fzus61 kbuf 220802
glflo 
expires:202606221500;;171794

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon jun 22 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 29.7 inch low will move south of the lower great lakes 
today and tonight, before moving off the new england coast by 
tuesday. a broad area of high pressure averaging 30.1 inches will 
advance over the eastern great lakes region tuesday and wednesday, 
before exiting east into new england on thursday as a weak 29.8 inch 
low moves east into the central great lakes. this low is forecasted 
to move north of the lake friday, with its associated weak cold 
front crossing the lake.


loz063>065-221500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt mon jun 22 2026

.today...southeast winds 5 to 10 knots becoming east. a chance of
showers early, then rain from late morning on. waves 2 feet or
less. 
.tonight...northeast winds 5 to 10 knots becoming northwest. a
chance of showers early. waves 2 feet or less. 
.tuesday...northwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.tuesday night...west winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming southwest less
than 10 knots. waves 2 feet or less. 
.thursday...south winds 5 to 15 knots. showers likely with a
chance of thunderstorms. waves 2 feet or less. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 220802
glflo 
expires:202606221500;;171793

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt mon jun 22 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 29.7 inch low will move south of the lower great lakes 
today and tonight, before moving off the new england coast by 
tuesday. a broad area of high pressure averaging 30.1 inches will 
advance over the eastern great lakes region tuesday and wednesday, 
before exiting east into new england on thursday as a weak 29.8 inch 
low moves east into the central great lakes. this low is forecasted 
to move north of the lake friday, with its associated weak cold 
front crossing the lake.


loz062-221500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt mon jun 22 2026

.today...southeast winds 10 knots or less becoming northeast
10 to 15 knots. a chance of showers early, then rain. a chance of
showers late. waves 2 feet or less. 
.tonight...northeast winds 10 knots or less becoming west. waves
1 to 2 feet. 
.tuesday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tuesday night...west winds 5 to 15 knots becoming northwest.
waves 1 to 2 feet. 
.wednesday...southwest winds 10 knots or less becoming south. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...southeast winds 10 knots or less becoming southwest.
showers likely with a chance of thunderstorms. waves 1 foot or
less. 
.friday...west winds 5 to 10 knots. a chance of showers during
the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 220750
glfle 
expires:202606221430;;171544

open lake forecast for lake erie
national weather service cleveland oh
350 am edt mon jun 22 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...
low pressure of 29.80 inches will track from central ohio into
pennsylvania today. high pressure of 30.20 inches will build southeast
into the great lake region tonight then continue to the 
appalachians through wednesday. low pressure of 29.90 inches will
move east through the great lakes thursday, first lifting a warm
front north, then followed by a weak cold front settling back
south on thursday night. a ridge averaging 30.10 inches will 
build from the upper midwest through the remainder of this friday.


lez162-163-221430-
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-
350 am edt mon jun 22 2026

.today...northeast winds 15 to 25 knots. showers likely this
morning. waves 3 to 6 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.tonight...northeast winds 10 to 15 knots becoming north. waves
3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 10 knots or less becoming west. waves
2 feet or less. 
.tuesday night...west winds less than 10 knots becoming
southeast. waves 1 foot or less. 
.wednesday...south winds 10 knots or less. showers likely with a
chance of thunderstorms wednesday night. waves 1 foot or less. 
.thursday...southwest winds around 10 knots becoming west. a
chance of showers and thunderstorms during the day. waves 1 foot
or less. 
.friday...northwest winds 5 to 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 220750
glfle 
expires:202606221430;;171545

open lake forecast for lake erie
national weather service cleveland oh
350 am edt mon jun 22 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...
low pressure of 29.80 inches will track from central ohio into
pennsylvania today. high pressure of 30.20 inches will build southeast
into the great lake region tonight then continue to the 
appalachians through wednesday. low pressure of 29.90 inches will
move east through the great lakes thursday, first lifting a warm
front north, then followed by a weak cold front settling back
south on thursday night. a ridge averaging 30.10 inches will 
build from the upper midwest through the remainder of this friday.


lez164>167-221430-
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-
350 am edt mon jun 22 2026

