fzus61 kbuf 051403
glflo 
expires:202610052100;;574777

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon oct 5 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 upper midwest will build 
across the great lakes through tuesday, before sliding into the 
northeast 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.


loz063>065-052100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt mon oct 5 2026

.rest of today...west winds to 30 knots becoming northwest. a
chance of showers late this morning. waves 7 to 10 feet. waves
occasionally around 13 feet. 
.tonight...northwest winds 15 to 25 knots. waves 5 to 9 feet
subsiding to 3 to 5 feet. waves occasionally around 11 feet. 
.tuesday...northwest winds 5 to 15 knots becoming west. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...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 west and
diminishing to 10 to 15 knots. a chance of showers wednesday
night. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.thursday...west winds 15 to 20 knots. a chance of showers. waves
3 to 5 feet subsiding to 2 to 4 feet. 
.friday...west winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet subsiding to 1 to 3 feet. 

$$

fzus61 kbuf 051403
glflo 
expires:202610052100;;574776

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt mon oct 5 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 upper midwest will build 
across the great lakes through tuesday, before sliding into the 
northeast 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.


loz062-052100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt mon oct 5 2026

.rest of today...northwest winds to 30 knots. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet. 
.tuesday...northwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.tuesday night...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 20 knots becoming west 10 to
15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.thursday...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 051951
glfle 
expires:202610060215;;589537

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon oct 5 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 30.20 inches will persist over lake erie today 
before drifting east of the area by wednesday. a cold front will 
approach from the west wednesday and move east across the lake 
thursday with high pressure 30.10 inches returning friday.


lez164-165-060215-
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-
351 pm edt mon oct 5 2026

.tonight...north winds 5 to 15 knots becoming northeast less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 5 to 10 knots becoming southwest. waves
1 foot or less. 
.tuesday night...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 5 feet
subsiding to 2 to 4 feet. 
.wednesday night...west winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet. 
.friday...west winds 5 to 10 knots. waves 2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming south. waves
1 to 2 feet. 

$$

fzus61 kcle 051951
glfle 
expires:202610060215;;589538

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon oct 5 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 30.20 inches will persist over lake erie today 
before drifting east of the area by wednesday. a cold front will 
approach from the west wednesday and move east across the lake 
thursday with high pressure 30.10 inches returning friday.


lez166>168-060215-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
351 pm edt mon oct 5 2026

.tonight...north winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.tuesday night...southwest winds 5 to 10 knots increasing to
15 to 25 knots. waves 1 foot or less building to 3 to 6 feet. 
.wednesday...southwest winds 15 to 25 knots. waves 4 to 7 feet
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
1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming northwest. waves 1 to
2 feet. 
.saturday...east winds 5 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less. 

$$

fzus61 kcle 051951
glfle 
expires:202610060215;;589539

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon oct 5 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 30.20 inches will persist over lake erie today 
before drifting east of the area by wednesday. a cold front will 
approach from the west wednesday and move east across the lake 
thursday with high pressure 30.10 inches returning friday.


lez061-169-060215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
351 pm edt mon oct 5 2026

.tonight...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.tuesday...northwest winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.tuesday night...southwest winds less than 10 knots increasing to
15 to 20 knots. waves 2 feet or less building to 3 to 5 feet. 
.wednesday...southwest winds 15 to 20 knots. waves 3 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 3 to 6 feet subsiding to 2 to 3 feet. 
.thursday...west winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming northwest. waves 1 to
2 feet. 
.saturday...east winds 5 to 15 knots becoming south. waves 2 feet
or less. 

$$

fzus61 kcle 051951
glfle 
expires:202610060215;;589536

open lake forecast for lake erie
national weather service cleveland oh
351 pm edt mon oct 5 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 30.20 inches will persist over lake erie today 
before drifting east of the area by wednesday. a cold front will 
approach from the west wednesday and move east across the lake 
thursday with high pressure 30.10 inches returning friday.


lez162-163-060215-
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-
351 pm edt mon oct 5 2026

