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fzus61 kbuf 281307
glflo 
expires:202610282115;;857006

open lake forecast for lake ontario
national weather service buffalo ny
907 am edt wed oct 28 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 ridge averaging 30.6 inches affects the lake through 
thursday as the embedded high pressure center wobbles southeastward 
from northern ontario to north atlantic waters southeast of the 
canadian maritimes. the ridge exits eastward thursday night as a 
cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through this saturday. the high will drift eastward while a 
29.9 inch low is expected to move into the lower mississippi valley 
sunday.


loz062-282115-
lake ontario open waters from the niagara river to hamlin beach-
907 am edt wed oct 28 2026

.this afternoon...east winds 10 knots or less. waves 2 feet or
less. 
.tonight...east winds 10 knots or less becoming southwest. waves
1 foot or less. 
.thursday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers in the afternoon. waves 2 feet or
less building to 3 to 5 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest. a chance of showers. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.friday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds less than 10 knots becoming
southeast. waves 1 foot or less. 
.sunday...east winds less than 10 knots becoming southeast. waves
1 foot or less. 

$$
fzus61 kbuf 281307
glflo 
expires:202610282115;;857007

open lake forecast for lake ontario
national weather service buffalo ny
907 am edt wed oct 28 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 ridge averaging 30.6 inches affects the lake through 
thursday as the embedded high pressure center wobbles southeastward 
from northern ontario to north atlantic waters southeast of the 
canadian maritimes. the ridge exits eastward thursday night as a 
cold front sweeps eastward across the lake. behind the front, 
another ridge averaging 30.2 inches builds from the western great 
lakes through this saturday. the high will drift eastward while a 
29.9 inch low is expected to move into the lower mississippi valley 
sunday.


loz063>065-282115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
907 am edt wed oct 28 2026

.this afternoon...southeast winds 10 knots or less becoming east.
waves 2 feet or less. 
.tonight...east winds 5 to 15 knots becoming south. waves 1 to
3 feet. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday night...southwest winds 15 to 20 knots becoming west. a
chance of showers. waves 3 to 5 feet. 
.friday...northwest winds 15 to 20 knots. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.saturday...north winds 10 knots or less becoming south. waves
2 feet or less. 
.sunday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 

$$
fzus61 kcle 281330
glfle 
expires:202610282015;;857956

open lake forecast for lake erie
national weather service cleveland oh
930 am edt wed oct 28 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 ridge averaging 30.20 inches will gradually weaken ahead of a 
cold front on thursday night. high pressure of 30.40 inches builds
over the eastern great lakes again friday into saturday before a 
warm front lifts north across the lake on sunday.


lez162-163-282015-
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-
930 am edt wed oct 28 2026

.this afternoon...southwest winds 10 knots or less becoming
southeast. waves 1 foot or less. 
.tonight...southeast winds 5 to 10 knots becoming southwest.
waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots becoming west. a
chance of showers in the afternoon. waves 1 to 2 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest. a
chance of showers in the evening. waves 1 to 2 feet. 
.friday...north winds 5 to 10 knots becoming east. waves 1 foot
or less. 
.saturday...east winds 5 to 10 knots. waves 2 feet or less. 
.sunday...east winds 5 to 10 knots becoming southeast. a chance
of showers sunday night. waves 1 foot or less. 

$$
fzus61 kcle 281330
glfle 
expires:202610282015;;857957

open lake forecast for lake erie
national weather service cleveland oh
930 am edt wed oct 28 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 ridge averaging 30.20 inches will gradually weaken ahead of a 
cold front on thursday night. high pressure of 30.40 inches builds
over the eastern great lakes again friday into saturday before a 
warm front lifts north across the lake on sunday.


lez164>166-282015-
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-
930 am edt wed oct 28 2026

.this afternoon...south winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.tonight...southeast winds 10 knots or less becoming southwest
10 to 15 knots. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming east. waves
2 feet or less. 
.saturday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less. 
.sunday...southeast winds 5 to 10 knots. a chance of showers
sunday night. waves 2 feet or less. 

$$
fzus61 kcle 281330
glfle 
expires:202610282015;;857958

open lake forecast for lake erie
national weather service cleveland oh
930 am edt wed oct 28 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 ridge averaging 30.20 inches will gradually weaken ahead of a 
cold front on thursday night. high pressure of 30.40 inches builds
over the eastern great lakes again friday into saturday before a 
warm front lifts north across the lake on sunday.


lez061-167>169-282015-
ripley to buffalo ny extending from 5nm 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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
930 am edt wed oct 28 2026

.this afternoon...south winds 10 knots or less becoming west.
waves 1 foot or less. 
.tonight...southeast winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday night...southwest winds 10 to 15 knots becoming
northwest. a chance of showers. waves 2 to 4 feet. 
.friday...northwest winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.saturday...east winds 5 to 10 knots. waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots. waves 1 foot or less. 

