fzus61 kbuf 070202
glflo 
expires:202607070900;;541137

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon jul 6 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 30.2 inch high will build from southern quebec across 
new england tonight, then east of the canadian maritimes by tuesday. 
meanwhile, a weak 29.9 inch low over the virginias this evening will 
move to the mid atlantic coastline tonight, and then move off the 
southern new england coast tuesday. a broad 30.1 inch high is then 
forecast to build across the great lakes tuesday through wednesday, 
then drift off the east coast thursday. a weak cold front will cross 
the lake friday before another 30.1 inch high builds across the 
upper great lakes friday and the lower great lakes by saturday.


loz062-070900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt mon jul 6 2026

.overnight...east winds 10 to 15 knots. waves 2 to 3 feet. 
.tuesday...east winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...east winds 10 knots or less. waves 2 feet or
less. 
.wednesday...light and variable winds. waves 1 foot or less. 
.wednesday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots becoming west. a chance
of showers during the day, then showers likely with a chance of
thunderstorms thursday night. waves 2 feet or less. 
.friday...west winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms during the day. waves 2 feet 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 kbuf 070202
glflo 
expires:202607070900;;541138

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon jul 6 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 30.2 inch high will build from southern quebec across 
new england tonight, then east of the canadian maritimes by tuesday. 
meanwhile, a weak 29.9 inch low over the virginias this evening will 
move to the mid atlantic coastline tonight, and then move off the 
southern new england coast tuesday. a broad 30.1 inch high is then 
forecast to build across the great lakes tuesday through wednesday, 
then drift off the east coast thursday. a weak cold front will cross 
the lake friday before another 30.1 inch high builds across the 
upper great lakes friday and the lower great lakes by saturday.


loz063>065-070900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt mon jul 6 2026

.overnight...east winds 5 to 10 knots. waves 2 feet or
less. 
.tuesday...east winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.tuesday night...east winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less becoming north. waves
1 foot or less. 
.wednesday night...south winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. showers
likely with a chance of thunderstorms thursday night. waves
2 feet or less. 
.friday...west winds 5 to 10 knots becoming north. showers likely
with a chance of thunderstorms during the day. waves 2 feet or
less. 
.saturday...north winds 10 knots or less becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 070741
glfle 
expires:202607071415;;554649

open lake forecast for lake erie
national weather service cleveland oh
341 am edt tue jul 7 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 trough averaging 29.90 inches will linger near lake erie 
today. weak high pressure 30.00 inches will build in wednesday 
into thursday. a cold front will cross the lake on friday before 
high pressure 30.00 inches returns on saturday.


lez162-163-071415-
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-
341 am edt tue jul 7 2026

.today...north winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.tonight...east winds 10 knots or less becoming northeast. waves
1 foot or less. 
.wednesday...north winds less than 10 knots. waves 1 foot or
less. 
.wednesday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots. showers with a chance
of thunderstorms thursday night. waves 1 foot or less. 
.friday...west winds 5 to 10 knots becoming northeast. a chance
of showers and thunderstorms. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots becoming north. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 070741
glfle 
expires:202607071415;;554651

open lake forecast for lake erie
national weather service cleveland oh
341 am edt tue jul 7 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 trough averaging 29.90 inches will linger near lake erie 
today. weak high pressure 30.00 inches will build in wednesday 
into thursday. a cold front will cross the lake on friday before 
high pressure 30.00 inches returns on saturday.


lez061-168-169-071415-
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-
341 am edt tue jul 7 2026

.today...northeast winds 5 to 10 knots. waves 1 foot or less. 
.tonight...northeast winds 10 knots or less. waves 1 foot or
less. 
.wednesday...east winds less than 10 knots. waves 1 foot or less.
.wednesday night...light and variable winds becoming south 5 to
10 knots. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots. showers with a chance
of thunderstorms thursday night. waves 2 feet or less. 
.friday...west winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms during the day. waves 1 to
2 feet. 
.saturday...northeast winds 5 to 10 knots becoming southeast.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 070741
glfle 
expires:202607071415;;554650

open lake forecast for lake erie
national weather service cleveland oh
341 am edt tue jul 7 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 trough averaging 29.90 inches will linger near lake erie 
today. weak high pressure 30.00 inches will build in wednesday 
into thursday. a cold front will cross the lake on friday before 
high pressure 30.00 inches returns on saturday.


