fzus61 kbuf 300202
glflo 
expires:202609300900;;276205

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue sep 29 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 29.9 inch low over the gulf of maine will dissipate 
over the north atlantic on wednesday as a 30.1 inch high builds just 
off the mid atlantic coast. a cold front over the upper great lakes 
wednesday night will cross the lower great lakes later thursday 
night and friday morning. a 30.4 inch high is then forecast to build 
into the upper great lakes friday and the lower great lakes by 
saturday, before exiting into northern maine sunday. meanwhile, a 
cold front will then cross the eastern great lakes sunday into 
monday.


loz063>065-300900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt tue sep 29 2026

.overnight...southeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.wednesday...south winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...south winds 5 to 15 knots. waves 2 feet or
less. 
.thursday...southwest winds 15 to 20 knots. a chance of showers.
waves 1 to 3 feet building to 2 to 4 feet. 
.thursday night...southwest winds 5 to 15 knots becoming west. a
chance of showers in the evening, then showers likely overnight.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming north 15 to 20 knots.
showers. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...north winds 5 to 15 knots becoming southeast. waves
1 to 3 feet subsiding to 1 foot or less. 
.sunday...south winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers. waves 1 to 3 feet building to 3 to
5 feet. 

$$

fzus61 kbuf 300202
glflo 
expires:202609300900;;276204

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue sep 29 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 29.9 inch low over the gulf of maine will dissipate 
over the north atlantic on wednesday as a 30.1 inch high builds just 
off the mid atlantic coast. a cold front over the upper great lakes 
wednesday night will cross the lower great lakes later thursday 
night and friday morning. a 30.4 inch high is then forecast to build 
into the upper great lakes friday and the lower great lakes by 
saturday, before exiting into northern maine sunday. meanwhile, a 
cold front will then cross the eastern great lakes sunday into 
monday.


loz062-300900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt tue sep 29 2026

.overnight...southeast winds 5 to 10 knots becoming south.
waves 1 foot or less. 
.wednesday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.wednesday night...south winds 5 to 15 knots becoming southwest.
a chance of showers overnight. waves 2 feet or less. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers. waves 1 to 3 feet building to 2 to
4 feet. 
.thursday night...southwest winds 5 to 15 knots becoming west. a
chance of showers in the evening, then showers overnight. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots becoming north. showers
during the day, then a chance of showers friday night. waves 1 to
3 feet. 
.saturday...north winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.sunday...south winds 5 to 15 knots becoming northwest 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 

$$

fzus61 kcle 300154
glfle 
expires:202609300830;;275905

open lake forecast for lake erie
national weather service cleveland oh
954 pm edt tue sep 29 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 30.10 inches will remain centered over the mid 
atlantic through thursday. a warm front will cross the lake 
wednesday night, followed by a cold front thursday night into 
early friday. high pressure 30.20 inches returns on saturday.


lez061-168-169-300830-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
954 pm edt tue sep 29 2026

.overnight...south winds 5 to 10 knots. waves 2 feet or
less. 
.wednesday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.wednesday night...south winds 5 to 15 knots. a chance of showers
overnight. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming southwest. a
chance of showers in the morning. waves 1 to 3 feet. 
.thursday night...southwest winds 5 to 15 knots. a chance of
showers in the evening, then showers likely overnight. waves 1 to
3 feet. 
.friday...northwest winds 10 to 15 knots becoming north 15 to
20 knots. showers during the day. waves 1 to 3 feet. 
.saturday...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet. 
.sunday...south winds 5 to 15 knots becoming northwest 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 

$$

fzus61 kcle 300154
glfle 
expires:202609300830;;275903

open lake forecast for lake erie
national weather service cleveland oh
954 pm edt tue sep 29 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 30.10 inches will remain centered over the mid 
atlantic through thursday. a warm front will cross the lake 
wednesday night, followed by a cold front thursday night into 
early friday. high pressure 30.20 inches returns on saturday.


lez162-163-300830-
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-
954 pm edt tue sep 29 2026

.overnight...south winds 10 to 15 knots. waves 2 feet or
less. 
.wednesday...south winds 5 to 15 knots. waves 2 feet or less. 
.wednesday night...south winds 5 to 10 knots becoming southwest.
a chance of showers. waves 2 feet or less. 
.thursday...southwest winds around 10 knots. a chance of showers.
waves 1 to 2 feet. 
.thursday night...southwest winds 5 to 15 knots becoming
northwest. a chance of showers in the evening, then showers
overnight. waves 1 foot or less. 
.friday...north winds 10 to 15 knots becoming northeast. showers
during the day. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...northeast winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.sunday...northwest winds 5 to 10 knots becoming north and
increasing to 15 to 20 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 300154
glfle 
expires:202609300830;;275904

open lake forecast for lake erie
national weather service cleveland oh
954 pm edt tue sep 29 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 30.10 inches will remain centered over the mid 
atlantic through thursday. a warm front will cross the lake 
wednesday night, followed by a cold front thursday night into 
early friday. high pressure 30.20 inches returns on saturday.


