fzus53 kapx 181837
nshapx
expires:202608190245;;949858

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lsz321-190245-
whitefish bay (u.s. portion)/whitefish point to point iroquois mi-
237 pm edt tue aug 18 2026

.through early evening...northwest wind 10 to 15 knots. mostly
sunny. waves 2 to 3 feet. 
.tonight...west wind 5 to 10 knots. mostly clear. waves 2 feet or
less. 
.wednesday...northwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...light winds. mostly sunny. waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949859

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lsz322-190245-
st. marys river point iroquois to e. potagannissing bay-
237 pm edt tue aug 18 2026

.through early evening...northwest wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. 
.tonight...northwest wind 5 to 10 knots. slight chance of
showers. 
.wednesday...northwest wind 5 to 10 knots. sunny.
.wednesday night...northwest wind 5 to 10 knots. mostly clear. 
.thursday...light winds. mostly sunny. 

winds higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kapx 181837
nshapx
expires:202608190245;;949865

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lhz345-190245-
straits of mackinac within 5 nm of mackinac bridge including
mackinac island-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...west wind 5 to 15 knots becoming 10 to
15 knots early in the evening. scattered thunderstorms and a
chance of showers. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...southwest wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949866

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lhz346-190245-
st ignace to false detour channel-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 8 pm edt this evening...

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. slight chance of
showers. waves 2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...south wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949867

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lhz347-190245-
5nm east of mackinac bridge to presque isle light mi including
bois blanc island-
237 pm edt tue aug 18 2026

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 feet or less. 
.tonight...northwest wind 10 to 15 knots. chance of showers.
waves 2 feet or less. 
.wednesday...northwest wind 10 to 15 knots. sunny. waves 2 feet
or less. 
.wednesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.thursday...south wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949868

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lhz348-190245-
presque isle light to sturgeon pt mi including thunder bay
national marine sanctuary-
237 pm edt tue aug 18 2026

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. chance of showers and
isolated thunderstorms. waves 2 feet or less. 
.wednesday...northwest wind 10 to 15 knots. sunny. waves 2 feet
or less. 
.wednesday night...northwest wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.thursday...south wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949869

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lhz349-190245-
sturgeon pt to alabaster mi-
237 pm edt tue aug 18 2026

.through early evening...west wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. showers likely and
scattered thunderstorms. waves 2 feet or less. 
.wednesday...northeast wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...north wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...southeast wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949862

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lmz323-190245-
grand traverse bay south of a line grand traverse light to
norwood mi-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...west wind 10 to 15 knots. showers likely
and scattered thunderstorms. waves 2 feet or less. 
.tonight...northwest wind 5 to 10 knots. showers likely and
scattered thunderstorms. waves 2 feet or less. 
.wednesday...northwest wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...west wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949860

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lmz341-190245-
seul choix point to 5nm west of mackinac bridge-
237 pm edt tue aug 18 2026

.through early evening...northwest wind 10 to 15 knots. chance of
showers and isolated thunderstorms. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. slight chance of
showers. waves 2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...northeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 
.thursday...southwest wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949861

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lmz342-190245-
norwood mi to 5nm west of mackinac bridge including little
traverse bay-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...northwest wind 10 to 15 knots. scattered
thunderstorms and a chance of showers. waves 2 to 3 feet. 
.tonight...northwest wind 5 to 10 knots. chance of showers and
isolated thunderstorms. waves 2 feet or less. 
.wednesday...west wind 10 to 15 knots. sunny. waves 2 feet or
less. 
.wednesday night...east wind 5 to 10 knots. mostly clear. waves
2 feet or less. 
.thursday...southwest wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949863

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lmz344-345-190245-
sleeping bear point to grand traverse light mi-
point betsie to sleeping bear point mi-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest wind 10 to 15 knots. showers
likely and scattered thunderstorms. waves 2 to 3 feet. 
.tonight...north wind 5 to 10 knots. scattered thunderstorms and
a chance of showers. waves 2 feet or less. 
.wednesday...west wind 5 to 10 knots. sunny. waves 2 feet or
less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...southwest wind 5 to 10 knots. 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 181837
nshapx
expires:202608190245;;949864

nearshore marine forecast
national weather service gaylord mi
237 pm edt tue aug 18 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.


