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fzus53 kapx 170645
nshapx
expires:202608171445;;333800

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lhz345-171445-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming west in the
afternoon. sunny early in the morning then becoming mostly sunny.
waves 2 feet or less. 
.tonight...southwest wind 10 to 15 knots. slight chance of
showers. waves 2 feet or less. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 to 3 feet. 
.tuesday night...northwest wind 5 to 10 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333801

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lhz346-171445-
st ignace to false detour channel-
245 am edt mon aug 17 2026

.today...west wind 5 to 10 knots. sunny early in the morning then
becoming mostly sunny. waves 2 feet or less. 
.tonight...southwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 to 3 feet. 
.tuesday night...northwest wind 10 to 15 knots. partly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333802

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lhz347-171445-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots. mostly clear. waves 2 to
3 feet. 
.tonight...southwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 to 3 feet. 
.tuesday night...northwest wind 10 to 15 knots. partly cloudy.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333803

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lhz348-171445-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming north in the
afternoon. partly cloudy early in the morning then clearing.
waves 2 to 3 feet subsiding to 2 feet or less in the morning. 
.tonight...southwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.tuesday...southwest wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.tuesday night...northwest wind 10 to 15 knots. mostly cloudy.
waves 2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333804

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lhz349-171445-
sturgeon pt to alabaster mi-
245 am edt mon aug 17 2026

.today...north wind 5 to 10 knots becoming east in the afternoon.
mostly cloudy early in the morning then clearing. waves 2 feet or
less. 
.tonight...south wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.tuesday...southwest wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 
.tuesday night...northwest wind 5 to 10 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333797

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lmz323-171445-
grand traverse bay south of a line grand traverse light to
norwood mi-
245 am edt mon aug 17 2026

.today...light winds becoming northwest 5 to 10 knots in the
morning. mostly clear. waves 2 feet or less. 
.tonight...south wind 5 to 10 knots. partly cloudy. waves 2 feet
or less. 
.tuesday...west wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.tuesday night...north wind 5 to 10 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333795

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lmz341-171445-
seul choix point to 5nm west of mackinac bridge-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming southwest in the
afternoon. sunny early in the morning then becoming mostly sunny.
waves 2 feet or less. 
.tonight...southwest wind 10 to 15 knots. chance of showers.
waves 2 to 3 feet. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 to 3 feet. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333796

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lmz342-171445-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming west in the
afternoon. mostly clear. waves 2 feet or less. 
.tonight...southwest wind 10 to 15 knots. partly cloudy. waves
2 to 3 feet. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 to 3 feet. 
.tuesday night...northwest wind 5 to 10 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333798

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lmz344-345-171445-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming southwest early in
the evening. mostly clear. waves 2 feet or less. 
.tonight...southwest wind 10 to 15 knots. partly cloudy. waves
2 feet or less. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 feet or less. 
.tuesday night...north wind 5 to 10 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333799

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lmz346-171445-
manistee to point betsie mi-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming southwest early in
the evening. mostly clear. waves 2 feet or less. 
.tonight...southwest wind 5 to 10 knots. partly cloudy. waves
2 feet or less. 
.tuesday...southwest wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 
.tuesday night...north wind 5 to 10 knots. chance of showers.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333793

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lsz321-171445-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
245 am edt mon aug 17 2026

.today...northwest wind 5 to 10 knots becoming north in the
afternoon. sunny early in the morning then becoming mostly sunny.
waves 2 to 3 feet. 
.tonight...south wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.tuesday...west wind 10 to 15 knots. chance of showers. waves
2 to 3 feet. 
.tuesday night...west wind 5 to 10 knots. partly cloudy. waves
2 to 3 feet. 

see the open lakes forecast for days 3 through 5.

$$
fzus53 kapx 170645
nshapx
expires:202608171445;;333794

nearshore marine forecast
national weather service gaylord mi
245 am edt mon aug 17 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.


lsz322-171445-
st. marys river point iroquois to e. potagannissing bay-
245 am edt mon aug 17 2026

.today...north wind 5 to 10 knots becoming northwest in the
afternoon. sunny early in the morning then becoming mostly sunny.
.tonight...southwest wind 5 to 10 knots. slight chance of
showers. 
.tuesday...west wind 10 to 15 knots. chance of showers. 
.tuesday night...northwest wind 10 to 15 knots. partly cloudy. 

see the open lakes forecast for days 3 through 5.

$$
fzus51 kbuf 170803
nshbuf
expires:202608171500;;336580

nearshore marine forecast
national weather service buffalo ny
403 am edt mon aug 17 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.


lez040-041-171500-
buffalo to ripley along lake erie-
403 am edt mon aug 17 2026

.today...west winds 5 to 10 knots. a chance of showers early.
waves 2 feet or less. 
.tonight...west winds 10 knots or less becoming northeast. partly
cloudy. waves 2 feet or less. 
.tuesday...light and variable winds becoming west 5 to 10 knots.
sunny. waves 1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots. showers likely
overnight. waves 1 to 2 feet. 
.wednesday...southwest winds 5 to 15 knots becoming northeast
less than 10 knots. showers during the day, then a chance of
showers wednesday night. waves 1 to 3 feet subsiding to 1 foot or
less. 
.thursday...northeast winds less than 10 knots becoming east.
mainly clear. waves 1 foot or less. 
.friday...east winds less than 10 knots becoming southeast.
mainly clear, then becoming partly cloudy. waves 1 foot or less. 

$$
fzus51 kbuf 170803
nshbuf
expires:202608171500;;336581

nearshore marine forecast
national weather service buffalo ny
403 am edt mon aug 17 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.


loz042-171500-
niagara river to hamlin beach along lake ontario-
403 am edt mon aug 17 2026

