fzus53 kapx 310717
nshapx
expires:202608311530;;652468

nearshore marine forecast
national weather service gaylord mi
317 am edt mon aug 31 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.


lmz346-311530-
manistee to point betsie mi-
317 am edt mon aug 31 2026

...small craft advisory in effect from 11 am edt this morning
through this evening...

.today...south wind 10 to 15 knots with gusts up to 25 knots. 
patchy fog early in the morning. chance of thunderstorms early in 
the morning. waves 2 feet or less building to 2 to 4 feet. 
.tonight...southwest wind 5 to 10 knots. patchy fog. slight
chance of showers. waves 2 to 4 feet. 
.tuesday...southwest wind 5 to 10 knots. patchy fog. waves
2 feet or less. 
.tuesday night...southwest wind 5 to 10 knots. chance of showers.
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 kgrb 310856
nshgrb
expires:202608311600;;655731

nearshore marine forecast
national weather service green bay wi
356 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-311600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
356 am cdt mon aug 31 2026

.early this morning...s wind 5 to 10 kts. waves 1 to 3 ft. patchy
fog. a chance of showers and thunderstorms. 
.today...s wind 10 to 15 kts. waves 3 to 5 ft. patchy fog in the
morning. a chance of showers and a slight chance of thunderstorms
in the morning. 
.tonight...s wind 5 to 10 kts veering nw after midnight. waves
3 to 5 ft. a chance of showers and thunderstorms in the evening.
patchy fog after midnight. a small craft advisory may be needed. 
.tuesday...sw wind around 5 kts backing s 10 to 15 kts in the
late morning and afternoon. waves 2 ft or less. partly sunny. 
.tuesday night...sw wind 5 to 10 kts veering w in the late
evening and overnight. waves 2 ft or less. a chance of showers
after midnight.  

$$

fzus53 kiwx 310750
nshiwx
expires:202608311415;;653253

nearshore marine forecast
national weather service northern indiana
350 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz046-311415-
michigan city in to new buffalo mi-
350 am edt mon aug 31 2026

.today...south winds around 10 knots becoming southwest 10 to 20
knots. a chance of showers with a slight chance of thunderstorms 
this morning, then a slight chance of showers and thunderstorms 
this afternoon. waves 1 foot or less. 
.tonight...southwest winds around 10 knots. a slight chance of
showers in the evening. waves 1 foot or less. 
.tuesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms. waves 1 foot or less. 
.tuesday night...southwest winds 5 to 10 knots. a slight chance
of showers and thunderstorms in the evening. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 73 degrees and at michigan
city is 63 degrees.

$$

fzus53 kiwx 310750
nshiwx
expires:202608311415;;653254

nearshore marine forecast
national weather service northern indiana
350 am edt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz043-311415-
new buffalo mi to st joseph mi-
350 am edt mon aug 31 2026

.today...south winds 10 to 15 knots becoming southwest 10 to 20
knots. a chance of showers with a slight chance of thunderstorms 
this morning, then a slight chance of showers and thunderstorms 
this afternoon. waves 1 to 2 feet.
.tonight...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms in the evening. waves 1 to 2 feet. 
.tuesday...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots. a slight chance
of showers and thunderstorms in the evening. waves 1 foot or
less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 73 degrees and at michigan
city is 63 degrees.

$$

fzus53 klot 310805
nshlot
expires:202608311530;;653928

nearshore marine forecast
national weather service chicago/romeoville il
305 am cdt mon aug 31 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>742-311530-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
305 am cdt mon aug 31 2026

.today...southwest winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 3 ft. 
.tonight...southwest winds 10 to 15 kt. slight chance of showers
and thunderstorms in the evening. waves 1 to 2 ft. 
.tuesday...southwest winds around 10 kt. slight chance of showers
and thunderstorms in the morning. waves around 1 ft. 
.tuesday night...southwest winds around 10 kt. slight chance of
showers and thunderstorms in the evening. waves around 1 ft. 

$$

fzus53 klot 310805
nshlot
expires:202608311530;;653929

nearshore marine forecast
national weather service chicago/romeoville il
305 am cdt mon aug 31 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>745-311530-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
305 am cdt mon aug 31 2026

.today...south winds 10 to 20 kt becoming southwest. chance of
showers and thunderstorms in the morning. waves 1 to 2 ft. 
.tonight...southwest winds 10 to 15 kt. slight chance of showers
and thunderstorms in the evening. waves 1 to 2 ft. 
.tuesday...southwest winds around 10 kt. slight chance of showers
and thunderstorms in the morning. waves 1 to 2 ft. 
.tuesday night...southwest winds around 10 kt. decreasing
cloudiness. waves around 1 ft. 

