• CLASSIC IWINDSURF
    Classic myiWindsurfClassic Wind & Weather maps and graphs
Hello Guest
 • 

Classic iWindsurf
kiter? see iKitesurf.com
Grab the iWindsurf Mobile App & Sign On to the New iWindsurf Website
Hi guest · Get your free membership now · Log In ·
xt_Great Lakes

Real-Time Data
 > Dynamic Map
 > Wind Obs Map
 > Radar + Satellite Map
 > Wind Obs Summary

Computer Forecasts
 > Model Tables
 > Wind Vector Fx Map
 > Wind FlowViz Fx Map

More Maps

Other Resources
Wind Graphs
Meteograms

Watches/Warnings
>None Active

New iWindsurf: Select your region for wind observations & forecasts:
North America | Europe | South America | Australia & Oceania | Asia | Africa

fzus53 kapx 121823
nshapx
expires:202608130230;;069501

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lhz345-130230-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
223 pm edt wed aug 12 2026

.through early evening...west wind 5 to 10 knots becoming
northwest early in the evening. sunny. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...west wind 5 to 10 knots. mostly sunny. waves 2 feet
or less. 
.thursday night...north wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069502

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lhz346-130230-
st ignace to false detour channel-
223 pm edt wed aug 12 2026

.through early evening...west wind 5 to 10 knots. sunny. waves
2 feet or less. 
.tonight...northwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.thursday...west wind 5 to 10 knots. mostly sunny. waves 2 feet
or less. 
.thursday night...north wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.friday...east wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069503

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lhz347-130230-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
223 pm edt wed aug 12 2026

.through early evening...light winds becoming northwest 5 to
10 knots early in the evening. sunny. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...northwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.thursday night...northwest wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069504

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lhz348-130230-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
223 pm edt wed aug 12 2026

.through early evening...light winds. isolated showers and
thunderstorms. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.thursday...north wind 5 to 10 knots. mostly sunny. waves 2 feet
or less. 
.thursday night...light winds. partly cloudy. waves 2 feet or
less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069505

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lhz349-130230-
sturgeon pt to alabaster mi-
223 pm edt wed aug 12 2026

.through early evening...light winds. scattered thunderstorms and
isolated showers. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.thursday...northeast wind 5 to 10 knots. partly sunny. waves
2 feet or less. 
.thursday night...light winds. mostly cloudy. waves 2 feet or
less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069498

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lmz323-130230-
grand traverse bay south of a line grand traverse light to
norwood mi-
223 pm edt wed aug 12 2026

.through early evening...north wind 5 to 10 knots. sunny. waves
2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.thursday...light winds. mostly sunny. waves 2 feet or less. 
.thursday night...light winds. partly cloudy. waves 2 feet or
less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069496

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lmz341-130230-
seul choix point to 5nm west of mackinac bridge-
223 pm edt wed aug 12 2026

.through early evening...west wind 5 to 10 knots. sunny. waves
2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.thursday...west wind 5 to 10 knots. mostly sunny. waves 2 feet
or less. 
.thursday night...north wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069497

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lmz342-130230-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
223 pm edt wed aug 12 2026

.through early evening...northwest wind 5 to 10 knots. sunny.
waves 2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.thursday...northwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.thursday night...northeast wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069499

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lmz344-345-130230-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
223 pm edt wed aug 12 2026

.through early evening...north wind 5 to 10 knots. mostly sunny.
waves 2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.thursday...light winds. partly sunny. waves 2 feet or less. 
.thursday night...light winds. partly cloudy. waves 2 feet or
less. 
.friday...northeast wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069500

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lmz346-130230-
manistee to point betsie mi-
223 pm edt wed aug 12 2026

.through early evening...north wind 5 to 10 knots. mostly sunny.
waves 2 feet or less. 
.tonight...light winds. partly cloudy. waves 2 feet or less. 
.thursday...north wind 5 to 10 knots. partly sunny. waves 2 feet
or less. 
.thursday night...light winds. mostly cloudy. waves 2 feet or
less. 
.friday...northeast wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069494

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lsz321-130230-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
223 pm edt wed aug 12 2026

.through early evening...northwest wind 5 to 10 knots. sunny.
waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. mostly cloudy. waves
2 feet or less. 
.thursday...northwest wind 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.thursday night...northwest wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 
.friday...north wind 5 to 10 knots. mostly sunny. waves 2 feet or
less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 121823
nshapx
expires:202608130230;;069495

nearshore marine forecast
national weather service gaylord mi
223 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lakes huron...
michigan and 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.


lsz322-130230-
st. marys river point iroquois to e. potagannissing bay-
223 pm edt wed aug 12 2026

.through early evening...west wind 5 to 10 knots becoming
northwest early in the evening. sunny.
.tonight...northwest wind 5 to 10 knots. partly cloudy. 
.thursday...northwest wind 5 to 10 knots. sunny.
.thursday night...northwest wind 5 to 10 knots. partly cloudy. 
.friday...northeast wind 5 to 10 knots. mostly sunny. 

see the open lakes forecast for days 3 through 5.

$$
fzus51 kbuf 122003
nshbuf
expires:202608130300;;075005

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lez040-041-130300-
buffalo to ripley along lake erie-
403 pm edt wed aug 12 2026

