fzus61 kbuf 130202
glflo 
expires:202610130900;;000063

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon oct 12 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 29.8 inches will slide eastward across 
the lower great lakes tonight. a cold front will sweep southeast 
across the lake on tuesday. behind the cold front, a ridge averaging 
30.2 inches builds from northern ontario through thursday. a low 
averaging 29.5 inches may move across the great lakes region friday. 
there is uncertainity in the track of this low, with the potential 
of deepening as it crosses the region. a 30.5 inch high will build 
into the great lakes region saturday through sunday.


loz062-130900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt mon oct 12 2026

.overnight...southwest winds 5 to 10 knots becoming south.
showers likely with a chance of thunderstorms late. waves 2 feet
or less. 
.tuesday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. showers likely with a chance of thunderstorms. waves
2 feet or less building to 2 to 4 feet. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots. a chance of showers and thunderstorms
in the evening. waves 2 to 4 feet subsiding to 1 to 2 feet. 
.wednesday...west winds 10 to 15 knots becoming northwest. waves
1 to 2 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming southeast.
showers thursday night. waves 1 to 2 feet. 
.friday...southwest winds 15 to 20 knots becoming northwest and
increasing to 30 knots. showers during the day, then showers
likely friday night. waves 1 to 3 feet building to 7 to 11 feet.
waves occasionally around 14 feet. 
.saturday...northwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. waves 6 to 10 feet subsiding to
3 to 6 feet. waves occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 130202
glflo 
expires:202610130900;;000064

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt mon oct 12 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 29.8 inches will slide eastward across 
the lower great lakes tonight. a cold front will sweep southeast 
across the lake on tuesday. behind the cold front, a ridge averaging 
30.2 inches builds from northern ontario through thursday. a low 
averaging 29.5 inches may move across the great lakes region friday. 
there is uncertainity in the track of this low, with the potential 
of deepening as it crosses the region. a 30.5 inch high will build 
into the great lakes region saturday through sunday.


loz063>065-130900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt mon oct 12 2026

.overnight...south winds 10 to 15 knots. showers likely
with a chance of thunderstorms late. waves 2 feet or less. 
.tuesday...south winds 5 to 15 knots. showers with a chance of
thunderstorms. waves 2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots becoming
northwest. showers likely with a chance of thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 3 feet. 
.wednesday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming north
15 to 20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...northeast winds 15 to 20 knots becoming southeast.
showers likely thursday night. waves 1 to 3 feet. 
.friday...south winds 15 to 20 knots becoming northwest and
increasing to 35 knot gales. showers. waves 3 to 5 feet building
to 10 to 13 feet. waves occasionally around 16 feet. 
.saturday...northwest winds to 30 knots becoming west. a chance
of showers during the day. waves 8 to 12 feet subsiding to 5 to
8 feet. waves occasionally around 15 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130124
glfle 
expires:202610130815;;999254

open lake forecast for lake erie
national weather service cleveland oh
924 pm edt mon oct 12 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 cross the lake late tuesday into wednesday. 
high pressure 30.20 inches will briefly build over the great lakes
thursday, followed by low pressure 29.80 inches and an 
accompanying cold front crossing the region friday. a trough 
averaging 29.90 inches will persist over the eastern basin of the 
lake as high pressure 30.40 inches builds in from the west on 
saturday.


lez164>166-130815-
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-
924 pm edt mon oct 12 2026

