fzus61 kbuf 070802
glflo 
expires:202610071500;;670586

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed oct 7 2026

for waters beyond five nautical miles of shore on lake ontario

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

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


loz063>065-071500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt wed oct 7 2026

.today...south winds 15 to 25 knots becoming southwest. a chance
of showers this afternoon. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely through the early overnight, then a
chance of showers late. 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. 
.thursday night...west winds 15 to 20 knots. a chance of showers.
waves 3 to 6 feet. 
.friday...west winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.saturday...south winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.sunday...south winds 15 to 20 knots becoming southeast 10 to
15 knots. a chance of showers during the day, then showers likely
sunday night. waves 1 to 3 feet. 

$$

fzus61 kbuf 070802
glflo 
expires:202610071500;;670585

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt wed oct 7 2026

for waters beyond five nautical miles of shore on lake ontario

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

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


loz062-071500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt wed oct 7 2026

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

$$

fzus61 kcle 070754
glfle 
expires:202610071415;;670255

open lake forecast for lake erie
national weather service cleveland oh
354 am edt wed oct 7 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a cold front will move southeast across the lake tonight. high 
pressure 30.30 inches builds in from the west on thursday and 
persists through early saturday. a remnant tropical low pressure 
29.90 inches will track across the area from the south early 
sunday through monday.


lez164>166-071415-
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-
354 am edt wed oct 7 2026

.today...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. 
.tonight...southwest winds 15 to 20 knots becoming west. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...northwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.saturday...south winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots. showers likely during the
day, then a chance of showers sunday night. waves 1 to 3 feet. 

$$

fzus61 kcle 070754
glfle 
expires:202610071415;;670256

open lake forecast for lake erie
national weather service cleveland oh
354 am edt wed oct 7 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a cold front will move southeast across the lake tonight. high 
pressure 30.30 inches builds in from the west on thursday and 
persists through early saturday. a remnant tropical low pressure 
29.90 inches will track across the area from the south early 
sunday through monday.


lez061-167>169-071415-
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-
354 am edt wed oct 7 2026

.today...southwest winds 15 to 25 knots. a slight chance of
showers late. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. a slight
chance of showers early, then a slight chance of showers and
thunderstorms late in the evening. waves 3 to 6 feet. 
.thursday...northwest winds 15 to 20 knots becoming west. waves
2 to 4 feet. 
.thursday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.saturday...south winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots. showers likely. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 070754
glfle 
expires:202610071415;;670254

open lake forecast for lake erie
national weather service cleveland oh
354 am edt wed oct 7 2026

for waters beyond five nautical miles of shore on lake erie

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

.synopsis...
a cold front will move southeast across the lake tonight. high 
pressure 30.30 inches builds in from the west on thursday and 
persists through early saturday. a remnant tropical low pressure 
29.90 inches will track across the area from the south early 
sunday through monday.


lez162-163-071415-
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-
354 am edt wed oct 7 2026

.today...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...northwest winds 10 to 15 knots becoming west. waves
1 to 2 feet. 
.thursday night...west winds 5 to 15 knots becoming northwest.
waves 2 feet or less. 
.friday...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.saturday...south winds 10 to 15 knots. waves 2 feet or less. 
.sunday...south winds around 10 knots becoming northeast. showers
likely during the day, then a chance of showers sunday night.
waves 2 feet or less. 

$$

fzus63 kdtx 070739
glfsc 
expires:202610071545;;669917

lake st clair forecast
national weather service detroit/pontiac mi
339 am edt wed oct 7 2026

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

.synopsis...a cold front slowly tracking through the central great
lakes triggers scattered showers over lake huron this afternoon
and evening. stronger southwest winds early this morning shift to
the west-northwest behind the front. persistent influence of 
james bay low pressure maintains moderate northwesterly winds 
through thursday night.