.tonight...west winds 10 knots or less. showers likely with a
chance of thunderstorms this evening, then a chance of showers
after midnight. some thunderstorms may produce gusty winds early.
waves 1 foot or less. 
.thursday...northwest winds less than 10 knots becoming west.
partly to mostly sunny. waves 1 foot or less. 
.thursday night...west winds less than 10 knots becoming east.
partly to mostly cloudy. waves 1 foot or less. 
.friday...east winds less than 10 knots becoming north. mostly
sunny. waves 1 foot or less. 
.friday night...north winds less than 10 knots becoming east.
mainly clear. waves 1 foot or less. 
.saturday...east winds 10 knots or less becoming southeast. a
chance of showers saturday night. waves 1 foot or less. 
.sunday...south winds 5 to 10 knots becoming northwest. showers
likely with a chance of thunderstorms. waves 1 foot or less. 
.monday...northwest winds 10 knots or less. a chance of showers
during the day. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 122003
nshbuf
expires:202608130300;;075009

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


loz045-130300-
mexico bay to the saint lawrence river along lake ontario-
403 pm edt wed aug 12 2026

.tonight...southwest winds 10 knots or less becoming west.
showers likely with a chance of thunderstorms this evening, then
a chance of showers and thunderstorms after midnight. waves
1 foot or less. 
.thursday...northwest winds 10 knots or less becoming west.
mostly sunny. waves 1 foot or less. 
.thursday night...west winds 10 knots or less becoming northeast.
partly cloudy. waves 1 foot or less. 
.friday...northeast winds 10 knots or less becoming northwest.
mostly sunny. waves 1 foot or less. 
.friday night...north winds 5 to 10 knots becoming northeast.
mainly clear in the evening, then becoming partly cloudy. waves
1 foot or less. 
.saturday...northeast winds 10 knots or less becoming southeast.
mainly clear, then becoming partly cloudy. waves 1 foot or less. 
.sunday...south winds 5 to 10 knots becoming north. a chance of
showers. waves 1 foot or less. 
.monday...north winds 10 knots or less becoming southwest. partly
cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 122003
nshbuf
expires:202608130300;;075008

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


loz044-130300-
sodus bay to mexico bay along lake ontario-
403 pm edt wed aug 12 2026

.tonight...southwest winds less than 10 knots. showers likely
with a chance of thunderstorms this evening, then a chance of
showers and thunderstorms after midnight. waves 1 foot or less. 
.thursday...west winds 10 knots or less. mostly sunny. waves
1 foot or less. 
.thursday night...west winds 10 knots or less becoming northeast.
partly cloudy. waves around 1 foot. 
.friday...northeast winds 10 knots or less becoming north. mostly
sunny. waves 1 foot or less. 
.friday night...north winds 10 knots or less becoming east.
partly cloudy. waves 1 foot or less. 
.saturday...east winds less than 10 knots becoming southeast.
mainly clear, then becoming partly cloudy. waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming northwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots becoming west. partly
cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 122003
nshbuf
expires:202608130300;;075007

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


loz043-130300-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
403 pm edt wed aug 12 2026

.tonight...west winds 10 knots or less. showers likely with a
chance of thunderstorms early, then a chance of showers and
thunderstorms late this evening. some thunderstorms may produce
gusty winds early. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots becoming west. partly
sunny in the morning, then becoming mostly sunny. waves 1 foot or
less. 
.thursday night...west winds 10 knots or less becoming northwest.
partly cloudy. waves 1 foot or less. 
.friday...northwest winds 10 knots or less becoming north. mostly
sunny. waves 1 foot or less. 
.friday night...north winds 10 knots or less becoming east.
partly cloudy. waves 1 foot or less. 
.saturday...east winds 10 knots or less becoming southeast.
partly cloudy. waves 1 foot or less. 
.sunday...south winds 5 to 10 knots becoming northwest. a chance
of showers and thunderstorms. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots becoming west. partly
cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature off rochester is 74 degrees.

$$
fzus51 kbuf 122003
nshbuf
expires:202608130300;;075006

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


loz042-130300-
niagara river to hamlin beach along lake ontario-
403 pm edt wed aug 12 2026

.tonight...northwest winds 10 knots or less. showers likely with
a chance of thunderstorms early. some thunderstorms may produce
gusty winds early. waves 1 foot or less. 
.thursday...northwest winds 10 knots or less becoming west.
partly to mostly sunny. waves 1 foot or less. 
.thursday night...west winds 10 knots or less becoming northwest.
partly cloudy. waves 1 foot or less. 
.friday...north winds 10 knots or less. mostly sunny. waves
1 foot or less. 
.friday night...northeast winds 10 knots or less becoming east.
partly cloudy. waves 1 foot or less. 
.saturday...east winds 10 knots or less becoming southeast.
partly cloudy. waves 1 foot or less. 
.sunday...southeast winds 5 to 10 knots becoming northwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.monday...northwest winds 5 to 10 knots. partly cloudy. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 122003
nshbuf
expires:202608130300;;075003

nearshore marine forecast
national weather service buffalo ny
403 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lez020-130300-
upper niagara river and buffalo harbor-
403 pm edt wed aug 12 2026

.tonight...west winds 5 to 10 knots becoming light and variable.
a chance of showers and thunderstorms this evening, then a chance
of showers after midnight. some thunderstorms may produce gusty
winds early. 
.thursday...light and variable winds. partly to mostly sunny. 
.thursday night...west winds less than 10 knots. partly to mostly
cloudy. 
.friday...light and variable winds. mostly sunny. 
.friday night...north winds less than 10 knots. partly cloudy. 
.saturday...east winds less than 10 knots becoming southeast.
partly cloudy. 
.sunday...south winds 10 knots or less becoming northwest.
showers likely with a chance of thunderstorms. 
.monday...northwest winds less than 10 knots. partly cloudy. 

winds and waves higher in and near thunderstorms.

the water temperature off buffalo is 76 degrees.