lmz346-190245-
manistee to point betsie mi-
237 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest wind 10 to 15 knots. showers
likely and scattered thunderstorms. waves 2 to 3 feet. 
.tonight...north wind 10 to 15 knots. scattered thunderstorms and
a chance of showers. waves 2 feet or less. 
.wednesday...light winds. sunny. waves 2 feet or less. 
.wednesday night...light winds. mostly clear. waves 2 feet or
less. 
.thursday...southwest wind 5 to 10 knots. 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 kdlh 182001
nshdlh
expires:202608190400;;952840

nearshore marine forecast
national weather service duluth mn
301 pm cdt tue aug 18 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.


lsz148-190400-
oak point to saxon harbor wi-
301 pm cdt tue aug 18 2026

.tonight...southwest wind 5 knots becoming west in the late
evening and overnight. mostly clear. waves 1 foot or less. 
.wednesday...west wind 5 knots becoming north early in the
afternoon, then becoming east late in the afternoon. sunny. waves
1 foot or less. 
.wednesday night...southeast wind 5 knots becoming south in the
late evening and overnight. mostly clear. waves 1 foot or less. 
.thursday...south wind 5 knots becoming east in the afternoon.
slight chance of rain showers through the day. chance of
thunderstorms in the afternoon. waves 1 foot or less. 

$$

fzus53 kdlh 182001
nshdlh
expires:202608190400;;952830

nearshore marine forecast
national weather service duluth mn
301 pm cdt tue aug 18 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.


lsz140-190400-
grand portage to grand marais mn-
301 pm cdt tue aug 18 2026

...small craft advisory in effect until 7 pm cdt this evening...

.tonight...west wind 10 to 15 knots with gusts to around 20 knots
becoming northwest 5 to 10 knots after midnight. mostly clear.
waves 1 to 3 feet. 
.wednesday...northwest wind 5 to 10 knots becoming southwest
10 to 15 knots with gusts to around 20 knots in the late morning
and afternoon. mostly sunny. waves 1 to 2 feet. 
.wednesday night...southwest wind 5 to 10 knots becoming
northwest in the late evening and early morning, then becoming
north early in the morning. partly cloudy in the evening then
becoming mostly cloudy. waves 1 to 2 feet. 
.thursday...north wind 5 knots becoming southeast in the
afternoon. slight chance of rain showers in the afternoon. waves
1 foot or less. 

$$

fzus53 kdlh 182001
nshdlh
expires:202608190400;;952831

nearshore marine forecast
national weather service duluth mn
301 pm cdt tue aug 18 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.


lsz141-190400-
grand marais to taconite harbor mn-
301 pm cdt tue aug 18 2026

.tonight...west wind 5 to 10 knots with gusts to around 20 knots
becoming northwest after midnight. mostly clear. waves 1 foot or
less. 
.wednesday...northwest wind 5 knots becoming southwest in the
late morning and afternoon. mostly sunny. waves 1 foot or less. 
.wednesday night...southwest wind 5 knots becoming north in the
late evening and early morning, then becoming variable 10 knots
or less early in the morning. partly cloudy. waves 1 foot or
less. 
.thursday...variable winds 10 knots or less becoming east 5 knots
in the late morning and afternoon. chance of rain showers in the
afternoon. waves 1 foot or less. 

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952178

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm edt tue aug 18 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.


lhz443-190345-
port sanilac to port huron mi-
336 pm edt tue aug 18 2026

.tonight...southwest winds 10 to 15 knots becoming west 5 to
10 knots early in the morning. mostly cloudy. a chance of
thunderstorms and a slight chance of showers in the evening, then
a chance of showers and thunderstorms after midnight. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots veering to the northeast
early in the afternoon. partly cloudy with a slight chance of
showers early in the morning, then mostly sunny in the late
morning and afternoon. waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots. clear. waves 2 feet
or less. 
.thursday...northeast winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952176

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm edt tue aug 18 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.


lhz441-190345-
port austin to harbor beach mi-
336 pm edt tue aug 18 2026

.tonight...southwest winds 10 to 15 knots becoming west 5 to
10 knots this evening, then becoming northwest 10 to 15 knots
after midnight. light showers and a chance of thunderstorms.
waves 2 feet or less. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. partly cloudy early
in the morning then clearing. a chance of showers early in the
morning. waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots backing to the north
after midnight. clear. waves 2 feet or less. 
.thursday...north winds 5 to 10 knots veering to the east early
in the afternoon. sunny. waves 2 feet or less. 