.today...northeast winds 15 to 25 knots. showers this morning,
then a slight chance of showers early this afternoon. waves 3 to
6 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.tonight...northeast winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet subsiding to 1 foot or less. 
.tuesday night...west winds 10 knots or less becoming north.
waves 2 feet or less. 
.wednesday...southeast winds 10 knots or less becoming south. a
chance of showers and thunderstorms wednesday night. waves 1 foot
or less. 
.thursday...south winds 10 to 15 knots becoming west. a chance of
showers and thunderstorms during the day, then a chance of
showers thursday night. waves 2 feet or less. 
.friday...west winds 10 knots or less becoming east. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 220750
glfle 
expires:202606221430;;171546

open lake forecast for lake erie
national weather service cleveland oh
350 am edt mon jun 22 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...
low pressure of 29.80 inches will track from central ohio into
pennsylvania today. high pressure of 30.20 inches will build southeast
into the great lake region tonight then continue to the 
appalachians through wednesday. low pressure of 29.90 inches will
move east through the great lakes thursday, first lifting a warm
front north, then followed by a weak cold front settling back
south on thursday night. a ridge averaging 30.10 inches will 
build from the upper midwest through the remainder of this friday.


lez061-168-169-221430-
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-
350 am edt mon jun 22 2026

.today...east winds 15 to 20 knots becoming northeast. showers
this morning, then a slight chance of showers this afternoon.
waves 2 to 4 feet building to 3 to 6 feet. 
.tonight...northeast winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tuesday night...west winds 10 knots or less becoming north.
waves 1 to 2 feet. 
.wednesday...northwest winds 10 knots or less becoming southeast.
a chance of showers wednesday night. waves 1 foot or less. 
.thursday...south winds 5 to 10 knots becoming west. a chance of
showers and thunderstorms during the day, then a chance of
showers thursday night. waves 1 foot or less. 
.friday...west winds 10 knots or less. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 220748
glfsc 
expires:202606221600;;171519

lake st clair forecast
national weather service detroit/pontiac mi
348 am edt mon jun 22 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...a compact low pressure system, 29.60 inches, moves
east across the ohio valley this morning, bringing active weather
across the southern great lakes. high pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.


lcz460-221600-
lake st clair-
348 am edt mon jun 22 2026

.today...northeast winds 15 to 20 knots diminishing to 10 to 15
knots in the afternoon. becoming mostly sunny late in the afternoon.
showers early in the morning...then a chance of showers late in the
morning. waves 1 to 3 feet.
.tonight...north winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.tuesday...north winds 5 to 10 knots. sunny. waves 2 feet or less.
.tuesday night...northeast winds 5 to 10 knots becoming light and
variable. mostly clear. waves 2 feet or less.
.wednesday...light and variable winds becoming south 5 to 10 knots
in the afternoon and evening. mostly sunny...then partly cloudy with
a chance of light showers in the evening. waves 2 feet or less.
.thursday...west winds 10 to 15 knots. showers and a chance of
thunderstorms. waves 2 feet or less.
.friday...north winds 5 to 10 knots. mostly clear. waves 2 feet or
less.

$$

fzus63 kdtx 220747
glflh 
expires:202606221600;;171513

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am edt mon jun 22 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...a compact low pressure system, 29.60 inches, moves
east across the ohio valley this morning, bringing active weather
across the southern great lakes. high pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.


lhz462>464-221600-
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-
347 am edt mon jun 22 2026

.today...east winds 5 to 10 knots backing to the north early in 
the afternoon increasing to 10 to 15 knots late in the afternoon. 
a chance of showers in the morning. waves 2 feet or less. 
.tonight...north winds 10 to 15 knots. waves 2 to 4 feet. 
.tuesday...northwest winds 10 to 15 knots becoming north 5 to
10 knots early in the afternoon. waves 1 to 3 feet. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming south 5 to
10 knots late in the morning...then backing to the southeast late
in the afternoon. a chance of showers late in the afternoon. a
chance of showers and thunderstorms late in the evening. waves
2 feet or less. 
.thursday...south winds 5 to 10 knots veering to the west by
midnight. showers likely and a chance of thunderstorms. waves
2 feet or less. 
.friday...west winds 5 to 10 knots until afternoon becoming light
and variable. waves 2 feet or less. 