$$
fzus51 kcle 121958
nshcle
expires:202608130215;;074690

nearshore marine forecast
national weather service cleveland oh
358 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lez145>147-130215-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-
358 pm edt wed aug 12 2026

.tonight...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms this evening, then a chance of
showers with a slight chance of thunderstorms after midnight. a
chance of showers late. waves 1 foot or less. 
.thursday...northwest winds 10 knots or less becoming north. a
slight chance of showers in the morning. waves 1 foot or less. 
.thursday night...north winds less than 10 knots becoming east.
mostly cloudy. waves 2 feet or less. 
.friday...east winds 10 knots or less becoming northeast. mostly
cloudy in the morning, then becoming mostly sunny. waves 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 77 degrees, off cleveland 77
degrees, and off erie 77 degrees.

$$
fzus51 kcle 121958
nshcle
expires:202608130215;;074689

nearshore marine forecast
national weather service cleveland oh
358 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lez142>144-130215-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
358 pm edt wed aug 12 2026

.tonight...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms early, then a slight chance of
showers and thunderstorms late this evening. waves 1 foot or
less. 
.thursday...northwest winds less than 10 knots becoming
northeast. partly sunny. waves 1 foot or less. 
.thursday night...southeast winds 10 knots or less becoming east.
a chance of showers. waves 2 feet or less. 
.friday...east winds 5 to 10 knots. a chance of showers. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 77 degrees, off cleveland 77
degrees, and off erie 77 degrees.

$$
fzus51 kcle 121958
nshcle
expires:202608130215;;074691

nearshore marine forecast
national weather service cleveland oh
358 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lez148-149-130215-
geneva-on-the-lake to conneaut oh-conneaut oh to ripley ny-
358 pm edt wed aug 12 2026

.tonight...southwest winds 10 knots or less becoming west. a
chance of showers and thunderstorms early, then a chance of
showers with a slight chance of thunderstorms. a chance of
showers late. waves 1 foot or less. 
.thursday...northwest winds 10 knots or less becoming west. a
chance of showers in the morning. waves 1 foot or less. 
.thursday night...west winds less than 10 knots becoming east.
mostly cloudy. waves 2 feet or less. 
.friday...east winds 10 knots or less becoming north. mostly
sunny. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

see lake erie open lakes forecast for saturday through monday.

the water temperature off toledo is 77 degrees, off cleveland 77
degrees, and off erie 77 degrees.

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082432

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz121-130400-
chequamegon bay-bayfield to oak point wi-
602 pm cdt wed aug 12 2026

.tonight...northeast wind 5 knots early in the evening becoming
variable 10 knots or less. partly cloudy in the evening then
becoming mostly cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming northeast
5 to 10 knots in the late morning and afternoon. slight chance of
showers. waves 1 foot or less. 
.thursday night...northeast wind 5 knots. mostly cloudy. waves
1 foot or less. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. patchy fog in the morning. waves 1 to 2 feet. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082433

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz148-130400-
oak point to saxon harbor wi-
602 pm cdt wed aug 12 2026

.tonight...southeast wind 5 knots early in the evening becoming
variable 10 knots or less. partly cloudy in the evening then
becoming mostly cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming northeast
5 knots in the late morning and afternoon. slight chance of
showers. waves 1 foot or less. 
.thursday night...northeast wind 5 knots. mostly cloudy. waves
1 foot or less. 
.friday...northeast wind 10 to 15 knots with gusts to around
20 knots. partly sunny. waves 1 to 3 feet. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082428

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz145-130400-
duluth mn to port wing wi-
602 pm cdt wed aug 12 2026

.tonight...northeast wind 5 knots. partly cloudy early in the
evening then becoming mostly cloudy. waves 1 foot or less. 
.thursday...northeast wind 5 to 10 knots. slight chance of
showers in the morning. waves 1 foot or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 foot or less. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. patchy fog in the morning. waves 1 to 3 feet building
to 2 to 4 feet late in the afternoon. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082427

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz144-130400-
two harbors to duluth mn-
602 pm cdt wed aug 12 2026

.tonight...northeast wind 5 knots. slight chance of showers late
in the night. waves 1 foot or less. 
.thursday...northeast wind 5 to 10 knots. slight chance of
showers in the morning. waves 1 foot or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 foot or less. 
.friday...northeast wind 15 to 20 knots with gusts to around
25 knots. partly sunny. waves 1 to 3 feet building to 2 to 4 feet
late in the afternoon. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082426

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz143-130400-
silver bay harbor to two harbors mn-
602 pm cdt wed aug 12 2026

.tonight...west wind 5 knots becoming north late in the evening,
then becoming variable 10 knots or less after midnight becoming
north 5 knots late in the night. slight chance of rain showers
late in the night. waves 1 foot or less. 
.thursday...northeast wind 5 knots. slight chance of rain showers
in the morning. waves 1 foot or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves 1 foot or less. 
.friday...northeast wind 10 to 15 knots. gusts up to 20 knots in
the late morning and afternoon. partly sunny. waves 1 to 2 feet. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082425

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz142-130400-
taconite harbor to silver bay harbor mn-
602 pm cdt wed aug 12 2026

.tonight...west wind 5 knots early in the evening becoming
variable 10 knots or less. slight chance of rain showers late in
the night. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
late in the afternoon. slight chance of rain showers in the
morning. waves 1 foot or less. 
.thursday night...northeast wind 5 knots in the evening becoming
variable 10 knots or less, then becoming northeast 5 knots early
in the morning. mostly cloudy in the evening then becoming partly
cloudy. waves 1 foot or less. 
.friday...northeast wind 5 to 10 knots. partly sunny. waves
1 foot or less. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082424

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz141-130400-
grand marais to taconite harbor mn-
602 pm cdt wed aug 12 2026

