fzus61 kbuf 060803
glflo 
expires:202610061500;;617052

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt tue oct 6 2026

for waters beyond five nautical miles of shore on lake ontario

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

.synopsis...a 30.2 inch high will build east across the mid-alantic 
region today, then slide out to sea tonight through wednesday. a 
cold front will then pass across the lake thursday. a 30.1 inch 
surface high will then ridge north across the lake friday then drift 
off the coast over the weekend. 
.


loz062-061500-
lake ontario open waters from the niagara river to hamlin beach-
403 am edt tue oct 6 2026

.today...northwest winds 5 to 10 knots becoming west. waves 1 to
3 feet subsiding to 1 foot or less. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots. waves 3 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers. waves 2 to 4 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet. 
.friday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.saturday...southwest winds 10 knots or less becoming south.
waves 2 feet or less. 

$$

fzus61 kbuf 060803
glflo 
expires:202610061500;;617053

open lake forecast for lake ontario
national weather service buffalo ny
403 am edt tue oct 6 2026

for waters beyond five nautical miles of shore on lake ontario

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

.synopsis...a 30.2 inch high will build east across the mid-alantic 
region today, then slide out to sea tonight through wednesday. a 
cold front will then pass across the lake thursday. a 30.1 inch 
surface high will then ridge north across the lake friday then drift 
off the coast over the weekend. 
.


loz063>065-061500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 am edt tue oct 6 2026

.today...northwest winds 5 to 15 knots becoming west. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...south winds 15 to 25 knots becoming southwest. a
chance of showers in the afternoon. waves 3 to 5 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. showers likely. waves 2 to 4 feet. 
.thursday...west winds 15 to 20 knots. a chance of showers. waves
2 to 4 feet building to 3 to 6 feet, then subsiding to 2 to
4 feet. 
.friday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.saturday...west winds 5 to 10 knots becoming south and
increasing to 15 to 20 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 060759
glfle 
expires:202610061430;;616815

open lake forecast for lake erie
national weather service cleveland oh
359 am edt tue oct 6 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...
high pressure 30.25 inches will persist over lake erie through 
tonight before shifting east to the mid-atlantic region wednesday.
a cold front with pressure of 29.80 inches will cross lake erie 
wednesday night into early thursday. behind the front, high 
pressure of 30.25 inches will build over the lake thursday into 
friday. this high pressure system will shift east towards the new 
england coast by saturday.


lez162>164-061430-
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-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
359 am edt tue oct 6 2026

.today...southwest winds 5 to 10 knots becoming south. waves
1 foot or less. 
.tonight...south winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...west winds 10 to 15 knots. waves 1 to 2 feet. 
.thursday...west winds 10 to 15 knots becoming northwest. waves
1 to 2 feet. 
.friday...west winds 5 to 10 knots becoming south. waves 1 foot
or less. 
.saturday...south winds 10 to 15 knots. waves 2 feet or less. 

$$

fzus61 kcle 060759
glfle 
expires:202610061430;;616817

open lake forecast for lake erie
national weather service cleveland oh
359 am edt tue oct 6 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...
high pressure 30.25 inches will persist over lake erie through 
tonight before shifting east to the mid-atlantic region wednesday.
a cold front with pressure of 29.80 inches will cross lake erie 
wednesday night into early thursday. behind the front, high 
pressure of 30.25 inches will build over the lake thursday into 
friday. this high pressure system will shift east towards the new 
england coast by saturday.


lez061-168-169-061430-
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-
359 am edt tue oct 6 2026

.today...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tonight...southwest winds less than 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 3 to 5 feet. 
.thursday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.saturday...south winds 5 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 060759
glfle 
expires:202610061430;;616816

open lake forecast for lake erie
national weather service cleveland oh
359 am edt tue oct 6 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...
high pressure 30.25 inches will persist over lake erie through 
tonight before shifting east to the mid-atlantic region wednesday.
a cold front with pressure of 29.80 inches will cross lake erie 
wednesday night into early thursday. behind the front, high 
pressure of 30.25 inches will build over the lake thursday into 
friday. this high pressure system will shift east towards the new 
england coast by saturday.


lez165>167-061430-
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-
359 am edt tue oct 6 2026