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952177

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm edt tue aug 18 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.


lhz442-190345-
harbor beach to port sanilac mi-
336 pm edt tue aug 18 2026

.tonight...southwest winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. mostly cloudy. a chance of thunderstorms
and a slight chance of showers in the evening, then a chance of
showers and thunderstorms after midnight. waves 2 feet or less. 
.wednesday...north winds 5 to 10 knots. mostly sunny. a chance of
showers early in the morning. waves 2 feet or less. 
.wednesday night...east winds 5 to 10 knots backing to the
northwest after midnight. clear. waves 2 feet or less. 
.thursday...northeast winds 5 to 10 knots. sunny. waves 2 feet or
less. 

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952174

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm edt tue aug 18 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.


lhz422-190345-
inner saginaw bay sw of point au gres to bay port mi-
336 pm edt tue aug 18 2026

.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots after midnight. light showers and a chance of
thunderstorms in the evening, then partly cloudy with a chance of
showers and thunderstorms after midnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.wednesday...north winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and early afternoon, then veering to
the southeast early in the afternoon. partly cloudy early in the
morning then clearing. a chance of showers early in the morning.
waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots. clear. waves 2 feet
or less. 
.thursday...light and variable winds becoming east 5 to 10 knots
in the late morning and afternoon. sunny. waves 2 feet or less. 

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

$$

fzus53 kdtx 181936
nshdtx
expires:202608190345;;952175

nearshore marine forecast for michigan
national weather service detroit/pontiac mi
336 pm edt tue aug 18 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.


lhz421-190345-
outer saginaw bay sw of alabaster to port austin mi to inner
saginaw bay-
336 pm edt tue aug 18 2026

.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots after midnight. light showers and a chance of
thunderstorms in the evening, then partly cloudy with a chance of
showers and thunderstorms after midnight. waves 1 to 3 feet. 
.wednesday...north winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and early afternoon, then backing to
the south early in the afternoon. partly cloudy early in the
morning then clearing. a chance of showers early in the morning.
waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots. clear. waves 2 feet
or less. 
.thursday...northeast winds 5 to 10 knots veering to the east
early in the afternoon. sunny. waves 2 feet or less. 

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

$$

fzus53 kgrb 181959
nshgrb
expires:202608182200;;952707

nearshore marine forecast
national weather service green bay wi
259 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-182200-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
259 pm cdt tue aug 18 2026

.this afternoon...sw wind 10 to 15 kts. waves 2 ft or less. a
chance of showers and thunderstorms. 
.tonight...n wind 5 to 10 kts backing nw after midnight. waves
2 ft or less. a slight chance of showers and thunderstorms in the
evening. 
.wednesday...nw wind 5 to 10 kts backing s early in the
afternoon. waves 2 ft or less. sunny.
.wednesday night...s wind 5 to 10 kts backing e, then veering s
after midnight. waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181959
nshgrb
expires:202608182200;;952706

nearshore marine forecast
national weather service green bay wi
259 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz521-522-182200-
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-
259 pm cdt tue aug 18 2026

.this afternoon...sw wind 5 to 10 kts. waves 2 ft or less. a
chance of showers and thunderstorms. 
.tonight...ne wind 5 to 10 kts backing nw after midnight. waves
2 ft or less. a slight chance of showers and thunderstorms in the
evening. 
.wednesday...w wind 5 to 10 kts. waves 2 ft or less. sunny.
.wednesday night...ne wind 5 to 10 kts veering s after midnight.
waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181548
nshgrb
expires:202608182200;;941570

nearshore marine forecast
national weather service green bay wi
issued by national weather service milwaukee/sullivan wi
1047 am cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541-182200-
rock island passage to sturgeon bay wi-
1047 am cdt tue aug 18 2026

.this afternoon...waves 2 ft or less. a chance of light rain and
thunderstorms in the afternoon. 
.tonight...waves 2 ft or less. a chance of light rain and
thunderstorms in the evening. 
.wednesday...waves 2 ft or less. sunny.
.wednesday night...waves 2 ft or less. mostly clear.  

$$

fzus53 kgrb 181548
nshgrb
expires:202608182200;;941571

nearshore marine forecast
national weather service green bay wi
issued by national weather service milwaukee/sullivan wi
1047 am cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-182200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1047 am cdt tue aug 18 2026

.this afternoon...waves 2 ft or less. a chance of light rain and
thunderstorms in the afternoon. 
.tonight...waves 2 ft or less. a chance of light rain and
thunderstorms in the evening. 
.wednesday...waves 2 ft or less. mostly sunny. 
.wednesday night...waves 2 ft or less. mostly clear.  

