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fzus61 kbuf 220202
glflo 
expires:202606220900;;156714

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun jun 21 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 30.0 inch broad area of high pressure will settle east 
of the lake tonight. in its wake a 29.7 inch low is then forecast to 
move south of the lower great lakes monday and monday night, 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.


loz062-220900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt sun jun 21 2026

.overnight...southwest winds less than 10 knots. a chance
of showers late. waves 1 foot or less. 
.monday...east winds 5 to 15 knots becoming northeast. showers.
waves 2 feet or less building to 2 to 3 feet. 
.monday night...northeast winds 5 to 15 knots becoming west
10 knots or less. a chance of showers in the evening. waves 1 to
3 feet. 
.tuesday...west winds 5 to 10 knots. waves 1 foot or less. 
.tuesday night...west winds 5 to 10 knots becoming northwest.
waves 2 feet or less. 
.wednesday...west winds less than 10 knots becoming south. waves
1 foot or less. 
.thursday...southeast winds 10 knots or less becoming southwest.
a chance of showers and thunderstorms. waves 1 foot or less. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of showers during the day. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 220202
glflo 
expires:202606220900;;156715

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt sun jun 21 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 30.0 inch broad area of high pressure will settle east 
of the lake tonight. in its wake a 29.7 inch low is then forecast to 
move south of the lower great lakes monday and monday night, 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>065-220900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt sun jun 21 2026

.overnight...southwest winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.monday...southeast winds 5 to 15 knots becoming northeast 15 to
20 knots. a chance of showers early, then showers from late
morning on. waves 1 to 3 feet. 
.monday night...northeast winds 15 to 20 knots becoming northwest
5 to 15 knots. showers likely in the evening. waves 1 to 3 feet
subsiding to 1 foot or less. 
.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...west winds 5 to 15 knots becoming south less than
10 knots. waves 1 foot or less. 
.thursday...south winds 10 knots or less. a chance of showers
during the day, then showers likely with a chance of
thunderstorms thursday night. waves 1 foot or less. 
.friday...southwest winds 5 to 15 knots becoming west. a chance
of showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 220142
glfle 
expires:202606220830;;156020

open lake forecast for lake erie
national weather service cleveland oh
942 pm edt sun jun 21 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 trough averaging 29.80 inches will impact lake erie through 
monday as the parent low of 29.70 inches wobbles east-northeastward
from southern illinois to near central pennsylvania. behind the 
low and trough, a ridge averaging 30.00 inches should build from 
the upper midwest monday night through tuesday and then begin to 
exit eastward by wednesday. a warm front should drift northeastward
across lake erie wednesday night through thursday morning and a 
cold front should sweep eastward across the lake thursday evening 
through friday morning as a low of 29.80 inches wobbles 
east-northeastward from the upper midwest to southern quebec. 
behind the cold front, a ridge averaging 30.10 inches should build
from the upper midwest through the remainder of this friday.


lez162-163-220830-
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-
942 pm edt sun jun 21 2026

.rest of tonight...east winds 10 to 15 knots increasing to 15 to
25 knots. a chance of showers late this evening, then showers
after midnight. waves 1 foot or less building to 3 to 5 feet. 
.monday...east winds 15 to 25 knots becoming northeast. showers
likely early, then a chance of showers. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.monday night...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...north winds 10 knots or less becoming northwest. waves
2 feet or less. 
.tuesday night...northwest winds 10 knots or less becoming east.
waves 1 foot or less. 
.wednesday...south winds 10 knots or less. a chance of showers
and thunderstorms wednesday night. waves 1 foot or less. 
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms during the day. waves 1 foot or
less. 
.friday...west winds 5 to 10 knots becoming northeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 220142
glfle 
expires:202606220830;;156021

open lake forecast for lake erie
national weather service cleveland oh
942 pm edt sun jun 21 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 trough averaging 29.80 inches will impact lake erie through 
monday as the parent low of 29.70 inches wobbles east-northeastward
from southern illinois to near central pennsylvania. behind the 
low and trough, a ridge averaging 30.00 inches should build from 
the upper midwest monday night through tuesday and then begin to 
exit eastward by wednesday. a warm front should drift northeastward
across lake erie wednesday night through thursday morning and a 
cold front should sweep eastward across the lake thursday evening 
through friday morning as a low of 29.80 inches wobbles 
east-northeastward from the upper midwest to southern quebec. 
behind the cold front, a ridge averaging 30.10 inches should build
from the upper midwest through the remainder of this friday.


lez164>167-220830-
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-
942 pm edt sun jun 21 2026