.today...west winds 5 to 10 knots. partly sunny this morning,
then becoming mostly sunny. waves 2 feet or less. 
.tonight...northwest winds 5 to 10 knots. mainly clear in the
evening, then becoming partly cloudy. waves 2 feet or less. 
.tuesday...west winds 10 knots or less. mostly sunny. waves
1 foot or less. 
.tuesday night...southwest winds 10 to 15 knots. showers likely
overnight. waves 2 feet or less. 
.wednesday...west winds 5 to 15 knots becoming northwest. showers
likely during the day, then a chance of showers wednesday night.
waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming north.
mainly clear. waves 1 foot or less. 
.friday...east winds less than 10 knots becoming south. mainly
clear, then becoming partly cloudy. waves 1 foot or less. 

$$
fzus51 kbuf 170803
nshbuf
expires:202608171500;;336578

nearshore marine forecast
national weather service buffalo ny
403 am edt mon aug 17 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.


lez020-171500-
upper niagara river and buffalo harbor-
403 am edt mon aug 17 2026

.today...northwest winds 10 knots or less. mostly cloudy this
morning, then becoming mostly sunny. 
.tonight...north winds less than 10 knots. mainly clear. 
.tuesday...light and variable winds becoming southwest 5 to
10 knots. mostly sunny. 
.tuesday night...southwest winds 5 to 10 knots. showers likely
overnight. 
.wednesday...west winds 5 to 10 knots becoming light and
variable. showers.
.thursday...light and variable winds. mainly clear. 
.friday...light and variable winds. mainly clear, then becoming
partly cloudy. 

the water temperature off buffalo is 76 degrees.

$$
fzus51 kbuf 170803
nshbuf
expires:202608171500;;336584

nearshore marine forecast
national weather service buffalo ny
403 am edt mon aug 17 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.


loz045-171500-
mexico bay to the saint lawrence river along lake ontario-
403 am edt mon aug 17 2026

.today...south winds 10 to 15 knots becoming north 10 knots or
less. a chance of showers and thunderstorms early, then a chance
of showers. waves 2 feet or less. 
.tonight...north winds 5 to 10 knots becoming light and variable.
becoming mainly clear. waves 1 foot or less. 
.tuesday...light and variable winds becoming west 5 to 10 knots.
sunny. waves 1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots becoming south. a
chance of showers overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming northwest.
showers during the day, then a chance of showers wednesday night.
waves 1 to 3 feet. 
.thursday...northwest winds 10 knots or less becoming southwest.
mainly clear. waves 1 foot or less. 
.friday...south winds less than 10 knots becoming southeast.
mainly clear, then becoming partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 170803
nshbuf
expires:202608171500;;336583

nearshore marine forecast
national weather service buffalo ny
403 am edt mon aug 17 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.


loz044-171500-
sodus bay to mexico bay along lake ontario-
403 am edt mon aug 17 2026

.today...southwest winds 5 to 10 knots becoming northwest. a
chance of showers and thunderstorms early, then a chance of
showers. waves 2 feet or less. 
.tonight...northwest winds 5 to 10 knots becoming light and
variable. partly cloudy. waves 2 feet or less. 
.tuesday...southwest winds 10 knots or less becoming northwest.
mostly sunny. waves 1 foot or less. 
.tuesday night...west winds 10 knots or less becoming south.
partly to mostly cloudy. waves 1 foot or less. 
.wednesday...southwest winds 5 to 15 knots becoming northwest.
showers likely during the day, then a chance of showers wednesday
night. waves 2 feet or less. 
.thursday...west winds 10 knots or less becoming southwest.
mainly clear. waves 1 foot or less. 
.friday...south winds less than 10 knots. mainly clear, then
becoming partly cloudy. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus51 kbuf 170803
nshbuf
expires:202608171500;;336582

nearshore marine forecast
national weather service buffalo ny
403 am edt mon aug 17 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.


loz043-171500-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
403 am edt mon aug 17 2026

.today...west winds 5 to 10 knots becoming northwest. a chance of
showers early this afternoon. waves 2 feet or less. 
.tonight...northwest winds 10 knots or less. partly cloudy. waves
1 to 2 feet. 
.tuesday...west winds 10 knots or less becoming northwest. mostly
sunny. waves 1 foot or less. 
.tuesday night...west winds 10 knots or less becoming southwest.
a chance of showers overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 15 knots becoming northwest.
showers during the day, then a chance of showers wednesday night.
waves 2 feet or less. 
.thursday...northwest winds 10 knots or less becoming west.
mainly clear. waves 1 foot or less. 
.friday...southwest winds less than 10 knots becoming south.
mainly clear, then becoming partly cloudy. waves 1 foot or less. 

the water temperature off rochester is 47 degrees.

$$
fzus51 kcle 170743
nshcle
expires:202608171415;;335998

nearshore marine forecast
national weather service cleveland oh
343 am edt mon aug 17 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>149-171415-
vermilion to avon point oh-avon point to willowick oh-
willowick to geneva-on-the lake oh-geneva-on-the-
lake to conneaut oh-conneaut oh to ripley ny-
343 am edt mon aug 17 2026

.today...north winds 15 to 20 knots becoming northwest 5 to
15 knots. a slight chance of showers early. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tonight...northwest winds 10 knots or less becoming north.
partly cloudy. waves 2 feet or less. 
.tuesday...northwest winds 10 knots or less becoming west. sunny.
waves 1 foot or less. 
.tuesday night...west winds 5 to 15 knots becoming southwest. a
chance of showers overnight. waves 1 to 3 feet. 

see lake erie open lakes forecast for wednesday through friday.

the water temperature off toledo is 77 degrees, off cleveland 76
degrees, and off erie 77 degrees.

$$
fzus51 kcle 170743
nshcle
expires:202608171415;;335997

nearshore marine forecast
national weather service cleveland oh
343 am edt mon aug 17 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>144-171415-
maumee bay to reno beach oh-reno beach to the islands oh-
the islands to vermilion oh-
343 am edt mon aug 17 2026

.today...north winds 5 to 15 knots. a slight chance of showers
this morning. waves 2 feet or less. 
.tonight...north winds less than 10 knots becoming west. partly
cloudy. waves 1 foot or less. 
.tuesday...west winds 10 knots or less. mostly sunny. waves
1 foot or less. 
.tuesday night...southwest winds 5 to 15 knots. a chance of
showers overnight. waves 1 foot or less. 

see lake erie open lakes forecast for wednesday through friday.

the water temperature off toledo is 77 degrees, off cleveland 76
degrees, and off erie 77 degrees.

