. waves 2 feet or less. 
.saturday...light and variable winds becoming east 5 to 10 knots
late in the afternoon. waves 2 feet or less. 
.saturday night...southeast winds 5 to 10 knots veering to the
south after midnight. waves 2 feet or less. 
.sunday...south winds 5 to 10 knots backing to the southeast
early in the afternoon. waves 2 feet or less. 
.sunday night...southeast winds 5 to 10 knots veering to the
south by midnight...then becoming southwest 10 to 15 knots after
midnight. waves 1 to 3 feet. 
.monday...west winds 10 to 15 knots. waves 2 to 4 feet. 
.tuesday...west winds 15 to 20 knots. gusts to 30 knots until
early evening. waves 4 to 6 feet. waves occasionally around
8 feet. 
.wednesday...northwest winds 10 to 15 knots. waves 2 to 4 feet
building to 3 to 5 feet . 


$$

fzus63 kdtx 101941
glflh 
expires:202607110345;;750919

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt fri jul 10 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...the frontal boundary over the southern great lakes
will continue to push south as chances for some showers and 
isolated thunderstorms remain through early evening over lake st. 
clair and western lake erie. high pressure then develops over the 
northern great lakes bringing drier weather. this high migrates 
southward into the central great lakes through this weekend, 
strengthening slightly to 30.20 inches while continuing to offer 
benign conditions.


lhz462>464-110345-
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-
341 pm edt fri jul 10 2026

.tonight...north winds 10 to 15 knots becoming northeast 5 to
10 knots in the late evening and overnight. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming north 5 to 10 knots
in the afternoon. waves 2 feet or less. 
.saturday night...north winds 5 to 10 knots  becoming light and
variable. waves 1 to 3 feet. 
.sunday...light and variable winds. waves 2 feet or less. 
.sunday night...light and variable winds becoming southeast 5 to
10 knots by midnight...then veering to the south after midnight.
waves 2 feet or less. 
.monday...south winds 5 to 10 knots becoming southwest 10 to
15 knots late in the evening. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots by midnight. waves 1 to 3 feet building to 3 to 5 feet .
.wednesday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 


$$

fzus63 kdtx 101941
glflh 
expires:202607110345;;750918

open lake forecast for lake huron
national weather service detroit/pontiac mi
341 pm edt fri jul 10 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...the frontal boundary over the southern great lakes
will continue to push south as chances for some showers and 
isolated thunderstorms remain through early evening over lake st. 
clair and western lake erie. high pressure then develops over the 
northern great lakes bringing drier weather. this high migrates 
southward into the central great lakes through this weekend, 
strengthening slightly to 30.20 inches while continuing to offer 
benign conditions.


lhz362-363-110345-
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-
341 pm edt fri jul 10 2026

.tonight...light and variable winds. waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 
.saturday night...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds becoming southeast 5 to
10 knots early in the afternoon. waves 2 feet or less. 
.sunday night...south winds 5 to 10 knots. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots. waves 3 to 5 feet. 
.wednesday...northwest winds 10 to 15 knots. waves 2 to 4 feet. 


$$

fzus63 kmkx 102001
glflm 
expires:202607110330;;751462

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 pm cdt fri jul 10 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...

high pressure of 30.0 inches over the great lakes will strengthen
to 30.2 inches this weekend while remaining in place. the high 
will largely stay put through the first half of next week, 
eventually shifting southward by late in the week ahead of an 
approaching trough of low pressure. northerly winds generally 
under 15 knots through at least saturday will become southerly by 
monday, increasing a bit early next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-110330-
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-
301 pm cdt fri jul 10 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 20 kt becoming northeast 10 to
15 kt. waves 1 to 3 ft. 
.saturday...northeast winds 5 to 10 kt becoming north 10 to 15 kt
early in the afternoon, then increasing to 10 to 20 kt late.
waves 1 to 2 ft. 
.saturday night...north winds 10 to 20 kt becoming northeast
10 to 15 kt late in the evening, then becoming east after
midnight. waves 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt becoming northeast. waves
1 to 2 ft. 
.sunday night...northeast winds 10 to 15 kt veering to south.
waves 1 ft or less. 
.monday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 2 ft. 
.monday night...south winds 10 to 15 kt becoming southwest. waves
1 to 2 ft. 
.tuesday...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 3 ft. 
.wednesday...west winds 10 to 20 kt becoming north. waves 2 to
4 ft.  

