fzus53 kapx 190218
nshapx
expires:202605191030;;799752

nearshore marine forecast
national weather service gaylord mi
1018 pm edt mon may 18 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.


lmz346-191030-
manistee to point betsie mi-
1018 pm edt mon may 18 2026

...small craft advisory in effect through tuesday evening...

.overnight...south wind 10 to 20 knots. scattered showers early
in the evening. scattered thunderstorms through the night.
numerous showers after midnight. waves 2 to 4 feet building to
3 to 5 feet after midnight. 
.tuesday...southwest wind 10 to 20 knots. scattered showers and
isolated thunderstorms. waves 4 to 6 feet. 
.tuesday night...north wind 10 to 15 knots. mostly cloudy. waves
2 to 4 feet. 
.wednesday...north wind 10 to 15 knots. sunny. waves 2 to 3 feet.

winds and waves higher in the vicinity of thunderstorms.

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 190136
nshgrb
expires:202605190400;;797976

nearshore marine forecast
national weather service green bay wi
836 pm cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-190400-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
836 pm cdt mon may 18 2026

...dense fog advisory in effect until noon cdt tuesday...
...small craft advisory in effect from 1 am cdt tuesday through
tuesday evening...

.tonight...s wind 15 to 25 kts. waves 2 to 4 ft building to 3 to
5 ft after midnight. patchy fog. a chance of showers and a slight
chance of thunderstorms. 
.tuesday...sw wind 15 to 25 kts veering w early in the afternoon.
waves 4 to 7 ft. patchy fog in the morning. a chance of showers
in the morning. 
.tuesday night...nw wind 10 to 15 kts. waves 1 to 3 ft. partly
cloudy. 
.wednesday...n wind 10 to 15 kts veering ne in the late morning
and afternoon. waves 2 ft or less. mostly sunny.  

$$

fzus53 kgrr 190203
nshgrr
expires:202605190900;;798836

nearshore marine forecast
national weather service grand rapids mi
1003 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz849-190900-
pentwater to manistee mi-
1003 pm edt mon may 18 2026

...small craft advisory in effect through tuesday evening...

.rest of tonight...south winds to 30 knots. a slight chance of
showers and thunderstorms late in the evening, then rain showers
likely and a chance of thunderstorms after midnight. patchy fog
through the night. waves 4 to 6 feet. 
.tuesday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. patchy fog. waves 5 to 7 feet. 
.tuesday night...west winds 10 to 20 knots veering north in the late
evening and overnight. partly cloudy with a chance of rain showers.
waves 3 to 5 feet. 
.wednesday...north winds 15 to 25 knots. sunny. waves 2 to 3 feet. 
.wednesday night...northeast winds 10 to 20 knots decreasing to 5 to
10 knots after midnight. partly cloudy. waves 2 to 3 feet. 
.thursday...northeast winds 5 to 10 knots backing north 10 to
15 knots early in the afternoon. mostly sunny. waves around 1 foot. 
.friday...east winds 10 to 20 knots. mostly cloudy. waves around
1 foot. 
.saturday...northeast winds 10 to 15 knots. mostly cloudy with a
chance of rain showers. waves around 1 foot. 

$$

fzus53 kgrr 190203
nshgrr
expires:202605190900;;798837

nearshore marine forecast
national weather service grand rapids mi
1003 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz848-190900-
whitehall to pentwater mi-
1003 pm edt mon may 18 2026

...small craft advisory in effect through tuesday evening...

.rest of tonight...south winds to 30 knots. mostly cloudy with a
chance of showers and thunderstorms. patchy fog after midnight.
waves 4 to 6 feet. 
.tuesday...south winds to 30 knots. rain showers likely and a chance
of thunderstorms. patchy fog. waves 5 to 7 feet. 
.tuesday night...west winds 20 to 25 knots veering north 15 to
20 knots in the late evening and overnight. partly cloudy with a
chance of rain showers. waves 3 to 5 feet. 
.wednesday...north winds 15 to 25 knots. sunny. waves 2 to 4 feet.
.wednesday night...north winds 15 to 25 knots veering northeast
10 to 15 knots in the late evening and overnight. partly cloudy.
waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.thursday...northeast winds 10 to 15 knots backing north early in
the afternoon. mostly sunny. waves around 1 foot. 
.friday...east winds 15 to 20 knots. mostly cloudy. waves around
1 foot. 
.saturday...northeast winds 15 to 20 knots. mostly cloudy. waves
around 1 foot. 

$$

fzus53 kgrr 190203
nshgrr
expires:202605190900;;798838

nearshore marine forecast
national weather service grand rapids mi
1003 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz847-190900-
grand haven to whitehall mi-
1003 pm edt mon may 18 2026

...small craft advisory in effect through tuesday evening...