.today...south winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tonight...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. waves 1 foot or less building to
3 to 5 feet. 
.wednesday...southwest winds 15 to 25 knots. waves 3 to 6 feet
building to 4 to 7 feet, then subsiding to 3 to 6 feet. waves
occasionally around 9 feet. 
.wednesday night...southwest winds 10 to 15 knots becoming west.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...west winds 10 to 15 knots becoming northwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.saturday...south winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 

$$

fzus63 kdtx 060732
glfsc 
expires:202610061545;;616328

lake st clair forecast
national weather service detroit/pontiac mi
332 am edt tue oct 6 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, 30.20 inches, drifts over the central
great lakes through tuesday morning. low pressure sliding over
northern ontario results in stronger southwest winds tuesday.
persistent influence of james bay low pressure then maintains
moderate northwesterly winds through thursday.


lcz460-061545-
lake st clair-
332 am edt tue oct 6 2026

.today...light and variable winds becoming south 5 to 10 knots in
the late morning and early afternoon...then increasing to 10 to 15
knots late in the afternoon. sunny. waves 2 feet or less.
.tonight...south winds 10 to 15 knots becoming southwest 20 to 25
knots. mostly clear. waves 1 to 3 feet.
.wednesday...southwest winds 15 to 20 knots diminishing to 10 to 15
knots early in the afternoon. mostly sunny. waves 1 to 3 feet.
.wednesday night...west winds 10 to 15 knots. mostly clear. waves 2
feet or less.
.thursday...northwest winds 10 to 15 knots. mostly clear. waves 2
feet or less.
.friday...southwest winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.saturday...south winds 15 to 20 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 060731
glflh 
expires:202610061545;;616326

open lake forecast for lake huron
national weather service detroit/pontiac mi
331 am edt tue oct 6 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, 30.20 inches, drifts over the central
great lakes through tuesday morning. low pressure sliding over
northern ontario results in stronger southwest winds tuesday.
persistent influence of james bay low pressure then maintains
moderate northwesterly winds through thursday.


lhz462>464-061545-
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-
331 am edt tue oct 6 2026

.today...light and variable winds becoming southwest 5 to
10 knots in the late morning and early afternoon...then becoming
south 10 to 15 knots late in the afternoon. waves 1 to 3 feet. 
.tonight...south winds 15 to 20 knots becoming southwest 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. waves 3 to 5 feet building to 4 to 6 feet after
midnight. waves occasionally around 8 feet. 
.wednesday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. waves 4 to 6 feet
subsiding to 1 to 3 feet early in the afternoon. waves
occasionally around 8 feet. 
.wednesday night...west winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet after midnight. 
.thursday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday...south winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet . 


$$

fzus63 kdtx 060731
glflh 
expires:202610061545;;616325

open lake forecast for lake huron
national weather service detroit/pontiac mi
331 am edt tue oct 6 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, 30.20 inches, drifts over the central
great lakes through tuesday morning. low pressure sliding over
northern ontario results in stronger southwest winds tuesday.
persistent influence of james bay low pressure then maintains
moderate northwesterly winds through thursday.


lhz362-363-061545-
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-
331 am edt tue oct 6 2026

.today...light and variable winds becoming south 5 to 10 knots
late in the morning...then increasing to 10 to 15 knots early in
the afternoon increasing to 15 to 20 knots with gusts to around
30 knots late in the afternoon. waves 1 to 3 feet building to
3 to 5 feet late in the afternoon. 
.tonight...south winds 20 to 25 knots veering to the southwest
early in the morning. gusts to 30 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.wednesday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 5 to 10 knots. waves 5 to 7 feet subsiding
to 2 to 4 feet early in the afternoon. waves occasionally around
10 feet. 
.wednesday night...west winds 10 to 15 knots. a chance of showers
in the evening. waves 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots late in the evening. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.friday...west winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight. waves 1 to 3 feet building to 2 to 4 feet . 
.saturday...south winds 5 to 10 knots increasing to 20 to
25 knots. waves 1 to 3 feet building to 5 to 7 feet. waves
occasionally around 10 feet. 


$$

fzus63 kdtx 060731
glflh 
expires:202610061545;;616324

open lake forecast for lake huron
national weather service detroit/pontiac mi
331 am edt tue oct 6 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, 30.20 inches, drifts over the central
great lakes through tuesday morning. low pressure sliding over
northern ontario results in stronger southwest winds tuesday.
persistent influence of james bay low pressure then maintains
moderate northwesterly winds through thursday.


lhz361-061545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
331 am edt tue oct 6 2026

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


$$

fzus63 kmkx 060805
glflm 
expires:202610061515;;617209

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 am cdt tue oct 6 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

south winds have develop across the lake ahead of a low pressure
around 29.4 inches moving toward the hudson bay. south southwest
winds will increase this morning leading to gales this afternoon 
and evening across the northern two thirds of the lake. gales to 
40 kts are expected. as the low approaches the hudson bay tonight,
a cold front will move down the lake turning the winds briefly to
the northwest wednesday morning. west to northwest winds will 
settle across the lake into thursday as high pressure around 30.1 
inches moves into the northern plains. 


lmz080-671-673-675-777-779-872-874-876-878-061515-
lake michigan from michigan city in to st. joseph mi 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 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-
305 am cdt tue oct 6 2026

port washington wi to whitehall mi south...