$$

fzus63 kmkx 102001
glflm 
expires:202607110330;;751461

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 pm cdt fri jul 10 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...

high pressure of 30.0 inches over the great lakes will strengthen
to 30.2 inches this weekend while remaining in place. the high 
will largely stay put through the first half of next week, 
eventually shifting southward by late in the week ahead of an 
approaching trough of low pressure. northerly winds generally 
under 15 knots through at least saturday will become southerly by 
monday, increasing a bit early next week.


lmz261-362-364-366-563-565-567-868-110330-
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-
301 pm cdt fri jul 10 2026

sheboygan wi to pentwater mi north...

.tonight...north winds 10 to 20 kt diminishing to 10 to 15 kt
late this evening, then becoming northeast after midnight. waves 
1 to 2 ft subsiding to 1 ft or less. 
.saturday...east winds 5 to 10 kt backing to west early in the
afternoon, then becoming northwest late. waves 1 to 2 ft. 
.saturday night...east winds 10 to 15 kt veering to south. waves
1 to 2 ft. 
.sunday...south winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.sunday night...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.monday night...southwest winds 15 to 25 kt. waves 2 to 4 ft. 
.tuesday...southwest winds to 30 kt increasing to gales to 35 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft.  

$$

fzus63 kmqt 102001
glfls 
expires:202607110800;;751454

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 10 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... 

high pressure of 30.0 inches extending from hudson bay remains over 
lake superior tonight. it then builds to 30.1 to 30.2 inches over 
the lake this weekend as the high shifts south to the lower great 
lakes through sunday. a strong low of around 29.3 inches looks to 
cross into hudson bay early next week. by wednesday, 30.1 inch high 
pressure extends from the canadian prairies to the southern 
appalachians as 29.1 inch low pressure moves into northern quebec.




lsz162-110800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt fri jul 10 2026 /300 pm cdt fri jul 10 2026/

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots backing north after midnight.
waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing south late. waves calm to
2 feet. 
.saturday night...south winds less than 10 knots becoming
southwest 5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves building to 1 to 3 feet. 
.sunday night...southwest winds 15 to 25 knots. waves 1 to
3 feet. 
.monday...southwest winds 15 to 25 knots. waves building to 2 to
4 feet. 
.monday night...southwest winds 15 to 25 knots increasing to
20 to 30 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.tuesday...southwest winds 15 to 25 knots veering north. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. waves calm to 2 feet.

$$

fzus63 kmqt 102001
glfls 
expires:202607110800;;751455

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 10 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... 

high pressure of 30.0 inches extending from hudson bay remains over 
lake superior tonight. it then builds to 30.1 to 30.2 inches over 
the lake this weekend as the high shifts south to the lower great 
lakes through sunday. a strong low of around 29.3 inches looks to 
cross into hudson bay early next week. by wednesday, 30.1 inch high 
pressure extends from the canadian prairies to the southern 
appalachians as 29.1 inch low pressure moves into northern quebec.




lsz263-110800-
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 fri jul 10 2026

.late this afternoon...east winds less than 10 knots. waves calm
to 2 feet. 
.tonight...east winds 5 to 15 knots becoming southeast less than
10 knots after midnight, then veering south late. waves calm to
2 feet. 
.saturday...southwest winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing south late. waves calm to
2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. waves building to 2 to 4 feet. 
.sunday night...southwest winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.monday...southwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.monday night...southwest winds 20 to 30 knots. waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tuesday...west winds 20 to 30 knots becoming north 15 to
25 knots. waves subsiding to calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. waves calm to 2 feet.

$$

fzus63 kmqt 102001
glfls 
expires:202607110800;;751456

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 10 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... 