lcz460-071545-
lake st clair-
339 am edt wed oct 7 2026

.today...southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the afternoon. partly sunny early in the morning then
clearing. waves 1 to 3 feet.
.tonight...west winds 15 to 20 knots diminishing to 10 to 15 knots
after midnight. partly cloudy. waves 2 feet or less.
.thursday...west winds 10 to 15 knots. sunny. waves 2 feet or less.
.thursday night...northwest winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. clear. waves 2 feet or less.
.friday...west winds 5 to 10 knots backing to the southwest in the
afternoon...then becoming south 10 to 15 knots in the evening. sunny
in the morning becoming mostly clear. waves 2 feet or less.
.saturday...south winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.sunday...southeast winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.

$$

fzus63 kdtx 070739
glflh 
expires:202610071545;;669918

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 am edt wed oct 7 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...a cold front slowly tracking through the central great
lakes triggers scattered showers over lake huron this afternoon
and evening. stronger southwest winds early this morning shift to
the west-northwest behind the front. persistent influence of 
james bay low pressure maintains moderate northwesterly winds 
through thursday night.


lhz361-362-071545-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
339 am edt wed oct 7 2026

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


$$

fzus63 kdtx 070739
glflh 
expires:202610071545;;669919

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 am edt wed oct 7 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...a cold front slowly tracking through the central great
lakes triggers scattered showers over lake huron this afternoon
and evening. stronger southwest winds early this morning shift to
the west-northwest behind the front. persistent influence of 
james bay low pressure maintains moderate northwesterly winds 
through thursday night.


lhz363-071545-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
339 am edt wed oct 7 2026

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


$$

fzus63 kdtx 070739
glflh 
expires:202610071545;;669920

open lake forecast for lake huron
national weather service detroit/pontiac mi
339 am edt wed oct 7 2026

for waters beyond five nautical miles off shore on lake huron

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

.synopsis...a cold front slowly tracking through the central great
lakes triggers scattered showers over lake huron this afternoon
and evening. stronger southwest winds early this morning shift to
the west-northwest behind the front. persistent influence of 
james bay low pressure maintains moderate northwesterly winds 
through thursday night.


lhz462>464-071545-
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-
339 am edt wed oct 7 2026

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


$$

fzus63 kmkx 070755
glflm 
expires:202610071515;;670259

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
255 am cdt wed oct 7 2026

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

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

.synopsis...

gusty south southwest winds early this morning will turn to
northwesterly briefly this morning as a cold front tracks down 
the lake. behind the front this afternoon and evening, winds will 
turn back to westerly. west to northwest winds will settle across 
the lake through thursday, as high pressure around 30.1 inches 
moved into the northern plains. winds will once again become 
southerly later friday into friday night, as the high departs the 
upper great lakes and low pressure around 29.2 inches approaches 
from the northern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-071515-
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-
255 am cdt wed oct 7 2026

sheboygan wi to pentwater mi south...

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

$$

fzus63 kmkx 070755
glflm 
expires:202610071515;;670258

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
255 am cdt wed oct 7 2026

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

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

.synopsis...

gusty south southwest winds early this morning will turn to
northwesterly briefly this morning as a cold front tracks down 
the lake. behind the front this afternoon and evening, winds will 
turn back to westerly. west to northwest winds will settle across 
the lake through thursday, as high pressure around 30.1 inches 
moved into the northern plains. winds will once again become 
southerly later friday into friday night, as the high departs the 
upper great lakes and low pressure around 29.2 inches approaches 
from the northern plains.


lmz261-362-364-366-563-565-567-868-071515-
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-
255 am cdt wed oct 7 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 10 to 20 kt becoming west 15 to 25 kt.
slight chance of showers this afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 1 to 3 ft. 
.tonight...west winds 15 to 25 kt becoming northwest 10 to 20 kt.
waves 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt becoming west. waves 3 to
5 ft subsiding to 2 to 4 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft. 
.friday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 2 ft building to 4 to 6 ft occasionally to 8 ft. 
.friday night...south winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.saturday...south winds to 30 kt increasing to gales to 35 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.sunday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 070801
glfls 
expires:202610072000;;670504

open lake forecast for lake superior
national weather service marquette mi
401 am edt wed oct 7 2026

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

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

.synopsis...