.today...south winds 15 to 25 kt increasing to 30 kt. waves 3 to
5 ft building to 6 to 9 ft occasionally to 12 ft. 
.tonight...south winds to 30 kt becoming west 15 to 25 kt. waves
6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.wednesday...west winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.wednesday night...west winds 10 to 20 kt becoming northwest.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.thursday...northwest winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.saturday...south winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft.  

$$

fzus63 kmkx 060805
glflm 
expires:202610061515;;617207

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 am cdt tue oct 6 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

south winds have develop across the lake ahead of a low pressure
around 29.4 inches moving toward the hudson bay. south southwest
winds will increase this morning leading to gales this afternoon 
and evening across the northern two thirds of the lake. gales to 
40 kts are expected. as the low approaches the hudson bay tonight,
a cold front will move down the lake turning the winds briefly to
the northwest wednesday morning. west to northwest winds will 
settle across the lake into thursday as high pressure around 30.1 
inches moves into the northern plains. 


lmz261-362-364-563-061515-
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 rock island passage to sturgeon bay wi-
305 am cdt tue oct 6 2026

sturgeon bay wi to point betsie mi north...

...gale warning in effect from 1 pm cdt this afternoon through
this evening...

.today...south winds to 30 kt increasing to gales to 40 kt.
chance of showers this morning. waves 4 to 6 ft occasionally to
8 ft building to 8 to 12 ft occasionally to 16 ft. 
.tonight...southwest gales to 40 kt becoming west to 30 kt after
midnight, then becoming northwest 10 to 20 kt late. slight chance
of showers in the evening. waves 8 to 12 ft occasionally to 16 ft
subsiding to 4 to 7 ft occasionally to 9 ft. 
.wednesday...northwest winds 10 to 20 kt becoming west. waves
3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday night...northwest winds 10 to 20 kt increasing to
15 to 25 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt. waves 3 to 5 ft. 
.thursday night...northwest winds 15 to 25 kt becoming west 10 to
15 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.friday...west winds 10 to 20 kt increasing to 15 to 25 kt. waves
1 to 3 ft. 
.saturday...south winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft building to 6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 060805
glflm 
expires:202610061515;;617208

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 am cdt tue oct 6 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

south winds have develop across the lake ahead of a low pressure
around 29.4 inches moving toward the hudson bay. south southwest
winds will increase this morning leading to gales this afternoon 
and evening across the northern two thirds of the lake. gales to 
40 kts are expected. as the low approaches the hudson bay tonight,
a cold front will move down the lake turning the winds briefly to
the northwest wednesday morning. west to northwest winds will 
settle across the lake into thursday as high pressure around 30.1 
inches moves into the northern plains. 


lmz366-565-567-669-868-870-061515-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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 sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
305 am cdt tue oct 6 2026

sturgeon bay wi to point betsie mi south to port washington wi to
whitehall mi...

...gale warning in effect from 1 pm cdt this afternoon through
this evening...

.today...south winds to 30 kt increasing to gales to 35 kt. waves
4 to 6 ft occasionally to 8 ft building to 7 to 10 ft
occasionally to 13 ft. 
.tonight...southwest gales to 35 kt diminishing to 30 kt late in
the evening, then becoming southwest to 30 kt after midnight
becoming northwest 15 to 25 kt late. waves 7 to 10 ft
occasionally to 13 ft subsiding to 5 to 8 ft occasionally to
10 ft. 
.wednesday...northwest winds 10 to 20 kt becoming west. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.wednesday night...west winds 10 to 20 kt becoming northwest.
waves 4 to 6 ft occasionally to 8 ft. 
.thursday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft. 
.friday...west winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...south winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft building to 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmqt 060801
glfls 
expires:202610062000;;616986

open lake forecast for lake superior
national weather service marquette mi
401 am edt tue oct 6 2026

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

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

.synopsis...