$$
fzus63 kdtx 281346
glfsc 
expires:202610282200;;858280

lake st clair forecast
national weather service detroit/pontiac mi
946 am edt wed oct 28 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, 30.50 inches, will settle over southern
quebec this evening. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lcz460-282200-
lake st clair-
946 am edt wed oct 28 2026

.rest of today...light and variable winds becoming southeast 5 to 10
knots late in the afternoon. mostly sunny. waves 2 feet or less.
.tonight...south winds 5 to 10 knots becoming southwest 10 to 15
knots early in the morning. clear. waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots. mostly sunny. a chance
of light rain early in the afternoon. waves 1 to 3 feet.
.thursday night...northwest winds 10 to 15 knots. partly cloudy
until early morning then clearing. waves 2 feet or less.
.friday...north winds 5 to 10 knots becoming light and variable.
sunny becoming mostly sunny in the afternoon becoming partly cloudy.
waves 2 feet or less.
.saturday...east winds 5 to 10 knots. mostly cloudy. waves 2 feet or
less.
.sunday...southeast winds 5 to 10 knots. mostly cloudy. waves 2 feet
or less.

$$
fzus63 kdtx 281346
glflh 
expires:202610282200;;858269

open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt wed oct 28 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, 30.50 inches, will settle over southern
quebec this evening. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lhz361-282200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
946 am edt wed oct 28 2026

.rest of today...south winds 5 to 10 knots in the late morning
and early afternoon becoming light and variable. waves 1 to
3 feet. 
.tonight...light and variable winds becoming south 5 to 10 knots
late in the evening...then increasing to 10 to 15 knots after
midnight increasing to 15 to 20 knots early in the morning. rain
likely after midnight. waves 1 to 3 feet building to 2 to 4 feet
early in the morning. 
.thursday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and early afternoon...then becoming
west 15 to 20 knots early in the afternoon. waves 2 to 4 feet. 
.thursday night...northwest winds 15 to 20 knots. waves 2 to
4 feet. 
.friday...west winds 15 to 20 knots becoming northwest 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon. 
.saturday...light and variable winds. waves 2 feet or less. 
.sunday...light and variable winds. waves 2 feet or less. 


$$
fzus63 kdtx 281346
glflh 
expires:202610282200;;858270

open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt wed oct 28 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, 30.50 inches, will settle over southern
quebec this evening. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lhz362-363-282200-
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-
946 am edt wed oct 28 2026

.rest of today...south winds 10 to 15 knots. waves 2 to 4 feet. 
.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots early in the morning. a chance of rain after midnight.
waves 1 to 3 feet building to 3 to 5 feet early in the morning. 
.thursday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots early in the afternoon.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.thursday night...northwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. waves 3 to
5 feet. 
.friday...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon. 
.saturday...light and variable winds becoming southeast 5 to
10 knots by midnight. waves 2 feet or less. 
.sunday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less. 


$$
fzus63 kdtx 281346
glflh 
expires:202610282200;;858271

open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt wed oct 28 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, 30.50 inches, will settle over southern
quebec this evening. low pressure is forecast to move across
northern ontario into quebec on thursday, dragging a cold front
across the great lakes. this front will provide the next chance
for light rain.


lhz462>464-282200-
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-
946 am edt wed oct 28 2026

.rest of today...south winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and overnight. waves 1 to 3 feet. 
.thursday...southwest winds 15 to 20 knots. a chance of rain in
the afternoon. waves 2 to 4 feet. 
.thursday night...west winds 10 to 15 knots veering to the
northwest after midnight. waves 1 to 3 feet building to 2 to
4 feet after midnight. 
.friday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon becoming west 5 to 10 knots late in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 10 knots veering to the southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots. waves 2 feet or less. 


$$
fzus63 kmkx 281348
glflm 
expires:202610282115;;858441

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
848 am cdt wed oct 28 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...

no major changes to the going forecast this morning.

high pressure of 30.4 inches over new england will move offshore
later today, while weak low pressure over the central high plains
tracks to western lake superior for this evening. the low will
then deepen to 29.5 inches as it tracks northeast across ontario
into quebec through thursday. modest south winds today will become
breezy tonight with gusts approaching gale force over far northern
lake michigan. winds then become southwesterly and come around 
to northwesterly with the passage of a cold front thursday
morning. winds then quickly slow behind the front thursday 
afternoon and evening as high pressure of 30.2 inches works in 
from the central plains.


lmz261-362-364-366-563-565-567-868-282115-
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-
848 am cdt wed oct 28 2026

sheboygan wi to pentwater mi north...