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341352

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz140-171600-
grand portage to grand marais mn-
500 am cdt mon aug 17 2026

...small craft advisory in effect from noon cdt today through
this evening...

.today...west wind 5 to 10 knots becoming southwest 15 to
20 knots with gusts to around 30 knots in the afternoon. mostly
sunny. waves 1 to 3 feet building to 2 to 4 feet late in the
afternoon. 
.tonight...west wind 10 to 15 knots with gusts to around 25 knots
easing to 5 to 10 knots early in the morning. rain showers likely
in the evening. slight chance of thunderstorms through the night.
slight chance of rain showers after midnight. waves 1 to 3 feet. 
.tuesday...west wind 10 to 15 knots. gusts up to 20 knots in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.tuesday night...west wind 10 to 15 knots with gusts to around
20 knots becoming northwest 5 to 10 knots after midnight. partly
cloudy. waves 1 to 2 feet. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341361

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz121-171600-
chequamegon bay-bayfield to oak point wi-
500 am cdt mon aug 17 2026

.today...southwest wind 5 knots. sunny. waves 1 foot or less. 
.tonight...southwest wind 5 to 10 knots. chance of showers in the
evening. slight chance of thunderstorms through the night. slight
chance of showers after midnight. waves 1 foot or less. 
.tuesday...northwest wind 5 knots. mostly sunny. waves 1 foot or
less. 
.tuesday night...west wind 5 knots. mostly clear. waves 1 foot or
less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341353

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz141-171600-
grand marais to taconite harbor mn-
500 am cdt mon aug 17 2026

...small craft advisory in effect from noon cdt today through
this evening...

.today...west wind 5 to 10 knots becoming southwest with gusts to
around 20 knots in the afternoon. mostly sunny. waves 1 to
2 feet. 
.tonight...west wind 5 to 10 knots. gusts up to 20 knots early in
the evening. chance of rain showers in the evening. slight chance
of thunderstorms through the night. slight chance of rain showers
after midnight. waves 1 to 2 feet. 
.tuesday...west wind 5 to 10 knots. gusts up to 20 knots in the
afternoon. mostly sunny. waves 1 foot or less. 
.tuesday night...northwest wind 5 to 10 knots easing to 5 knots
early in the morning. partly cloudy. waves 1 foot or less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341354

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz142-171600-
taconite harbor to silver bay harbor mn-
500 am cdt mon aug 17 2026

...small craft advisory in effect from noon cdt today through
this evening...

.today...southwest wind 5 knots rising to 5 to 10 knots with
gusts to around 20 knots in the afternoon. patchy fog early in
the morning. waves 1 foot or less. 
.tonight...west wind 5 to 10 knots. gusts up to 20 knots early in
the evening. chance of rain showers and slight chance of
thunderstorms in the evening. waves 1 foot or less. 
.tuesday...northwest wind 5 knots becoming west in the afternoon.
mostly sunny. waves 1 foot or less. 
.tuesday night...northwest wind 5 knots. mostly clear. waves
1 foot or less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341355

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz143-171600-
silver bay harbor to two harbors mn-
500 am cdt mon aug 17 2026

.today...southwest wind 5 knots rising to 5 to 10 knots with
gusts to around 20 knots in the afternoon. mostly sunny. waves
1 foot or less. 
.tonight...west wind 5 to 10 knots. rain showers likely and
slight chance of thunderstorms in the evening. waves 1 foot or
less. 
.tuesday...northwest wind 5 knots becoming west in the afternoon.
mostly sunny. waves 1 foot or less. 
.tuesday night...northwest wind 5 knots. mostly clear. waves
1 foot or less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341356

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz144-171600-
two harbors to duluth mn-
500 am cdt mon aug 17 2026

.today...southwest wind 5 to 10 knots. slight chance of rain
showers late in the afternoon. waves 1 foot or less. 
.tonight...west wind 5 to 10 knots. chance of rain showers and
slight chance of thunderstorms in the evening. waves 1 foot or
less. 
.tuesday...northwest wind 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.tuesday night...northwest wind 5 to 10 knots. mostly clear.
waves 1 foot or less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341357

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz145-171600-
duluth mn to port wing wi-
500 am cdt mon aug 17 2026

.today...southwest wind 5 to 10 knots. slight chance of rain
showers late in the afternoon. waves 1 foot or less. 
.tonight...west wind 5 to 10 knots. chance of rain showers and
slight chance of thunderstorms in the evening. waves 1 foot or
less. 
.tuesday...west wind 5 to 10 knots. mostly sunny. waves 1 foot or
less. 
.tuesday night...west wind 5 to 10 knots. mostly clear. waves
1 foot or less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341358

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz146-171600-
port wing to sand island wi-
500 am cdt mon aug 17 2026

.today...southwest wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.tonight...southwest wind 5 to 10 knots. gusts up to 20 knots
early in the evening. showers likely and slight chance of
thunderstorms in the evening. waves 1 foot or less. 
.tuesday...west wind 5 knots. mostly sunny. waves 1 foot or less.
.tuesday night...west wind 5 knots. mostly clear. waves 1 foot or
less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341359