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952181

nearshore marine forecast
national weather service grand rapids mi
336 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
336 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy with a chance of rain showers and a slight chance of
thunderstorms. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 20 knots veering north 5 to
15 knots after midnight. mostly cloudy in the evening then becoming
partly cloudy. a chance of showers and thunderstorms. waves 2 to
4 feet. 
.wednesday...north winds 5 to 15 knots. sunny. waves 1 to 2 feet. 
.wednesday night...northeast winds 5 to 10 knots veering southeast
in the late evening and overnight. mostly clear. waves 1 foot or
less. 
.thursday...south winds 5 to 15 knots veering southwest early in the
afternoon. sunny. waves around 1 foot. 
.thursday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 3 feet. 
.friday...southwest winds 15 to 25 knots. partly sunny with a chance
of rain showers. waves 2 to 4 feet building to 3 to 5 feet in the
late morning and afternoon. 
.saturday...northwest winds 10 to 20 knots. mostly sunny. waves 2 to
4 feet. 
.sunday...north winds 15 to 25 knots. sunny. waves 3 to 5 feet. 

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952182

nearshore marine forecast
national weather service grand rapids mi
336 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
336 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy with a slight chance of showers and thunderstorms. waves 2 to
4 feet. 
.tonight...southwest winds 10 to 20 knots veering northwest after
midnight. mostly cloudy in the evening then becoming partly cloudy.
a chance of showers and thunderstorms. waves 2 to 4 feet. 
.wednesday...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly sunny. waves 1 to 3 feet. 
.wednesday night...north winds 5 to 10 knots veering southeast after
midnight. mostly clear. waves 1 foot or less. 
.thursday...southeast winds 5 to 10 knots veering southwest 10 to
15 knots in the late morning and afternoon. sunny. waves 1 foot or
less. 
.thursday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.friday...southwest winds 10 to 20 knots backing south 20 to
25 knots early in the afternoon. partly sunny with a chance of rain
showers. waves 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday...north winds 15 to 25 knots increasing to 30 knots early in
the afternoon. sunny. waves 4 to 6 feet. 

$$

fzus53 kgrr 181936
nshgrr
expires:202608190800;;952183

nearshore marine forecast
national weather service grand rapids mi
336 pm edt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
336 pm edt tue aug 18 2026

...small craft advisory in effect until 11 pm edt this evening...

.through early evening...southwest winds 15 to 20 knots. mostly
cloudy. waves 2 to 4 feet. 
.tonight...southwest winds 10 to 20 knots veering northwest after
midnight. mostly cloudy in the evening then becoming partly cloudy.
a chance of showers and thunderstorms. waves 2 to 4 feet. 
.wednesday...north winds around 10 knots backing northwest early in
the afternoon. mostly sunny. waves 1 to 3 feet. 
.wednesday night...north winds 5 to 15 knots veering east after
midnight. mostly clear. waves 1 to 2 feet. 
.thursday...east winds 5 to 10 knots veering southwest early in the
afternoon. sunny. waves 1 foot or less. 
.thursday night...south winds 10 to 15 knots. partly cloudy. waves
1 to 2 feet. 
.friday...southwest winds 15 to 20 knots. partly sunny. waves 2 to
4 feet. 
.saturday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday...north winds 15 to 25 knots backing northwest to 30 knots
early in the afternoon. sunny. waves 4 to 6 feet. 

$$

fzus53 kmkx 182010
nshmkx
expires:202608190900;;953806

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-190900-
sheboygan to port washington wi-
310 pm cdt tue aug 18 2026

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

$$

fzus53 kmkx 182010
nshmkx
expires:202608190900;;953807

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 pm cdt tue aug 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-190900-
port washington to north point light wi-
310 pm cdt tue aug 18 2026

.through early evening...southwest wind 10 to 15 knots. mostly
cloudy with a 40 percent chance of showers and thunderstorms.
waves around 1 foot. 
.tonight...southwest wind 10 to 15 knots veering west late in the
evening, then veering northwest after midnight easing to 5 to
10 knots early in the morning. chance of showers and
thunderstorms in the evening, then slight chance of showers and
thunderstorms late in the evening. waves around 1 foot. 
.wednesday...north wind 5 to 10 knots veering east late in the
afternoon. sunny. waves around 1 foot. 
.wednesday night...east wind 5 to 10 knots veering southeast late
in the evening, then veering southwest after midnight becoming
west early in the morning. partly cloudy. waves around 1 foot. 
.thursday...west wind 5 knots becoming southwest late in the
morning, then backing south early in the afternoon rising to
10 to 15 knots late in the afternoon. sunny. waves around 1 foot.

$$