$$

fzus63 kdtx 220747
glflh 
expires:202606221600;;171512

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am edt mon jun 22 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...a compact low pressure system, 29.60 inches, moves
east across the ohio valley this morning, bringing active weather
across the southern great lakes. high pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.


lhz362-363-221600-
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-
347 am edt mon jun 22 2026

.today...light and variable winds becoming north 5 to 10 knots in
the afternoon. waves 2 feet or less. 
.tonight...north winds 10 to 15 knots backing to the northwest in
the late evening and overnight. waves 1 to 3 feet building to
2 to 4 feet in the late evening and overnight. 
.tuesday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots. a chance of showers late in the morning. rain showers
and a chance of thunderstorms late in the evening. waves 2 feet
or less. 
.thursday...southeast winds 5 to 10 knots backing to the
northeast early in the evening...then backing to the northwest by
midnight. showers and a chance of thunderstorms early in the
morning...then a chance of showers until early evening. waves
2 feet or less. 
.friday...west winds 5 to 10 knots until afternoon becoming light
and variable. waves 2 feet or less. 


$$

fzus63 kdtx 220747
glflh 
expires:202606221600;;171511

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am edt mon jun 22 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...a compact low pressure system, 29.60 inches, moves
east across the ohio valley this morning, bringing active weather
across the southern great lakes. high pressure, 30.20 inches,
will then build in tonight, producing light winds for the early
week period.


lhz361-221600-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
347 am edt mon jun 22 2026

.today...northwest winds 5 to 10 knots increasing to 10 to 15 
knots in the afternoon. waves 2 feet or less. 
.tonight...northwest winds 10 to 15 knots increasing to 15 to
20 knots late in the evening...then decreasing to 10 to 15 knots
after midnight. waves 1 to 3 feet building to 2 to 4 feet in the
late evening and overnight. 
.tuesday...northwest winds 5 to 10 knots backing to the west
early in the afternoon. waves 2 feet or less. 
.tuesday night...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots. a chance of showers late in the morning. rain showers
likely late in the afternoon. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots backing to the northwest by
midnight. showers likely early in the morning...then a chance of
showers until early evening. waves 2 feet or less. 
.friday...northwest winds 5 to 10 knots becoming west 10 to
15 knots early in the evening...then becoming northwest 5 to
10 knots by midnight. waves 2 feet or less. 


$$

fzus63 kmkx 220747
glflm 
expires:202606221530;;171516

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 am cdt mon jun 22 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...

low pressure around 29.8 inches will continue eastward across the
ohio river valley today, with high pressure around 30.2 inches
building southeastward into the great lakes region. the pressure
gradient between these two systems will drive a modest north
breeze over lake michigan today with speeds up to 25 kt at times,
mainly over the southern two thirds of the lake. lighter 
northerly winds are expected late this evening into tuesday as 
the high pressure continues to build into the region. winds will
become light and variable tuesday night as it tracks overhead. by
wednesday, the high pressure will exit to the southeast and low 
pressure around 29.9 inches will track from the northern plains 
into northern wisconsin. as the low approaches, breezy south to 
southeast winds will develop across the lake.


lmz080-669-671-673-675-777-779-870-872-874-876-878-221530-
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 am cdt mon jun 22 2026

sheboygan wi to pentwater mi south...

.today...north winds to 30 kt diminishing to 15 to 25 kt. waves
4 to 6 ft occasionally to 8 ft. 
.tonight...north winds 15 to 25 kt diminishing to 10 to 15 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.tuesday...north winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.tuesday night...northeast winds 10 to 15 kt veering to south.
waves 1 to 3 ft subsiding to 1 ft or less. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers in the morning, then showers likely in the
afternoon. waves 1 to 3 ft building to 3 to 5 ft. 
.wednesday night...south winds 10 to 15 kt becoming southwest
5 to 10 kt. chance of showers and thunderstorms. waves 3 to 5 ft
subsiding to 1 to 3 ft. 
.thursday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 220747
glflm 
expires:202606221530;;171515

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 am cdt mon jun 22 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...