high pressure of 30.0 inches extending from hudson bay remains over 
lake superior tonight. it then builds to 30.1 to 30.2 inches over 
the lake this weekend as the high shifts south to the lower great 
lakes through sunday. a strong low of around 29.3 inches looks to 
cross into hudson bay early next week. by wednesday, 30.1 inch high 
pressure extends from the canadian prairies to the southern 
appalachians as 29.1 inch low pressure moves into northern quebec.




lsz264-110800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt fri jul 10 2026

.late this afternoon...southeast winds less than 10 knots. waves
calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots diminishing to less than
10 knots late. patchy fog after midnight. waves calm to 2 feet. 
.saturday...south winds less than 10 knots veering southwest in
the afternoon, then backing south late. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves building to 1 to 3 feet. 
.sunday night...southwest winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.monday...southwest winds 15 to 25 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.monday night...southwest winds 20 to 30 knots becoming west
gales to 35 knots after midnight. waves building to 4 to 7 feet
occasionally to 9 feet. 
.tuesday...west winds 20 to 30 knots diminishing to 15 to
25 knots. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots backing west. waves calm
to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202607110800;;751457

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 10 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... 

high pressure of 30.0 inches extending from hudson bay remains over 
lake superior tonight. it then builds to 30.1 to 30.2 inches over 
the lake this weekend as the high shifts south to the lower great 
lakes through sunday. a strong low of around 29.3 inches looks to 
cross into hudson bay early next week. by wednesday, 30.1 inch high 
pressure extends from the canadian prairies to the southern 
appalachians as 29.1 inch low pressure moves into northern quebec.




lsz265-110800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt fri jul 10 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots veering south late.
waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots backing east in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet. 
.saturday night...southeast winds 5 to 15 knots veering south
after midnight, then becoming southwest 10 to 20 knots late. a
slight chance of showers and thunderstorms after midnight. waves
calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming south 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
20 to 30 knots after midnight. waves building to 2 to 4 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...southwest winds 15 to 25 knots becoming west
20 to 30 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday...west winds 20 to 30 knots becoming northwest 15 to
25 knots. waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots backing west. waves calm
to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202607110800;;751458

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 10 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... 

high pressure of 30.0 inches extending from hudson bay remains over 
lake superior tonight. it then builds to 30.1 to 30.2 inches over 
the lake this weekend as the high shifts south to the lower great 
lakes through sunday. a strong low of around 29.3 inches looks to 
cross into hudson bay early next week. by wednesday, 30.1 inch high 
pressure extends from the canadian prairies to the southern 
appalachians as 29.1 inch low pressure moves into northern quebec.




lsz266-110800-
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 fri jul 10 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots. patchy fog after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots backing east late. waves
calm to 2 feet. 
.saturday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a slight chance of showers and
thunderstorms after midnight. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 10 to 20 knots becoming southwest
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday...west winds 15 to 25 knots becoming south 10 to 20 knots
by mid afternoon. waves 3 to 5 feet occasionally to 7 feet. 
.monday night...south winds 15 to 25 knots becoming west gales to
35 knots after midnight. waves building to 5 to 8 feet
occasionally to 10 feet. 
.tuesday...west winds 20 to 30 knots becoming northwest 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 

$$

fzus63 kmqt 102001
glfls 
expires:202607110800;;751459

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri jul 10 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... 

high pressure of 30.0 inches extending from hudson bay remains over 
lake superior tonight. it then builds to 30.1 to 30.2 inches over 
the lake this weekend as the high shifts south to the lower great 
lakes through sunday. a strong low of around 29.3 inches looks to 
cross into hudson bay early next week. by wednesday, 30.1 inch high 
pressure extends from the canadian prairies to the southern 
appalachians as 29.1 inch low pressure moves into northern quebec.




lsz267-110800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt fri jul 10 2026

.late this afternoon...north winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots veering southeast late.
patchy fog. waves calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots backing east late.
waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots increasing to 10 to
20 knots late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. waves building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots becoming southwest 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.monday night...south winds 5 to 15 knots becoming west 10 to
20 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tuesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$