lez164>167-300830-
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-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
954 pm edt tue sep 29 2026

.overnight...southeast winds 5 to 15 knots becoming south.
waves 2 feet or less. 
.wednesday...south winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.wednesday night...south winds 5 to 15 knots. a chance of showers
overnight. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots. a chance of showers
in the morning. waves 1 to 3 feet. 
.thursday night...southwest winds 5 to 15 knots becoming west. a
chance of showers in the evening, then showers likely overnight.
waves 2 feet or less. 
.friday...northwest winds 15 to 20 knots becoming northeast.
showers during the day. waves 1 to 3 feet building to 2 to
4 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...west winds 5 to 15 knots becoming northwest 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 

$$

fzus63 kdtx 300759
glfsc 
expires:202609301600;;289360

lake st clair forecast
national weather service detroit/pontiac mi
359 am edt wed sep 30 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, 30.10 inches, exits as southwest winds
slowly increase ahead of a cold front. this front gets hung up 
over southern lower michigan, leading to occasional showers today 
through friday.


lcz460-301600-
lake st clair-
359 am edt wed sep 30 2026

.today...southwest winds 5 to 10 knots becoming south 10 to 15 knots
late in the morning...then diminishing to 5 to 10 knots in the
afternoon. mostly cloudy. waves 2 feet or less.
.tonight...south winds 10 to 15 knots. cloudy. light showers likely.
waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon. mostly cloudy. light showers likely
early in the morning. waves 2 feet or less.
.thursday night...southwest winds 5 to 10 knots becoming northwest
10 to 15 knots after midnight. showers. waves 2 feet or less.
.friday...north winds 10 to 15 knots. mostly cloudy with light
showers in the morning...then mostly clear in the afternoon and
evening. waves 2 feet or less.
.saturday...east winds 10 to 15 knots. mostly clear. waves 2 feet or
less.
.sunday...northwest winds 15 to 20 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 300759
glflh 
expires:202609301600;;289316

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 am edt wed sep 30 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, 30.10 inches, exits as southwest winds
slowly increase ahead of a cold front. this front gets hung up 
over southern lower michigan, leading to occasional showers today 
through friday.


lhz361-301600-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
359 am edt wed sep 30 2026

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


$$

fzus63 kdtx 300759
glflh 
expires:202609301600;;289317

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 am edt wed sep 30 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, 30.10 inches, exits as southwest winds
slowly increase ahead of a cold front. this front gets hung up 
over southern lower michigan, leading to occasional showers today 
through friday.


lhz362-363-301600-
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-
359 am edt wed sep 30 2026

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
with gusts to around 30 knots in the afternoon. a chance of
showers. waves 1 to 3 feet building to 3 to 5 feet in the
afternoon. 
.tonight...south winds 15 to 20 knots with gusts to around
30 knots becoming southwest 10 to 15 knots early in the morning.
waves 3 to 5 feet. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. a chance of showers.
waves 3 to 5 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. a chance of showers. waves 2 to 4 feet. 
.friday...northwest winds 10 to 15 knots increasing to 15 to
20 knots with gusts to around 30 knots late in the morning...then
decreasing to 10 to 15 knots late in the evening. waves 2 to
4 feet building to 3 to 5 feet late in the afternoon. 
.saturday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 2 feet or
less. 
.sunday...south winds 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and early afternoon...then veering
to the west with gusts to 35 knot gales early in the evening
becoming northwest 20 to 25 knots with gusts to 35 knot gales by
midnight. waves 1 to 3 feet building to 4 to 6 feet . waves
occasionally around 8 feet. 


$$

fzus63 kdtx 300759
glflh 
expires:202609301600;;289318

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 am edt wed sep 30 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, 30.10 inches, exits as southwest winds
slowly increase ahead of a cold front. this front gets hung up 
over southern lower michigan, leading to occasional showers today 
through friday.


lhz462>464-301600-
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-
359 am edt wed sep 30 2026