.overnight...southwest winds 15 to 20 knots. a slight
chance of showers and thunderstorms late. waves 2 to 4 feet. 
.tuesday...southwest winds 15 to 20 knots. a slight chance of
showers and thunderstorms in the morning. waves 3 to 5 feet. 
.tuesday night...west winds 15 to 20 knots diminishing to 5 to
10 knots. a chance of showers overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.wednesday...northwest winds 5 to 10 knots becoming north.
showers likely. waves 1 foot or less. 
.wednesday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots. a chance of showers in the evening. waves 1 to
3 feet building to 2 to 4 feet. 
.thursday...northeast winds 10 to 15 knots becoming southwest
15 to 20 knots. a chance of showers during the day, then showers
thursday night. waves 1 to 3 feet. 
.friday...west winds to 30 knots becoming northwest and
increasing to 35 knot gales. showers likely during the day. waves
5 to 8 feet building to 8 to 11 feet. waves occasionally around
14 feet. 
.saturday...northwest winds to 30 knots becoming southwest and
diminishing to 15 to 20 knots. waves 6 to 9 feet subsiding to
1 to 3 feet. waves occasionally around 11 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130124
glfle 
expires:202610130815;;999255

open lake forecast for lake erie
national weather service cleveland oh
924 pm edt mon oct 12 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 cross the lake late tuesday into wednesday. 
high pressure 30.20 inches will briefly build over the great lakes
thursday, followed by low pressure 29.80 inches and an 
accompanying cold front crossing the region friday. a trough 
averaging 29.90 inches will persist over the eastern basin of the 
lake as high pressure 30.40 inches builds in from the west on 
saturday.


lez061-167>169-130815-
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-
924 pm edt mon oct 12 2026

.overnight...southwest winds 15 to 20 knots. a chance of
showers with a slight chance of thunderstorms late. waves 2 to
4 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest. a
chance of showers with a slight chance of thunderstorms early,
then a slight chance of showers and thunderstorms late in the
morning. waves 3 to 6 feet. 
.tuesday night...west winds 15 to 25 knots becoming northwest and
diminishing to 5 to 15 knots. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.wednesday...northwest winds 5 to 10 knots. a chance of showers.
waves 1 to 2 feet. 
.wednesday night...north winds 10 to 15 knots becoming northeast
15 to 20 knots. a chance of showers in the evening. waves 1 to
3 feet. 
.thursday...northeast winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers during the day, then showers
thursday night. waves 1 to 3 feet. 
.friday...west winds to 30 knots becoming northwest and
increasing to 35 knot gales. showers during the day, then a
chance of showers friday night. waves 5 to 8 feet building to
8 to 11 feet. waves occasionally around 14 feet. 
.saturday...northwest winds to 30 knots becoming west 15 to
25 knots. waves 7 to 10 feet subsiding to 2 to 4 feet. waves
occasionally around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 130124
glfle 
expires:202610130815;;999253

open lake forecast for lake erie
national weather service cleveland oh
924 pm edt mon oct 12 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 cross the lake late tuesday into wednesday. 
high pressure 30.20 inches will briefly build over the great lakes
thursday, followed by low pressure 29.80 inches and an 
accompanying cold front crossing the region friday. a trough 
averaging 29.90 inches will persist over the eastern basin of the 
lake as high pressure 30.40 inches builds in from the west on 
saturday.


lez162-163-130815-
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-
924 pm edt mon oct 12 2026

.overnight...southwest winds 10 to 15 knots. a slight
chance of showers and thunderstorms late. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west. waves
1 to 3 feet. 
.tuesday night...west winds 5 to 15 knots becoming northwest. a
chance of showers overnight. waves 1 to 3 feet subsiding to
1 foot or less. 
.wednesday...north winds 5 to 10 knots. showers likely. waves
1 foot or less. 
.wednesday night...northeast winds 10 to 15 knots increasing to
15 to 20 knots. a chance of showers in the evening. waves 1 to
3 feet. 
.thursday...northeast winds 15 to 20 knots becoming southwest.
showers. waves 1 to 3 feet. 
.friday...west winds to 30 knots becoming northwest. a chance of
showers during the day. waves 3 to 6 feet. 
.saturday...northwest winds 15 to 25 knots becoming southwest and
diminishing to 10 to 15 knots. waves 3 to 5 feet subsiding to
1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 130124
glfsc 
expires:202610130930;;999257

lake st clair forecast
national weather service detroit/pontiac mi
924 pm edt mon oct 12 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...low pressure, 29.60 inches, moves across northern
lower michigan this morning. departure of this system will then
facilitate the passage of a cold front wednesday morning, 
bringing breezy northwest flow across northern lake huron.