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz147-171600-
sand island to bayfield wi-
500 am cdt mon aug 17 2026

.today...southwest wind 5 to 10 knots. sunny. waves 1 foot or
less. 
.tonight...southwest wind 5 to 10 knots becoming west early in
the morning. chance of showers and slight chance of thunderstorms
in the evening. waves 1 foot or less. 
.tuesday...west wind 5 knots. mostly sunny. waves 1 foot or less.
.tuesday night...west wind 5 knots. mostly clear. waves 1 foot or
less. 

$$
fzus53 kdlh 171000
nshdlh
expires:202608171600;;341362

nearshore marine forecast
national weather service duluth mn
500 am cdt mon aug 17 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.


lsz148-171600-
oak point to saxon harbor wi-
500 am cdt mon aug 17 2026

.today...southwest wind 5 knots becoming south late in the
afternoon. sunny. waves 1 foot or less. 
.tonight...south wind 5 knots becoming southwest in the late
evening and overnight. chance of showers in the evening. slight
chance of thunderstorms through the night. slight chance of
showers after midnight. waves 1 foot or less. 
.tuesday...northwest wind 5 knots. mostly sunny. waves 1 foot or
less. 
.tuesday night...west wind 5 knots. mostly clear. waves 1 foot or
less. 

$$
fzus53 kdtx 170738
nshdtx
expires:202608171545;;335825

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 am edt mon aug 17 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.


lhz422-171545-
inner saginaw bay sw of point au gres to bay port mi-
338 am edt mon aug 17 2026

.today...north winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon, then veering to the east
late in the afternoon. partly cloudy in the morning then
clearing. waves 2 feet or less. 
.tonight...east winds 5 to 10 knots veering to the southwest
after midnight. mostly clear. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. mostly sunny until late afternoon becoming partly
cloudy. waves 2 feet or less. 
.tuesday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. becoming partly cloudy after
midnight. light showers and a chance of thunderstorms until early
morning, then a chance of showers after midnight. waves 1 to
3 feet. 

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

$$
fzus53 kdtx 170738
nshdtx
expires:202608171545;;335826

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 am edt mon aug 17 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.


lhz421-171545-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
338 am edt mon aug 17 2026

...small craft advisory in effect until noon edt today...

.today...north winds 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. partly cloudy in the morning then
clearing. waves 3 to 5 feet subsiding to 1 to 3 feet in the late
morning and afternoon. 
.tonight...east winds 5 to 10 knots veering to the southeast in
the late evening and early morning, then veering to the southwest
after midnight. mostly clear. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. mostly sunny. waves 2 feet or
less. 
.tuesday night...southwest winds 15 to 20 knots becoming
northwest 10 to 15 knots in the late evening and overnight. light
showers and a chance of thunderstorms until early morning, then
mostly cloudy with a chance of showers after midnight. waves 1 to
3 feet. 

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

$$
fzus53 kdtx 170738
nshdtx
expires:202608171545;;335830

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 am edt mon aug 17 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.


lez444-171545-
michigan waters of lake erie from detroit river to north cape mi-
338 am edt mon aug 17 2026

.today...north winds 5 to 10 knots. mostly cloudy with a slight
chance of showers in the morning, then partly cloudy in the
afternoon. waves 2 feet or less. 
.tonight...north winds 5 to 10 knots veering to the east in the
late evening and early morning, then backing to the west after
midnight. mostly clear. waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots becoming southwest 10 to
15 knots early in the afternoon. mostly sunny. waves 2 feet or
less. 
.tuesday night...southwest winds 10 to 15 knots. partly cloudy
until early morning becoming mostly cloudy. a chance of showers
after midnight. 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 kdtx 170738
nshdtx
expires:202608171545;;335829

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 am edt mon aug 17 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.


lhz443-171545-
port sanilac to port huron mi-
338 am edt mon aug 17 2026

...small craft advisory in effect until noon edt today...

.today...north winds 10 to 15 knots. mostly cloudy in the morning
becoming mostly sunny. waves 3 to 5 feet subsiding to 1 to 3 feet
in the afternoon. 
.tonight...northeast winds 10 to 15 knots early in the evening
becoming light and variable. mostly clear. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less. 
.tuesday night...west winds 10 to 15 knots. partly cloudy with a
chance of showers until early morning, then mostly cloudy with
showers likely after midnight. waves 2 feet or less. 

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

$$
fzus53 kdtx 170738
nshdtx
expires:202608171545;;335828

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 am edt mon aug 17 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.


lhz442-171545-
harbor beach to port sanilac mi-
338 am edt mon aug 17 2026

...small craft advisory in effect until noon edt today...

.today...north winds 10 to 15 knots. mostly cloudy in the morning
becoming mostly sunny. waves 3 to 5 feet subsiding to 1 to 3 feet
in the afternoon. 
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. mostly clear. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots. mostly sunny. waves
2 feet or less. 
.tuesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots after midnight. partly cloudy early in the evening
becoming mostly cloudy. a chance of showers early in the evening.
a chance of thunderstorms until early morning. light showers
likely in the late evening and overnight. waves 2 feet or less. 

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

$$
fzus53 kdtx 170738
nshdtx
expires:202608171545;;335827

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
338 am edt mon aug 17 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.


lhz441-171545-
port austin to harbor beach mi-
338 am edt mon aug 17 2026

...small craft advisory in effect until noon edt today...

.today...north winds 10 to 15 knots diminishing to 5 to 10 knots
in the afternoon. mostly cloudy in the morning then clearing.
waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon.
.tonight...northeast winds 5 to 10 knots early in the evening
becoming light and variable, then becoming southwest 5 to
10 knots after midnight. mostly clear. waves 2 feet or less. 
.tuesday...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. mostly sunny. waves
2 feet or less. 
.tuesday night...southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and early morning, then
becoming north 10 to 15 knots after midnight. partly cloudy early
in the evening. light showers and a chance of thunderstorms.
waves 1 to 3 feet. 