lez164>167-071415-
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-
341 am edt tue jul 7 2026

.today...northeast winds 5 to 10 knots. waves 1 to 2 feet. 
.tonight...northeast winds 10 knots or less. waves around 1 foot.
.wednesday...northeast winds less than 10 knots. waves 1 foot or
less. 
.wednesday night...light and variable winds becoming southwest
5 to 10 knots. waves 1 foot or less. 
.thursday...southwest winds 5 to 15 knots. showers with a chance
of thunderstorms thursday night. waves 2 feet or less. 
.friday...west winds 5 to 10 knots becoming northeast. showers
likely during the day, then a chance of showers and thunderstorms
friday night. waves 1 to 2 feet. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 070730
glflh 
expires:202607071530;;554232

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 am edt tue jul 7 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, 30.10 inches, holds over the great
lakes today before departing into the appalachia region tomorrow.
a low pressure system and cold front will then move across the
region thursday, bringing the next chance for active weather.


lhz362-363-071530-
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-
330 am edt tue jul 7 2026

.today...light and variable winds. waves 2 feet or less. 
.tonight...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots early in the afternoon. waves 2 feet or less. 
.wednesday night...northeast winds 5 to 10 knots  becoming light
and variable. a chance of showers. waves 1 to 3 feet. 
.thursday...light and variable winds becoming south 5 to
10 knots. showers likely in the morning...then showers late in
the morning. a chance of showers late in the afternoon. waves
2 feet or less. 
.friday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 


$$

fzus63 kdtx 070730
glflh 
expires:202607071530;;554231

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 am edt tue jul 7 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, 30.10 inches, holds over the great
lakes today before departing into the appalachia region tomorrow.
a low pressure system and cold front will then move across the
region thursday, bringing the next chance for active weather.


lhz361-071530-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
330 am edt tue jul 7 2026

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


$$

fzus63 kdtx 070730
glfsc 
expires:202607071530;;554293

lake st clair forecast
national weather service detroit/pontiac mi
330 am edt tue jul 7 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...high pressure, 30.10 inches, holds over the great
lakes today before departing into the appalachia region tomorrow.
a low pressure system and cold front will then move across the
region thursday, bringing the next chance for active weather.


lcz460-071530-
lake st clair-
330 am edt tue jul 7 2026

.today...north winds 5 to 10 knots. mostly sunny. waves 2 feet or
less.
.tonight...northeast winds 5 to 10 knots this evening becoming light
and variable. mostly clear. patchy fog early in the morning. waves 2
feet or less.
.wednesday...light and variable winds becoming southeast 5 to 10
knots early in the afternoon. mostly sunny. patchy fog early in the
morning. waves 2 feet or less.
.wednesday night...south winds 5 to 10 knots veering to the
southwest after midnight. mostly clear. waves 2 feet or less.
.thursday...southwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon...then becoming west 5 to 10 knots in the
evening. mostly sunny in the morning...then a chance of showers and
thunderstorms in the afternoon. partly cloudy with light showers
likely and a chance of thunderstorms in the evening. waves 2 feet or
less.
.friday...northeast winds 10 to 15 knots. partly cloudy. showers
likely and a chance of thunderstorms. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 070730
glflh 
expires:202607071530;;554233

open lake forecast for lake huron
national weather service detroit/pontiac mi
330 am edt tue jul 7 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, 30.10 inches, holds over the great
lakes today before departing into the appalachia region tomorrow.
a low pressure system and cold front will then move across the
region thursday, bringing the next chance for active weather.


lhz462>464-071530-
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-
330 am edt tue jul 7 2026

.today...light and variable winds becoming north 5 to 10 knots in
the afternoon. waves 2 feet or less. 
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. patchy fog after midnight. waves
2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots early in the afternoon. patchy fog in the morning. waves
2 feet or less. 
.wednesday night...south winds 5 to 10 knots veering to the
southwest after midnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots. showers likely. a
chance of thunderstorms late in the afternoon. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kmkx 070152
glflm 
expires:202607070915;;540917