lcz460-130930-
lake st clair-
924 pm edt mon oct 12 2026

.rest of tonight...southwest winds 10 to 15 knots. partly cloudy.
scattered light showers and a chance of thunderstorms after
midnight. waves 1 to 3 feet.
.tuesday...southwest winds 10 to 15 knots increasing to 15 to 20
knots in the late morning and afternoon. partly sunny early in the
morning then clearing. numerous light showers and a chance of
thunderstorms early in the morning. waves 1 to 3 feet.
.tuesday night...west winds 15 to 20 knots becoming northwest 5 to
10 knots. mostly clear. a chance of light rain after midnight. waves
2 feet or less.
.wednesday...north winds 5 to 10 knots. mostly cloudy. a chance of
light rain in the late morning and early afternoon. waves 2 feet or
less.
.wednesday night...northeast winds 10 to 15 knots. partly cloudy.
waves 1 to 3 feet.
.thursday...east winds 10 to 15 knots. partly sunny in the morning.
a chance of light rain in the afternoon. light rain in the evening.
waves 2 feet or less.
.friday...northwest at 35 knot gales with gusts to 40 knot gales.
partly cloudy. light rain. waves 3 to 5 feet. waves occasionally
around 7 feet.  a gale warning may be needed.
.saturday...west at 35 knot gales with gusts to 40 knot gales.
mostly clear. waves 3 to 5 feet. waves occasionally around 7 feet.

$$

fzus63 kdtx 130124
glflh 
expires:202610130930;;999249

open lake forecast for lake huron
national weather service detroit/pontiac mi
924 pm edt mon oct 12 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...low pressure, 29.60 inches, moves across northern
lower michigan this morning. departure of this system will then
facilitate the passage of a cold front wednesday morning, 
bringing breezy northwest flow across northern lake huron.


lhz361-362-130930-
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-
924 pm edt mon oct 12 2026

.rest of tonight...northeast winds 15 to 20 knots. scattered
showers this evening...then numerous showers and a chance of
thunderstorms after midnight. waves 3 to 5 feet. 
.tuesday...east winds 10 to 15 knots. rain likely in the
morning...then a chance of rain in the afternoon. waves 2 to
4 feet subsiding to 1 to 3 feet late in the afternoon. 
.tuesday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots by midnight...then increasing to 10 to 15 knots
after midnight. waves 1 to 3 feet. 
.wednesday...northwest winds 15 to 20 knots. waves 3 to 5 feet. 
.wednesday night...northwest winds 15 to 20 knots becoming north
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet. 
.thursday...east winds 5 to 10 knots becoming south 10 to
15 knots late in the evening. rain likely late in the afternoon.
rain late in the evening. waves 1 to 3 feet. 
.friday...west winds 20 to 25 knots with gusts to 35 knot gales
becoming northwest at 40 knot gales with storm force gusts to
50 knots until early evening...then decreasing to 30 knots with
gusts to 45 knot gales by midnight. rain early in the morning.
rain likely in the late morning and early afternoon...then a
chance of rain early in the evening. waves 6 to 9 feet building
to 14 to 18 feet. waves occasionally around 23 feet. a gale
warning may be needed. 
.saturday...northwest winds 20 to 25 knots with gusts to 35 knot
gales becoming west 15 to 20 knots with gusts to around 30 knots
early in the evening...then decreasing to 10 to 15 knots by
midnight. waves 6 to 9 feet subsiding to 3 to 5 feet by midnight.
waves occasionally around 12 feet. 


$$

fzus63 kdtx 130124
glflh 
expires:202610130930;;999250

open lake forecast for lake huron
national weather service detroit/pontiac mi
924 pm edt mon oct 12 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...low pressure, 29.60 inches, moves across northern
lower michigan this morning. departure of this system will then
facilitate the passage of a cold front wednesday morning, 
bringing breezy northwest flow across northern lake huron.