.tonight...west wind 5 knots early in the evening becoming
variable 10 knots or less. slight chance of rain showers late in
the night. waves 1 foot or less. 
.thursday...north wind 5 knots becoming south in the late morning
and early afternoon, then becoming east late in the afternoon.
partly sunny. waves 1 foot or less. 
.thursday night...northeast wind 5 knots. mostly cloudy in the
evening then becoming partly cloudy. waves 1 foot or less. 
.friday...northeast wind 5 knots becoming east in the afternoon.
partly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082423

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz140-130400-
grand portage to grand marais mn-
602 pm cdt wed aug 12 2026

.tonight...southwest wind 5 knots becoming north after midnight.
mostly cloudy. waves 1 foot or less. 
.thursday...north wind 5 knots becoming east late in the morning,
then becoming south in the afternoon. mostly sunny. waves 1 foot
or less. 
.thursday night...south wind 5 knots becoming north in the late
evening and overnight. mostly cloudy in the evening then becoming
partly cloudy. waves 1 foot or less. 
.friday...northeast wind 5 to 10 knots becoming east in the
afternoon. partly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082430

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz147-130400-
sand island to bayfield wi-
602 pm cdt wed aug 12 2026

.tonight...southeast wind 5 knots early in the evening becoming
variable 10 knots or less. partly cloudy in the evening then
becoming mostly cloudy. waves 1 foot or less. 
.thursday...variable winds 10 knots or less becoming northeast
5 knots in the late morning and afternoon. slight chance of
showers in the morning. waves 1 foot or less. 
.thursday night...northeast wind 5 knots. partly cloudy in the
evening then becoming mostly cloudy. waves 1 foot or less. 
.friday...northeast wind 5 to 10 knots. gusts up to 20 knots late
in the afternoon. mostly sunny. waves 1 foot or less. 

$$
fzus53 kdlh 122302
nshdlh
expires:202608130400;;082429

nearshore marine forecast
national weather service duluth mn
602 pm cdt wed aug 12 2026

for waters within five 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.


lsz146-130400-
port wing to sand island wi-
602 pm cdt wed aug 12 2026

.tonight...southeast wind 5 knots early in the evening becoming
variable 10 knots or less. partly cloudy early in the evening
then becoming mostly cloudy. waves 1 foot or less. 
.thursday...northeast wind 5 to 10 knots. slight chance of
showers in the morning. waves 1 foot or less. 
.thursday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 1 foot or less. 
.friday...northeast wind 10 to 15 knots. gusts up to 20 knots in
the afternoon. partly sunny. waves 1 to 2 feet. 

$$
fzus53 kdtx 121945
nshdtx
expires:202608130345;;074483

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lhz443-130345-
port sanilac to port huron mi-
345 pm edt wed aug 12 2026

.tonight...northeast winds 5 to 10 knots backing to the north
after midnight. partly cloudy. a chance of showers and
thunderstorms in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots veering to the northeast
early in the afternoon. partly cloudy becoming mostly sunny in
the late morning and early afternoon becoming partly cloudy.
waves 2 feet or less. 
.thursday night...northeast winds 5 to 10 knots. mostly cloudy
until early morning becoming partly cloudy. waves 2 feet or less.
.friday...northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. partly cloudy early in the
morning then clearing. waves 1 to 3 feet. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 121945
nshdtx
expires:202608130345;;074482

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lhz442-130345-
harbor beach to port sanilac mi-
345 pm edt wed aug 12 2026

.tonight...northeast winds 5 to 10 knots early in the evening
becoming light and variable, then becoming northwest 5 to
10 knots early in the morning. mostly clear. a chance of showers
and thunderstorms in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots veering to the northeast
early in the afternoon. partly cloudy becoming mostly sunny in
the late morning and early afternoon becoming partly cloudy.
waves 2 feet or less. 
.thursday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable, then becoming north 5 to
10 knots after midnight. mostly cloudy until early morning
becoming partly cloudy. waves 2 feet or less. 
.friday...north winds 5 to 10 knots becoming northeast 10 to
15 knots early in the afternoon. partly cloudy early in the
morning then clearing. waves 2 feet or less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 121945
nshdtx
expires:202608130345;;074481

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lhz441-130345-
port austin to harbor beach mi-
345 pm edt wed aug 12 2026

.tonight...northeast winds 5 to 10 knots early in the evening
becoming light and variable, then becoming northwest 5 to
10 knots early in the morning. mostly clear. a chance of showers
and thunderstorms in the evening. waves 2 feet or less. 
.thursday...northwest winds 5 to 10 knots veering to the
northeast early in the afternoon. partly cloudy. waves 2 feet or
less. 
.thursday night...light and variable winds. partly cloudy. waves
2 feet or less. 
.friday...north winds 5 to 10 knots. mostly sunny. waves 2 feet
or less. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 121945
nshdtx
expires:202608130345;;074479

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lhz422-130345-
inner saginaw bay sw of point au gres to bay port mi-
345 pm edt wed aug 12 2026

.tonight...northeast winds 5 to 10 knots in the evening becoming
light and variable, then becoming north 5 to 10 knots early in
the morning. mostly clear. light showers likely and a chance of
thunderstorms in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots early in the morning
becoming light and variable, then becoming east 5 to 10 knots
early in the afternoon. partly cloudy. waves 2 feet or less. 
.thursday night...east winds 5 to 10 knots. mostly cloudy early
in the evening becoming partly cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. partly cloudy early in the
morning then clearing. waves 1 to 3 feet. 