.today...south winds 10 to 15 knots. a chance of showers in the
afternoon. waves 1 to 3 feet. 
.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots late in the evening...then decreasing to 10 to 15 knots
after midnight. a chance of showers. waves 2 to 4 feet. 
.thursday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon. showers likely in the morning...
then showers in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet early in the afternoon. 
.thursday night...southwest winds 5 to 10 knots becoming
northwest 10 to 15 knots by midnight...then becoming north 15 to
20 knots after midnight. showers. waves 1 to 3 feet building to
2 to 4 feet after midnight. 
.friday...north winds 10 to 15 knots becoming northwest 15 to
20 knots. waves 2 to 4 feet. 
.saturday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots by
midnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...south winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then becoming
west 15 to 20 knots early in the evening becoming northwest 20 to
25 knots by midnight. waves 2 feet or less building to 5 to
7 feet. waves occasionally around 10 feet. 


$$

fzus63 kmkx 300200
glflm 
expires:202609300900;;276042

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt tue sep 29 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...

southerly winds will increase tonight into wednesday, becoming 
southwest wednesday night into thursday, as a cold front 
approaches from the northern plains. wind gusts to 30 knots are 
possible wednesday into wednesday evening, along with building 
waves, particularly across central and northern portions of the 
lake.

expect northwest winds in the wake of the front thursday 
afternoon, with north to northeast winds thursday night into 
friday. strong high pressure around 30.4 inches will overspread 
the great lakes friday night. a fast-moving low pressure system 
around 29.8 inches should move across or north of lake superior 
saturday night, with high pressure around 30.4 inches moving 
southeast into the region by early next week. northwest to north 
winds should result across lake michigan.


lmz261-362-364-366-563-565-567-868-300900-
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-
900 pm cdt tue sep 29 2026

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 10 to 20 kt increasing to 30 kt.
slight chance of showers late this evening, then showers and
slight chance of thunderstorms overnight. waves 3 to 5 ft
building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...south winds to 30 kt becoming southwest. chance of
showers in the morning, then slight chance of showers in the
afternoon. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday night...southwest winds 15 to 25 kt diminishing to
10 to 20 kt. chance of showers overnight. waves 6 to 9 ft
occasionally to 12 ft subsiding to 3 to 5 ft. 
.thursday...west winds 10 to 20 kt becoming northwest. chance of
showers. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.thursday night...north winds 10 to 20 kt. chance of showers in
the evening. waves 1 to 2 ft building to 2 to 4 ft. 
.friday...north winds 10 to 20 kt. waves 3 to 5 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.sunday...west winds 15 to 25 kt becoming northwest to 30 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 300200
glflm 
expires:202609300900;;276043

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
900 pm cdt tue sep 29 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...

southerly winds will increase tonight into wednesday, becoming 
southwest wednesday night into thursday, as a cold front 
approaches from the northern plains. wind gusts to 30 knots are 
possible wednesday into wednesday evening, along with building 
waves, particularly across central and northern portions of the 
lake.

expect northwest winds in the wake of the front thursday 
afternoon, with north to northeast winds thursday night into 
friday. strong high pressure around 30.4 inches will overspread 
the great lakes friday night. a fast-moving low pressure system 
around 29.8 inches should move across or north of lake superior 
saturday night, with high pressure around 30.4 inches moving 
southeast into the region by early next week. northwest to north 
winds should result across lake michigan.


lmz080-669-671-673-675-777-779-870-872-874-876-878-300900-
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-
900 pm cdt tue sep 29 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 10 to 20 kt. chance of showers
overnight. waves 3 to 5 ft. 
.wednesday...south winds 15 to 25 kt increasing to 30 kt. showers
in the morning, then showers likely in the afternoon. waves 4 to
6 ft occasionally to 8 ft building to 6 to 9 ft occasionally to
12 ft. 
.wednesday night...south winds 15 to 25 kt becoming southwest
10 to 15 kt. chance of showers in the evening, then showers
overnight. waves 6 to 9 ft occasionally to 12 ft subsiding to
2 to 4 ft. 
.thursday...southwest winds 10 to 15 kt becoming west. showers.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.thursday night...north winds 10 to 20 kt. showers in the
evening, then chance of showers overnight. waves 1 to 3 ft
building to 4 to 6 ft occasionally to 8 ft. 
.friday...northeast winds 10 to 20 kt becoming north 15 to 25 kt.
waves 4 to 7 ft occasionally to 9 ft. 
.friday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.saturday...east winds 10 to 15 kt diminishing to 5 to 10 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...west winds 10 to 20 kt becoming northwest. waves 2 to
4 ft.  

$$