.rest of tonight...east winds 10 to 15 knots increasing to 15 to
20 knots. a slight chance of showers late this evening, then
showers after midnight. waves 1 foot or less building to 3 to
5 feet. 
.monday...northeast winds 15 to 25 knots. showers in the morning,
then a chance of showers early in the afternoon. a slight chance
of showers late. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday night...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 northwest. waves
1 to 3 feet subsiding to 1 foot or less. 
.tuesday night...northwest winds 10 knots or less becoming north.
waves 2 feet or less. 
.wednesday...west winds 10 knots or less becoming south. 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 to 2 feet. 
.friday...west winds 5 to 10 knots becoming southeast. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 220142
glfle 
expires:202606220830;;156022

open lake forecast for lake erie
national weather service cleveland oh
942 pm edt sun jun 21 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 trough averaging 29.80 inches will impact lake erie through 
monday as the parent low of 29.70 inches wobbles east-northeastward
from southern illinois to near central pennsylvania. behind the 
low and trough, a ridge averaging 30.00 inches should build from 
the upper midwest monday night through tuesday and then begin to 
exit eastward by wednesday. a warm front should drift northeastward
across lake erie wednesday night through thursday morning and a 
cold front should sweep eastward across the lake thursday evening 
through friday morning as a low of 29.80 inches wobbles 
east-northeastward from the upper midwest to southern quebec. 
behind the cold front, a ridge averaging 30.10 inches should build
from the upper midwest through the remainder of this friday.


lez061-168-169-220830-
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-
942 pm edt sun jun 21 2026

.rest of tonight...south winds 10 knots or less becoming east
10 to 15 knots. a slight chance of showers after midnight.
showers likely late. waves 1 foot or less. 
.monday...east winds 15 to 25 knots becoming northeast. showers
in the morning, then a chance of showers in the afternoon. waves
2 to 4 feet building to 3 to 6 feet. 
.monday night...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 2 feet or less. 
.wednesday...west winds 10 knots or less becoming south. a chance
of showers wednesday night. waves 1 foot or less. 
.thursday...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.friday...west winds 10 knots or less becoming southwest. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 211935
glflh 
expires:202606220345;;141992

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 pm edt sun jun 21 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, move east
across the ohio valley tonight into tomorrow morning. this will
bring active weather across the southern great lakes. high
pressure, 30.20 inches, will then build in tomorrow night into
tuesday, keeping winds light.


lhz361-220345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
335 pm edt sun jun 21 2026

.tonight...light and variable winds. waves 2 feet or less. 
.monday...north winds 5 to 10 knots backing to the west in the
afternoon. waves 2 feet or less. 
.monday night...northwest winds 10 to 15 knots decreasing to 5 to
10 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  becoming light and
variable. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots. a chance of showers. waves 2 feet or less. 
.thursday...east winds 5 to 10 knots backing to the northeast
early in the evening...then backing to the northwest by midnight.
a chance of showers. a chance of thunderstorms until early
evening. waves 2 feet or less. 
.friday...west winds 5 to 10 knots. waves 2 feet or less. 


$$
fzus63 kdtx 211935
glfsc 
expires:202606220345;;141996

lake st clair forecast
national weather service detroit/pontiac mi
335 pm edt sun jun 21 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, move east
across the ohio valley tonight into tomorrow morning. this will
bring active weather across the southern great lakes. high
pressure, 30.20 inches, will then build in tomorrow night into
tuesday, keeping winds light.


lcz460-220345-
lake st clair-
335 pm edt sun jun 21 2026

.tonight...southeast winds 5 to 10 knots becoming east 10 to 15
knots after midnight. a chance of light showers late in the evening.
showers after midnight. waves 2 feet or less.
.monday...northeast winds 15 to 20 knots diminishing to 10 to 15
knots late in the afternoon. partly sunny. showers likely early in
the morning...then a chance of light showers late in the morning.
waves 1 to 3 feet.
.monday night...north winds 10 to 15 knots. clear. waves 2 feet or
less.
.tuesday...north winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and afternoon. mostly sunny. waves 2 feet or
less.
.tuesday night...northeast winds 10 to 15 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 showers in the evening. waves 2 feet or less.
.thursday...west winds 5 to 10 knots. partly cloudy. showers likely
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 211935
glflh 
expires:202606220345;;141994

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 pm edt sun jun 21 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, move east
across the ohio valley tonight into tomorrow morning. this will
bring active weather across the southern great lakes. high
pressure, 30.20 inches, will then build in tomorrow night into
tuesday, keeping winds light.


lhz462>464-220345-
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-
335 pm edt sun jun 21 2026