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 121945
nshdtx
expires:202608130345;;074480

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lhz421-130345-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
345 pm edt wed aug 12 2026

.tonight...northeast winds 5 to 10 knots in the evening becoming
light and variable, then becoming northwest 5 to 10 knots early
in the morning. mostly clear. a chance of showers and
thunderstorms in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots veering to the east early
in the afternoon. partly cloudy. waves 2 feet or less. 
.thursday night...east winds 5 to 10 knots. mostly cloudy early
in the evening becoming partly cloudy. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots increasing to 10 to
15 knots early in the afternoon. mostly sunny. waves 1 to 3 feet.

see lake huron open lake forecast for days 3 through 5.

$$
fzus53 kdtx 121945
nshdtx
expires:202608130345;;074484

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lez444-130345-
michigan waters of lake erie from detroit river to north cape mi-
345 pm edt wed aug 12 2026

.tonight...west winds 5 to 10 knots veering to the northwest
early in the morning. partly cloudy. a chance of showers and
thunderstorms in the evening. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots early in the morning
becoming light and variable, then becoming south 5 to 10 knots
early in the afternoon. partly cloudy. waves 2 feet or less. 
.thursday night...east winds 5 to 10 knots. mostly cloudy. a
chance of showers early in the evening. a chance of showers after
midnight. waves 2 feet or less. 
.friday...east winds 5 to 10 knots. mostly cloudy early in the
morning becoming partly cloudy. waves 2 feet or less. 

see lake erie open lake forecast for days 3 through 5.

the water temperature at belle isle is 77 degrees.

$$
fzus53 kgrr 122154
nshgrr
expires:202608130800;;079835

nearshore marine forecast
national weather service grand rapids mi
554 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-130800-
pentwater to manistee mi-
554 pm edt wed aug 12 2026

.through early evening...northwest winds 5 to 15 knots. mostly
sunny. waves 1 foot or less. 
.tonight...north winds around 10 knots veering northeast after
midnight. partly cloudy. waves 1 foot or less. 
.thursday...east winds around 5 knots backing north in the late
morning and afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...north winds 5 to 10 knots veering northeast after
midnight. partly cloudy. waves less than 1 foot. 
.friday...northeast winds 10 to 20 knots backing north early in the
afternoon. partly sunny. waves 1 to 3 feet. 
.friday night...north winds 10 to 20 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.saturday...southeast winds 10 to 15 knots veering south early in
the afternoon. partly sunny. waves around 1 foot. 
.sunday...northwest winds 10 to 15 knots. mostly cloudy with rain
showers likely and a chance of thunderstorms. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots. sunny. waves around 1 foot. 

$$
fzus53 kgrr 122154
nshgrr
expires:202608130800;;079840

nearshore marine forecast
national weather service grand rapids mi
554 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-130800-
st joseph to south haven mi-
554 pm edt wed aug 12 2026

.through early evening...west winds around 10 knots. mostly cloudy
with a slight chance of showers and thunderstorms. waves less than
1 foot. 
.tonight...west winds 5 to 10 knots veering northeast in the late
evening and overnight. partly cloudy. waves less than 1 foot. 
.thursday...northeast winds around 5 knots backing north early in
the afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...northeast winds 5 to 10 knots veering east after
midnight. cloudy with a chance of rain showers. waves less than
1 foot. 
.friday...east winds around 10 knots. mostly cloudy with a chance of
rain showers. waves less than 1 foot. 
.friday night...east winds 10 to 15 knots. partly cloudy. waves
around 1 foot. 
.saturday...southeast winds 10 to 15 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 
.sunday...west winds 10 to 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 2 feet. 
.monday...north winds around 10 knots increasing to around 15 knots
early in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kgrr 122154
nshgrr
expires:202608130800;;079839

nearshore marine forecast
national weather service grand rapids mi
554 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-130800-
south haven to holland mi-
554 pm edt wed aug 12 2026

.through early evening...west winds around 10 knots. mostly cloudy
with a slight chance of showers and thunderstorms. waves less than
1 foot. 
.tonight...west winds around 10 knots veering northeast after
midnight. partly cloudy. waves less than 1 foot. 
.thursday...northeast winds around 5 knots backing northwest early
in the afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...north winds 5 to 10 knots veering northeast in the
late evening and overnight. cloudy with a slight chance of rain
showers. waves less than 1 foot. 
.friday...east winds around 10 knots. mostly cloudy with a chance of
rain showers. waves less than 1 foot. 
.friday night...northeast winds around 10 knots veering east in the
late evening and overnight. partly cloudy. waves around 1 foot. 
.saturday...southeast winds 10 to 15 knots. partly sunny with a
chance of rain showers. waves 1 foot or less. 
.sunday...west winds around 15 knots veering northwest early in the
afternoon. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kgrr 122154
nshgrr
expires:202608130800;;079838

nearshore marine forecast
national weather service grand rapids mi
554 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-130800-
holland to grand haven mi-
554 pm edt wed aug 12 2026

.through early evening...west winds 10 to 15 knots. mostly cloudy.
waves less than 1 foot. 
.tonight...northwest winds around 10 knots veering northeast after
midnight. partly cloudy. waves 1 foot or less. 
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...northwest winds 5 to 10 knots veering northeast in
the late evening and overnight. mostly cloudy. waves less than
1 foot. 
.friday...east winds around 10 knots. partly sunny with a slight
chance of rain showers. waves 1 foot or less. 
.friday night...north winds around 10 knots veering east 10 to
20 knots in the late evening and overnight. partly cloudy. waves
around 1 foot. 
.saturday...southeast winds 10 to 20 knots decreasing to around
10 knots early in the afternoon. partly sunny with a chance of rain
showers. waves around 1 foot. 
.sunday...west winds around 15 knots. mostly cloudy with rain
showers likely and a chance of thunderstorms. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kgrr 122154
nshgrr
expires:202608130800;;079837

nearshore marine forecast
national weather service grand rapids mi
554 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-130800-
grand haven to whitehall mi-
554 pm edt wed aug 12 2026

