fzus53 kapx 190523
nshapx
expires:202604191930;;617255

nearshore marine forecast
national weather service gaylord mi
123 am edt sun apr 19 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.


lmz346-191930-
manistee to point betsie mi-
123 am edt sun apr 19 2026

...small craft advisory in effect through late tonight...

.today...northwest wind 15 to 20 knots. slight chance of snow
showers in the morning. waves 2 to 3 feet. 
.tonight...north wind 10 to 15 knots. partly cloudy. waves 2 to
3 feet. 
.monday...southwest wind 10 to 15 knots. mostly sunny. waves
2 feet or less. 
.monday night...south wind 10 to 20 knots. mostly cloudy. waves
4 to 6 feet. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 190656
nshgrb
expires:202604191000;;622581

nearshore marine forecast
national weather service green bay wi
156 am cdt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-191000-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
156 am cdt sun apr 19 2026

.rest of the night...w wind 10 to 15 kts. waves 2 ft or less.
partly cloudy. 
.sunday...nw wind 10 to 15 kts veering n early in the afternoon.
waves 2 ft or less. a chance of flurries in the morning. a chance
of sprinkles. 
.sunday night...n wind 10 to 15 kts. waves 2 ft or less. mostly
clear. 
.monday...sw wind 5 to 10 kts backing s 10 to 15 kts mid-day,
then increasing to 15 to 25 kts early in the afternoon. waves
2 ft or less building to 3 to 5 ft in the afternoon. mostly sunny
in the morning then becoming partly cloudy. a small craft
advisory may be needed.  

$$

fzus53 kgrr 190623
nshgrr
expires:202604190800;;619381

nearshore marine forecast
national weather service grand rapids mi
223 am edt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz849-190800-
pentwater to manistee mi-
223 am edt sun apr 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of tonight...west winds 15 to 25 knots. mostly clear. waves
3 to 5 feet. 
.sunday...west winds 15 to 20 knots veering north early in the
afternoon. mostly sunny. waves 2 to 4 feet. 
.sunday night...north winds 10 to 20 knots. partly cloudy. waves
2 to 3 feet. 
.monday...northwest winds 5 to 10 knots backing southwest 10 to
20 knots in the late morning and afternoon. mostly sunny. waves 1 to
2 feet. 
.monday night...south winds 15 to 25 knots. partly cloudy. waves
2 to 3 feet building to 4 to 6 feet in the late evening and
overnight. 
.tuesday...south winds 15 to 25 knots. sunny. waves 4 to 6 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. partly sunny. waves 3 to
5 feet. 

$$

fzus53 kgrr 190623
nshgrr
expires:202604190800;;619382

nearshore marine forecast
national weather service grand rapids mi
223 am edt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz848-190800-
whitehall to pentwater mi-
223 am edt sun apr 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of tonight...west winds 20 to 25 knots. mostly clear. waves
3 to 5 feet. 
.sunday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny with a slight chance of snow showers. waves
2 to 4 feet. 
.sunday night...north winds 10 to 20 knots. partly cloudy. waves
2 to 3 feet. 
.monday...north winds 5 to 10 knots backing southwest 10 to 15 knots
in the late morning and afternoon. mostly sunny. waves 1 to 2 feet. 
.monday night...south winds 15 to 25 knots. partly cloudy. waves
1 to 3 feet building to 4 to 6 feet. 
.tuesday...south winds 15 to 25 knots. sunny. waves 5 to 7 feet. 
.wednesday...northeast winds 5 to 10 knots backing northwest early
in the afternoon. sunny. waves around 1 foot. 
.thursday...south winds 15 to 25 knots. partly sunny. waves 2 to
3 feet building to 3 to 5 feet in the late morning and afternoon. 

$$

fzus53 kgrr 190623
nshgrr
expires:202604190800;;619383

nearshore marine forecast
national weather service grand rapids mi
223 am edt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz847-190800-
grand haven to whitehall mi-
223 am edt sun apr 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of tonight...west winds around 25 knots. clear. waves 3 to
5 feet. 
.sunday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny with a slight chance of rain and snow
showers. waves 3 to 5 feet. 
.sunday night...north winds 10 to 20 knots veering northeast after
midnight. mostly clear. waves 1 to 3 feet.
.monday...north winds 5 to 10 knots backing southwest 10 to 15 knots
in the late morning and afternoon. sunny. waves 1 foot or less. 
.monday night...south winds to 30 knots. partly cloudy. waves 1 to
2 feet building to 4 to 6 feet. 
.tuesday...south winds to 30 knots veering southwest 15 to 20 knots
early in the afternoon. sunny. waves 5 to 7 feet. 
.wednesday...northeast winds 5 to 10 knots backing west early in the
afternoon. sunny. waves around 1 foot. 
.thursday...south winds 15 to 20 knots. partly sunny. waves 2 to
4 feet.

