fzus53 kapx 170300
nshapx
expires:202604171100;;497827

nearshore marine forecast
national weather service gaylord mi
1100 pm edt thu apr 16 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.


lmz346-171100-
manistee to point betsie mi-
1100 pm edt thu apr 16 2026

.overnight...light winds. patchy fog early in the evening, then
areas of dense fog after midnight. waves 2 feet or less. 
.friday...south wind 10 to 15 knots. areas of dense fog. waves
2 feet or less. 
.friday night...south wind 10 to 20 knots. rain showers and a
chance of thunderstorms. waves 3 to 5 feet. 
.saturday...west wind 10 to 20 knots. chance of showers. waves
3 to 5 feet. 

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 170556
nshgrb
expires:202604171000;;503851

nearshore marine forecast
national weather service green bay wi
1256 am cdt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-171000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1256 am cdt fri apr 17 2026

...dense fog advisory in effect until 9 am cdt this morning...

.rest of the night...s wind 5 to 10 kts. waves 2 ft or less.
areas of dense fog late in the evening, then widespread dense fog
after midnight. 
.friday...s wind 10 to 15 kts increasing to to 30 kts in the late
morning and afternoon. waves 1 to 3 ft building to 4 to 7 ft in
the afternoon. areas of dense fog in the morning. a slight chance
of showers and thunderstorms in the afternoon. 
.friday night...s wind to 30 kts veering w 15 to 25 kts after
midnight. waves 5 to 8 ft subsiding to 4 to 7 ft after midnight.
rain showers and a chance of thunderstorms in the evening, then a
chance of showers after midnight. 
.saturday...w wind 15 to 25 kts. waves 3 to 5 ft subsiding to
1 to 3 ft in the afternoon. partly cloudy.  

$$

fzus53 kgrr 170558
nshgrr
expires:202604170800;;503891

nearshore marine forecast
national weather service grand rapids mi
158 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz849-170800-
pentwater to manistee mi-
158 am edt fri apr 17 2026

...dense fog advisory in effect until 8 am edt this morning...

.rest of tonight...southwest winds 5 to 10 knots. partly cloudy.
widespread dense fog. waves 1 foot or less. 
.friday...south winds 5 to 15 knots increasing to 15 to 20 knots
early in the afternoon. partly sunny. widespread dense fog. waves
2 to 3 feet. 
.friday night...south winds to 30 knots veering southwest after
midnight. rain showers and a chance of thunderstorms. patchy fog.
waves 4 to 6 feet. 
.saturday...west winds to 30 knots. partly sunny with a slight
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 to 30 knots. mostly sunny. waves 4 to
6 feet. 
.monday...southwest winds 10 to 20 knots. sunny. waves 1 to 3 feet. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 6 to
8 feet. 

$$

fzus53 kgrr 170558
nshgrr
expires:202604170800;;503895

nearshore marine forecast
national weather service grand rapids mi
158 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz845-170800-
south haven to holland mi-
158 am edt fri apr 17 2026

...dense fog advisory in effect until 8 am edt this morning...

.rest of tonight...southwest winds around 5 knots. mostly cloudy.
widespread dense fog. waves 1 foot or less. 
.friday...southeast winds 5 to 15 knots veering south 15 to 20 knots
early in the afternoon. partly sunny. widespread dense fog. waves
around 1 foot. 
.friday night...south winds 20 to 25 knots. rain showers and a
chance of thunderstorms. patchy fog. waves 1 to 2 feet building to
3 to 5 feet in the late evening and overnight. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 5 to
7 feet. 
.sunday...northwest winds to 30 knots. sunny. waves 5 to 7 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 1 to 2 feet. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 5 to
7 feet. 

$$

fzus53 kgrr 170558
nshgrr
expires:202604170800;;503893

nearshore marine forecast
national weather service grand rapids mi
158 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz847-170800-
grand haven to whitehall mi-
158 am edt fri apr 17 2026

...dense fog advisory in effect until 8 am edt this morning...