.rest of today...south winds 10 to 20 kt. waves 2 to 4 ft. 
.tonight...south winds to 30 kt becoming southwest. slight chance
of showers in the evening, then showers likely with slight chance
of thunderstorms overnight. waves 3 to 5 ft building to 6 to 9 ft
occasionally to 12 ft. 
.thursday...west winds to 30 kt diminishing to 10 to 20 kt late
in the morning, then becoming northwest early in the afternoon
becoming northwest 10 to 20 kt late. waves 5 to 8 ft occasionally
to 10 ft subsiding to 3 to 5 ft. 
.thursday night...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 2 to 4 ft. 
.friday...northwest winds 10 to 20 kt. waves 1 to 3 ft. 
.friday night...southwest winds 10 to 15 kt backing to east.
waves 1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday...southeast winds 5 to 10 kt. waves 1 to 2 ft.  

$$
fzus63 kmkx 281348
glflm 
expires:202610282115;;858442

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
848 am cdt wed oct 28 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...

no major changes to the going forecast this morning.

high pressure of 30.4 inches over new england will move offshore
later today, while weak low pressure over the central high plains
tracks to western lake superior for this evening. the low will
then deepen to 29.5 inches as it tracks northeast across ontario
into quebec through thursday. modest south winds today will become
breezy tonight with gusts approaching gale force over far northern
lake michigan. winds then become southwesterly and come around 
to northwesterly with the passage of a cold front thursday
morning. winds then quickly slow behind the front thursday 
afternoon and evening as high pressure of 30.2 inches works in 
from the central plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-282115-
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-
848 am cdt wed oct 28 2026

sheboygan wi to pentwater mi south...

.rest of today...south winds 10 to 15 kt increasing to 10 to
20 kt. waves 2 to 4 ft. 
.tonight...south winds 15 to 25 kt becoming southwest to 30 kt.
chance of showers and slight chance of thunderstorms overnight.
waves 4 to 7 ft occasionally to 9 ft. 
.thursday...southwest winds 15 to 25 kt becoming northwest 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft. 
.thursday night...northwest winds 10 to 20 kt becoming north.
waves 2 to 4 ft. 
.friday...northeast winds 5 to 10 kt. waves 1 to 3 ft subsiding
to 1 to 2 ft. 
.friday night...east winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...east winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday...east winds 10 to 15 kt. waves 1 to 2 ft.  

$$
fzus63 kmqt 281401
glfls 
expires:202610282000;;858935

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed oct 28 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...

a 29.7 inch low over manitoba this morning tracks to northern 
ontario tonight as a developing 29.8 inch colorado low ejects out of 
the central plains and merges with this feature over lake superior. 
high pressure of 30.2 to 30.3 inches returns to the upper great 
lakes late thursday into friday, strengthening to 30.4 inches over 
the lower great lakes on saturday as ridging of 30.1 to 30.2 inches 
lingers over lake superior through the weekend.




lsz162-282000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt wed oct 28 2026 /900 am cdt wed oct 28 2026/

.rest of today...southwest winds 10 to 20 knots diminishing to
5 to 15 knots in the afternoon, then backing east late. showers
likely and a slight chance of thunderstorms by mid afternoon.
waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots veering west after midnight,
then increasing to 15 to 25 knots late. showers and a slight
chance of thunderstorms through midnight. waves building to 2 to
4 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots late. waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet. 
.thursday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...east winds less than 10 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 281401
glfls 
expires:202610282000;;858936

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed oct 28 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...

a 29.7 inch low over manitoba this morning tracks to northern 
ontario tonight as a developing 29.8 inch colorado low ejects out of 
the central plains and merges with this feature over lake superior. 
high pressure of 30.2 to 30.3 inches returns to the upper great 
lakes late thursday into friday, strengthening to 30.4 inches over 
the lower great lakes on saturday as ridging of 30.1 to 30.2 inches 
lingers over lake superior through the weekend.




lsz263-282000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 am edt wed oct 28 2026

.rest of today...west winds 5 to 15 knots backing southwest in
the afternoon, then backing east late. a chance of showers and a
slight chance of thunderstorms by mid afternoon. waves 1 to
3 feet subsiding to calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots becoming west 15 to
25 knots after midnight. showers and a slight chance of
thunderstorms through midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 5 to
9 feet occasionally to 11 feet. 
.thursday night...west winds 15 to 25 knots becoming northwest
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.friday night...west winds 5 to 15 knots becoming northwest less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds less than 10 knots. waves calm to 2 feet.
.sunday...southwest winds less than 10 knots backing south. waves
calm to 2 feet. 

$$
fzus63 kmqt 281401
glfls 
expires:202610282000;;858937

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed oct 28 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...