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

$$
fzus53 kgrb 170816
nshgrb
expires:202608171600;;337613

nearshore marine forecast
national weather service green bay wi
316 am cdt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-171600-
green bay south of line from cedar river to rock island passage
and north of a line from oconto wi to little sturgeon bay wi-
green bay south of line from oconto wi to little sturgeon bay wi-
316 am cdt mon aug 17 2026

.early this morning...nw wind 5 to 10 kts. waves 2 ft or less.
clear.
.today...nw wind 5 to 10 kts backing s in the late morning and
afternoon. waves 2 ft or less. mostly sunny. 
.tonight...sw wind 5 to 10 kts increasing to 10 to 15 kts after
midnight. waves 2 ft or less. mostly clear in the evening then
becoming mostly cloudy. 
.tuesday...w wind 10 to 15 kts. waves 2 ft or less. a chance of
showers and thunderstorms. 
.tuesday night...n wind 5 to 10 kts. waves 2 ft or less. mostly
cloudy in the evening then clearing.  

$$
fzus53 kgrb 170816
nshgrb
expires:202608171600;;337614

nearshore marine forecast
national weather service green bay wi
316 am cdt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-171600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
316 am cdt mon aug 17 2026

.early this morning...nw wind 5 to 10 kts. waves 2 ft or less.
mostly clear. 
.today...nw wind 5 to 10 kts backing s early in the afternoon.
waves 2 ft or less. mostly sunny. 
.tonight...sw wind 10 to 15 kts veering w after midnight. waves
2 ft or less. partly cloudy in the evening then becoming mostly
cloudy. 
.tuesday...w wind 10 to 15 kts. waves 2 ft or less. a chance of
showers. a chance of thunderstorms in the afternoon. 
.tuesday night...n wind 5 to 10 kts. waves 2 ft or less. mostly
cloudy in the evening then clearing.  

$$
fzus53 kgrr 171018
nshgrr
expires:202608172000;;342292

nearshore marine forecast
national weather service grand rapids mi
618 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-172000-
south haven to holland mi-
618 am edt mon aug 17 2026

.today...north winds 10 to 15 knots backing northwest early in the
afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northwest winds 10 to 15 knots backing southwest after
midnight. mostly clear. waves 1 to 2 feet. 
.tuesday...southwest winds around 15 knots. mostly sunny. waves 1 to
3 feet. 
.tuesday night...west winds around 15 knots veering northwest after
midnight. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.thursday...northeast winds 5 to 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 
.friday...southeast winds 5 to 10 knots veering southwest in the
late morning and afternoon. mostly sunny. waves less than 1 foot. 

$$
fzus53 kgrr 171018
nshgrr
expires:202608172000;;342291

nearshore marine forecast
national weather service grand rapids mi
618 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-172000-
holland to grand haven mi-
618 am edt mon aug 17 2026

.today...north winds 10 to 15 knots backing northwest 15 to 20 knots
early in the afternoon. mostly sunny. waves 1 to 2 feet. 
.tonight...northwest winds 10 to 15 knots backing southwest after
midnight. mostly clear. waves 1 to 2 feet. 
.tuesday...southwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.tuesday night...west winds 15 to 20 knots veering northwest 10 to
15 knots after midnight. partly cloudy with a chance of showers and
thunderstorms. waves 2 to 4 feet. 
.wednesday...north winds 10 to 20 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.thursday...northeast winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. sunny. waves less than 1 foot. 
.friday...southeast winds around 10 knots veering southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 

$$
fzus53 kgrr 171018
nshgrr
expires:202608172000;;342290

nearshore marine forecast
national weather service grand rapids mi
618 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-172000-
grand haven to whitehall mi-
618 am edt mon aug 17 2026

.today...north winds 10 to 20 knots backing northwest early in the
afternoon. sunny. waves 1 to 2 feet. 
.tonight...northwest winds 10 to 15 knots backing southwest in the
late evening and overnight. mostly clear. waves 1 to 3 feet. 
.tuesday...southwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.tuesday night...southwest winds around 20 knots veering west in the
late evening and early morning, then veering north 10 to 15 knots
after midnight. rain showers likely and a chance of thunderstorms.
waves 2 to 4 feet. 
.wednesday...north winds 10 to 20 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.thursday...east winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 
.friday...south winds 10 to 15 knots veering southwest in the late
morning and afternoon. mostly sunny. waves 1 to 2 feet. 

$$
fzus53 kgrr 171018
nshgrr
expires:202608172000;;342289

nearshore marine forecast
national weather service grand rapids mi
618 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-172000-
whitehall to pentwater mi-
618 am edt mon aug 17 2026

.today...north winds 5 to 15 knots backing northwest early in the
afternoon. sunny. waves around 1 foot. 
.tonight...southwest winds 5 to 15 knots. mostly clear. waves 1 to
3 feet. 
.tuesday...southwest winds 15 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.tuesday night...southwest winds 15 to 20 knots veering north 10 to
15 knots after midnight. partly cloudy with a chance of showers and
thunderstorms. waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight. 
.wednesday...north winds 10 to 15 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 2 feet. 
.thursday...east winds around 10 knots backing northwest early in
the afternoon. sunny. waves 1 foot or less. 
.friday...south winds 10 to 20 knots. mostly sunny. waves 1 to
3 feet. 

$$
fzus53 kgrr 171018
nshgrr
expires:202608172000;;342288

nearshore marine forecast
national weather service grand rapids mi
618 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-172000-
pentwater to manistee mi-
618 am edt mon aug 17 2026