a 29.5 inch low dropping southeast into far northern ontario at 29.4 
inches this evening will bring 29.6 inch troughing over lake 
superior starting late this afternoon. this troughing over lake 
superior progressively weakens to 29.7 inches through wednesday. 
high pressure then builds back in from the canadian prairies and 
northern plains late in the work week, resulting in 30.1 to 30.2 
inch ridging over lake superior late thursday into friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.9 inch trough into the upper great lakes by 
saturday.




lsz162-062000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am edt tue oct 6 2026 /301 am cdt tue oct 6 2026/

.early this morning...southeast winds 10 to 20 knots. a slight
chance of showers. waves 1 to 3 feet. 
.today...south winds 15 to 25 knots veering west late. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.tonight...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.wednesday...west winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a slight chance of showers by mid
afternoon. waves building to 2 to 4 feet. 
.wednesday night...northwest winds 10 to 20 knots. waves
subsiding to 1 to 3 feet. 
.thursday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.thursday night...west winds 5 to 15 knots. waves calm to 2 feet.
.friday...west winds 5 to 15 knots becoming southeast 10 to
20 knots. waves building to 1 to 3 feet. 
.saturday...southeast winds 20 to 30 knots veering southwest.
waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 060801
glfls 
expires:202610062000;;616987

open lake forecast for lake superior
national weather service marquette mi
401 am edt tue oct 6 2026

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

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

.synopsis...

a 29.5 inch low dropping southeast into far northern ontario at 29.4 
inches this evening will bring 29.6 inch troughing over lake 
superior starting late this afternoon. this troughing over lake 
superior progressively weakens to 29.7 inches through wednesday. 
high pressure then builds back in from the canadian prairies and 
northern plains late in the work week, resulting in 30.1 to 30.2 
inch ridging over lake superior late thursday into friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.9 inch trough into the upper great lakes by 
saturday.




lsz263-062000-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
401 am edt tue oct 6 2026

.early this morning...south winds 10 to 20 knots. a slight chance
of showers. waves 1 to 3 feet building to 2 to 4 feet. 
.today...south winds 15 to 25 knots veering southwest in the
afternoon, then becoming west 10 to 20 knots late. a slight
chance of showers through early afternoon. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.tonight...west winds 10 to 20 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.wednesday...west winds 10 to 20 knots increasing to 20 to
30 knots. a slight chance of showers. waves building to 3 to
6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 15 to 25 knots. a slight
chance of showers. waves subsiding to 2 to 4 feet, then building
to 3 to 5 feet occasionally to 7 feet. 
.thursday...northwest winds 10 to 20 knots backing west by mid
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...west winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots becoming southeast 15 to
25 knots. waves building to 2 to 4 feet. 
.saturday...south winds 20 to 30 knots veering southwest. waves
building to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 060801
glfls 
expires:202610062000;;616988

open lake forecast for lake superior
national weather service marquette mi
401 am edt tue oct 6 2026

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

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

.synopsis...

a 29.5 inch low dropping southeast into far northern ontario at 29.4 
inches this evening will bring 29.6 inch troughing over lake 
superior starting late this afternoon. this troughing over lake 
superior progressively weakens to 29.7 inches through wednesday. 
high pressure then builds back in from the canadian prairies and 
northern plains late in the work week, resulting in 30.1 to 30.2 
inch ridging over lake superior late thursday into friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.9 inch trough into the upper great lakes by 
saturday.




lsz264-062000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 am edt tue oct 6 2026

.early this morning...south winds 10 to 20 knots. a slight chance
of showers. waves 1 to 3 feet building to 2 to 4 feet. 
.today...south winds 15 to 25 knots becoming west 10 to 20 knots
late. a chance of showers. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.tonight...west winds 10 to 20 knots. waves subsiding to 1 to
3 feet, then building to 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots increasing to 20 to
30 knots late. a chance of showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday night...northwest winds 15 to 25 knots. a slight
chance of showers. waves 3 to 6 feet occasionally to 8 feet. 
.thursday...northwest winds 15 to 25 knots backing west by mid
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...west winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming southeast 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.saturday...southeast gales to 35 knots becoming southwest 20 to
30 knots. waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 060801
glfls 
expires:202610062000;;616989

open lake forecast for lake superior
national weather service marquette mi
401 am edt tue oct 6 2026

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

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

.synopsis...

a 29.5 inch low dropping southeast into far northern ontario at 29.4 
inches this evening will bring 29.6 inch troughing over lake 
superior starting late this afternoon. this troughing over lake 
superior progressively weakens to 29.7 inches through wednesday. 
high pressure then builds back in from the canadian prairies and 
northern plains late in the work week, resulting in 30.1 to 30.2 
inch ridging over lake superior late thursday into friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.9 inch trough into the upper great lakes by 
saturday.




