fzus53 kapx 180251
nshapx
expires:202604181100;;555713

nearshore marine forecast
national weather service gaylord mi
1051 pm edt fri apr 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.


lmz346-181100-
manistee to point betsie mi-
1051 pm edt fri apr 17 2026

...small craft advisory in effect through late sunday night...

.overnight...south wind 10 to 20 knots becoming west early in the
morning. rain and a chance of thunderstorms early in the evening,
then rain likely and slight chance of thunderstorms after
midnight. waves 2 to 4 feet. 
.saturday...west wind 10 to 20 knots. slight chance of rain and
snow showers. waves 2 to 4 feet. 
.saturday night...west wind 10 to 20 knots. partly cloudy. waves
3 to 5 feet. 
.sunday...northwest wind 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 180235
nshgrb
expires:202604181000;;555408

nearshore marine forecast
national weather service green bay wi
935 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-181000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
935 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday morning...

.rest of tonight...s wind 15 to 25 kts veering w after midnight.
gusts to 35 kts. waves 4 to 7 ft. patchy dense fog. a chance of
thunderstorms early in the evening. rain showers. 
.saturday...w wind 15 to 25 kts. waves 2 to 4 ft subsiding to
1 to 3 ft in the afternoon. partly cloudy in the morning then
clearing. 
.saturday night...w wind 15 to 25 kts decreasing to 10 to 15 kts
in the late evening and overnight. waves 1 to 3 ft. mostly clear.
a small craft advisory may be needed. 
.sunday...nw wind 10 to 15 kts veering n early in the afternoon.
waves 2 ft or less. partly cloudy.  

$$

fzus53 kgrr 172303
nshgrr
expires:202604180800;;547756

nearshore marine forecast
national weather service grand rapids mi
703 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-180800-
holland to grand haven mi-
703 pm edt fri apr 17 2026

...small craft advisory in effect through sunday morning...

.through early evening...south winds 15 to 20 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...south winds 15 to 25 knots becoming after midnight. rain
showers and a chance of thunderstorms. waves 3 to 5 feet. 
.saturday...west winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 5 to 7 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...west winds 20 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.sunday night...northwest winds 10 to 20 knots veering northeast
around 10 knots after midnight. mostly clear. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.monday...east winds around 10 knots veering southeast in the late
morning and early afternoon, then veering southwest early in the
afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots veering southwest 20 to 25 knots
early in the afternoon. mostly sunny. waves 5 to 7 feet. 
.wednesday...east winds 10 to 15 knots veering southwest early in
the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 172303
nshgrr
expires:202604180800;;547755

nearshore marine forecast
national weather service grand rapids mi
703 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-180800-
grand haven to whitehall mi-
703 pm edt fri apr 17 2026

...small craft advisory in effect through sunday morning...

.through early evening...southeast winds 15 to 20 knots. mostly
sunny. waves 1 to 3 feet. 
.tonight...south winds 15 to 25 knots. rain showers and a chance of
thunderstorms. waves 3 to 5 feet. 
.saturday...west winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 5 to 7 feet. 
.saturday night...west winds 20 to 25 knots. partly cloudy. waves
4 to 6 feet. 
.sunday...west winds 15 to 25 knots. mostly sunny. waves 4 to
6 feet. 
.sunday night...north winds 10 to 20 knots veering northeast around
10 knots after midnight. mostly clear. waves 1 to 3 feet.
.monday...east winds around 10 knots veering south in the late
morning and early afternoon, then veering southwest early in the
afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots veering southwest 20 to 25 knots
early in the afternoon. mostly sunny. waves 5 to 7 feet. 
.wednesday...east winds 10 to 15 knots veering southeast in the late
morning and early afternoon, then veering southwest early in the
afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 172303
nshgrr
expires:202604180800;;547754

nearshore marine forecast
national weather service grand rapids mi
703 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-180800-
whitehall to pentwater mi-
703 pm edt fri apr 17 2026

...small craft advisory in effect through sunday morning...