.rest of tonight...southwest winds around 5 knots. mostly cloudy.
widespread dense fog. waves 1 foot or less. 
.friday...southeast winds 5 to 15 knots increasing to 15 to 20 knots
early in the afternoon. partly sunny. widespread dense fog. waves
1 to 2 feet. 
.friday night...south winds to 30 knots veering southwest after
midnight. rain showers and a chance of thunderstorms. patchy dense
fog. waves 4 to 6 feet. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 5 to
7 feet. 
.sunday...northwest winds to 30 knots decreasing to 15 to 25 knots
early in the afternoon. mostly sunny. waves 5 to 7 feet. 
.monday...east winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 6 to
9 feet. 

$$

fzus53 kgrr 170558
nshgrr
expires:202604170800;;503894

nearshore marine forecast
national weather service grand rapids mi
158 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz846-170800-
holland to grand haven mi-
158 am edt fri apr 17 2026

...dense fog advisory in effect until 8 am edt this morning...

.rest of tonight...southwest winds around 5 knots. mostly cloudy.
widespread dense fog. waves 1 foot or less. 
.friday...southeast winds 5 to 15 knots veering south 15 to 20 knots
early in the afternoon. partly sunny. widespread dense fog. waves
1 to 2 feet. 
.friday night...south winds to 30 knots. rain showers and a chance
of thunderstorms. patchy fog. waves 2 to 3 feet building to 3 to
5 feet in the late evening and overnight. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 5 to
7 feet. 
.sunday...northwest winds to 30 knots. sunny. waves 5 to 7 feet. 
.monday...east winds around 10 knots veering southwest in the late
morning and afternoon. sunny. waves around 1 foot. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 6 to
8 feet. 

$$

fzus53 kgrr 170558
nshgrr
expires:202604170800;;503896

nearshore marine forecast
national weather service grand rapids mi
158 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz844-170800-
st joseph to south haven mi-
158 am edt fri apr 17 2026

...dense fog advisory in effect until 8 am edt this morning...

.rest of tonight...south winds around 5 knots. mostly cloudy.
widespread dense fog. waves 1 foot or less. 
.friday...southeast winds 5 to 15 knots veering south 15 to 20 knots
early in the afternoon. partly sunny. widespread dense fog. waves
1 foot or less. 
.friday night...south winds 20 to 25 knots. rain showers and a
chance of thunderstorms. patchy fog. waves 2 to 4 feet.
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. mostly clear. waves 4 to
6 feet. 
.sunday...northwest winds to 30 knots decreasing to 15 to 25 knots
early in the afternoon. sunny. waves 4 to 6 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 1 to 2 feet. 
.tuesday...southwest winds to 30 knots. mostly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 170558
nshgrr
expires:202604170800;;503892

nearshore marine forecast
national weather service grand rapids mi
158 am edt fri apr 17 2026

for waters within five nautical miles of shore on lake michigan


lmz848-170800-
whitehall to pentwater mi-
158 am edt fri apr 17 2026

...dense fog advisory in effect until 8 am edt this morning...

.rest of tonight...southwest winds around 5 knots. mostly cloudy.
widespread dense fog. waves 1 foot or less. 
.friday...south winds 5 to 15 knots increasing to 15 to 20 knots
early in the afternoon. partly sunny. widespread dense fog. waves
1 to 3 feet. 
.friday night...south winds to 30 knots veering southwest after
midnight. rain showers and a chance of thunderstorms. patchy fog.
waves 4 to 6 feet. 
.saturday...west winds to 30 knots. partly sunny with rain showers.
waves 4 to 6 feet. 
.saturday night...west winds to 30 knots. partly cloudy. waves 4 to
6 feet. 
.sunday...northwest winds to 30 knots decreasing to 15 to 25 knots
early in the afternoon. mostly sunny. waves 4 to 6 feet. 
.monday...east winds 10 to 15 knots veering southwest in the late
morning and afternoon. sunny. waves 1 to 3 feet. 
.tuesday...south winds to 30 knots. mostly sunny. waves 6 to 9 feet.

$$

fzus53 kiwx 170236
nshiwx
expires:202604170815;;497215

nearshore marine forecast
national weather service northern indiana
1036 pm edt thu apr 16 2026

for waters within five nautical miles of shore on lake michigan


lmz046-170815-
michigan city in to new buffalo mi-
1036 pm edt thu apr 16 2026

...dense fog advisory in effect until 8 am edt friday...