.today...north winds 5 to 15 knots backing west early in the
afternoon. sunny. waves 1 to 2 feet. 
.tonight...southwest winds 5 to 15 knots. partly cloudy. waves 1 to
2 feet. 
.tuesday...southwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.tuesday night...southwest winds 10 to 20 knots veering north after
midnight. partly cloudy with a chance of showers and thunderstorms.
waves 2 to 4 feet. 
.wednesday...northeast winds 5 to 15 knots backing northwest in the
late morning and afternoon. sunny. waves around 1 foot. 
.thursday...east winds 5 to 10 knots backing northwest 10 to
15 knots early in the afternoon. sunny. waves 1 foot or less. 
.friday...south winds 15 to 25 knots. mostly sunny. waves 2 to
4 feet. 

$$
fzus53 kgrr 171018
nshgrr
expires:202608172000;;342293

nearshore marine forecast
national weather service grand rapids mi
618 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-172000-
st joseph to south haven mi-
618 am edt mon aug 17 2026

.today...northeast winds 10 to 15 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots backing southwest after
midnight. mostly clear. waves around 1 foot. 
.tuesday...southwest winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.tuesday night...southwest winds around 15 knots veering west after
midnight. mostly cloudy with a chance of showers and thunderstorms.
waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots. mostly sunny. waves 1 to
3 feet. 
.thursday...northeast winds 5 to 10 knots backing north early in the
afternoon. sunny. waves 1 foot or less. 
.friday...south winds 5 to 10 knots veering west early in the
afternoon. mostly sunny. waves less than 1 foot. 

$$
fzus53 kiwx 170743
nshiwx
expires:202608171415;;335996

nearshore marine forecast
national weather service northern indiana
343 am edt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-046-171415-
new buffalo mi to st joseph mi-michigan city in to new buffalo mi-
343 am edt mon aug 17 2026

.today...northeast winds 5 to 10 knots becoming north. mostly
sunny. waves 1 to 3 feet. 
.tonight...north winds 5 to 10 knots becoming southwest. mostly
clear. waves 1 to 2 feet. 
.tuesday...southwest winds 5 to 10 knots. mostly sunny. waves
1 foot or less. 
.tuesday night...southwest winds 5 to 10 knots becoming west.
showers with a chance of thunderstorms. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at michigan city is 62 degrees.

$$
fzus53 klot 170900
nshlot
expires:202608171530;;339000

nearshore marine forecast
national weather service chicago/romeoville il
400 am cdt mon aug 17 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>745-171530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
400 am cdt mon aug 17 2026

.today...north winds 15 to 20 kt becoming northeast 10 to 15 kt in
the afternoon. slight chance of showers. waves 2 to 4 ft.
.tonight...variable winds under 5 kt in the evening becoming 
southwest around 10 kt. mostly clear. waves 1 to 3 ft.
.tuesday...southwest winds 10 to 15 kt. chance of showers and
thunderstorms in the afternoon. waves 1 to 2 ft. 
.tuesday night...southwest winds 10 to 15 kt becoming west
overnight. showers likely and a chance of thunderstorms. waves
1 to 2 ft.  

$$
fzus53 klot 170900
nshlot
expires:202608171530;;338999

nearshore marine forecast
national weather service chicago/romeoville il
400 am cdt mon aug 17 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>742-171530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
400 am cdt mon aug 17 2026

.today...northwest winds 10 to 15 kt becoming northeast 15 to 20 
kt early this morning, then becoming east around 10 kt mid 
afternoon. slight chance of showers. waves 2 to 4 ft subsiding to 
1 to 3 ft.
.tonight...southeast winds 10 to 15 kt becoming southwest 
overnight. mostly clear. waves 1 to 2 ft. 
.tuesday...southwest winds 10 to 15 kt. chance of showers and
thunderstorms in the afternoon. waves 1 to 2 ft. 
.tuesday night...west winds 10 to 15 kt becoming northwest
overnight. showers likely and a chance of thunderstorms. waves 1 
to 2 ft. 

$$
fzus53 kmkx 171010
nshmkx
expires:202608171600;;342042

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-171600-
north point light to wind point wi-
510 am cdt mon aug 17 2026

.today...north wind 5 to 10 knots veering northeast early in the
afternoon, then veering southeast late in the afternoon. mostly
sunny. waves 1 to 2 feet. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then rising to 10 to 15 knots after midnight veering
west early in the morning. partly cloudy. waves around 1 foot. 
.tuesday...west wind 10 to 15 knots backing southwest with gusts
to around 20 knots in the late morning and early afternoon, then
veering west late in the afternoon. chance of showers and
thunderstorms in the afternoon. waves around 1 foot. 
.tuesday night...west wind 10 to 15 knots veering north early in
the morning. chance of thunderstorms through around midnight.
chance of showers through the night. waves around 1 foot. 

$$
fzus53 kmkx 171010
nshmkx
expires:202608171600;;342041

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-171600-
port washington to north point light wi-
510 am cdt mon aug 17 2026

.today...north wind 5 to 10 knots veering east early in the
afternoon, then veering south late in the afternoon. mostly
sunny. waves 1 to 2 feet. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then becoming southwest 5 to 10 knots after midnight
becoming west 10 to 15 knots early in the morning. partly cloudy.
waves around 1 foot. 
.tuesday...west wind 10 to 15 knots backing southwest with gusts
to around 20 knots early in the afternoon, then veering west with
gusts to around 20 knots late in the afternoon. chance of showers
and thunderstorms in the afternoon. waves around 1 foot. 
.tuesday night...west wind 10 to 15 knots becoming northwest 5 to
10 knots after midnight, then becoming north 10 to 15 knots early
in the morning. chance of thunderstorms through around midnight.
chance of showers through the night. waves around 1 foot. 