$$

fzus53 kgrr 190623
nshgrr
expires:202604190800;;619385

nearshore marine forecast
national weather service grand rapids mi
223 am edt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz845-190800-
south haven to holland mi-
223 am edt sun apr 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

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

$$

fzus53 kgrr 190623
nshgrr
expires:202604190800;;619384

nearshore marine forecast
national weather service grand rapids mi
223 am edt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz846-190800-
holland to grand haven mi-
223 am edt sun apr 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of tonight...west winds around 25 knots. clear. waves 3 to
5 feet. 
.sunday...west winds 20 to 25 knots veering northwest early in the
afternoon. mostly sunny with a slight chance of rain showers. waves
3 to 5 feet. 
.sunday night...north winds 10 to 20 knots becoming after midnight.
mostly clear. waves 2 to 4 feet.
.monday...north winds 5 to 10 knots backing west in the late morning
and afternoon. sunny. waves 1 foot or less. 
.monday night...south winds 10 to 15 knots increasing to 15 to
25 knots in the late evening and overnight. partly cloudy. waves
1 to 3 feet building to 3 to 5 feet after midnight. 
.tuesday...southwest winds 15 to 25 knots. sunny. waves 4 to 6 feet.
.wednesday...northeast winds 5 to 10 knots backing west early in the
afternoon. sunny. waves around 1 foot. 
.thursday...south winds 15 to 20 knots. partly sunny. waves 2 to
3 feet. 

$$

fzus53 kgrr 190623
nshgrr
expires:202604190800;;619386

nearshore marine forecast
national weather service grand rapids mi
223 am edt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz844-190800-
st joseph to south haven mi-
223 am edt sun apr 19 2026

...small craft advisory in effect until 2 pm edt this afternoon...

.rest of tonight...west winds around 20 knots. clear. waves 2 to
4 feet. 
.sunday...west winds around 20 knots veering northwest early in the
afternoon. mostly sunny with a slight chance of rain showers. waves
2 to 4 feet.
.sunday night...north winds 10 to 20 knots. partly cloudy. waves
2 to 3 feet. 
.monday...north winds 5 to 10 knots backing west early in the
afternoon. sunny. waves 1 to 2 feet. 
.monday night...southeast winds 5 to 10 knots veering south 10 to
20 knots in the late evening and overnight. partly cloudy. waves
1 to 3 feet. 
.tuesday...southwest winds 15 to 25 knots. sunny. waves 2 to 4 feet.
.wednesday...northeast winds 5 to 10 knots backing north early in
the afternoon. sunny. waves 1 to 2 feet. 
.thursday...south winds 15 to 20 knots. mostly sunny. waves around
1 foot. 

$$

fzus53 kiwx 190242
nshiwx
expires:202604190815;;611743

nearshore marine forecast
national weather service northern indiana
1042 pm edt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-190815-
new buffalo mi to st joseph mi-
1042 pm edt sat apr 18 2026

...small craft advisory in effect until 4 am edt sunday...

.rest of tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. gusts up to 25 knots. waves 2 to 4 feet. 
.sunday...west winds 10 to 15 knots becoming northwest. scattered
showers in the afternoon. waves 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots becoming northeast.
scattered rain showers in the evening. waves around 2 feet. 
.monday...east winds less than 10 knots becoming north. sunny.
waves 1 to 2 feet. 

the water temperature at st. joseph is 51 degrees and at michigan
city is 48 degrees.

$$

fzus53 kiwx 190242
nshiwx
expires:202604190815;;611742

nearshore marine forecast
national weather service northern indiana
1042 pm edt sat apr 18 2026

for waters within five nautical miles of shore on lake michigan


lmz046-190815-
michigan city in to new buffalo mi-
1042 pm edt sat apr 18 2026

...small craft advisory in effect until 4 am edt sunday...

.rest of tonight...northwest winds 10 to 15 knots becoming west.
gusts up to 25 knots. waves 2 to 4 feet. 
.sunday...southwest winds around 10 knots becoming northwest.
scattered rain showers in the afternoon. waves 1 to 2 feet. 
.sunday night...north winds 5 to 10 knots becoming northeast.
scattered rain showers in the evening. waves around 2 feet. 
.monday...east winds 5 to 10 knots becoming light and variable.
sunny. waves 1 to 2 feet. 

the water temperature at st. joseph is 51 degrees and at michigan
city is 48 degrees.

$$

fzus53 klot 190240
nshlot
expires:202604190915;;611730

nearshore marine forecast
national weather service chicago/romeoville il
940 pm cdt sat apr 18 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>745-190915-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
940 pm cdt sat apr 18 2026

...small craft advisory in effect until 3 am cdt sunday...

