fzus61 kbuf 072002
glflo 
expires:202607080300;;583108

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jul 7 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 29.9 inch low continues to move off the southern new 
england coast, while a broad 30.1 inch high builds across the lower 
great lakes tonight through wednesday. a weak cold front will cross 
the lake thursday night through early friday with another 30.1 inch 
high building across the upper great lakes friday and the lower 
great lakes by saturday night.


loz062-080300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue jul 7 2026

.tonight...east winds 10 knots or less. waves 2 feet or less. 
.wednesday...southeast 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. a chance of showers
and thunderstorms in the afternoon. waves 2 feet or less. 
.thursday night...southwest winds 5 to 15 knots becoming west.
showers likely with a chance of thunderstorms in the evening,
then showers likely overnight. waves 1 to 2 feet. 
.friday...northwest winds 10 knots or less becoming northeast. a
chance of showers during the day. waves 1 foot or less. 
.saturday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.sunday...east winds 10 knots or less becoming southwest. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 072002
glflo 
expires:202607080300;;583109

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jul 7 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 29.9 inch low continues to move off the southern new 
england coast, while a broad 30.1 inch high builds across the lower 
great lakes tonight through wednesday. a weak cold front will cross 
the lake thursday night through early friday with another 30.1 inch 
high building across the upper great lakes friday and the lower 
great lakes by saturday night.


loz063>065-080300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue jul 7 2026

.tonight...east winds 5 to 10 knots becoming southeast. waves
1 foot or less. 
.wednesday...south winds 10 knots or less becoming north. waves
1 foot or less. 
.wednesday night...southwest winds 10 knots or less. waves 1 foot
or less. 
.thursday...southwest winds 5 to 10 knots. waves 1 foot or less. 
.thursday night...southwest winds 5 to 10 knots becoming west.
showers likely. waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming northeast.
showers likely during the day. waves 2 feet or less. 
.saturday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 
.sunday...southeast winds 10 knots or less becoming southwest.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 071948
glfle 
expires:202607080215;;582629

open lake forecast for lake erie
national weather service cleveland oh
348 pm 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.


lez162-163-080215-
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-
348 pm edt tue jul 7 2026

.tonight...east winds less than 10 knots. 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. waves 1 foot or less. 
.thursday night...west winds 5 to 10 knots. showers with a chance
of thunderstorms. waves around 1 foot. 
.friday...west winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms during the day, then a
chance of showers friday night. waves 1 foot or less. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 
.sunday...northeast winds 5 to 10 knots becoming south. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 071948
glfle 
expires:202607080215;;582630

open lake forecast for lake erie
national weather service cleveland oh
348 pm 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>168-080215-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
348 pm edt tue jul 7 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 071948
glfle 
expires:202607080215;;582631

open lake forecast for lake erie
national weather service cleveland oh
348 pm 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.


lez061-169-080215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
348 pm edt tue jul 7 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 071915
glflh 
expires:202607080315;;581695

open lake forecast for lake huron
national weather service detroit/pontiac mi
315 pm 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 near the great
lakes today before exiting into the appalachia region on
wednesday. a low pressure system and cold front will then
approach the region wednesday night into thursday, bringing the
next chance for active weather.


lhz361-080315-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
315 pm edt tue jul 7 2026

.tonight...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds. a chance of showers. waves
2 feet or less. 
.wednesday night...light and variable winds becoming west 5 to
10 knots after midnight. a chance of showers. waves 2 feet or
less. 
.thursday...north winds 5 to 10 knots backing to the west in the
late morning and afternoon. a chance of showers. waves 2 feet or
less. 
.thursday night...northwest winds 5 to 10 knots. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots in the morning becoming light
and variable. waves 2 feet or less. 
.saturday...light and variable winds becoming southeast 5 to
10 knots by midnight. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kdtx 071915
glfsc 
expires:202607080315;;581706

lake st clair forecast
national weather service detroit/pontiac mi
315 pm 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 near the great
lakes today before exiting into the appalachia region on
wednesday. a low pressure system and cold front will then
approach the region wednesday night into thursday, bringing the
next chance for active weather.


lcz460-080315-
lake st clair-
315 pm edt tue jul 7 2026

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

$$

fzus63 kdtx 071915
glflh 
expires:202607080315;;581697

open lake forecast for lake huron
national weather service detroit/pontiac mi
315 pm 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 near the great
lakes today before exiting into the appalachia region on
wednesday. a low pressure system and cold front will then
approach the region wednesday night into thursday, bringing the
next chance for active weather.


lhz462>464-080315-
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-
315 pm edt tue jul 7 2026

.tonight...light and variable winds. patchy fog after midnight.
waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots in the afternoon. patchy fog in the morning. waves
2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots veering to the
southwest after midnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots. a chance of showers in
the morning...then showers and a chance of thunderstorms in the
afternoon. waves 2 feet or less. 
.thursday night...west winds 5 to 10 knots early in the evening
becoming light and variable...then becoming north 5 to 10 knots
after midnight. showers likely and a chance of thunderstorms in
the evening. waves 2 feet or less. 
.friday...north winds 5 to 10 knots. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots . waves 2 feet or less. 
.sunday...light and variable winds becoming east 5 to 10 knots
until early evening...then veering to the southeast by midnight.
waves 2 feet or less. 