.through early evening...west winds 10 to 15 knots. partly sunny.
waves less than 1 foot. 
.tonight...northwest winds around 10 knots veering northeast in the
late evening and overnight. partly cloudy. waves 1 foot or less. 
.thursday...east winds 5 to 10 knots backing northwest early in the
afternoon. mostly cloudy. waves less than 1 foot. 
.thursday night...northwest winds 5 to 10 knots veering northeast in
the late evening and overnight. mostly cloudy. waves less than
1 foot. 
.friday...east winds 10 to 15 knots. partly sunny. waves around
1 foot. 
.friday night...north winds 10 to 20 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 2 feet. 
.saturday...southeast winds 15 to 20 knots veering south 10 to
15 knots early in the afternoon. partly sunny with a chance of rain
showers. waves around 1 foot. 
.sunday...west winds around 15 knots veering northwest early in the
afternoon. mostly cloudy with rain showers likely and a chance of
thunderstorms. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kgrr 122154
nshgrr
expires:202608130800;;079836

nearshore marine forecast
national weather service grand rapids mi
554 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-130800-
whitehall to pentwater mi-
554 pm edt wed aug 12 2026

.through early evening...northwest winds 10 to 15 knots. mostly
sunny. waves 1 foot or less. 
.tonight...north winds around 10 knots veering northeast in the late
evening and overnight. partly cloudy. waves 1 foot or less. 
.thursday...east winds 5 to 10 knots backing north in the late
morning and afternoon. mostly cloudy. waves 1 foot or less. 
.thursday night...north winds 5 to 10 knots veering northeast after
midnight. mostly cloudy. waves less than 1 foot. 
.friday...east winds 10 to 20 knots backing northwest early in the
afternoon. partly sunny. waves 1 to 3 feet. 
.friday night...north winds 10 to 20 knots veering east in the late
evening and overnight. partly cloudy. waves 1 to 3 feet. 
.saturday...southeast winds 15 to 20 knots veering south early in
the afternoon. partly sunny with a chance of rain showers. waves
around 1 foot. 
.sunday...northwest winds 15 to 20 knots becoming around 15 knots
early in the afternoon. mostly cloudy with rain showers likely and a
chance of thunderstorms. waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots backing northwest 15 to
20 knots early in the afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kiwx 121945
nshiwx
expires:202608130215;;074477

nearshore marine forecast
national weather service northern indiana
345 pm edt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-130215-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
345 pm edt wed aug 12 2026

.tonight...northwest winds less than 10 knots. patchy fog late.
waves 1 foot or less. 
.thursday...southeast winds less than 10 knots becoming
northeast. a slight chance of showers in the morning, then a
chance of showers with a slight chance of thunderstorms in the
afternoon. waves 1 foot or less. 
.thursday night...northeast winds 10 knots or less becoming east.
a chance of showers with a slight chance of thunderstorms in the
evening, then showers likely with a slight chance of
thunderstorms overnight. waves 1 foot or less. 
.friday...east winds 5 to 10 knots becoming northeast. a chance
of showers. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 72 degrees and at michigan
city is 65 degrees.

$$
fzus53 klot 122022
nshlot
expires:202608130315;;076261

nearshore marine forecast
national weather service chicago/romeoville il
322 pm cdt wed aug 12 2026

for waters within 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 waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz740-130315-
winthrop harbor to wilmette harbor il-
322 pm cdt wed aug 12 2026

.tonight...northeast winds 5 to 10 kt. patchy fog after midnight.
waves around 1 ft. 
.thursday...northeast winds around 10 kt becoming east. patchy
fog in the morning. slight chance of showers in the morning, then
chance of showers and slight chance of thunderstorms in the
afternoon. waves around 1 ft. 
.thursday night...east winds around 10 kt. chance of showers and
slight chance of thunderstorms. waves 1 to 2 ft. 
.friday...east winds 10 to 15 kt. chance of showers in the
morning. waves 1 to 3 ft.  

$$
fzus53 klot 122022
nshlot
expires:202608130315;;076262

nearshore marine forecast
national weather service chicago/romeoville il
322 pm cdt wed aug 12 2026

for waters within 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 waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz741-742-130315-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
322 pm cdt wed aug 12 2026

.tonight...west winds 5 to 10 kt becoming northeast early this
evening. patchy fog after midnight. waves 1 ft or less.
.thursday...east winds around 10 kt becoming northeast. patchy
fog in the morning. slight chance of showers in the morning, then
showers likely and slight chance of thunderstorms in the
afternoon. waves around 1 ft. 
.thursday night...east winds around 10 kt. chance of showers and
slight chance of thunderstorms. waves 1 to 2 ft. 
.friday...east winds 10 to 15 kt. chance of showers in the
morning, then slight chance of showers and thunderstorms in the
afternoon. waves 1 to 3 ft.  

$$
fzus53 klot 122022
nshlot
expires:202608130315;;076263

nearshore marine forecast
national weather service chicago/romeoville il
322 pm cdt wed aug 12 2026

for waters within 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 waves, along with the
average height of the highest 10 percent of the waves which will
occasionally be encountered.


lmz743>745-130315-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
322 pm cdt wed aug 12 2026