.overnight...light and variable winds. areas of dense fog.
waves around 1 foot. 
.friday...southeast winds 10 knots or less becoming south. areas
of dense fog in the morning. waves 1 foot or less. 
.friday night...south winds 10 to 15 knots becoming southwest. a
chance of showers in the evening, then showers with a chance of
thunderstorms overnight. waves 2 feet or less. 
.saturday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. showers in the morning, then a chance of showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 49 degrees and at michigan
city is 45 degrees.

$$

fzus53 kiwx 170236
nshiwx
expires:202604170815;;497216

nearshore marine forecast
national weather service northern indiana
1036 pm edt thu apr 16 2026

for waters within five nautical miles of shore on lake michigan


lmz043-170815-
new buffalo mi to st joseph mi-
1036 pm edt thu apr 16 2026

...dense fog advisory in effect until 8 am edt friday...

.overnight...light and variable winds. areas of dense fog.
waves around 1 foot. 
.friday...southeast winds 10 knots or less becoming south. areas
of dense fog in the morning. waves 1 foot or less. 
.friday night...south winds 10 to 15 knots becoming southwest
15 to 20 knots. gusts up to 25 knots. a chance of showers in the
evening, then showers with a chance of thunderstorms overnight.
waves 1 to 3 feet. 
.saturday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. gusts up to 25 knots. showers in the morning, then a
chance of showers in the afternoon. waves 2 to 4 feet building to
3 to 5 feet. a small craft advisory may be needed.

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 49 degrees and at michigan
city is 45 degrees.

$$

fzus53 klot 170158
nshlot
expires:202604170915;;495680

nearshore marine forecast
national weather service chicago/romeoville il
858 pm cdt thu apr 16 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>742-170915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
858 pm cdt thu apr 16 2026

...dense fog advisory in effect until 7 am cdt friday...

.rest of tonight...northeast winds less than 10 kt becoming 
southeast late. widespread dense fog. waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 15 to 25 kt.
widespread dense fog in the morning. waves 1 to 2 ft building to
2 to 4 ft. 
.friday night...south winds 15 to 20 kt becoming southwest
overnight. showers and thunderstorms. waves 3 to 5 ft subsiding 
to 2 to 4 ft.
.saturday...west winds 15 to 25 kt. slight chance of showers in
the morning. waves 1 to 3 ft.  

$$

fzus53 klot 170158
nshlot
expires:202604170915;;495681

nearshore marine forecast
national weather service chicago/romeoville il
858 pm cdt thu apr 16 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>745-170915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
858 pm cdt thu apr 16 2026

...dense fog advisory in effect until 7 am cdt friday...

.rest of tonight...variable winds at less than 10 becoming
southeast at 10 kt by daybreak. widespread dense fog. waves 
around 1 ft.
.friday...southeast winds 10 to 15 kt becoming south and
increasing to 15 to 25 kt. widespread dense fog in the morning.
waves 1 to 3 ft. 
.friday night...south winds 20 to 25 kt becoming southwest 15 to
20 kt overnight. showers and thunderstorms. waves 2 to 4 ft. 
.saturday...west winds 15 to 25 kt. chance of showers in the
morning. waves 2 to 4 ft.  

$$

fzus53 kmkx 170411
nshmkx
expires:202604171000;;500656

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 pm cdt thu apr 16 2026

for waters within five nautical miles of shore on lake michigan


lmz646-171000-
wind point wi to winthrop harbor il-
1111 pm cdt thu apr 16 2026

...dense fog advisory in effect until 7 pm cdt friday...
...small craft advisory in effect from friday afternoon through
saturday evening...