low pressure around 29.8 inches will continue eastward across the
ohio river valley today, with high pressure around 30.2 inches
building southeastward into the great lakes region. the pressure
gradient between these two systems will drive a modest north
breeze over lake michigan today with speeds up to 25 kt at times,
mainly over the southern two thirds of the lake. lighter 
northerly winds are expected late this evening into tuesday as 
the high pressure continues to build into the region. winds will
become light and variable tuesday night as it tracks overhead. by
wednesday, the high pressure will exit to the southeast and low 
pressure around 29.9 inches will track from the northern plains 
into northern wisconsin. as the low approaches, breezy south to 
southeast winds will develop across the lake.


lmz261-362-364-366-563-565-567-868-221530-
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 am cdt mon jun 22 2026

sheboygan wi to pentwater mi north...

.today...north winds 10 to 20 kt increasing to 15 to 25 kt. waves
1 to 3 ft building to 3 to 5 ft. 
.tonight...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.tuesday...north winds 5 to 10 kt becoming northwest 10 to 20 kt.
waves 1 to 2 ft. 
.tuesday night...southwest winds 5 to 10 kt becoming south. waves
1 to 2 ft. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
showers in the morning, then showers likely in the afternoon.
waves 1 to 3 ft building to 3 to 5 ft. 
.wednesday night...south winds 10 to 15 kt. chance of showers.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.thursday...northwest winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft. 
.friday...northwest winds 10 to 15 kt becoming west 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmqt 220811
glfls 
expires:202606222000;;172740

open lake forecast for lake superior
national weather service marquette mi
411 am edt mon jun 22 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... 

this morning, lake superior is between a 30.2 inch high over 
northern manitoba and a 29.8 inch low over indiana. throughout 
today, the low will weaken to 29.9 inches and push to the east coast 
while the high shifts into hudson bay. the high expands over the 
upper great lakes tuesday. late tuesday into wednesday, a weak 30.0 
inch low will pass just south of lake superior from the dakotas. the 
low will slowly push into the lower great lakes thursday while 
ridging fills in behind associated with the high over hudson bay, 
now at 30.1 inches. weak high pressure remains over lake superior 
into the weekend while low pressure deepens over the central plains.




lsz162-222000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
411 am edt mon jun 22 2026 /311 am cdt mon jun 22 2026/

.early this morning...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.today...northeast winds 5 to 15 knots veering south in the
afternoon, then veering southwest late. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots backing southwest late. waves
calm to 2 feet. 
.tuesday...north winds less than 10 knots becoming northeast 5 to
15 knots in the afternoon. a chance of showers and a slight
chance of thunderstorms by mid afternoon. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. a chance of rain showers through
midnight. a chance of thunderstorms. rain showers after midnight.
waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots. a chance of rain
showers. waves building to 1 to 3 feet. 
.wednesday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots diminishing to less than
10 knots. waves calm to 2 feet. 
.friday...north winds less than 10 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 220811
glfls 
expires:202606222000;;172741

open lake forecast for lake superior
national weather service marquette mi
411 am edt mon jun 22 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... 

this morning, lake superior is between a 30.2 inch high over 
northern manitoba and a 29.8 inch low over indiana. throughout 
today, the low will weaken to 29.9 inches and push to the east coast 
while the high shifts into hudson bay. the high expands over the 
upper great lakes tuesday. late tuesday into wednesday, a weak 30.0 
inch low will pass just south of lake superior from the dakotas. the 
low will slowly push into the lower great lakes thursday while 
ridging fills in behind associated with the high over hudson bay, 
now at 30.1 inches. weak high pressure remains over lake superior 
into the weekend while low pressure deepens over the central plains.




lsz263-222000-
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-
411 am edt mon jun 22 2026

.early this morning...north winds less than 10 knots. waves calm
to 2 feet. 
.today...north winds 5 to 15 knots backing west in the afternoon.
waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.tuesday...southwest winds less than 10 knots becoming northeast
5 to 15 knots in the afternoon, then veering east late. waves
calm to 2 feet. 
.tuesday night...east winds 5 to 15 knots. a chance of rain
showers through midnight. a slight chance of thunderstorms. rain
showers likely after midnight. waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots backing northeast by mid
afternoon. rain showers likely through early afternoon. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.wednesday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.friday...southwest winds less than 10 knots backing east. waves
calm to 2 feet. 