.rest of tonight...south winds to 30 knots. cloudy with a chance of
showers and thunderstorms. patchy fog after midnight. waves 4 to
6 feet. 
.tuesday...southwest winds to 30 knots. rain showers likely and a
chance of thunderstorms. patchy fog. waves 5 to 7 feet. 
.tuesday night...northwest winds 15 to 25 knots veering north after
midnight. rain showers likely. waves 3 to 5 feet. 
.wednesday...north winds 15 to 25 knots. sunny. waves 2 to 4 feet. 
.wednesday night...north winds 15 to 25 knots veering northeast
10 to 15 knots after midnight. partly cloudy. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.thursday...east winds 10 to 15 knots backing north early in the
afternoon. mostly sunny. waves 1 foot or less. 
.friday...east winds 15 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.saturday...east winds 15 to 20 knots backing northeast 10 to
15 knots early in the afternoon. mostly cloudy with a chance of rain
showers. waves around 1 foot. 

$$

fzus53 kgrr 190203
nshgrr
expires:202605190900;;798841

nearshore marine forecast
national weather service grand rapids mi
1003 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz844-190900-
st joseph to south haven mi-
1003 pm edt mon may 18 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday evening...

.rest of tonight...south winds 15 to 25 knots. partly cloudy late in
the evening, then mostly cloudy with a chance of showers and
thunderstorms after midnight. waves 1 to 3 feet building to 2 to
4 feet after midnight. 
.tuesday...southwest winds 20 to 25 knots. partly sunny with a
chance of showers and thunderstorms. waves 3 to 5 feet. 
.tuesday night...northwest winds around 15 knots veering north after
midnight. rain showers likely and a chance of thunderstorms. waves
2 to 4 feet.
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.wednesday night...north winds 15 to 25 knots veering northeast
10 to 15 knots in the late evening and overnight. partly cloudy.
waves 3 to 5 feet. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves 1 to
2 feet. 
.friday...east winds 15 to 20 knots. mostly cloudy with a chance of
rain showers. waves around 1 foot. 
.saturday...east winds 10 to 15 knots backing northwest early in the
afternoon. mostly cloudy. waves 1 foot or less. 

$$

fzus53 kgrr 190203
nshgrr
expires:202605190900;;798839

nearshore marine forecast
national weather service grand rapids mi
1003 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz846-190900-
holland to grand haven mi-
1003 pm edt mon may 18 2026

...small craft advisory in effect through tuesday evening...

.rest of tonight...south winds to 30 knots. mostly cloudy with a
chance of showers and thunderstorms. patchy fog after midnight.
waves 3 to 5 feet. 
.tuesday...southwest winds to 30 knots. rain showers likely and a
chance of thunderstorms. patchy fog. waves 4 to 6 feet. 
.tuesday night...northwest winds 15 to 20 knots veering north after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 2 to 4 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.wednesday night...north winds 15 to 25 knots veering northeast
around 15 knots after midnight. partly cloudy. waves 3 to 5 feet
subsiding to 1 to 2 feet after midnight. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 
.friday...east winds 15 to 20 knots. mostly cloudy. waves 1 to
2 feet. 
.saturday...east winds 15 to 20 knots backing north 10 to 15 knots
early in the afternoon. mostly cloudy with a chance of rain showers.
waves 1 to 2 feet. 

$$

fzus53 kgrr 190203
nshgrr
expires:202605190900;;798840

nearshore marine forecast
national weather service grand rapids mi
1003 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz845-190900-
south haven to holland mi-
1003 pm edt mon may 18 2026

...small craft advisory in effect from 2 am edt tuesday through
tuesday evening...