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cdt mon jul 6 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 around 30.1 inches will remain in place over the 
upper great lakes through tuesday. expect north to northeast 
winds to become more light and variable through tonight and into 
tuesday. then gradually see southwest winds increase tuesday 
night and become gusty on wednesday as weak low pressure around 
29.8 inches and an accompanying cold front approaches from the 
northern plains. winds will become northerly behind the frontal 
passage thursday afternoon into friday, with high pressure around 
30.1 inches building into the the upper great lakes region through
the end of the week.


lmz261-362-364-366-563-565-567-868-070915-
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-
852 pm cdt mon jul 6 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northeast winds 10 to 15 kt backing to west.
waves 1 to 3 ft subsiding to 1 to 2 ft. 
.tuesday...southwest winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.tuesday night...southwest winds 10 to 15 kt becoming south 5 to
10 kt. waves 1 to 2 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south. chance
of showers. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday night...southwest winds 10 to 20 kt becoming west.
showers likely with a chance of thunderstorms in the evening,
then showers with a chance of thunderstorms overnight. waves 2 to
4 ft. 
.thursday...northwest winds 10 to 20 kt becoming north. chance of
showers in the morning, then chance of showers and thunderstorms
in the afternoon. waves 2 to 4 ft. 
.thursday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 ft or less.  

$$

fzus63 kmkx 070152
glflm 
expires:202607070915;;540918

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cdt mon jul 6 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 around 30.1 inches will remain in place over the 
upper great lakes through tuesday. expect north to northeast 
winds to become more light and variable through tonight and into 
tuesday. then gradually see southwest winds increase tuesday 
night and become gusty on wednesday as weak low pressure around 
29.8 inches and an accompanying cold front approaches from the 
northern plains. winds will become northerly behind the frontal 
passage thursday afternoon into friday, with high pressure around 
30.1 inches building into the the upper great lakes region through
the end of the week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-070915-
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-
852 pm cdt mon jul 6 2026

sheboygan wi to pentwater mi south...

.rest of tonight...north winds 10 to 20 kt diminishing to 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tuesday...north winds 5 to 10 kt becoming northwest. waves 1 to
2 ft. 
.tuesday night...southwest winds 5 to 10 kt. waves 1 ft or less. 
.wednesday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday night...south winds 10 to 20 kt becoming southwest.
chance of showers. waves 2 to 4 ft. 
.thursday...southwest winds 10 to 20 kt. showers likely in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. waves 2 to 4 ft. 
.thursday night...northwest winds 10 to 20 kt becoming north
10 to 15 kt. chance of showers and thunderstorms. waves 1 to
3 ft. 
.friday...north winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...east winds 10 to 15 kt becoming northeast 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmqt 070201
glfls 
expires:202607070800;;541096

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz267-070800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt mon jul 6 2026

.rest of tonight...southeast winds 5 to 15 knots veering south
after midnight. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots veering southwest in the
afternoon, then veering northwest late. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots veering north after
midnight, then veering east late. a chance of showers and a
slight chance of thunderstorms after midnight. waves calm to
2 feet. 
.wednesday...east winds 5 to 15 knots. a slight chance of
thunderstorms through early afternoon. showers. waves calm to
2 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. showers likely and a slight chance of
thunderstorms. waves calm to 2 feet. 
.thursday...northwest winds 10 to 20 knots. waves calm to 2 feet.
.thursday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.friday...north winds 5 to 15 knots veering south. waves calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots veering south. waves
calm to 2 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202607070800;;541095

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz266-070800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm edt mon jul 6 2026

.rest of tonight...southeast winds 10 to 20 knots veering south
after midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west in the
afternoon, then veering north late. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots backing east after
midnight, then veering southeast late. a chance of showers and a
slight chance of thunderstorms after midnight. waves calm to
2 feet. 
.wednesday...east winds 5 to 15 knots. a slight chance of
thunderstorms through early afternoon. showers. waves calm to
2 feet. 
.wednesday night...northeast winds 5 to 15 knots backing north
after midnight. a slight chance of thunderstorms through
midnight. a chance of showers. waves calm to 2 feet. 
.thursday...north winds 10 to 20 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202607070800;;541094

