fzus53 kapx 200456
nshapx
expires:202604201845;;671475

nearshore marine forecast
national weather service gaylord mi
1256 am edt mon apr 20 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.


lmz346-201845-
manistee to point betsie mi-
1256 am edt mon apr 20 2026

...small craft advisory in effect until 5 am edt early this
morning...

.today...southwest wind 5 to 10 knots becoming south 10 to
15 knots in the afternoon. sunny early in the morning then
becoming mostly sunny. waves 2 to 3 feet. 
.tonight...south wind 10 to 20 knots. mostly cloudy. waves 3 to
5 feet. 
.tuesday...southwest wind 10 to 15 knots. sunny. waves 3 to
5 feet. 
.tuesday night...northeast wind 5 to 10 knots. mostly clear.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 200741
nshgrb
expires:202604201000;;680157

nearshore marine forecast
national weather service green bay wi
241 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-201000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
241 am cdt mon apr 20 2026

...small craft advisory in effect from this afternoon through
tuesday afternoon...

.rest of the night...ne wind 5 to 10 kts backing sw after
midnight. waves 2 ft or less. clear.
.monday...s wind 10 to 15 kts increasing to 15 to 25 kts early in
the afternoon. waves 2 ft or less building to 4 to 7 ft in the
afternoon. sunny in the morning then becoming partly cloudy. 
.monday night...s wind to 30 kts decreasing to 10 to 15 kts after
midnight. waves 4 to 7 ft. mostly cloudy. 
.tuesday...s wind 5 to 10 kts backing se early in the afternoon.
waves 3 to 5 ft subsiding to 2 to 4 ft in the afternoon. mostly
sunny.  

$$

fzus53 kiwx 200750
nshiwx
expires:202604201415;;680303

nearshore marine forecast
national weather service northern indiana
350 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz046-201415-
michigan city in to new buffalo mi-
350 am edt mon apr 20 2026

.today...east winds less than 10 knots. sunny. waves 1 to 2 feet.
.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 1 to 2 feet. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. mostly sunny. waves 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots. mostly cloudy in the
evening, then becoming partly cloudy. waves 2 feet or less. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 200750
nshiwx
expires:202604201415;;680304

nearshore marine forecast
national weather service northern indiana
350 am edt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz043-201415-
new buffalo mi to st joseph mi-
350 am edt mon apr 20 2026

.today...east winds less than 10 knots. sunny. waves 1 to 2 feet.
.tonight...east winds 10 knots or less becoming south 10 to
15 knots. mostly clear. waves 2 feet or less. 
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. gusts up to 25 knots. mostly sunny. waves 1 to 3 feet. 
.tuesday night...west winds 5 to 10 knots. mostly cloudy in the
evening, then becoming partly cloudy. waves 1 to 2 feet. 

the water temperature at st. joseph is 50 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 200743
nshlot
expires:202604201515;;680198

nearshore marine forecast
national weather service chicago/romeoville il
243 am cdt mon apr 20 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>742-201515-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
243 am cdt mon apr 20 2026

.today...southeast winds around 5 kt increasing to 10 to 15 kt in
the afternoon. mostly sunny. waves 1 ft or less, building to 1 
to 3 ft.
.tonight...southeast winds 10 to 15 kt becoming south 15 to 20 kt
overnight. mostly cloudy in the evening, then becoming partly
cloudy. waves 2 to 4 ft. 
.tuesday...southwest winds 15 to 25 kt. mostly cloudy in the
morning, then becoming partly cloudy. waves 2 to 4 ft subsiding
to 1 to 2 ft. 
.tuesday night...west winds 10 to 15 kt becoming northwest
overnight. slight chance of showers and thunderstorms in the
evening. waves 1 to 2 ft.  

$$

fzus53 klot 200743
nshlot
expires:202604201515;;680199

nearshore marine forecast
national weather service chicago/romeoville il
243 am cdt mon apr 20 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>745-201515-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
243 am cdt mon apr 20 2026

.today...east winds around 5 kt increasing to 10 to 15 kt in the
afternoon. sunny. waves 1 to 2 ft. 
.tonight...southeast winds 10 to 15 kt becoming south and
increasing to 15 to 25 kt overnight. partly cloudy. waves 1 to
3 ft. 
.tuesday...southwest winds 15 to 25 kt increasing to 20 to 25 kt.
a small craft advisory may be needed. partly cloudy. waves 1 to 3
ft.
.tuesday night...southwest winds 15 to 20 kt diminishing to 10 to
15 kt and becoming west. chance of showers and thunderstorms in 
the evening. waves 1 to 2 ft. 