$$

fzus63 kdtx 071915
glflh 
expires:202607080315;;581696

open lake forecast for lake huron
national weather service detroit/pontiac mi
315 pm 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 near the great
lakes today before exiting into the appalachia region on
wednesday. a low pressure system and cold front will then
approach the region wednesday night into thursday, bringing the
next chance for active weather.


lhz362-363-080315-
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-
315 pm edt tue jul 7 2026

.tonight...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots in the afternoon. a chance of showers in the afternoon.
waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots early in the evening
becoming light and variable. a chance of showers after midnight.
waves 2 feet or less. 
.thursday...light and variable winds becoming southwest 5 to
10 knots in the late morning and afternoon. showers likely. waves
2 feet or less. 
.thursday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. 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. 
.sunday...light and variable winds becoming south 5 to 10 knots.
waves 2 feet or less. 


$$

fzus63 kmkx 071947
glflm 
expires:202607080430;;582622

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 pm cdt tue jul 7 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 over lake mi and lower mi will 
shift southeast into the lower great lakes and the ohio valley for
wednesday. expect light south winds over the northern portions of
the lake this afternoon, with light and variable winds to the 
south. modest south southwest winds will then develop tonight and
continue on wednesday, as weak low pressure around 29.8 inches 
and an accompanying cold front approaches from the northern great 
plains. modest southwest winds wednesday night will become 
northwest to north behind the frontal passage thursday into 
friday, with high pressure around 30.0 inches building into the 
the upper great lakes region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-080430-
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-
247 pm cdt tue jul 7 2026

sheboygan wi to pentwater mi south...

.tonight...southwest winds 5 to 10 kt. waves 1 ft or less. 
.wednesday...southwest winds 5 to 10 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 20 kt becoming southwest.
chance of showers. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers in the morning, then chance of showers
and thunderstorms in the afternoon. waves 1 to 3 ft. 
.thursday night...north winds 10 to 15 kt. chance of showers and
thunderstorms in the evening, then chance of showers overnight.
waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 3 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt. waves 1 to 3 ft. 
.saturday...east winds 5 to 10 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.sunday...northeast winds 5 to 10 kt backing to southwest 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 071947
glflm 
expires:202607080430;;582621

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 pm cdt tue jul 7 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 over lake mi and lower mi will 
shift southeast into the lower great lakes and the ohio valley for
wednesday. expect light south winds over the northern portions of
the lake this afternoon, with light and variable winds to the 
south. modest south southwest winds will then develop tonight and
continue on wednesday, as weak low pressure around 29.8 inches 
and an accompanying cold front approaches from the northern great 
plains. modest southwest winds wednesday night will become 
northwest to north behind the frontal passage thursday into 
friday, with high pressure around 30.0 inches building into the 
the upper great lakes region.


lmz261-362-364-366-563-565-567-868-080430-
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-
247 pm cdt tue jul 7 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt becoming south. slight
chance of showers and thunderstorms overnight. waves 1 to 2 ft.
.wednesday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers and slight chance of thunderstorms.
waves 1 to 3 ft. 
.wednesday night...southeast winds 10 to 20 kt backing to north
10 to 15 kt. showers likely with a chance of thunderstorms in the
evening, then chance of showers overnight. waves 1 to 3 ft. 
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers in the morning. waves 1 to 3 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 3 ft. 
.friday...northeast winds 10 to 15 kt becoming north 15 to 25 kt
in the afternoon. waves 1 to 3 ft. 
.friday night...northeast winds 10 to 20 kt becoming east 5 to
10 kt. waves 1 to 3 ft. 
.saturday...southeast winds 5 to 10 kt veering to west 10 to
20 kt. waves 1 ft or less. 
.sunday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 072001
glfls 
expires:202607080800;;582984

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 7 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... 

pressure at 30.0 inches prevails over lake superior this evening as 
a 30.1 inch high over the northern plains extends over the upper 
great lakes through tonight. a hudson low moves into northern quebec 
throughout wednesday, sending a trough as low as 29.9 inches over 
the upper great lakes. weak high pressure to 30.0 inches then builds 
over lake superior and northern ontario thursday and friday. 
saturday, the high builds to 30.1 inches as it shifts towards 
southern ontario. the high continues to shift south sunday into 
monday as low pressure of at least 29.7 inches moves across northern 
ontario.




lsz162-080800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt tue jul 7 2026 /301 pm cdt tue jul 7 2026/

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots veering west after
midnight. a chance of showers. a slight chance of thunderstorms
after midnight. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots veering south late. a
chance of showers and a slight chance of thunderstorms through
early afternoon. waves calm to 2 feet. 
.wednesday night...north winds less than 10 knots. waves calm to
2 feet. 
.thursday...north winds less than 10 knots. waves calm to 2 feet.
.thursday night...north winds less than 10 knots. waves calm to
2 feet. 
.friday...east winds less than 10 knots becoming northeast 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.friday night...northeast winds less than 10 knots backing north
after midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots. waves building to 1 to
3 feet. 