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz265-070800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt mon jul 6 2026

.rest of tonight...southeast winds 5 to 15 knots veering south
after midnight, then becoming southwest 10 to 20 knots late.
waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming northeast 10 to
20 knots in the afternoon, then becoming southeast 5 to 15 knots
late. a slight chance of showers by mid afternoon. waves calm to
2 feet. 
.tuesday night...southeast winds 5 to 15 knots. showers likely
and a slight chance of thunderstorms after midnight. waves calm
to 2 feet. 
.wednesday...east winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. showers and a slight chance of
thunderstorms. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots backing northwest
after midnight. a slight chance of thunderstorms through
midnight. a chance of showers. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.friday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots becoming southwest
10 to 20 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202607070800;;541093

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz264-070800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt mon jul 6 2026

.rest of tonight...south winds 5 to 15 knots veering southwest
late. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest late. waves
calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming south
less than 10 knots after midnight. a chance of showers after
midnight. waves calm to 2 feet. 
.wednesday...east winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. showers likely through early
afternoon, then a chance of showers and a slight chance of
thunderstorms by mid afternoon. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots backing northwest
after midnight. a slight chance of thunderstorms through
midnight. a chance of showers. waves calm to 2 feet. 
.thursday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.thursday night...west winds 5 to 15 knots becoming northwest
less than 10 knots after midnight. waves calm to 2 feet. 
.friday...east winds less than 10 knots becoming south 5 to
15 knots. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202607070800;;541092

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz263-070800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm edt mon jul 6 2026

.rest of tonight...southeast winds 5 to 15 knots veering
southwest after midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest in the
afternoon. a slight chance of showers through early afternoon.
waves calm to 2 feet. 
.tuesday night...southwest winds 5 to 15 knots becoming west less
than 10 knots late. a slight chance of showers through midnight.
showers likely and a slight chance of thunderstorms after
midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots backing northeast by mid
afternoon. showers through early afternoon. a slight chance of
thunderstorms. a chance of showers by mid afternoon. waves calm
to 2 feet. 
.wednesday night...north winds 5 to 15 knots backing northwest
after midnight. a chance of showers and a slight chance of
thunderstorms through midnight. waves calm to 2 feet. 
.thursday...northwest winds less than 10 knots backing west by
mid afternoon. waves calm to 2 feet. 
.thursday night...west winds less than 10 knots backing southeast
after midnight. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots veering east. waves calm
to 2 feet. 
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 070201
glfls 
expires:202607070800;;541091

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon jul 6 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... 

30.1 inch ridging remains over the lake tonight extending from 30.2 
inch high pressure centered off of nova scotia. meanwhile, low 
pressure is tracking through northern ontario towards hudson bay, 
and should to 29.4 inches as it reaches hudson bay on tuesday 
morning. as the low departs the hudson bay, it will extend a 29.8 
inch trough over lake superior on wednesday. thereafter high 
pressure at 29.9 inches builds over the upper great lakes for 
thursday through saturday.




lsz162-070800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt mon jul 6 2026 /900 pm cdt mon jul 6 2026/

.rest of tonight...north winds less than 10 knots becoming west
5 to 15 knots late. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing southwest in the
afternoon. a slight chance of showers and thunderstorms. waves
calm to 2 feet. 
.tuesday night...north winds 5 to 15 knots veering northeast
late. a slight chance of showers through midnight, then showers
likely and a slight chance of thunderstorms after midnight. waves
calm to 2 feet. 
.wednesday...northeast winds 5 to 15 knots. showers through early
afternoon. a slight chance of thunderstorms. a chance of showers
by mid afternoon. waves calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots backing west after
midnight. a slight chance of showers through midnight. waves calm
to 2 feet. 
.thursday...north winds 5 to 15 knots diminishing to less than
10 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...east winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 
.saturday...south winds 5 to 15 knots veering west. waves calm to
2 feet. 

$$