.through early evening...south winds 15 to 25 knots. mostly sunny.
waves 2 to 3 feet. 
.tonight...south winds 20 to 25 knots. rain showers and a chance of
thunderstorms. waves 4 to 6 feet. 
.saturday...west winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 2 to 3 feet. 
.monday...east winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 8 feet.
.wednesday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. sunny. waves around 1 foot. 

$$

fzus53 kgrr 172303
nshgrr
expires:202604180800;;547753

nearshore marine forecast
national weather service grand rapids mi
703 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-180800-
pentwater to manistee mi-
703 pm edt fri apr 17 2026

...small craft advisory in effect through sunday morning...

.through early evening...south winds 15 to 25 knots. partly sunny.
waves 2 to 3 feet. 
.tonight...south winds 15 to 25 knots. rain showers and a chance of
thunderstorms. waves 3 to 5 feet. 
.saturday...west winds 15 to 25 knots. partly sunny with a chance of
rain showers. waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...west winds 15 to 25 knots veering northwest early in the
afternoon. mostly sunny. waves 3 to 5 feet. 
.sunday night...north winds 10 to 15 knots veering northeast after
midnight. mostly clear. waves 2 to 3 feet. 
.monday...south winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves 1 to 2 feet. 
.tuesday...south winds to 30 knots. mostly sunny. waves 5 to 7 feet.
.wednesday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 172303
nshgrr
expires:202604180800;;547758

nearshore marine forecast
national weather service grand rapids mi
703 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-180800-
st joseph to south haven mi-
703 pm edt fri apr 17 2026

...small craft advisory in effect through sunday morning...

.through early evening...south winds around 15 knots. mostly sunny.
waves 1 to 2 feet. 
.tonight...south winds 15 to 25 knots veering southwest after
midnight. a chance of showers and thunderstorms in the evening, then
rain showers and a chance of thunderstorms after midnight. waves
2 to 4 feet.
.saturday...west winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 4 to 6 feet. 
.saturday night...northwest winds 20 to 25 knots. partly cloudy.
waves 3 to 5 feet. 
.sunday...west winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday night...north winds 10 to 15 knots veering northeast after
midnight. mostly clear. waves 1 to 3 feet. 
.monday...northeast winds 5 to 10 knots backing west early in the
afternoon. sunny. waves 1 to 2 feet. 
.tuesday...south winds 20 to 25 knots veering southwest 15 to
20 knots early in the afternoon. mostly sunny. waves 2 to 4 feet. 
.wednesday...east winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kgrr 172303
nshgrr
expires:202604180800;;547757

nearshore marine forecast
national weather service grand rapids mi
703 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-180800-
south haven to holland mi-
703 pm edt fri apr 17 2026

...small craft advisory in effect through sunday morning...

.through early evening...south winds 15 to 20 knots. mostly sunny.
waves around 1 foot. 
.tonight...south winds 15 to 25 knots veering southwest after
midnight. rain showers and a chance of thunderstorms. waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight. 
.saturday...west winds 20 to 25 knots. partly sunny with a chance of
rain showers. waves 5 to 7 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...west winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.sunday night...northwest winds 10 to 20 knots veering northeast
around 10 knots after midnight. mostly clear. waves 1 to 3 feet.
.monday...northeast winds around 10 knots veering southeast in the
late morning and early afternoon, then veering west early in the
afternoon. sunny. waves around 1 foot. 
.tuesday...south winds 20 to 25 knots veering southwest 15 to
20 knots early in the afternoon. mostly sunny. waves 3 to 5 feet. 
.wednesday...east winds 10 to 15 knots backing north early in the
afternoon. sunny. waves 1 to 2 feet. 

$$

fzus53 kiwx 180336
nshiwx
expires:202604180815;;557646

nearshore marine forecast
national weather service northern indiana
1136 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz043-180815-
new buffalo mi to st joseph mi-
1136 pm edt fri apr 17 2026

...tornado watch 133 in effect until 3 am edt saturday...
...small craft advisory in effect through late saturday night...