$$

fzus63 kmqt 072001
glfls 
expires:202607080800;;582985

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 7 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... 

pressure at 30.0 inches prevails over lake superior this evening as 
a 30.1 inch high over the northern plains extends over the upper 
great lakes through tonight. a hudson low moves into northern quebec 
throughout wednesday, sending a trough as low as 29.9 inches over 
the upper great lakes. weak high pressure to 30.0 inches then builds 
over lake superior and northern ontario thursday and friday. 
saturday, the high builds to 30.1 inches as it shifts towards 
southern ontario. the high continues to shift south sunday into 
monday as low pressure of at least 29.7 inches moves across northern 
ontario.




lsz263-080800-
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-
401 pm edt tue jul 7 2026

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

$$

fzus63 kmqt 072001
glfls 
expires:202607080800;;582986

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 7 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... 

pressure at 30.0 inches prevails over lake superior this evening as 
a 30.1 inch high over the northern plains extends over the upper 
great lakes through tonight. a hudson low moves into northern quebec 
throughout wednesday, sending a trough as low as 29.9 inches over 
the upper great lakes. weak high pressure to 30.0 inches then builds 
over lake superior and northern ontario thursday and friday. 
saturday, the high builds to 30.1 inches as it shifts towards 
southern ontario. the high continues to shift south sunday into 
monday as low pressure of at least 29.7 inches moves across northern 
ontario.




lsz264-080800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt tue jul 7 2026

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots becoming west less than
10 knots late. a chance of showers after midnight. waves calm to
2 feet. 
.wednesday...west winds less than 10 knots backing south in the
afternoon, then becoming southwest 5 to 15 knots late. a chance
of showers through early afternoon. waves calm to 2 feet. 
.wednesday night...southwest winds less than 10 knots veering
northwest late. waves calm to 2 feet. 
.thursday...north winds less than 10 knots backing west by mid
afternoon. waves calm to 2 feet. 
.thursday night...west winds less than 10 knots veering northwest
after midnight. waves calm to 2 feet. 
.friday...east winds less than 10 knots veering southeast by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots becoming south less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 072001
glfls 
expires:202607080800;;582987

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 7 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... 

pressure at 30.0 inches prevails over lake superior this evening as 
a 30.1 inch high over the northern plains extends over the upper 
great lakes through tonight. a hudson low moves into northern quebec 
throughout wednesday, sending a trough as low as 29.9 inches over 
the upper great lakes. weak high pressure to 30.0 inches then builds 
over lake superior and northern ontario thursday and friday. 
saturday, the high builds to 30.1 inches as it shifts towards 
southern ontario. the high continues to shift south sunday into 
monday as low pressure of at least 29.7 inches moves across northern 
ontario.




lsz265-080800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt tue jul 7 2026

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...south winds 5 to 15 knots veering southwest late. a
slight chance of showers after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots backing east in the
afternoon. showers likely through early afternoon, then a chance
of showers and thunderstorms by mid afternoon. waves calm to
2 feet. 
.wednesday night...southeast winds 5 to 15 knots backing
northeast late. a slight 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 veering north
after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots veering southwest.
waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots. waves building to 1 to
3 feet. 

$$

fzus63 kmqt 072001
glfls 
expires:202607080800;;582988

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 7 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... 

pressure at 30.0 inches prevails over lake superior this evening as 
a 30.1 inch high over the northern plains extends over the upper 
great lakes through tonight. a hudson low moves into northern quebec 
throughout wednesday, sending a trough as low as 29.9 inches over 
the upper great lakes. weak high pressure to 30.0 inches then builds 
over lake superior and northern ontario thursday and friday. 
saturday, the high builds to 30.1 inches as it shifts towards 
southern ontario. the high continues to shift south sunday into 
monday as low pressure of at least 29.7 inches moves across northern 
ontario.




lsz266-080800-
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-
401 pm edt tue jul 7 2026

.late this afternoon...west winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southwest winds 5 to 15 knots backing south after
midnight. a slight chance of showers. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots backing northeast in
the 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...northeast winds 5 to 15 knots backing north
late. a chance of showers and a slight chance of thunderstorms
through midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 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...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 1 to 3 feet. 

$$

fzus63 kmqt 072001
glfls 
expires:202607080800;;582989

open lake forecast for lake superior
national weather service marquette mi
401 pm edt tue jul 7 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... 

pressure at 30.0 inches prevails over lake superior this evening as 
a 30.1 inch high over the northern plains extends over the upper 
great lakes through tonight. a hudson low moves into northern quebec 
throughout wednesday, sending a trough as low as 29.9 inches over 
the upper great lakes. weak high pressure to 30.0 inches then builds 
over lake superior and northern ontario thursday and friday. 
saturday, the high builds to 30.1 inches as it shifts towards 
southern ontario. the high continues to shift south sunday into 
monday as low pressure of at least 29.7 inches moves across northern 
ontario.




lsz267-080800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt tue jul 7 2026

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

$$