.tonight...northwest winds 10 knots or less becoming northeast.
waves 2 feet or less. 
.tuesday...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.tuesday night...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 becoming west 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 5 to 15 knots becoming northwest. waves
2 feet or less. 
.friday...west winds 5 to 10 knots becoming north. waves 1 foot
or less. 
.saturday...east winds 10 to 15 knots becoming south. waves
2 feet or less. 

$$

fzus63 kdtx 051945
glflh 
expires:202610060345;;589388

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt mon oct 5 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, will move into the region
monday afternoon, bringing much lighter wind conditions. the next
system to affect the region will be later tuesday with stronger
southwest winds.


lhz361-060345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 pm edt mon oct 5 2026

.tonight...northwest winds 15 to 20 knots early in the evening
decreasing to 10 to 15 knots...then becoming north 5 to 10 knots
after midnight becoming light and variable. waves 2 to 4 feet
subsiding to 2 feet or less after midnight. 
.tuesday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. waves 1 to 3 feet. 
.tuesday night...south winds 10 to 15 knots increasing to 15 to
20 knots by midnight...then becoming southwest 10 to 15 knots
after midnight. waves 3 to 5 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. waves 2 to 4 feet
subsiding to 1 to 3 feet by midnight...then building to 2 to
4 feet after midnight. 
.thursday...west winds 15 to 20 knots with gusts to around
30 knots becoming northwest 10 to 15 knots late in the evening.
waves 3 to 5 feet subsiding to 1 to 3 feet late in the evening. 
.friday...west winds 5 to 10 knots increasing to 10 to 15 knots
until early evening...then becoming northwest 5 to 10 knots by
midnight. 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 by midnight. 


$$

fzus63 kdtx 051945
glflh 
expires:202610060345;;589390

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt mon oct 5 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, will move into the region
monday afternoon, bringing much lighter wind conditions. the next
system to affect the region will be later tuesday with stronger
southwest winds.


lhz462>464-060345-
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-
345 pm edt mon oct 5 2026

.tonight...northwest winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.tuesday...west winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon...then becoming south 10 to
15 knots late in the afternoon. waves 1 to 3 feet. 
.tuesday night...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 4 to 6 feet. waves occasionally around
8 feet. 
.wednesday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots in the late morning and
afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet early in
the afternoon. 
.wednesday night...west winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...west winds 15 to 20 knots decreasing to 10 to
15 knots. waves 2 to 4 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday...northeast winds 10 to 15 knots veering to the
southeast until early evening...then becoming south 15 to
20 knots by midnight. waves 1 to 3 feet building to 2 to 4 feet
by midnight. 


$$

fzus63 kdtx 051945
glfsc 
expires:202610060345;;589392

lake st clair forecast
national weather service detroit/pontiac mi
345 pm edt mon oct 5 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, will move into the region
monday afternoon, bringing much lighter wind conditions. the next
system to affect the region will be later tuesday with stronger
southwest winds.


lcz460-060345-
lake st clair-
345 pm edt mon oct 5 2026

.tonight...north winds 5 to 10 knots this evening becoming light and
variable. clear. waves 2 feet or less.
.tuesday...light and variable winds becoming south 5 to 10 knots in
the afternoon. sunny. waves 2 feet or less.
.tuesday night...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the late evening and overnight. mostly clear. waves 1 to
3 feet.
.wednesday...southwest winds 15 to 20 knots becoming west 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...west winds 10 to 15 knots. mostly sunny becoming partly
sunny in the afternoon becoming mostly clear. waves 2 feet or less.
.friday...west winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.saturday...southeast winds 10 to 15 knots. clear. waves 2 feet or
less.

$$

fzus63 kdtx 051945
glflh 
expires:202610060345;;589389

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt mon oct 5 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, will move into the region
monday afternoon, bringing much lighter wind conditions. the next
system to affect the region will be later tuesday with stronger
southwest winds.


lhz362-363-060345-
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-
345 pm edt mon oct 5 2026