29.7 inch troughing continues today as the associated 29.4 inch low 
tracks eastward across far northern ontario towards james bay. high 
pressure then builds in from the canadian prairies and northern 
plains late in the work week, with 30.0 inch ridging over lake 
superior on thursday strengthening to 30.1 inches on friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.8 inch trough into the upper great lakes by 
saturday which continues into sunday.




lsz264-072000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 am edt wed oct 7 2026

.early this morning...west winds 15 to 25 knots. waves 2 to
4 feet. 
.today...west winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon. a chance of showers. waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.tonight...northwest winds 15 to 25 knots. a chance of showers
through midnight. waves building to 3 to 6 feet occasionally to
8 feet. 
.thursday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. sprinkles through early afternoon. waves building
to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to
5 feet occasionally to 7 feet. 
.thursday night...northwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight. a chance of showers through
midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 5 to 15 knots increasing to 15 to
25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...southeast winds 20 to 30 knots becoming southwest
gales to 35 knots. waves building to 4 to 7 feet occasionally to
9 feet. 
.sunday...southwest winds 20 to 30 knots veering north. a chance
of showers. waves subsiding to 2 to 4 feet, then building to 3 to
6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202610072000;;670505

open lake forecast for lake superior
national weather service marquette mi
401 am edt wed oct 7 2026

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

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

.synopsis...

29.7 inch troughing continues today as the associated 29.4 inch low 
tracks eastward across far northern ontario towards james bay. high 
pressure then builds in from the canadian prairies and northern 
plains late in the work week, with 30.0 inch ridging over lake 
superior on thursday strengthening to 30.1 inches on friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.8 inch trough into the upper great lakes by 
saturday which continues into sunday.




lsz265-072000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 am edt wed oct 7 2026

.early this morning...northwest winds 20 to 30 knots. waves 1 to
3 feet. 
.today...west winds 20 to 30 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible late. a chance of
showers. waves building to 3 to 5 feet occasionally to 7 feet. 
.tonight...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots after
midnight, then increasing to 30 knots with a few gale force gusts
to 35 knots possible late. a chance of showers through midnight.
waves subsiding to 2 to 4 feet, then building to 3 to 6 feet
occasionally to 8 feet. 
.thursday...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots late.
sprinkles through early afternoon. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet. 
.thursday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. sprinkles through midnight. waves
subsiding to calm to 2 feet. 
.friday...west winds 10 to 20 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 15 to 25 knots. waves building to
2 to 4 feet. 
.saturday...southeast gales to 35 knots veering southwest. waves
building to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest winds 20 to 30 knots veering northwest. waves
subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202610072000;;670502

open lake forecast for lake superior
national weather service marquette mi
401 am edt wed oct 7 2026

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

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

.synopsis...

29.7 inch troughing continues today as the associated 29.4 inch low 
tracks eastward across far northern ontario towards james bay. high 
pressure then builds in from the canadian prairies and northern 
plains late in the work week, with 30.0 inch ridging over lake 
superior on thursday strengthening to 30.1 inches on friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.8 inch trough into the upper great lakes by 
saturday which continues into sunday.




lsz162-072000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 am edt wed oct 7 2026 /301 am cdt wed oct 7 2026/

.early this morning...west winds 10 to 20 knots. waves calm to
2 feet. 
.today...west winds 10 to 20 knots increasing to 20 to 30 knots.
sprinkles by mid afternoon. waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.tonight...west winds 15 to 25 knots diminishing to 10 to
20 knots late. sprinkles through midnight. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.thursday...west winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. waves subsiding to calm to 2 feet. 
.thursday night...west winds 5 to 15 knots. waves calm to 2 feet.
.friday...southwest winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.friday night...east winds 10 to 20 knots. waves building to 1 to
3 feet. 
.saturday...east winds 20 to 30 knots becoming southwest gales to
35 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.sunday...southwest winds 15 to 25 knots veering north. waves
subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202610072000;;670507

open lake forecast for lake superior
national weather service marquette mi
401 am edt wed oct 7 2026

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

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

.synopsis...