lhz363-462-130930-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
924 pm edt mon oct 12 2026

.rest of tonight...northeast winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. scattered showers and a chance of
thunderstorms after midnight. waves 2 to 4 feet. 
.tuesday...southeast winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then veering
to the west late in the afternoon. a chance of thunderstorms and
scattered showers in the morning. waves 1 to 3 feet building to
2 to 4 feet in the afternoon. 
.tuesday night...northwest winds 10 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet after midnight. 
.wednesday...northwest winds 10 to 15 knots. waves 2 to 4 feet. 
.wednesday night...north winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots becoming east 5 to
10 knots late in the morning...then veering to the southeast late
in the evening. rain likely late in the afternoon. rain late in
the evening. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 20 to 25 knots with gusts to around 30 knots
becoming northwest at 40 knot gales with storm force gusts to
50 knots. rain early in the morning. a chance of rain. waves 6 to
9 feet building to 15 to 20 feet. waves occasionally around
25 feet. a gale warning may be needed. 
.saturday...northwest winds to 30 knots with gusts to 35 knot
gales decreasing to 20 to 25 knots with gusts to around 30 knots
in the late morning and early afternoon...then becoming west
15 to 20 knots . waves 10 to 14 feet subsiding to 4 to 6 feet .
waves occasionally around 18 feet. 


$$

fzus63 kdtx 130124
glflh 
expires:202610130930;;999251

open lake forecast for lake huron
national weather service detroit/pontiac mi
924 pm edt mon oct 12 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...low pressure, 29.60 inches, moves across northern
lower michigan this morning. departure of this system will then
facilitate the passage of a cold front wednesday morning, 
bringing breezy northwest flow across northern lake huron.


lhz463-464-130930-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
924 pm edt mon oct 12 2026

.rest of tonight...south winds 10 to 15 knots decreasing to 5 to
10 knots after midnight...then increasing to 10 to 15 knots early
in the morning. numerous showers and a chance of thunderstorms
after midnight. waves 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the afternoon. scattered showers and a chance of
thunderstorms in the morning. waves 1 to 3 feet building to 2 to
4 feet in the afternoon. 
.tuesday night...northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.wednesday...northwest winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon. 
.wednesday night...north winds 10 to 15 knots increasing to 15 to
20 knots by midnight...then decreasing to 10 to 15 knots after
midnight. waves 3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots becoming east 5 to
10 knots late in the morning...then becoming southeast 10 to
15 knots late in the evening. rain late in the afternoon. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 15 to 20 knots with gusts to around 30 knots
becoming northwest at 40 knot gales with storm force gusts to
50 knots. rain early in the morning...then rain likely until
early evening. a chance of rain by midnight. waves 4 to 6 feet
building to 15 to 20 feet. waves occasionally around 25 feet. a
gale warning may be needed. 
.saturday...northwest winds to 30 knots with gusts to 40 knot
gales becoming west 15 to 20 knots. waves 12 to 16 feet subsiding
to 2 to 4 feet. waves occasionally around 20 feet. 


$$

fzus63 kmkx 130202
glflm 
expires:202610130945;;000060

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
902 pm cdt mon oct 12 2026

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

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

.synopsis...