lsz265-062000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 am edt tue oct 6 2026

.early this morning...south winds 15 to 25 knots. a slight chance
of showers. waves 1 to 3 feet. 
.today...south winds 20 to 30 knots becoming west 10 to 20 knots
late. a chance of showers. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to calm to 2 feet. 
.tonight...west winds 15 to 25 knots increasing to 20 to 30 knots
after midnight. waves building to 2 to 4 feet. 
.wednesday...west winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible late. a slight
chance of showers through early afternoon. waves subsiding to
1 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.wednesday night...northwest gales to 35 knots diminishing to
20 to 30 knots after midnight. a chance of showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.thursday...northwest winds 20 to 30 knots backing west by mid
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...west winds 15 to 25 knots veering northwest
after midnight. waves subsiding to calm to 2 feet. 
.friday...northwest winds 10 to 20 knots becoming southeast 15 to
25 knots. waves building to 2 to 4 feet. 
.saturday...south gales to 35 knots veering southwest. waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 060801
glfls 
expires:202610062000;;616990

open lake forecast for lake superior
national weather service marquette mi
401 am edt tue oct 6 2026

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

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

.synopsis...

a 29.5 inch low dropping southeast into far northern ontario at 29.4 
inches this evening will bring 29.6 inch troughing over lake 
superior starting late this afternoon. this troughing over lake 
superior progressively weakens to 29.7 inches through wednesday. 
high pressure then builds back in from the canadian prairies and 
northern plains late in the work week, resulting in 30.1 to 30.2 
inch ridging over lake superior late thursday into friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.9 inch trough into the upper great lakes by 
saturday.




lsz266-062000-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
401 am edt tue oct 6 2026

...gale warning in effect from 9 am this morning to 3 pm edt this
afternoon...

.early this morning...south winds 15 to 25 knots. a slight chance
of showers. waves 2 to 4 feet building to 3 to 5 feet
occasionally to 7 feet. 
.today...south gales to 35 knots diminishing to 20 to 30 knots
late. a chance of showers. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.tonight...west winds 15 to 25 knots becoming northwest 20 to
30 knots late. waves subsiding to 2 to 4 feet. 
.wednesday...west winds 20 to 30 knots. a slight chance of
showers. waves building to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 20 to 30 knots. a slight
chance of thunderstorms through midnight. a chance of showers.
waves building to 4 to 7 feet occasionally to 9 feet. 
.thursday...northwest winds 20 to 30 knots. a chance of showers.
waves 4 to 7 feet occasionally to 9 feet. 
.thursday night...west winds 15 to 25 knots veering northwest
after midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots becoming south 15 to
25 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.saturday...south gales to 35 knots. waves building to 5 to
9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 060801
glfls 
expires:202610062000;;616991

open lake forecast for lake superior
national weather service marquette mi
401 am edt tue oct 6 2026

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

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

.synopsis...

a 29.5 inch low dropping southeast into far northern ontario at 29.4 
inches this evening will bring 29.6 inch troughing over lake 
superior starting late this afternoon. this troughing over lake 
superior progressively weakens to 29.7 inches through wednesday. 
high pressure then builds back in from the canadian prairies and 
northern plains late in the work week, resulting in 30.1 to 30.2 
inch ridging over lake superior late thursday into friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.9 inch trough into the upper great lakes by 
saturday.




lsz267-062000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 am edt tue oct 6 2026

.early this morning...south winds 10 to 20 knots. waves calm to
2 feet building to 1 to 3 feet. 
.today...south 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. a slight chance of showers.
waves building to 3 to 6 feet occasionally to 8 feet. 
.tonight...southwest winds 15 to 25 knots veering northwest late.
a slight chance of showers through midnight. waves subsiding to
1 to 3 feet, then building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 25 knots becoming west 20 to
30 knots in the afternoon. a chance of showers. waves building to
3 to 5 feet occasionally to 7 feet. 
.wednesday night...northwest winds 20 to 30 knots. a slight
chance of thunderstorms through midnight. a chance of showers.
waves building to 4 to 7 feet occasionally to 9 feet. 
.thursday...northwest winds 20 to 30 knots. a chance of showers.
waves building to 4 to 8 feet occasionally to 10 feet. 
.thursday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. a chance of showers. waves
subsiding to 2 to 4 feet. 
.friday...west winds 10 to 20 knots backing south. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.saturday...south winds 15 to 25 knots increasing to 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet. 

$$