$$
fzus53 kmkx 171010
nshmkx
expires:202608171600;;342040

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-171600-
sheboygan to port washington wi-
510 am cdt mon aug 17 2026

.today...northwest wind 5 to 10 knots veering southeast early in
the afternoon, then veering south late in the afternoon. mostly
sunny. waves around 1 foot. 
.tonight...south wind 10 to 15 knots becoming southwest 5 to
10 knots late in the evening, then rising to 10 to 15 knots after
midnight veering west early in the morning. partly cloudy. waves
around 1 foot. 
.tuesday...west wind 10 to 15 knots backing southwest with gusts
to around 20 knots in the late morning and early afternoon, then
veering west with gusts to around 20 knots late in the afternoon.
chance of showers and thunderstorms in the afternoon. waves
around 1 foot. 
.tuesday night...west wind 10 to 15 knots veering north early in
the morning. chance of thunderstorms through around midnight.
chance of showers through the night. waves around 1 foot. 

$$
fzus53 kmkx 171010
nshmkx
expires:202608171600;;342043

nearshore marine forecast
national weather service milwaukee/sullivan wi
510 am cdt mon aug 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-171600-
wind point wi to winthrop harbor il-
510 am cdt mon aug 17 2026

.today...north wind 5 to 10 knots veering northeast early in the
afternoon, then veering east late in the afternoon. mostly sunny.
waves 1 to 2 feet. 
.tonight...south wind 5 to 10 knots veering southwest late in the
evening, then becoming southwest 5 to 10 knots after midnight
becoming west 10 to 15 knots early in the morning. partly cloudy.
waves around 1 foot. 
.tuesday...west wind 10 to 15 knots backing southwest in the late
morning and early afternoon, then veering west late in the
afternoon. chance of showers and thunderstorms in the afternoon.
waves around 1 foot. 
.tuesday night...west wind 10 to 15 knots veering northwest after
midnight, then easing to 5 to 10 knots early in the morning.
showers likely and a chance of thunderstorms through the night.
waves around 1 foot. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339033

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lmz221-172000-
green bay north of line from cedar river mi to rock island
passage-
501 am edt mon aug 17 2026

.early this morning...northwest wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...northwest wind less than 10 knots backing southwest by
late morning, then backing south 10 to 15 knots late. mostly
sunny. waves calm to 1 foot. 
.tonight...south wind 10 to 15 knots veering west late. mostly
clear through midnight then becoming mostly cloudy. a slight
chance of showers by midnight. a chance of showers and a slight
chance of thunderstorms late. waves calm to 1 foot. 
.tuesday...west wind 10 to 15 knots veering northwest less than
10 knots in the afternoon. partly cloudy. a slight chance of
showers and thunderstorms in the morning, then showers likely and
a chance of thunderstorms in the afternoon. waves building to
1 to 2 feet. 
.tuesday night...north wind less than 10 knots backing northwest
after midnight. partly cloudy in the evening then clearing. waves
calm to 1 foot. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339035

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz240-241-172000-
saxon harbor wi to black river mi-
black river to ontonagon mi-
501 am edt mon aug 17 2026 /401 am cdt mon aug 17 2026/

.early this morning...southwest wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...west wind 5 to 15 knots backing southwest less than
10 knots late. sunny. a slight chance of showers late. waves calm
to 1 foot. 
.tonight...southwest wind 5 to 15 knots veering west 10 to
15 knots late. partly cloudy then becoming mostly cloudy by
midnight then becoming partly cloudy. a chance of showers and a
slight chance of thunderstorms through midnight, then a slight
chance of showers late. waves building to 1 to 2 feet. 
.tuesday...northwest wind 10 to 15 knots backing west 5 to
15 knots in the afternoon. partly cloudy. waves 1 to 2 feet. 
.tuesday night...west wind less than 10 knots. clear. waves calm
to 1 foot. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339036

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz242-243-172000-
ontonagon to upper entrance of portage canal mi-
upper entrance of portage canal to eagle river mi-
501 am edt mon aug 17 2026

.early this morning...southwest wind less than 10 knots. mostly
clear. waves 1 to 2 feet. 
.today...southwest wind 10 to 15 knots. sunny. waves building to
1 to 2 feet. 
.tonight...southwest wind less than 10 knots veering west 10 to
15 knots late. gusts up to 22 knots. partly cloudy through late
evening then becoming mostly cloudy. a chance of showers and a
slight chance of thunderstorms through midnight, then a slight
chance of showers late. waves building to 2 to 3 feet. 
.tuesday...northwest wind 10 to 15 knots backing west in the
afternoon. gusts up to 24 knots. mostly sunny. waves subsiding to
1 to 2 feet. 
.tuesday night...west wind 10 to 15 knots veering northwest less
than 10 knots after midnight. gusts up to 23 knots. clear. waves
1 to 2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339037

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz244-245-172000-
eagle river to manitou island mi-
manitou island to point isabelle mi-
501 am edt mon aug 17 2026

.early this morning...west wind less than 10 knots. mostly clear.
waves 1 to 2 feet. 
.today...west wind 5 to 15 knots backing southwest late. sunny.
waves building to 1 to 2 feet. 
.tonight...southwest wind 10 to 15 knots veering west late.
partly cloudy then becoming mostly cloudy by midnight then
becoming partly cloudy. a chance of showers through midnight,
then a slight chance of showers late. waves 1 to 2 feet. 
.tuesday...northwest wind 10 to 15 knots backing west in the
afternoon. gusts up to 23 knots. mostly sunny. waves 1 to 2 feet.
.tuesday night...west wind 10 to 15 knots veering northwest less
than 10 knots after midnight. mostly clear. waves 1 to 2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339038

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz246-172000-
point isabelle to lower entrance of portage canal mi-
501 am edt mon aug 17 2026