low pressure around 26.6 inches over central wisconsin will
progress eastward overnight, crossing the northern half of lake
michigan. as this occurs, scattered thunderstorms are expected
over the northern half of the lake, with breezy east winds over
the northern tip of the lake and breezy southwest winds over the
southern half. winds turn west/northwest across the whole lake 
into tuesday and remain breezy as the low departs east. light 
north winds expected tuesday night, with isolated thunderstorms 
possible across far southern portions of the lake. winds become 
northerly across the southern half on wednesday as high pressure 
moves eastward over the northern half of the lake, then easterly 
into wednesday night as high pressure moves eastward. winds weaken
into thursday as low pressure moves east through the mississippi 
valley, then become northwesterly gales late thursday night into 
friday as low pressure moves into the eastern great lakes and 
intensifies. a few storm force gusts are possible friday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-130945-
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-
902 pm cdt mon oct 12 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 10 to 20 kt becoming southwest
15 to 25 kt. chance of showers and thunderstorms through early
evening, then slight chance of showers overnight. waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...southwest winds 15 to 25 kt becoming west late in the
morning, then diminishing to 10 to 20 kt early in the afternoon
becoming northwest 10 to 15 kt late. waves 4 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft. 
.tuesday night...north winds 5 to 10 kt becoming northeast.
chance of showers overnight. waves 1 to 3 ft subsiding to 1 to
2 ft. 
.wednesday...northeast winds 10 to 20 kt becoming north. waves
2 to 4 ft building to 3 to 5 ft. 
.wednesday night...northeast winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday...east winds 10 to 20 kt. chance of showers in the
morning, then showers likely in the afternoon. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday night...southeast winds 10 to 15 kt veering to
northwest gales to 40 kt. showers likely. waves 2 to 4 ft
building to 7 to 10 ft occasionally to 13 ft. 
.friday...northwest gales to 45 kt. a few gusts to storm force
possible. chance of showers. waves 15 to 20 ft occasionally to 26
ft.
.saturday...northwest winds 10 to 20 kt becoming west. waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft.  

$$

fzus63 kmkx 130202
glflm 
expires:202610130945;;000059

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
902 pm cdt mon oct 12 2026

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

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

.synopsis...

low pressure around 26.6 inches over central wisconsin will
progress eastward overnight, crossing the northern half of lake
michigan. as this occurs, scattered thunderstorms are expected
over the northern half of the lake, with breezy east winds over
the northern tip of the lake and breezy southwest winds over the
southern half. winds turn west/northwest across the whole lake 
into tuesday and remain breezy as the low departs east. light 
north winds expected tuesday night, with isolated thunderstorms 
possible across far southern portions of the lake. winds become 
northerly across the southern half on wednesday as high pressure 
moves eastward over the northern half of the lake, then easterly 
into wednesday night as high pressure moves eastward. winds weaken
into thursday as low pressure moves east through the mississippi 
valley, then become northwesterly gales late thursday night into 
friday as low pressure moves into the eastern great lakes and 
intensifies. a few storm force gusts are possible friday.


lmz261-362-364-366-563-565-567-868-130945-
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-
902 pm cdt mon oct 12 2026

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 15 to 25 kt becoming south to
30 kt. chance of showers and thunderstorms. waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft. 
.tuesday...west winds 10 to 20 kt veering to northwest. chance of
showers and slight chance of thunderstorms in the morning. waves
3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday night...north winds 10 to 20 kt. waves 1 to 3 ft
subsiding to 1 to 2 ft. 
.wednesday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt becoming northeast.
waves 2 to 4 ft. 
.thursday...east winds 10 to 15 kt becoming southeast. waves 2 to
4 ft. 
.thursday night...southwest winds 10 to 20 kt veering to west
gales to 40 kt. showers likely. waves 1 to 3 ft building to 5 to
8 ft occasionally to 10 ft. 
.friday...northwest gales to 45 kt. a few gusts to storm force
possible. chance of showers. waves 12 to 16 ft occasionally to 21
ft.
.saturday...northwest winds 15 to 25 kt becoming west to 30 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.  

$$

fzus63 kmqt 130201
glfls 
expires:202610130800;;000018

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon oct 12 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...

lake superior is currently between a 29.6 inch low over wisconsin 
and a 30.2 inch high over quebec. ridging dominates over lake 
superior midweek as the low marches east and high pressure of 30.2 
inches builds over the dakotas by wednesday afternoon. the high 
further builds to 30.3 inches over lake superior wednesday night 
while a 29.9 inch low develops over saskatchewan. by thursday 
evening, this low weakens to 29.9 inches over northern ontario as 
the high moves to new england. behind the low, expansive 30.6 inch 
high builds over eastern montana before expanding over the plains 
for friday. pressure increases rapidly over the upper great lakes 
friday afternoon into saturday, reaching 30.4 inches by saturday 
morning, then decreasing to 30.0 inches by saturday night as the 
high collapses southeast.




lsz162-130800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt mon oct 12 2026 /901 pm cdt mon oct 12 2026/

...gale warning in effect until 11 pm edt /10 pm cdt/ this
evening...