.tonight...east winds 5 to 10 knots. a chance of showers after
midnight. waves 2 feet or less. 
.monday...east winds 5 to 10 knots backing to the northeast early
in the afternoon...then becoming northeast 5 to 10 knots late in
the afternoon. a chance of showers in the morning. waves 1 to
3 feet. 
.monday night...north winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.tuesday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming east 5 to 10 knots
late in the afternoon. a chance of showers late in the afternoon.
rain showers likely late in the evening. waves 2 feet or less. 
.thursday...southeast winds 5 to 10 knots backing to the
northeast by midnight. showers likely early in the morning. a
chance of thunderstorms until early evening. a chance of showers
. 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 211935
glflh 
expires:202606220345;;141993

open lake forecast for lake huron
national weather service detroit/pontiac mi
335 pm edt sun jun 21 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, move east
across the ohio valley tonight into tomorrow morning. this will
bring active weather across the southern great lakes. high
pressure, 30.20 inches, will then build in tomorrow night into
tuesday, keeping winds light.


lhz362-363-220345-
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-
335 pm edt sun jun 21 2026

.tonight...light and variable winds. waves 2 feet or less. 
.monday...light and variable winds becoming north 5 to 10 knots
in the afternoon. waves 2 feet or less. 
.monday night...north winds 5 to 10 knots becoming northwest
10 to 15 knots 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 5 to 10 knots. waves 1 to 3 feet. 
.tuesday night...light and variable winds. waves 2 feet or less. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots late in the afternoon. a chance of showers. waves 2 feet
or less. 
.thursday...southeast winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 
.friday...west winds 5 to 10 knots until afternoon becoming light
and variable. waves 2 feet or less. 


$$
fzus63 kmkx 220200
glflm 
expires:202606220915;;156598

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt sun jun 21 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 29.7 inches will track eastward from
northeastern missouri to ohio by monday. light easterly winds will
persist across much of the lake with breezy northeast winds across
the far southern portion tonight through monday. lighter 
northerly winds are expected late monday evening into tuesday as 
high pressure around 30.1 inches builds into the region. winds
will become light and variable tuesday night as the high pressure
tracks overhead. by wednesday, the high pressure will exit to the
southeast and low pressure around 29.8 inches moves from the
northern plains into northern wisconsin. as the low approaches
breezy south to southeast winds will develop across the lake. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-220915-
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-
900 pm cdt sun jun 21 2026

sheboygan wi to pentwater mi south...

.rest of tonight...east winds 15 to 25 kt becoming northeast to
30 kt. showers through early evening, then chance of showers
overnight. waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft. 
.monday...north winds to 30 kt diminishing to 15 to 25 kt. waves
4 to 6 ft occasionally to 8 ft. 
.monday night...north winds 15 to 25 kt diminishing to 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.tuesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.tuesday night...northeast winds 10 to 15 kt veering to
southwest. waves 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 2 ft building to 1 to 3 ft. 
.wednesday night...south winds 10 to 15 kt becoming southwest
5 to 10 kt. chance of showers and thunderstorms. waves 1 to 3 ft.
.thursday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft. 
.friday...northwest winds 10 to 15 kt becoming northeast 10 to
20 kt. waves 1 to 2 ft.  

$$
fzus63 kmkx 220200
glflm 
expires:202606220915;;156597

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt sun jun 21 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 29.7 inches will track eastward from
northeastern missouri to ohio by monday. light easterly winds will
persist across much of the lake with breezy northeast winds across
the far southern portion tonight through monday. lighter 
northerly winds are expected late monday evening into tuesday as 
high pressure around 30.1 inches builds into the region. winds
will become light and variable tuesday night as the high pressure
tracks overhead. by wednesday, the high pressure will exit to the
southeast and low pressure around 29.8 inches moves from the
northern plains into northern wisconsin. as the low approaches
breezy south to southeast winds will develop across the lake. 


lmz261-362-364-366-563-565-567-868-220915-
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-
900 pm cdt sun jun 21 2026

sheboygan wi to pentwater mi north...

.rest of tonight...east winds less than 10 kt becoming northeast
late this evening, then becoming 10 to 15 kt after midnight
becoming north 10 to 20 kt late. waves 1 to 2 ft. 
.monday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft. 
.monday night...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 10 to 15 kt becoming northwest 10 to
20 kt. waves 1 to 2 ft. 
.tuesday night...north winds 5 to 10 kt veering to southeast.
waves 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
showers likely in the morning, then showers likely with a chance
of thunderstorms in the afternoon. waves 1 to 2 ft building to
1 to 3 ft. 
.wednesday night...southeast winds 10 to 15 kt becoming south.
chance of showers and thunderstorms. waves 1 to 3 ft. 
.thursday...northwest winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft. 
.friday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 1 ft or less.  

$$
fzus63 kmqt 220201
glfls 
expires:202606220800;;156676

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sun jun 21 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

high pressure builds over lake superior tonight into early tuesday 
morning to 30.2 inches and remains in place through the day. 
pressure decreases beginning wednesday morning, falling to 29.9 
inches by thursday morning. broad 30.0 inch high pressure fills in 
over the upper great lakes for friday.