29.7 inch troughing continues today as the associated 29.4 inch low 
tracks eastward across far northern ontario towards james bay. high 
pressure then builds in from the canadian prairies and northern 
plains late in the work week, with 30.0 inch ridging over lake 
superior on thursday strengthening to 30.1 inches on friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.8 inch trough into the upper great lakes by 
saturday which continues into sunday.




lsz267-072000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 am edt wed oct 7 2026

.early this morning...northwest winds 15 to 25 knots. waves 2 to
4 feet. 
.today...northwest winds 15 to 25 knots becoming west 20 to
30 knots in the afternoon. a slight chance of showers and
thunderstorms by mid afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...northwest winds 20 to 30 knots. a chance of showers.
waves building to 3 to 6 feet occasionally to 8 feet. 
.thursday...northwest 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 chance of
showers. waves building to 5 to 9 feet occasionally to 11 feet. 
.thursday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. a chance of showers through
midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.friday night...south winds 10 to 20 knots becoming southeast
15 to 25 knots after midnight. waves building to 1 to 3 feet. 
.saturday...southeast winds 20 to 30 knots veering south. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet. 
.sunday...southwest winds 15 to 25 knots. waves subsiding to 2 to
4 feet, then building to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202610072000;;670506

open lake forecast for lake superior
national weather service marquette mi
401 am edt wed oct 7 2026

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

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

.synopsis...

29.7 inch troughing continues today as the associated 29.4 inch low 
tracks eastward across far northern ontario towards james bay. high 
pressure then builds in from the canadian prairies and northern 
plains late in the work week, with 30.0 inch ridging over lake 
superior on thursday strengthening to 30.1 inches on friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.8 inch trough into the upper great lakes by 
saturday which continues into sunday.




lsz266-072000-
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 wed oct 7 2026

.early this morning...northwest winds 20 to 30 knots. waves 2 to
4 feet. 
.today...northwest winds 20 to 30 knots backing west in the
afternoon. a chance of showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...northwest winds 20 to 30 knots. a slight chance of
thunderstorms through midnight. a chance of showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.thursday...northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots in the
afternoon. a chance of showers. waves building to 5 to 9 feet
occasionally to 11 feet. 
.thursday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. a chance of showers through
midnight. waves subsiding to 1 to 3 feet. 
.friday...west winds 10 to 20 knots backing southeast by mid
afternoon. waves subsiding to calm to 2 feet. 
.friday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...southeast gales to 40 knots becoming south gales to
35 knots. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest winds 20 to 30 knots veering west. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 070801
glfls 
expires:202610072000;;670503

open lake forecast for lake superior
national weather service marquette mi
401 am edt wed oct 7 2026

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

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

.synopsis...

29.7 inch troughing continues today as the associated 29.4 inch low 
tracks eastward across far northern ontario towards james bay. high 
pressure then builds in from the canadian prairies and northern 
plains late in the work week, with 30.0 inch ridging over lake 
superior on thursday strengthening to 30.1 inches on friday. a 29.4 
inch clipper low then develops off the northern rockies late friday 
and extends a 29.6 to 29.8 inch trough into the upper great lakes by 
saturday which continues into sunday.




lsz263-072000-
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 wed oct 7 2026

.early this morning...west winds 10 to 20 knots. waves 1 to
3 feet. 
.today...west winds 10 to 20 knots increasing to 20 to 30 knots.
a chance of showers. waves building to 3 to 6 feet occasionally
to 8 feet. 
.tonight...northwest winds 15 to 25 knots. a chance of showers
through midnight. waves subsiding to 2 to 4 feet, then building
to 3 to 5 feet occasionally to 7 feet. 
.thursday...northwest winds 15 to 25 knots backing west in the
afternoon. waves building to 3 to 6 feet occasionally to 8 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...southwest winds 5 to 15 knots backing southeast by mid
afternoon. waves calm to 2 feet. 
.friday night...southeast winds 10 to 20 knots. waves building to
1 to 3 feet. 
.saturday...southeast winds 20 to 30 knots becoming southwest
gales to 35 knots. waves building to 4 to 7 feet occasionally to
9 feet. 
.sunday...southwest winds 20 to 30 knots veering north. a chance
of showers. waves subsiding to 2 to 4 feet, then building to 3 to
6 feet occasionally to 8 feet. 

$$