.tonight...southwest winds 5 to 10 kt becoming northeast this
evening. patchy fog after midnight. waves 1 ft or less. 
.thursday...east winds around 10 kt becoming northeast in the
afternoon. patchy fog in the morning. slight chance of showers in
the morning, then showers likely and a chance of thunderstorms in
the afternoon. waves 1 ft or less. 
.thursday night...east winds around 10 kt. chance of showers and
slight chance of thunderstorms in the evening, then showers
likely and slight chance of thunderstorms overnight. waves 1 to
2 ft. 
.friday...east winds 10 to 15 kt. chance of showers and slight
chance of thunderstorms in the morning, then slight chance of
showers and thunderstorms in the afternoon. waves 1 to 2 ft.  

$$
fzus53 kmkx 130010
nshmkx
expires:202608130400;;085909

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-130400-
sheboygan to port washington wi-
710 pm cdt wed aug 12 2026

.tonight...northeast wind 5 to 10 knots easing to 5 knots late in
the evening, then becoming northeast 5 knots after midnight
rising to 5 to 10 knots early in the morning. patchy fog in the
late evening and overnight. waves nearly calm. 
.thursday...east wind 5 to 10 knots veering southeast early in
the afternoon, then becoming southeast 5 to 10 knots late in the
afternoon. patchy fog in the morning. slight chance of showers in
the morning. chance of showers in the afternoon. waves around
1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast after
midnight, then rising to 10 to 15 knots early in the morning.
patchy fog after midnight. waves around 1 foot. 
.friday...northeast wind 10 to 15 knots veering east in the late
morning and early afternoon, then backing northeast with gusts to
around 20 knots late in the afternoon. partly sunny. waves 1 to
2 feet. 

$$
fzus53 kmkx 130010
nshmkx
expires:202608130400;;085910

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz644-130400-
port washington to north point light wi-
710 pm cdt wed aug 12 2026

.tonight...northeast wind 5 to 10 knots easing to 5 knots late in
the evening, then becoming northeast 5 knots after midnight
rising to 5 to 10 knots early in the morning. patchy fog in the
late evening and overnight. waves nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east late in the
morning, then becoming east 5 to 10 knots in the afternoon.
patchy fog in the morning. slight chance of showers in the
morning, then chance of showers in the afternoon. waves around
1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast after
midnight, then rising to 10 to 15 knots early in the morning.
patchy fog after midnight. slight chance of showers after
midnight. waves around 1 foot. 
.friday...northeast wind 10 to 15 knots veering east in the late
morning and early afternoon, then backing northeast late in the
afternoon. slight chance of showers in the morning. waves 1 to
2 feet. 

$$
fzus53 kmkx 130010
nshmkx
expires:202608130400;;085911

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz645-130400-
north point light to wind point wi-
710 pm cdt wed aug 12 2026

.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then becoming northeast after midnight rising to 5 to
10 knots early in the morning. patchy fog in the late evening and
overnight. waves nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east early in
the afternoon, then becoming east 5 to 10 knots late in the
afternoon. patchy fog in the morning. slight chance of showers
through the day. waves around 1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast after
midnight, then rising to 10 to 15 knots early in the morning.
slight chance of showers through around midnight, then chance of
showers after midnight. patchy fog after midnight. waves around
1 foot. 
.friday...northeast wind 10 to 15 knots veering east in the late
morning and early afternoon, then backing northeast late in the
afternoon. chance of showers through the day. waves 1 to 2 feet. 

$$
fzus53 kmkx 130010
nshmkx
expires:202608130400;;085912

nearshore marine forecast
national weather service milwaukee/sullivan wi
710 pm cdt wed aug 12 2026

for waters within five nautical miles of shore on lake michigan


lmz646-130400-
wind point wi to winthrop harbor il-
710 pm cdt wed aug 12 2026

.tonight...northeast wind 5 to 10 knots backing north late in the
evening, then becoming northeast after midnight rising to 5 to
10 knots early in the morning. patchy fog after midnight. waves
nearly calm. 
.thursday...northeast wind 5 to 10 knots veering east in the
afternoon. patchy fog in the morning. slight chance of showers in
the morning, then showers likely in the afternoon. waves around
1 foot. 
.thursday night...east wind 5 to 10 knots backing northeast after
midnight, then rising to 10 to 15 knots early in the morning.
chance of showers through the night. patchy fog after midnight.
waves around 1 foot. 
.friday...east wind 10 to 15 knots. chance of showers through the
day. waves 1 to 3 feet. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077635

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz240-241-130800-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 pm edt wed aug 12 2026 /401 pm cdt wed aug 12 2026/

.late this afternoon...variable wind less than 10 knots. sunny.
waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. mostly clear through
late evening then becoming mostly cloudy. waves calm to 1 foot. 
.thursday...variable wind less than 10 knots becoming northeast
less than 10 knots by late morning. partly cloudy. a slight
chance of showers through early afternoon. waves calm to 1 foot. 
.thursday night...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.friday...northeast wind 5 to 15 knots with gusts up to 26 knots.
partly cloudy. waves building to 1 to 2 feet. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077634

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lmz248-250-130800-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
501 pm edt wed aug 12 2026

.late this afternoon...southwest wind less than 10 knots. sunny.
waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. clear then becoming
partly cloudy by midnight then becoming mostly cloudy. waves calm
to 1 foot. 
.thursday...variable wind less than 10 knots becoming southwest
less than 10 knots by late morning. partly cloudy. waves calm to
1 foot. 
.thursday night...north wind less than 10 knots. mostly cloudy in
the evening then becoming partly cloudy. waves calm to 1 foot. 
.friday...northeast wind less than 10 knots veering east in the
afternoon. partly cloudy. waves calm to 1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077633

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lmz221-130800-
green bay north of line from cedar river mi to rock island
passage-
501 pm edt wed aug 12 2026