.tonight...northwest winds 15 to 20 knots decreasing to 5 to
10 knots. waves 4 to 6 feet subsiding to 1 to 3 feet early in the
morning. waves occasionally around 8 feet. 
.tuesday...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 late in the afternoon.
waves 1 to 3 feet building to 4 to 6 feet late in the afternoon.
waves occasionally around 8 feet. 
.tuesday night...south winds 20 to 25 knots with gusts to around
30 knots. a chance of rain in the evening. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and afternoon. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.wednesday night...west winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday...west winds 15 to 20 knots with gusts to around
30 knots decreasing to 10 to 15 knots late in the evening. waves
3 to 5 feet. 
.friday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.saturday...west winds 5 to 10 knots backing to the southeast in
the late morning and early afternoon...then increasing to 10 to
15 knots early in the evening becoming south 20 to 25 knots by
midnight. waves 1 to 3 feet building to 3 to 5 feet by midnight. 


$$

fzus63 kmkx 051946
glflm 
expires:202610060330;;589401

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 pm cdt mon oct 5 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...

light and variable winds expected into early evening as high
pressure exits the region eastward. winds then turn south into
tonight. 

low pressure of 29.4 inches will build toward the hudson bay 
tuesday through thursday. ahead of this low, south southwest 
winds will increase tuesday afternoon and become gusty. a gale 
warning is in effect tuesday afternoon and evening for the north 
half of the lake, north of a port washington wi to whitehall mi 
line, with southwest gales to 40 kt expected. the low will pull a 
cold front across the waters late tuesday night into wednesday 
shifting winds to the west-northwest.


lmz080-671-673-675-777-779-872-874-876-878-060330-
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-
246 pm cdt mon oct 5 2026

port washington wi to whitehall mi south...

.tonight...northeast winds 5 to 10 kt becoming east late this
evening, then becoming southeast 10 to 15 kt after midnight
becoming south 10 to 20 kt late. waves 2 to 4 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft building to 8 to 11 ft
occasionally to 14 ft. 
.tuesday night...south winds to 30 kt becoming southwest 15 to
25 kt. waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.wednesday...west winds 10 to 20 kt. waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 5 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 6 ft
occasionally to 8 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 1 to 3 ft. 
.friday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft. 
.saturday...southeast winds to 30 kt becoming south. waves 4 to
7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 051946
glflm 
expires:202610060330;;589399

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 pm cdt mon oct 5 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...

light and variable winds expected into early evening as high
pressure exits the region eastward. winds then turn south into
tonight. 

low pressure of 29.4 inches will build toward the hudson bay 
tuesday through thursday. ahead of this low, south southwest 
winds will increase tuesday afternoon and become gusty. a gale 
warning is in effect tuesday afternoon and evening for the north 
half of the lake, north of a port washington wi to whitehall mi 
line, with southwest gales to 40 kt expected. the low will pull a 
cold front across the waters late tuesday night into wednesday 
shifting winds to the west-northwest.


lmz261-362-364-563-060330-
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-
246 pm cdt mon oct 5 2026

sturgeon bay wi to point betsie mi north...

...gale warning in effect from tuesday afternoon through tuesday
evening...

.tonight...northeast winds 10 to 15 kt veering to south 10 to
20 kt. chance of rain showers overnight. waves 1 to 2 ft building
to 2 to 4 ft. 
.tuesday...south winds 15 to 25 kt becoming southwest gales to
40 kt. slight chance of rain showers. waves 4 to 7 ft
occasionally to 9 ft building to 8 to 12 ft occasionally to
16 ft. 
.tuesday night...southwest gales to 40 kt becoming west to 30 kt
after midnight, then diminishing to 10 to 20 kt late. 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 15 to
25 kt. 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 1 to 3 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 1 to 3 ft. 
.friday...west winds 10 to 20 kt increasing to 15 to 25 kt. waves
1 to 3 ft. 
.saturday...southeast winds 15 to 25 kt becoming south. waves
2 to 4 ft building to 3 to 5 ft.  

$$

fzus63 kmkx 051946
glflm 
expires:202610060330;;589400

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
246 pm cdt mon oct 5 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...

light and variable winds expected into early evening as high
pressure exits the region eastward. winds then turn south into
tonight. 

low pressure of 29.4 inches will build toward the hudson bay 
tuesday through thursday. ahead of this low, south southwest 
winds will increase tuesday afternoon and become gusty. a gale 
warning is in effect tuesday afternoon and evening for the north 
half of the lake, north of a port washington wi to whitehall mi 
line, with southwest gales to 40 kt expected. the low will pull a 
cold front across the waters late tuesday night into wednesday 
shifting winds to the west-northwest.


lmz366-565-567-669-868-870-060330-
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-
246 pm cdt mon oct 5 2026

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

...gale warning in effect from tuesday afternoon through tuesday
evening...