.early this morning...west wind less than 10 knots. mostly clear.
waves calm to 1 foot. 
.today...west wind less than 10 knots with gusts up to 18 knots.
sunny. waves calm to 1 foot. 
.tonight...southwest wind less than 10 knots veering west 10 to
15 knots late. mostly clear with a chance of showers through late
evening, then mostly cloudy with a slight chance of showers by
midnight. waves calm to 1 foot. 
.tuesday...west wind 10 to 15 knots. mostly sunny. a slight
chance of showers in the morning. waves calm to 1 foot. 
.tuesday night...west wind less than 10 knots. gusts up to
18 knots. mostly clear. waves calm to 1 foot. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339039

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz247-172000-
lower entrance of portage canal to huron islands mi including
keweenaw and huron bays-
501 am edt mon aug 17 2026

.early this morning...southwest wind less than 10 knots. mostly
clear. waves calm to 1 foot. 
.today...southwest wind less than 10 knots veering west by late
morning. sunny. waves calm to 1 foot. 
.tonight...southwest wind 5 to 15 knots veering west 10 to
15 knots late. gusts up to 22 knots. mostly clear then becoming
mostly cloudy by midnight then becoming partly cloudy. a slight
chance of showers. waves building to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots with gusts up to 23 knots.
partly cloudy. a slight chance of showers in the morning. waves
1 to 2 feet. 
.tuesday night...west wind less than 10 knots with gusts up to
18 knots. mostly clear. waves 1 to 2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339040

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz248-172000-
huron islands to marquette mi-
501 am edt mon aug 17 2026

.early this morning...west wind less than 10 knots. clear. waves
calm to 1 foot. 
.today...west wind less than 10 knots veering northwest by late
morning, then veering southeast late. sunny. waves calm to
1 foot. 
.tonight...south wind less than 10 knots veering west 10 to
15 knots late. gusts up to 23 knots. clear through late evening
then becoming mostly cloudy. a slight chance of showers. waves
building to 1 to 2 feet. 
.tuesday...northwest wind 10 to 20 knots. partly cloudy with a
slight chance of showers and thunderstorms. waves building to
2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday night...west wind 5 to 15 knots. clear. waves 1 to
2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339041

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz249-172000-
marquette to munising mi-
501 am edt mon aug 17 2026

.early this morning...west wind less than 10 knots. clear. waves
1 to 2 feet. 
.today...northwest wind less than 10 knots veering east late.
mostly sunny. waves 1 to 2 feet. 
.tonight...south wind less than 10 knots veering southwest late.
clear through late evening, then partly cloudy with a chance of
showers by midnight. mostly cloudy with a chance of showers and a
slight chance of thunderstorms late. waves calm to 1 foot. 
.tuesday...northwest wind 10 to 15 knots becoming 10 to 20 knots
in the afternoon. mostly sunny with a chance of showers and a
slight chance of thunderstorms. waves building to 2 to 3 feet,
then subsiding to 1 to 2 feet. 
.tuesday night...west wind 5 to 15 knots. clear. waves 1 to
2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339042

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz250-172000-
munising to grand marais mi-
501 am edt mon aug 17 2026

.early this morning...west wind less than 10 knots. clear. waves
1 to 2 feet. 
.today...west wind less than 10 knots through early afternoon
becoming variable. mostly sunny. waves 1 to 2 feet. 
.tonight...south wind 5 to 15 knots veering southwest 10 to
15 knots late. clear then becoming partly cloudy by midnight then
becoming mostly cloudy. a chance of showers by midnight. a chance
of showers and a slight chance of thunderstorms late. waves
building to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering northwest 5 to
15 knots in the afternoon. partly cloudy. a chance of showers and
a slight chance of thunderstorms in the morning, then a slight
chance of showers and thunderstorms in the afternoon. waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet. 
.tuesday night...west wind less than 10 knots. mostly clear.
waves 1 to 2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339043

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lsz251-172000-
grand marais to whitefish point mi-
501 am edt mon aug 17 2026

.early this morning...west wind less than 10 knots. clear. waves
2 to 3 feet subsiding to 1 to 2 feet. 
.today...west wind less than 10 knots. mostly sunny. waves 1 to
2 feet. 
.tonight...south wind 5 to 15 knots veering southwest 10 to
15 knots late. mostly clear through midnight then becoming mostly
cloudy. a slight chance of showers by midnight. a chance of
showers late. waves building to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots. partly cloudy. a chance of
showers in the morning, then a chance of showers and a slight
chance of thunderstorms in the afternoon. waves building to 2 to
3 feet. 
.tuesday night...west wind less than 10 knots. mostly clear.
waves subsiding to 1 to 2 feet. 

$$
fzus53 kmqt 170901
nshmqt
expires:202608172000;;339034

nearshore marine forecast
national weather service marquette mi
501 am edt mon aug 17 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.


lmz248-250-172000-
seul choix point to point detour mi-
5nm east of a line from fairport mi to rock island passage-
501 am edt mon aug 17 2026

.early this morning...northwest wind less than 10 knots. clear.
waves calm to 1 foot. 
.today...northwest wind less than 10 knots backing south 10 to
15 knots late. mostly sunny. waves calm to 1 foot. 
.tonight...southwest wind 10 to 15 knots. mostly clear through
midnight then becoming mostly cloudy. a slight chance of showers
by midnight. a chance of showers and a slight chance of
thunderstorms late. waves building to 1 to 2 feet. 
.tuesday...west wind 10 to 15 knots veering northwest less than
10 knots in the afternoon. partly cloudy. a slight chance of
showers and thunderstorms in the morning, then showers likely and
a chance of thunderstorms in the afternoon. waves 1 to 2 feet. 
.tuesday night...north wind less than 10 knots backing northwest
after midnight. partly cloudy with a slight chance of showers in
the evening, then clear after midnight. waves calm to 1 foot. 

$$
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