.late this afternoon...variable wind less than 10 knots. sunny
with a slight chance of showers. waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. mostly clear through
midnight then becoming mostly cloudy. waves calm to 1 foot. 
.thursday...variable wind less than 10 knots becoming southeast
less than 10 knots late. partly cloudy. a slight chance of
showers and thunderstorms by late morning. waves calm to 1 foot. 
.thursday night...northeast wind less than 10 knots. mostly
cloudy in the evening then becoming partly cloudy. waves calm to
1 foot. 
.friday...northeast wind less than 10 knots veering east in the
afternoon. mostly sunny. waves calm to 1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077636

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz242-243-130800-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 pm edt wed aug 12 2026

.late this afternoon...variable wind less than 10 knots. sunny.
waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. mostly clear through
late evening then becoming mostly cloudy. waves calm to 1 foot. 
.thursday...north wind less than 10 knots veering northeast late.
partly cloudy. a slight chance of showers through mid morning.
waves calm to 1 foot. 
.thursday night...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.friday...northeast wind 5 to 15 knots with gusts up to 23 knots.
partly cloudy. waves building to 1 to 2 feet. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077637

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz244-245-130800-
eagle river to manitou island mi-
manitou island to point isabelle mi-
501 pm edt wed aug 12 2026

.late this afternoon...variable wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. partly cloudy
through late evening then becoming mostly cloudy. waves calm to
1 foot. 
.thursday...variable wind less than 10 knots. partly cloudy.
waves calm to 1 foot. 
.thursday night...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.friday...northeast wind less than 10 knots veering east in the
afternoon. partly cloudy. waves calm to 1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077638

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz246-130800-
point isabelle to lower entrance of portage canal mi-
501 pm edt wed aug 12 2026

.late this afternoon...east wind less than 10 knots. sunny. waves
calm to 1 foot. 
.tonight...variable wind less than 10 knots. mostly clear through
late evening then becoming mostly cloudy. patchy fog late. waves
calm to 1 foot. 
.thursday...variable wind less than 10 knots becoming southeast
less than 10 knots by late morning, then backing east late.
partly cloudy. waves calm to 1 foot. 
.thursday night...east wind less than 10 knots in the evening
becoming variable. partly cloudy. waves calm to 1 foot. 
.friday...east wind 5 to 15 knots. partly cloudy. waves building
to 1 to 2 feet. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077640

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz248-130800-
huron islands to marquette mi-
501 pm edt wed aug 12 2026

.late this afternoon...variable wind less than 10 knots. sunny.
waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. mostly clear through
midnight then becoming mostly cloudy. waves calm to 1 foot. 
.thursday...variable wind less than 10 knots becoming east less
than 10 knots late. partly cloudy. waves calm to 1 foot. 
.thursday night...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.friday...northeast wind less than 10 knots veering east in the
afternoon. gusts up to 17 knots. partly cloudy. waves calm to
1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077641

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz249-130800-
marquette to munising mi-
501 pm edt wed aug 12 2026

.late this afternoon...variable wind less than 10 knots. mostly
sunny. waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. partly cloudy
through midnight then becoming mostly cloudy. waves calm to
1 foot. 
.thursday...variable wind less than 10 knots becoming northeast
less than 10 knots late. partly cloudy. waves calm to 1 foot. 
.thursday night...variable wind less than 10 knots becoming
northwest less than 10 knots after midnight. partly cloudy. waves
calm to 1 foot. 
.friday...north wind less than 10 knots veering northeast in the
afternoon. mostly sunny. waves calm to 1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077642

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz250-130800-
munising to grand marais mi-
501 pm edt wed aug 12 2026

.late this afternoon...variable wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. mostly cloudy. waves
calm to 1 foot. 
.thursday...variable wind less than 10 knots. partly cloudy.
waves calm to 1 foot. 
.thursday night...north wind less than 10 knots. partly cloudy.
waves calm to 1 foot. 
.friday...northeast wind less than 10 knots. partly cloudy. waves
calm to 1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077643

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz251-130800-
grand marais to whitefish point mi-
501 pm edt wed aug 12 2026

.late this afternoon...northwest wind less than 10 knots. partly
cloudy. waves calm to 1 foot. 
.tonight...northwest wind less than 10 knots backing west late.
mostly cloudy. waves calm to 1 foot. 
.thursday...northwest wind less than 10 knots. partly cloudy.
waves calm to 1 foot. 
.thursday night...northwest wind less than 10 knots. partly
cloudy in the evening then becoming mostly cloudy. waves calm to
1 foot. 
.friday...north wind less than 10 knots. partly cloudy. waves
calm to 1 foot. 

$$
fzus53 kmqt 122101
nshmqt
expires:202608130800;;077639

nearshore marine forecast
national weather service marquette mi
501 pm edt wed aug 12 2026

for waters within five nautical miles of shore

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.


lsz247-130800-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
501 pm edt wed aug 12 2026

.late this afternoon...northeast wind less than 10 knots. sunny.
waves calm to 1 foot. 
.tonight...variable wind less than 10 knots. partly cloudy
through midnight then becoming mostly cloudy. patchy fog. waves
calm to 1 foot. 
.thursday...variable wind less than 10 knots becoming east less
than 10 knots by late morning. partly cloudy. a slight chance of
showers through mid morning. waves calm to 1 foot. 
.thursday night...east wind less than 10 knots. partly cloudy.
waves calm to 1 foot. 
.friday...east wind 5 to 15 knots. partly cloudy. waves building
to 1 to 2 feet. 

$$
© Copyright 2026 WeatherFlow, Inc · Contact Us ·