.rest of tonight...south winds 15 to 20 knots becoming southwest.
gusts up to 25 knots. showers with a chance of thunderstorms 
after midnight. showers likely with a chance of thunderstorms 
late. some thunderstorms may be severe with damaging winds, large 
hail, and tornadoes late this evening. waves 1 to 3 feet. 
.saturday...west winds 15 to 20 knots diminishing to 10 to
15 knots. gusts up to 25 knots. a chance of showers in the
morning. waves 2 to 4 feet. 
.saturday night...west winds 10 to 15 knots. mostly clear. waves
2 to 4 feet. 
.sunday...west winds 10 to 15 knots becoming northwest. mostly
sunny. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 49 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 180336
nshiwx
expires:202604180815;;557645

nearshore marine forecast
national weather service northern indiana
1136 pm edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz046-180815-
michigan city in to new buffalo mi-
1136 pm edt fri apr 17 2026

...tornado watch 133 in effect until 3 am edt saturday...
...small craft advisory in effect through late saturday night...

.rest of tonight...south winds 15 to 20 knots becoming southwest.
gusts up to 25 knots. showers with thunderstorms likely. showers 
likely with a chance of thunderstorms late. some thunderstorms may
be severe with damaging winds, large hail, and tornadoes late 
this evening. waves 1 to 3 feet. 
.saturday...west winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely in the morning. waves 2 to 4 feet. 
.saturday night...west winds 10 to 15 knots. mostly clear. waves
2 to 4 feet. 
.sunday...west winds around 10 knots becoming northwest. sunny in
the morning, then becoming partly sunny. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 49 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 180137
nshlot
expires:202604180915;;553326

nearshore marine forecast
national weather service chicago/romeoville il
837 pm cdt fri apr 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>745-180915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
837 pm cdt fri apr 17 2026

...small craft advisory in effect through saturday evening...
...tornado watch 131 in effect until 11 pm cdt this evening...

.rest of tonight...south winds 20 to 25 kt becoming southwest
late. showers and thunderstorms this evening, then showers with 
a chance of thunderstorms after midnight. some thunderstorms may 
be severe with damaging winds and waterspouts. waves 2 to 4 ft.
.saturday...northwest winds 20 to 25 kt. chance of showers in the
morning. waves 3 to 5 ft. 
.saturday night...northwest winds 15 to 20 kt becoming west 10 
to 15 kt. partly cloudy in the evening then clearing. waves 2 to 
4 ft. 
.sunday...west winds 10 to 20 kt becoming northwest in the
afternoon. mostly sunny in the morning, then becoming mostly
cloudy. waves 1 to 3 ft.  

$$

fzus53 klot 180137
nshlot
expires:202604180915;;553325

nearshore marine forecast
national weather service chicago/romeoville il
837 pm cdt fri apr 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>742-180915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
837 pm cdt fri apr 17 2026

...small craft advisory in effect through saturday evening...
...tornado watch 131 in effect until 11 pm cdt this evening...

.rest of tonight...south winds 20 to 25 kt becoming west late.
showers and thunderstorms this evening, then showers and a chance
of thunderstorms after midnight. some thunderstorms may be severe
with damaging winds and waterspouts. waves 3 to 5 ft subsiding to
2 to 4 ft.
.saturday...northwest winds 20 to 25 kt becoming west. slight 
chance of showers in the morning. waves 2 to 4 ft. 
.saturday night...west winds 15 to 20 kt diminishing to 10 to
15 kt. partly cloudy in the evening, then becoming mostly clear.
waves 1 to 3 ft. 
.sunday...west winds 10 to 15 kt becoming northwest 15 to 20 kt
in the afternoon. slight chance of showers in the afternoon.
waves 1 to 2 ft.  

$$

fzus53 kmkx 180211
nshmkx
expires:202604181000;;554814

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz646-181000-
wind point wi to winthrop harbor il-
910 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday evening...