.rest of tonight...northeast winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots
late. patchy fog by midnight. showers and a slight chance of
thunderstorms by midnight, then a chance of showers after
midnight. waves 8 to 11 feet occasionally to 14 feet subsiding to
5 to 8 feet occasionally to 10 feet. 
.tuesday...northeast winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon, then backing west late. waves
subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves subsiding to calm to 2 feet.
.wednesday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.wednesday night...east winds 5 to 15 knots veering southeast
after midnight. waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots becoming southwest 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...west gales to 35 knots becoming northwest gales
to 40 knots after midnight. waves building to 6 to 9 feet
occasionally to 11 feet. 
.friday...northwest gales to 45 knots diminishing to 20 to
30 knots. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to calm to 2 feet. 
.saturday...southwest winds 15 to 25 knots increasing to gales to
40 knots. waves building to 6 to 9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202610130800;;000019

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon oct 12 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...

lake superior is currently between a 29.6 inch low over wisconsin 
and a 30.2 inch high over quebec. ridging dominates over lake 
superior midweek as the low marches east and high pressure of 30.2 
inches builds over the dakotas by wednesday afternoon. the high 
further builds to 30.3 inches over lake superior wednesday night 
while a 29.9 inch low develops over saskatchewan. by thursday 
evening, this low weakens to 29.9 inches over northern ontario as 
the high moves to new england. behind the low, expansive 30.6 inch 
high builds over eastern montana before expanding over the plains 
for friday. pressure increases rapidly over the upper great lakes 
friday afternoon into saturday, reaching 30.4 inches by saturday 
morning, then decreasing to 30.0 inches by saturday night as the 
high collapses southeast.




lsz263-130800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1001 pm edt mon oct 12 2026

.rest of tonight...east winds 20 to 30 knots backing northeast
late. patchy fog. showers by midnight. a chance of thunderstorms.
a chance of showers after midnight. waves 7 to 10 feet
occasionally to 13 feet subsiding to 5 to 8 feet occasionally to
10 feet. 
.tuesday...northeast winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon, then backing west late. a slight
chance of showers through early afternoon. waves subsiding to
1 to 3 feet. 
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight, then increasing to 10 to 20 knots late. waves subsiding
to calm to 2 feet, then building to 1 to 3 feet. 
.wednesday...northwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots veering southeast
after midnight. waves calm to 2 feet. 
.thursday...south winds 10 to 20 knots becoming southwest 15 to
25 knots by mid afternoon. a chance of showers by mid afternoon.
waves building to 1 to 3 feet. 
.thursday night...west gales to 35 knots becoming northwest storm
force winds to 50 knots after midnight. a chance of rain showers.
waves building to 10 to 14 feet occasionally to 18 feet. 
.friday...northwest storm force winds to 55 knots diminishing to
gales to 40 knots. waves building to 11 to 15 feet occasionally
to 19 feet, then subsiding to 1 to 3 feet. 
.saturday...southwest winds 20 to 30 knots increasing to gales to
35 knots. waves building to 7 to 10 feet occasionally to 13 feet.

$$

fzus63 kmqt 130201
glfls 
expires:202610130800;;000020

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon oct 12 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...