lsz162-220800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt sun jun 21 2026 /901 pm cdt sun jun 21 2026/

.rest of tonight...northeast winds 5 to 15 knots backing north
late. waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing southwest in the
afternoon, then veering north late. waves calm to 2 feet. 
.monday night...north winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots veering northeast by mid
afternoon. a chance of rain showers by mid afternoon. waves calm
to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots. a chance of rain
showers through midnight. a slight 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 5 to 15 knots. 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 220201
glfls 
expires:202606220800;;156677

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sun jun 21 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

high pressure builds over lake superior tonight into early tuesday 
morning to 30.2 inches and remains in place through the day. 
pressure decreases beginning wednesday morning, falling to 29.9 
inches by thursday morning. broad 30.0 inch high pressure fills in 
over the upper great lakes for friday.




lsz263-220800-
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-
1001 pm edt sun jun 21 2026

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

$$
fzus63 kmqt 220201
glfls 
expires:202606220800;;156678

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sun jun 21 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

high pressure builds over lake superior tonight into early tuesday 
morning to 30.2 inches and remains in place through the day. 
pressure decreases beginning wednesday morning, falling to 29.9 
inches by thursday morning. broad 30.0 inch high pressure fills in 
over the upper great lakes for friday.




lsz264-220800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm edt sun jun 21 2026

.rest of tonight...northwest winds less than 10 knots increasing
to 5 to 15 knots late. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...west winds less than 10 knots backing southwest by mid
afternoon. 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 5 to 15 knots. a chance of rain showers.
waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots becoming northeast
less than 10 knots after midnight. waves calm to 2 feet. 
.thursday...north winds less than 10 knots becoming northwest
5 to 15 knots. 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 220201
glfls 
expires:202606220800;;156679

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sun jun 21 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

high pressure builds over lake superior tonight into early tuesday 
morning to 30.2 inches and remains in place through the day. 
pressure decreases beginning wednesday morning, falling to 29.9 
inches by thursday morning. broad 30.0 inch high pressure fills in 
over the upper great lakes for friday.




lsz265-220800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm edt sun jun 21 2026

.rest of tonight...north winds 5 to 15 knots backing northwest
late. waves calm to 2 feet. 
.monday...northwest winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then becoming west 5 to 15 knots late.
waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots. a chance of
showers. waves calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots backing east by mid
afternoon. showers likely through early afternoon. a chance of
thunderstorms. a chance of showers by mid afternoon. waves calm
to 2 feet. 
.wednesday night...east winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.friday...northwest winds 5 to 15 knots backing southeast. waves
calm to 2 feet. 

$$
fzus63 kmqt 220201
glfls 
expires:202606220800;;156680

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sun jun 21 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

high pressure builds over lake superior tonight into early tuesday 
morning to 30.2 inches and remains in place through the day. 
pressure decreases beginning wednesday morning, falling to 29.9 
inches by thursday morning. broad 30.0 inch high pressure fills in 
over the upper great lakes for friday.




lsz266-220800-
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-
1001 pm edt sun jun 21 2026

.rest of tonight...north winds 5 to 15 knots backing northwest
after midnight. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots. waves calm to 2 feet. 
.monday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...northwest winds 5 to 15 knots backing west by mid
afternoon. 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...southeast winds 5 to 15 knots backing east by mid
afternoon. a chance of showers. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots. waves calm to
2 feet. 
.thursday...north winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing west. waves calm
to 2 feet. 

$$
fzus63 kmqt 220201
glfls 
expires:202606220800;;156681

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sun jun 21 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis... 

high pressure builds over lake superior tonight into early tuesday 
morning to 30.2 inches and remains in place through the day. 
pressure decreases beginning wednesday morning, falling to 29.9 
inches by thursday morning. broad 30.0 inch high pressure fills in 
over the upper great lakes for friday.




lsz267-220800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm edt sun jun 21 2026

.rest of tonight...north winds 5 to 15 knots backing northwest
after midnight. waves calm to 2 feet. 
.monday...northwest winds 10 to 20 knots. waves calm to 2 feet. 
.monday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.tuesday...west winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.tuesday night...northwest winds 5 to 15 knots becoming southeast
less than 10 knots 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 5 to 15 knots increasing to 10 to
20 knots after midnight. a chance of showers and thunderstorms.
waves calm to 2 feet. 
.thursday...east winds 5 to 15 knots backing northwest. waves
calm to 2 feet. 
.friday...west winds 5 to 15 knots veering northwest. waves calm
to 2 feet. 

$$
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