.rest of tonight...south wind 10 to 15 knots veering west early
in the morning. gusts up to 25 knots. patchy dense fog through
the night. showers and a chance of thunderstorms just before
midnight. chance of showers and slight chance of thunderstorms
early in the morning. waves 3 to 4 feet. 
.saturday...west wind 15 to 20 knots. gusts up to 25 knots.
mostly cloudy in the morning then clearing. waves 1 to 2 feet. 
.saturday night...west wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots after midnight, then becoming
west 10 to 15 knots early in the morning. partly cloudy through
around midnight then becoming clear. waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots veering northwest late in the
afternoon. slight chance of showers in the afternoon. waves
around 1 foot. 

$$

fzus53 kmkx 180211
nshmkx
expires:202604181000;;554811

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz643-181000-
sheboygan to port washington wi-
910 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday evening...

.rest of tonight...south wind 15 to 20 knots veering west early
in the morning. gusts up to 25 knots. patchy dense fog through
the night. showers just before midnight. chance of thunderstorms
through the night. rain showers likely after midnight. waves 4 to
6 feet subsiding to 3 to 5 feet after midnight, then subsiding to
3 to 4 feet early in the morning. 
.saturday...west wind 15 to 20 knots becoming 10 to 20 knots late
in the morning, then becoming west 10 to 20 knots in the
afternoon. gusts up to 25 knots. mostly cloudy in the morning
then becoming mostly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet early in the afternoon, then building to 2 to 4 feet late
in the afternoon. 
.saturday night...west wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots with gusts to around 20 knots
after midnight, then becoming west 10 to 15 knots early in the
morning. partly cloudy. waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots veering northwest late in the
afternoon. slight chance of showers in the afternoon. waves
around 1 foot. 

$$

fzus53 kmkx 180211
nshmkx
expires:202604181000;;554812

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz644-181000-
port washington to north point light wi-
910 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday evening...

.rest of tonight...south wind 10 to 15 knots veering southwest
after midnight, then becoming west 15 to 20 knots early in the
morning. gusts up to 25 knots. patchy dense fog through the
night. showers just before midnight. chance of thunderstorms
through the night. rain showers likely after midnight. waves 3 to
4 feet. 
.saturday...west wind 15 to 20 knots becoming 10 to 20 knots late
in the morning, then becoming west 10 to 20 knots in the
afternoon. gusts up to 25 knots. mostly cloudy in the morning
then becoming mostly sunny. waves 2 to 4 feet subsiding to 1 to
3 feet in the afternoon. 
.saturday night...west wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots with gusts to around 20 knots
after midnight, then becoming west 10 to 15 knots early in the
morning. partly cloudy through around midnight then clearing.
waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots veering northwest late in the
afternoon. slight chance of showers in the afternoon. waves 1 to
2 feet. 

$$

fzus53 kmkx 180211
nshmkx
expires:202604181000;;554813

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz645-181000-
north point light to wind point wi-
910 pm cdt fri apr 17 2026

...dense fog advisory in effect until 4 am cdt saturday...
...small craft advisory in effect through saturday evening...

.rest of tonight...south wind 10 to 15 knots veering west early
in the morning. gusts up to 25 knots. patchy dense fog through
the night. showers and a chance of thunderstorms just before
midnight. chance of showers early in the morning. waves 3 to
4 feet. 
.saturday...west wind 15 to 20 knots becoming 10 to 20 knots late
in the afternoon. gusts up to 25 knots. mostly cloudy in the
morning then becoming mostly sunny. waves 2 to 4 feet subsiding
to 1 to 2 feet in the afternoon. 
.saturday night...west wind 15 to 20 knots with gusts to around
25 knots easing to 10 to 15 knots with gusts to around 20 knots
after midnight, then becoming west 10 to 15 knots early in the
morning. partly cloudy through around midnight then clearing.
waves 1 to 2 feet. 
.sunday...west wind 10 to 15 knots veering northwest late in the
afternoon. slight chance of showers in the afternoon. waves 1 to
2 feet. 

$$