lake superior is currently between a 29.6 inch low over wisconsin 
and a 30.2 inch high over quebec. ridging dominates over lake 
superior midweek as the low marches east and high pressure of 30.2 
inches builds over the dakotas by wednesday afternoon. the high 
further builds to 30.3 inches over lake superior wednesday night 
while a 29.9 inch low develops over saskatchewan. by thursday 
evening, this low weakens to 29.9 inches over northern ontario as 
the high moves to new england. behind the low, expansive 30.6 inch 
high builds over eastern montana before expanding over the plains 
for friday. pressure increases rapidly over the upper great lakes 
friday afternoon into saturday, reaching 30.4 inches by saturday 
morning, then decreasing to 30.0 inches by saturday night as the 
high collapses southeast.




lsz264-130800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm edt mon oct 12 2026

.rest of tonight...east winds 20 to 30 knots becoming northeast
15 to 25 knots late. patchy fog. showers by midnight. a slight
chance of thunderstorms. a chance of showers after midnight.
waves 4 to 8 feet occasionally to 10 feet. 
.tuesday...northeast winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon, then backing northwest late. a slight
chance of showers through early afternoon. waves subsiding to
1 to 3 feet. 
.tuesday night...northwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves subsiding to calm to 2 feet,
then building to 1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves building to 2 to 4 feet, then
subsiding to calm to 2 feet. 
.wednesday night...north winds 5 to 15 knots veering southeast
after midnight. waves calm to 2 feet. 
.thursday...south winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers by mid afternoon.
waves calm to 2 feet. 
.thursday night...west gales to 35 knots becoming northwest storm
force winds to 55 knots after midnight. showers likely through
midnight, then a chance of showers after midnight. waves building
to 10 to 14 feet occasionally to 18 feet. 
.friday...north storm force winds to 60 knots becoming northwest
gales to 45 knots. waves building to 12 to 17 feet occasionally
to 21 feet, then subsiding to 2 to 4 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots. waves subsiding to 1 to 3 feet, then building to 6 to
9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202610130800;;000021

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon oct 12 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...

lake superior is currently between a 29.6 inch low over wisconsin 
and a 30.2 inch high over quebec. ridging dominates over lake 
superior midweek as the low marches east and high pressure of 30.2 
inches builds over the dakotas by wednesday afternoon. the high 
further builds to 30.3 inches over lake superior wednesday night 
while a 29.9 inch low develops over saskatchewan. by thursday 
evening, this low weakens to 29.9 inches over northern ontario as 
the high moves to new england. behind the low, expansive 30.6 inch 
high builds over eastern montana before expanding over the plains 
for friday. pressure increases rapidly over the upper great lakes 
friday afternoon into saturday, reaching 30.4 inches by saturday 
morning, then decreasing to 30.0 inches by saturday night as the 
high collapses southeast.




lsz265-130800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm edt mon oct 12 2026

.rest of tonight...east winds 20 to 30 knots diminishing to 15 to
25 knots late. patchy fog. showers and a slight chance of
thunderstorms. waves 4 to 8 feet occasionally to 10 feet. 
.tuesday...northeast winds 15 to 25 knots becoming north 10 to
20 knots in the afternoon, then backing northwest late. patchy
fog through early afternoon. a chance of showers through early
afternoon. waves subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves subsiding to calm to 2 feet,
then building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.wednesday night...north winds 5 to 15 knots veering east after
midnight. waves subsiding to calm to 2 feet. 
.thursday...south winds 10 to 20 knots. a chance of showers by
mid afternoon. waves calm to 2 feet. 
.thursday night...west gales to 35 knots becoming northwest storm
force winds to 55 knots after midnight. showers likely. waves
building to 10 to 14 feet occasionally to 18 feet. 
.friday...northwest storm force winds to 60 knots. a chance of
rain showers. waves building to 15 to 20 feet occasionally to
25 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots. waves subsiding to calm to 2 feet, then building to
3 to 5 feet occasionally to 7 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202610130800;;000022

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon oct 12 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...