.rest of tonight...south wind 5 knots rising to 5 to 10 knots
early in the morning. widespread dense fog. waves around 1 foot. 
.friday...southeast wind 5 to 10 knots rising to 15 to 20 knots
with gusts to around 25 knots. widespread dense fog in the
morning, then patchy dense fog in the afternoon. waves around
1 foot building to 3 to 4 feet late in the afternoon. 
.friday night...south wind 15 to 20 knots veering west early in
the morning. gusts up to 25 knots. patchy fog through the night.
showers and thunderstorms through around midnight. chance of
showers and thunderstorms after midnight. waves 3 to 4 feet. 
.saturday...northwest wind 15 to 20 knots backing west in the
afternoon. gusts up to 25 knots. partly sunny in the morning then
clearing. waves 2 to 4 feet subsiding to 1 to 2 feet in the
afternoon. 

$$

fzus53 kmkx 170411
nshmkx
expires:202604171000;;500655

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 pm cdt thu apr 16 2026

for waters within five nautical miles of shore on lake michigan


lmz645-171000-
north point light to wind point wi-
1111 pm cdt thu apr 16 2026

...dense fog advisory in effect until 7 pm cdt friday...
...small craft advisory in effect from friday afternoon through
saturday evening...

.rest of tonight...south wind 5 knots rising to 5 to 10 knots
early in the morning. widespread dense fog. waves around 1 foot. 
.friday...south wind 10 to 15 knots backing southeast late in the
morning, then rising to 15 to 20 knots with gusts to around
25 knots in the afternoon. widespread dense fog in the morning,
then patchy dense fog in the afternoon. waves around 1 foot
building to 3 to 4 feet in the afternoon. 
.friday night...south wind 15 to 20 knots veering west early in
the morning. gusts up to 25 knots. patchy fog through the night.
showers and thunderstorms likely through around midnight. chance
of showers and thunderstorms after midnight. waves 3 to 4 feet. 
.saturday...northwest wind 10 to 20 knots becoming 15 to 20 knots
late in the morning, then backing west in the afternoon. gusts up
to 25 knots. partly sunny in the morning then clearing. waves
2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. 

$$

fzus53 kmkx 170411
nshmkx
expires:202604171000;;500654

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 pm cdt thu apr 16 2026

for waters within five nautical miles of shore on lake michigan


lmz644-171000-
port washington to north point light wi-
1111 pm cdt thu apr 16 2026

...dense fog advisory in effect until 7 pm cdt friday...
...small craft advisory in effect from friday afternoon through
saturday evening...

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

$$

fzus53 kmkx 170411
nshmkx
expires:202604171000;;500653

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 pm cdt thu apr 16 2026

for waters within five nautical miles of shore on lake michigan


lmz643-171000-
sheboygan to port washington wi-
1111 pm cdt thu apr 16 2026

...dense fog advisory in effect until 7 pm cdt friday...
...small craft advisory in effect from friday afternoon through
saturday evening...

.rest of tonight...south wind 5 to 10 knots. widespread dense
fog. waves around 1 foot. 
.friday...south wind 10 to 15 knots with gusts to around 20 knots
rising to 15 to 20 knots with gusts to around 25 knots in the
afternoon. widespread dense fog in the morning, then patchy dense
fog in the afternoon. chance of showers and thunderstorms in the
afternoon. waves around 1 foot building to 3 to 5 feet in the
afternoon. 
.friday night...south wind 15 to 25 knots becoming 15 to 20 knots
late in the evening, then veering southwest after midnight
veering west early in the morning. patchy fog through the night.
showers and thunderstorms likely through around midnight. chance
of showers and thunderstorms after midnight. waves 4 to 6 feet
building to 5 to 7 feet late in the evening, then subsiding to
4 to 6 feet after midnight subsiding to 3 to 5 feet early in the
morning. 
.saturday...northwest wind 10 to 20 knots backing west late in
the afternoon. gusts up to 25 knots. partly sunny in the morning
then clearing. waves 3 to 4 feet subsiding to 1 to 3 feet late in
the afternoon. 

$$