$$

fzus53 kmkx 310810
nshmkx
expires:202608312100;;654641

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz644-312100-
port washington to north point light wi-
310 am cdt mon aug 31 2026

.early this morning...south wind 5 to 10 knots rising to 10 to
15 knots early in the morning. mostly cloudy with a 40 percent
chance of showers and thunderstorms. waves 1 to 2 feet. 
.today...south wind 10 to 15 knots rising to 15 to 20 knots late
in the morning, then veering southwest early in the afternoon
easing to 10 to 15 knots late in the afternoon. chance of showers
and thunderstorms in the morning, then slight chance of showers
and thunderstorms late in the morning. slight chance of showers
and thunderstorms late in the afternoon. waves 1 to 2 feet
building to 2 to 4 feet in the late morning and early afternoon,
then subsiding to 1 to 2 feet late in the afternoon. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then veering west after midnight. partly
cloudy. waves around 1 foot. 
.tuesday...west wind 5 to 10 knots backing southwest in the
afternoon. slight chance of showers and thunderstorms in the
morning. waves around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots veering west early
in the morning. chance of showers and slight chance of
thunderstorms after midnight. waves around 1 foot. 

$$

fzus53 kmkx 310810
nshmkx
expires:202608312100;;654642

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz645-312100-
north point light to wind point wi-
310 am cdt mon aug 31 2026

.early this morning...south wind 10 to 15 knots. mostly cloudy
with a 30 percent chance of showers and thunderstorms. waves 1 to
2 feet. 
.today...south wind 10 to 15 knots becoming southwest 15 to
20 knots in the late morning and early afternoon, then easing to
10 to 15 knots with gusts to around 20 knots late in the
afternoon. chance of thunderstorms in the morning. chance of
showers through the day. slight chance of thunderstorms in the
afternoon. waves 1 to 2 feet building to 2 to 4 feet early in the
afternoon, then subsiding to 1 to 2 feet late in the afternoon. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
in the late evening and overnight. slight chance of showers
through around midnight. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots veering west late in the
morning, then backing southwest early in the afternoon rising to
10 to 15 knots late in the afternoon. slight chance of showers
and thunderstorms in the morning. waves around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots. slight chance of
showers after midnight. waves around 1 foot. 

$$

fzus53 kmkx 310810
nshmkx
expires:202608312100;;654643

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz646-312100-
wind point wi to winthrop harbor il-
310 am cdt mon aug 31 2026

.early this morning...south wind 10 to 15 knots. mostly cloudy
with a 20 percent chance of showers and thunderstorms. waves 1 to
2 feet. 
.today...south wind 10 to 15 knots veering southwest with gusts
to around 20 knots late in the morning, then rising to 15 to
20 knots early in the afternoon easing to 10 to 15 knots with
gusts to around 20 knots late in the afternoon. chance of
thunderstorms in the morning. chance of showers through the day.
slight chance of thunderstorms in the afternoon. waves 1 to
2 feet. 
.tonight...southwest wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming southwest 5 to 10 knots after
midnight. partly cloudy. waves around 1 foot. 
.tuesday...southwest wind 5 to 10 knots backing south late in the
afternoon. slight chance of showers and thunderstorms. waves
around 1 foot. 
.tuesday night...southwest wind 5 to 10 knots. slight chance of
showers and thunderstorms through the night. waves around 1 foot.

$$

fzus53 kmkx 310810
nshmkx
expires:202608312100;;654640

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon aug 31 2026

for waters within five nautical miles of shore on lake michigan


lmz643-312100-
sheboygan to port washington wi-
310 am cdt mon aug 31 2026

.early this morning...south wind 10 to 15 knots. mostly cloudy
with a 40 percent chance of showers and thunderstorms. waves 1 to
3 feet. 
.today...south wind 10 to 20 knots becoming 15 to 20 knots late
in the morning, then becoming south 15 to 20 knots early in the
afternoon veering southwest late in the afternoon. gusts up to
25 knots. chance of showers and thunderstorms in the morning,
then slight chance of showers and thunderstorms late in the
morning. slight chance of showers late in the afternoon. waves
3 to 4 feet. 
.tonight...southwest wind 10 to 15 knots becoming west 5 to
10 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 2 feet in the late evening and overnight. 
.tuesday...northwest wind 5 to 10 knots backing southwest late in
the morning, then backing south early in the afternoon becoming
southwest 10 to 15 knots late in the afternoon. slight chance of
showers and thunderstorms in the morning. waves around 1 foot. 
.tuesday night...southwest wind 10 to 15 knots easing to 5 to
10 knots late in the evening, then veering west after midnight
veering northwest early in the morning. slight chance of showers
through around midnight. slight chance of thunderstorms through
the night. chance of showers after midnight. waves around 1 foot.

$$