.tonight...east winds 5 to 10 kt becoming southeast late this
evening, then becoming south after midnight increasing to 10 to
20 kt late. waves 1 to 3 ft building to 2 to 4 ft. 
.tuesday...south winds 15 to 25 kt increasing to gales to 40 kt.
slight chance of showers in the morning. waves 4 to 7 ft
occasionally to 9 ft building to 10 to 14 ft occasionally to
18 ft. 
.tuesday night...southwest gales to 35 kt, diminishing to 30 kt 
by midnight, becoming west 15 to 25 kt late. waves 10 to 14 ft 
occasionally to 18 ft subsiding to 6 to 9 ft occasionally to 12 
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 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 1 to 3 ft. 
.friday...west winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...south winds to 30 kt. waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 051402
glflm 
expires:202610052115;;574755

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
902 am cdt mon oct 5 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...

northwest winds will gradually decrease this morning as high 
pressure of 30.2 inches enters from the west.

low pressure of 29.4 inches will build toward the hudson bay 
tuesday through thursday. ahead of this low, south southwest 
winds will increase tuesday afternoon through wednesday and 
become gusty. a gale watch is in effect tuesday afternoon and
evening for the north half of the lake. the low will pull a cold 
front across the waters wednesday night into thursday, delivering 
scattered showers and shifting winds to the west northwest.


lmz080-669-671-673-675-777-779-870-872-874-876-878-052115-
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 am cdt mon oct 5 2026

sheboygan wi to pentwater mi south...

.rest of today...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...northeast winds 5 to 10 kt becoming east late in the
evening, then becoming southeast 10 to 15 kt after midnight
becoming south 10 to 20 kt late. waves 1 to 3 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. a few
gusts to gale force possible in the late afternoon and early
evening. waves 3 to 5 ft building to 7 to 10 ft occasionally to 
13 ft. 
.tuesday night...southwest winds to 30 kt diminishing to 15 to 25
kt overnight. waves 7 to 10 ft occasionally to 13 ft subsiding to
5 to 8 ft occasionally to 10 ft. 
.wednesday...west winds 10 to 20 kt. waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 5 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 becoming west. waves 4 to
6 ft occasionally to 8 ft. 
.friday...west winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 051402
glflm 
expires:202610052115;;574754

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
902 am cdt mon oct 5 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...

northwest winds will gradually decrease this morning as high 
pressure of 30.2 inches enters from the west.

low pressure of 29.4 inches will build toward the hudson bay 
tuesday through thursday. ahead of this low, south southwest 
winds will increase tuesday afternoon through wednesday and 
become gusty. a gale watch is in effect tuesday afternoon and
evening for the north half of the lake. the low will pull a cold 
front across the waters wednesday night into thursday, delivering 
scattered showers and shifting winds to the west northwest.


lmz261-362-364-366-563-565-567-868-052115-
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 am cdt mon oct 5 2026

sheboygan wi to pentwater mi north...

...gale watch in effect from tuesday afternoon through tuesday
evening...

.rest of today...northwest winds 15 to 25 kt becoming north 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.tonight...northeast winds 10 to 15 kt veering to south 10 to
20 kt. chance of showers overnight. waves 1 to 2 ft building to
2 to 4 ft. 
.tuesday...south winds 15 to 25 kt increasing to gales to 40 kt.
chance of showers. waves 4 to 6 ft occasionally to 8 ft building
to 10 to 14 ft occasionally to 18 ft. 
.tuesday night...southwest gales to 40 kt becoming west to 30 kt
overnight. waves 8 to 12 ft occasionally to 16 ft subsiding to
5 to 8 ft occasionally to 10 ft. 
.wednesday...northwest winds 15 to 25 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 3 to 5 ft. 
.thursday...northwest winds 15 to 25 kt becoming west. waves 3 to
5 ft. 
.friday...west winds 10 to 20 kt. waves 1 to 3 ft.  

$$