.rest of tonight...west winds 20 to 25 kt diminishing to 10 to 
20 kt late. clear. waves 3 to 5 ft subsiding to 2 to 4 ft.
.sunday...southwest winds 10 to 15 kt becoming north 15 to 25 kt.
slight chance of showers in the morning, then chance of showers 
in the afternoon. waves 2 to 4 ft.
.sunday night...north winds 10 to 15 kt becoming northeast
overnight. partly cloudy in the evening then clearing. waves 1 
to 3 ft. 
.monday...east winds around 10 kt. sunny. waves 1 to 2 ft.

$$

fzus53 klot 190240
nshlot
expires:202604190915;;611729

nearshore marine forecast
national weather service chicago/romeoville il
940 pm cdt sat apr 18 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>742-190915-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
940 pm cdt sat apr 18 2026

.rest of tonight...west winds 15 to 25 kt becoming southwest 
10 to 20 kt. clear. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...southwest winds 10 to 15 kt becoming northwest 15 to
25 kt. slight chance of showers in the morning, then chance of 
showers in the afternoon. waves 1 to 3 ft. 
.sunday night...north winds 10 to 15 kt becoming northeast
overnight. partly cloudy in the evening then clearing. waves 1 
to 3 ft. 
.monday...east winds 10 to 15 kt becoming southeast. mostly
sunny. waves 1 to 3 ft.

$$

fzus53 kmkx 190610
nshmkx
expires:202604190900;;618832

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz646-190900-
wind point wi to winthrop harbor il-
110 am cdt sun apr 19 2026

.rest of tonight...west wind 10 to 15 knots. clear. waves around
1 foot. 
.sunday...west wind 10 to 15 knots veering northwest with gusts
to around 20 knots late in the afternoon. chance of sprinkles in
the morning. chance of showers in the afternoon. waves around
1 foot. 
.sunday night...north wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming north 5 to 10 knots after
midnight veering northeast early in the morning. partly cloudy.
waves 1 to 2 feet. 
.monday...northeast 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 2 feet. 

$$

fzus53 kmkx 190610
nshmkx
expires:202604190900;;618831

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz645-190900-
north point light to wind point wi-
110 am cdt sun apr 19 2026

.rest of tonight...west wind 10 to 15 knots. clear. waves around
1 foot. 
.sunday...west wind 10 to 15 knots veering northwest with gusts
to around 20 knots late in the afternoon. chance of sprinkles in
the morning. chance of showers in the afternoon. waves around
1 foot. 
.sunday night...north wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then becoming northeast 10 to 15 knots after
midnight easing to 5 to 10 knots early in the morning. partly
cloudy. waves 1 to 2 feet. 
.monday...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 2 feet. 

$$

fzus53 kmkx 190610
nshmkx
expires:202604190900;;618830

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz644-190900-
port washington to north point light wi-
110 am cdt sun apr 19 2026

.rest of tonight...west wind 10 to 15 knots. clear. waves around
1 foot. 
.sunday...west wind 10 to 15 knots veering northwest with gusts
to around 20 knots late in the afternoon. chance of sprinkles.
waves around 1 foot. 
.sunday night...north wind 10 to 15 knots easing to 5 to 10 knots
late in the evening, then veering northeast after midnight.
partly cloudy. waves 1 to 2 feet. 
.monday...northwest wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 15 knots early in the afternoon
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. 

$$

fzus53 kmkx 190610
nshmkx
expires:202604190900;;618829

nearshore marine forecast
national weather service milwaukee/sullivan wi
110 am cdt sun apr 19 2026

for waters within five nautical miles of shore on lake michigan


lmz643-190900-
sheboygan to port washington wi-
110 am cdt sun apr 19 2026

.rest of tonight...west wind 10 to 15 knots. mostly clear. waves
around 1 foot. 
.sunday...west wind 10 to 15 knots veering north with gusts to
around 20 knots late in the afternoon. chance of showers and
slight chance of snow showers in the morning. chance of sprinkles
in the afternoon. waves 1 to 2 feet. 
.sunday night...north wind 10 to 15 knots veering northeast late
in the evening, then becoming north 5 to 10 knots after midnight.
partly cloudy. waves 1 to 2 feet. 
.monday...west wind 5 to 10 knots backing south late in the
morning, then rising to 10 to 15 knots early in the afternoon
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. 

$$