a 29.7 inch low over manitoba this morning tracks to northern 
ontario tonight as a developing 29.8 inch colorado low ejects out of 
the central plains and merges with this feature over lake superior. 
high pressure of 30.2 to 30.3 inches returns to the upper great 
lakes late thursday into friday, strengthening to 30.4 inches over 
the lower great lakes on saturday as ridging of 30.1 to 30.2 inches 
lingers over lake superior through the weekend.




lsz264-282000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am edt wed oct 28 2026

.rest of today...west winds 5 to 15 knots backing south late. a
slight chance of showers by mid afternoon. waves 1 to 3 feet
subsiding to calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots becoming west 15 to
25 knots after midnight. showers and a slight chance of
thunderstorms through midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible in the afternoon,
then diminishing to 20 to 30 knots late. waves building to 5 to
9 feet occasionally to 11 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots backing south.
waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots becoming south less than
10 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 281401
glfls 
expires:202610282000;;858938

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed oct 28 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...

a 29.7 inch low over manitoba this morning tracks to northern 
ontario tonight as a developing 29.8 inch colorado low ejects out of 
the central plains and merges with this feature over lake superior. 
high pressure of 30.2 to 30.3 inches returns to the upper great 
lakes late thursday into friday, strengthening to 30.4 inches over 
the lower great lakes on saturday as ridging of 30.1 to 30.2 inches 
lingers over lake superior through the weekend.




lsz265-282000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am edt wed oct 28 2026

.rest of today...southwest winds 10 to 20 knots diminishing to
5 to 15 knots in the afternoon, then backing southeast late. a
slight chance of showers by mid afternoon. waves calm to 2 feet. 
.tonight...southeast winds 20 to 30 knots veering south after
midnight, then veering west late. showers and a slight chance of
thunderstorms through midnight, then a chance of showers after
midnight. waves building to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
40 knots possible. waves building to 5 to 9 feet occasionally to
11 feet. 
.thursday night...northwest winds 20 to 30 knots. waves subsiding
to 2 to 4 feet. 
.friday...northwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.friday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 281401
glfls 
expires:202610282000;;858939

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed oct 28 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...

a 29.7 inch low over manitoba this morning tracks to northern 
ontario tonight as a developing 29.8 inch colorado low ejects out of 
the central plains and merges with this feature over lake superior. 
high pressure of 30.2 to 30.3 inches returns to the upper great 
lakes late thursday into friday, strengthening to 30.4 inches over 
the lower great lakes on saturday as ridging of 30.1 to 30.2 inches 
lingers over lake superior through the weekend.




lsz266-282000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 am edt wed oct 28 2026

.rest of today...southwest winds 15 to 25 knots diminishing to
5 to 15 knots in the afternoon, then backing southeast late.
waves 2 to 4 feet subsiding to calm to 2 feet. 
.tonight...southeast winds 20 to 30 knots veering south after
midnight, then veering west late. showers through midnight. a
slight chance of thunderstorms. a chance of showers after
midnight. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
40 knots possible. waves building to 8 to 11 feet occasionally to
14 feet. 
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.friday night...northwest winds 5 to 15 knots backing west after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 281401
glfls 
expires:202610282000;;858940

open lake forecast for lake superior
national weather service marquette mi
1000 am edt wed oct 28 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...

a 29.7 inch low over manitoba this morning tracks to northern 
ontario tonight as a developing 29.8 inch colorado low ejects out of 
the central plains and merges with this feature over lake superior. 
high pressure of 30.2 to 30.3 inches returns to the upper great 
lakes late thursday into friday, strengthening to 30.4 inches over 
the lower great lakes on saturday as ridging of 30.1 to 30.2 inches 
lingers over lake superior through the weekend.




lsz267-282000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am edt wed oct 28 2026

.rest of today...south winds 15 to 25 knots becoming southwest
10 to 20 knots in the afternoon, then becoming southeast 5 to
15 knots late. a slight chance of showers by mid afternoon. waves
1 to 3 feet subsiding to calm to 2 feet. 
.tonight...southeast winds 15 to 25 knots becoming south 20 to
30 knots after midnight, then becoming southwest to 30 knots with
a few gale force gusts to 35 knots possible late. a chance of
showers and a slight chance of thunderstorms. waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 40 knots possible in the afternoon.
waves building to 9 to 12 feet occasionally to 15 feet. 
.thursday night...northwest gales to 35 knots diminishing to
20 to 30 knots after midnight. waves subsiding to 4 to 7 feet
occasionally to 9 feet. 
.friday...northwest winds 15 to 25 knots backing west by mid
afternoon. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.friday night...northwest winds 5 to 15 knots backing west after
midnight. waves subsiding to calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots backing south. waves
calm to 2 feet. 
.sunday...south winds 5 to 15 knots. waves calm to 2 feet. 

$$
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