$$

fzus63 kmqt 220811
glfls 
expires:202606222000;;172742

open lake forecast for lake superior
national weather service marquette mi
411 am edt mon jun 22 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... 

this morning, lake superior is between a 30.2 inch high over 
northern manitoba and a 29.8 inch low over indiana. throughout 
today, the low will weaken to 29.9 inches and push to the east coast 
while the high shifts into hudson bay. the high expands over the 
upper great lakes tuesday. late tuesday into wednesday, a weak 30.0 
inch low will pass just south of lake superior from the dakotas. the 
low will slowly push into the lower great lakes thursday while 
ridging fills in behind associated with the high over hudson bay, 
now at 30.1 inches. weak high pressure remains over lake superior 
into the weekend while low pressure deepens over the central plains.




lsz264-222000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
411 am edt mon jun 22 2026

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

$$

fzus63 kmqt 220811
glfls 
expires:202606222000;;172743

open lake forecast for lake superior
national weather service marquette mi
411 am edt mon jun 22 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... 

this morning, lake superior is between a 30.2 inch high over 
northern manitoba and a 29.8 inch low over indiana. throughout 
today, the low will weaken to 29.9 inches and push to the east coast 
while the high shifts into hudson bay. the high expands over the 
upper great lakes tuesday. late tuesday into wednesday, a weak 30.0 
inch low will pass just south of lake superior from the dakotas. the 
low will slowly push into the lower great lakes thursday while 
ridging fills in behind associated with the high over hudson bay, 
now at 30.1 inches. weak high pressure remains over lake superior 
into the weekend while low pressure deepens over the central plains.




lsz265-222000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
411 am edt mon jun 22 2026

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

$$

fzus63 kmqt 220811
glfls 
expires:202606222000;;172744

open lake forecast for lake superior
national weather service marquette mi
411 am edt mon jun 22 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... 

this morning, lake superior is between a 30.2 inch high over 
northern manitoba and a 29.8 inch low over indiana. throughout 
today, the low will weaken to 29.9 inches and push to the east coast 
while the high shifts into hudson bay. the high expands over the 
upper great lakes tuesday. late tuesday into wednesday, a weak 30.0 
inch low will pass just south of lake superior from the dakotas. the 
low will slowly push into the lower great lakes thursday while 
ridging fills in behind associated with the high over hudson bay, 
now at 30.1 inches. weak high pressure remains over lake superior 
into the weekend while low pressure deepens over the central plains.




lsz266-222000-
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-
411 am edt mon jun 22 2026

.early this morning...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots backing west late. waves
calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots. a chance of rain
showers after midnight. waves calm to 2 feet. 
.wednesday...east winds 10 to 20 knots. a chance of rain showers.
waves calm to 2 feet. 
.wednesday night...east winds 10 to 20 knots backing northeast
after midnight. waves calm to 2 feet. 
.thursday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 220811
glfls 
expires:202606222000;;172745

open lake forecast for lake superior
national weather service marquette mi
411 am edt mon jun 22 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... 

this morning, lake superior is between a 30.2 inch high over 
northern manitoba and a 29.8 inch low over indiana. throughout 
today, the low will weaken to 29.9 inches and push to the east coast 
while the high shifts into hudson bay. the high expands over the 
upper great lakes tuesday. late tuesday into wednesday, a weak 30.0 
inch low will pass just south of lake superior from the dakotas. the 
low will slowly push into the lower great lakes thursday while 
ridging fills in behind associated with the high over hudson bay, 
now at 30.1 inches. weak high pressure remains over lake superior 
into the weekend while low pressure deepens over the central plains.




lsz267-222000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
411 am edt mon jun 22 2026

.early this morning...northwest winds 10 to 20 knots. waves calm
to 2 feet. 
.today...northwest winds 10 to 20 knots. waves calm to 2 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. waves calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots backing southeast
after midnight. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots. a chance of rain showers.
waves calm to 2 feet. 
.wednesday night...east winds 10 to 20 knots. a chance of rain
showers. waves calm to 2 feet. 
.thursday...northwest winds 10 to 20 knots. waves calm to 2 feet.
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 

$$