$$

fzus53 kmkx 200810
nshmkx
expires:202604202100;;681625

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz646-202100-
wind point wi to winthrop harbor il-
310 am cdt mon apr 20 2026

.early this morning...northeast wind 5 to 10 knots veering east
early in the morning. clear. waves 1 to 2 feet. 
.today...east wind 5 to 10 knots veering southeast late in the
morning, then rising to 10 to 15 knots in the afternoon. sunny.
waves 1 to 3 feet. 
.tonight...southeast wind 10 to 15 knots veering south with gusts
to around 20 knots late in the evening, then becoming south 10 to
15 knots with gusts to around 20 knots after midnight rising to
15 to 20 knots early in the morning. mostly cloudy. waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.
.tuesday...southwest wind 15 to 20 knots easing to 10 to 15 knots
with gusts to around 20 knots late in the morning, then becoming
southwest 10 to 15 knots in the afternoon. partly sunny. waves
2 to 4 feet subsiding to 1 to 2 feet in the late morning and
afternoon. 
.tuesday night...southwest wind 5 to 10 knots veering north early
in the morning. partly cloudy. waves around 1 foot. 

$$

fzus53 kmkx 200810
nshmkx
expires:202604202100;;681622

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz643-202100-
sheboygan to port washington wi-
310 am cdt mon apr 20 2026

.early this morning...east wind 5 to 10 knots. clear. waves 1 to
3 feet. 
.today...southeast wind 5 to 10 knots becoming south 10 to
15 knots late in the morning, then rising to 15 to 20 knots in
the afternoon. sunny. waves 1 to 2 feet building to 3 to 4 feet
late in the afternoon. 
.tonight...south wind 15 to 25 knots becoming 15 to 20 knots late
in the evening, then becoming south 15 to 20 knots after
midnight. mostly cloudy. waves 3 to 5 feet building to 4 to
6 feet late in the evening, then subsiding to 3 to 5 feet after
midnight subsiding to 3 to 4 feet early in the morning. a small
craft advisory may be needed. 
.tuesday...south wind 10 to 15 knots with gusts to around
20 knots veering southwest late in the morning, then backing
south early in the afternoon backing southeast late in the
afternoon. mostly sunny. waves 3 to 4 feet subsiding to 1 to
3 feet late in the afternoon. 
.tuesday night...east wind 5 to 10 knots becoming northeast 10 to
15 knots in the late evening and early morning, then becoming
north 5 to 10 knots early in the morning. mostly clear. waves
1 to 2 feet. 

$$

fzus53 kmkx 200810
nshmkx
expires:202604202100;;681623

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz644-202100-
port washington to north point light wi-
310 am cdt mon apr 20 2026

.early this morning...northeast wind 5 to 10 knots veering east
early in the morning. clear. waves 1 to 2 feet. 
.today...southeast wind 5 to 10 knots rising to 10 to 15 knots in
the late morning and early afternoon, then rising to 15 to
20 knots late in the afternoon. sunny. waves 1 to 2 feet building
to 2 to 4 feet late in the afternoon. 
.tonight...south wind 15 to 20 knots easing to 10 to 15 knots
early in the morning. mostly cloudy. waves 3 to 4 feet. 
.tuesday...south wind 10 to 15 knots veering southwest late in
the morning, then becoming southwest 10 to 15 knots early in the
afternoon backing southeast late in the afternoon. partly sunny.
waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning
and afternoon. 
.tuesday night...east wind 5 to 10 knots backing north after
midnight. partly cloudy. waves 1 to 2 feet. 

$$

fzus53 kmkx 200810
nshmkx
expires:202604202100;;681624

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt mon apr 20 2026

for waters within five nautical miles of shore on lake michigan


lmz645-202100-
north point light to wind point wi-
310 am cdt mon apr 20 2026

.early this morning...northeast wind 5 to 10 knots veering east
early in the morning. clear. waves 1 to 3 feet. 
.today...southeast wind 5 to 10 knots rising to 10 to 15 knots
with gusts to around 20 knots in the afternoon. sunny. waves 1 to
3 feet. 
.tonight...south wind 15 to 20 knots. mostly cloudy. waves 2 to
4 feet. 
.tuesday...southwest wind 10 to 20 knots becoming 10 to 15 knots
in the late morning and early afternoon, then backing south late
in the afternoon. partly sunny. waves 2 to 4 feet subsiding to
1 to 2 feet in the afternoon. 
.tuesday night...southwest wind 5 to 10 knots veering northwest
late in the evening, then veering north after midnight becoming
north 5 to 10 knots early in the morning. partly cloudy. waves
around 1 foot. 

$$