lake superior is currently between a 29.6 inch low over wisconsin 
and a 30.2 inch high over quebec. ridging dominates over lake 
superior midweek as the low marches east and high pressure of 30.2 
inches builds over the dakotas by wednesday afternoon. the high 
further builds to 30.3 inches over lake superior wednesday night 
while a 29.9 inch low develops over saskatchewan. by thursday 
evening, this low weakens to 29.9 inches over northern ontario as 
the high moves to new england. behind the low, expansive 30.6 inch 
high builds over eastern montana before expanding over the plains 
for friday. pressure increases rapidly over the upper great lakes 
friday afternoon into saturday, reaching 30.4 inches by saturday 
morning, then decreasing to 30.0 inches by saturday night as the 
high collapses southeast.




lsz266-130800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1001 pm edt mon oct 12 2026

.rest of tonight...east winds 20 to 30 knots diminishing to 15 to
25 knots late. patchy fog. showers and a slight chance of
thunderstorms. waves 6 to 9 feet occasionally to 11 feet
subsiding to 4 to 7 feet occasionally to 9 feet. 
.tuesday...northeast winds 15 to 25 knots becoming north 10 to
20 knots in the afternoon, then backing northwest late. patchy
fog through early afternoon. a chance of showers through early
afternoon. waves subsiding to 1 to 3 feet. 
.tuesday night...northwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves subsiding to calm to 2 feet,
then building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves 2 to 4 feet. 
.wednesday night...north winds 5 to 15 knots veering east after
midnight. waves subsiding to calm to 2 feet. 
.thursday...south winds 10 to 20 knots. waves calm to 2 feet. 
.thursday night...south winds 20 to 30 knots becoming northwest
storm force winds to 55 knots after midnight. showers. waves
building to 10 to 14 feet occasionally to 18 feet. 
.friday...north storm force winds to 60 knots becoming northwest
storm force winds to 55 knots. a chance of rain showers. waves
building to 17 to 22 feet occasionally to 28 feet, then subsiding
to 5 to 8 feet occasionally to 10 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots. waves subsiding to 1 to 3 feet, then building to 3 to
6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 130201
glfls 
expires:202610130800;;000023

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt mon oct 12 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...

lake superior is currently between a 29.6 inch low over wisconsin 
and a 30.2 inch high over quebec. ridging dominates over lake 
superior midweek as the low marches east and high pressure of 30.2 
inches builds over the dakotas by wednesday afternoon. the high 
further builds to 30.3 inches over lake superior wednesday night 
while a 29.9 inch low develops over saskatchewan. by thursday 
evening, this low weakens to 29.9 inches over northern ontario as 
the high moves to new england. behind the low, expansive 30.6 inch 
high builds over eastern montana before expanding over the plains 
for friday. pressure increases rapidly over the upper great lakes 
friday afternoon into saturday, reaching 30.4 inches by saturday 
morning, then decreasing to 30.0 inches by saturday night as the 
high collapses southeast.




lsz267-130800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm edt mon oct 12 2026

.rest of tonight...east winds 20 to 30 knots diminishing to 15 to
25 knots late. showers. a slight chance of thunderstorms after
midnight. patchy fog after midnight. waves 3 to 6 feet
occasionally to 8 feet. 
.tuesday...east winds 10 to 20 knots becoming northeast 5 to
15 knots in the afternoon, then becoming northwest 10 to 20 knots
late. patchy fog through early afternoon. showers likely through
early afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...northwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday...northwest winds 15 to 25 knots. waves 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...north winds 10 to 20 knots becoming east 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...southeast winds 10 to 20 knots veering south by mid
afternoon. waves calm to 2 feet. 
.thursday night...south winds 15 to 25 knots becoming northwest
gales to 40 knots after midnight. showers. waves building to
10 to 14 feet occasionally to 18 feet. 
.friday...north storm force winds to 55 knots diminishing to
gales to 45 knots. a chance of rain showers. waves building to
17 to 22 feet occasionally to 28 feet, then subsiding to 6 to
9 feet occasionally to 11 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots. waves subsiding to 2 to 4 feet, then building to 3 to
6 feet occasionally to 8 feet. 

$$