.rest of tonight...south winds 15 to 25 knots. partly cloudy late in
the evening then becoming mostly cloudy. a chance of showers and
thunderstorms. waves 3 to 5 feet. 
.tuesday...southwest winds to 30 knots. partly sunny with a chance
of showers and thunderstorms. waves 4 to 6 feet. 
.tuesday night...northwest winds 15 to 20 knots veering north after
midnight. rain showers likely and a slight chance of thunderstorms.
waves 2 to 4 feet. 
.wednesday...north winds 15 to 25 knots. mostly sunny. waves 3 to
5 feet. 
.wednesday night...north winds 15 to 25 knots veering northeast
around 15 knots after midnight. partly cloudy. waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. 
.thursday...northeast winds 10 to 15 knots. mostly sunny. waves
around 1 foot. 
.friday...east winds 15 to 20 knots. mostly cloudy. waves around
1 foot. 
.saturday...northeast winds 10 to 15 knots backing northwest early
in the afternoon. mostly cloudy with a chance of rain showers. waves
around 1 foot. 

$$

fzus53 kiwx 190201
nshiwx
expires:202605190830;;798736

nearshore marine forecast
national weather service northern indiana
1001 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-190830-
new buffalo mi to st joseph mi-
1001 pm edt mon may 18 2026

...small craft advisory in effect from 5 am edt tuesday through
tuesday afternoon...

.overnight...south winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots late. mostly cloudy. waves 1 to 3 
feet.
.tuesday...south winds 15 to 20 knots becoming southwest. gusts
up to 30 knots. a slight chance of showers and thunderstorms in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. waves 2 to 4 feet. 
.tuesday night...west winds 10 to 15 knots becoming north.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 2 to 3 feet. 
.wednesday...north winds 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 55 degrees and at michigan
city is 53 degrees.

$$

fzus53 kiwx 190201
nshiwx
expires:202605190830;;798735

nearshore marine forecast
national weather service northern indiana
1001 pm edt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz046-190830-
michigan city in to new buffalo mi-
1001 pm edt mon may 18 2026

...small craft advisory in effect from 5 am edt tuesday through
tuesday afternoon...

.overnight...south winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 25 knots late. mostly cloudy. waves 1 to 3 
feet.
.tuesday...south winds 15 to 20 knots becoming southwest. gusts
up to 25 knots. a slight chance of showers and thunderstorms in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. waves 1 to 3 feet. 
.tuesday night...west winds 10 to 15 knots becoming north.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. waves 2 to 3 feet. 
.wednesday...north winds 10 to 15 knots. mostly sunny. waves 2 to
4 feet. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 55 degrees and at michigan
city is 53 degrees.

$$

fzus53 klot 190251
nshlot
expires:202605190930;;800379

nearshore marine forecast
national weather service chicago/romeoville il
951 pm cdt mon may 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>742-190930-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
951 pm cdt mon may 18 2026

...small craft advisory in effect from 6 am cdt tuesday through
tuesday afternoon...

.rest of tonight...south winds 15 to 25 kt. chance of showers and
slight chance of thunderstorms after midnight. waves 2 to 4 ft. 
.tuesday...southwest winds 20 to 25 kt becoming west 15 to 25 kt 
in the late afternoon. chance of showers and slight chance of 
thunderstorms. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday night...northwest winds 15 to 20 kt becoming north
overnight. waves 1 to 3 ft building to 2 to 4 ft. 
.wednesday...north winds 15 to 20 kt becoming northeast. partly
cloudy. waves 2 to 4 ft building to 3 to 5 ft.  

$$

fzus53 klot 190251
nshlot
expires:202605190930;;800380

nearshore marine forecast
national weather service chicago/romeoville il
951 pm cdt mon may 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>745-190930-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
951 pm cdt mon may 18 2026

...small craft advisory in effect from 6 am cdt tuesday through
tuesday afternoon...

.rest of tonight...south winds 15 to 25 kt. chance of showers and
slight chance of thunderstorms after midnight. waves 1 to 3 ft 
building to 2 to 4 ft. 
.tuesday...southwest winds 20 to 25 kt becoming west 15 to 25 kt
in the late afternoon. slight chance of showers and thunderstorms
in the morning, then chance of showers and thunderstorms in the 
afternoon. waves 2 to 4 ft. 
.tuesday night...northwest winds 15 to 20 kt becoming north
overnight. showers likely and a chance of thunderstorms in the 
evening. waves 2 to 4 ft. 
.wednesday...north winds 15 to 20 kt. mostly cloudy in the
morning, then becoming partly cloudy. waves 3 to 5 ft.  

$$

fzus53 kmkx 190210
nshmkx
expires:202605191000;;799524

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz646-191000-
wind point wi to winthrop harbor il-
910 pm cdt mon may 18 2026

...small craft advisory in effect from 4 am cdt tuesday through
tuesday afternoon...

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

$$

fzus53 kmkx 190210
nshmkx
expires:202605191000;;799523

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz645-191000-
north point light to wind point wi-
910 pm cdt mon may 18 2026

...small craft advisory in effect from 4 am cdt tuesday through
tuesday afternoon...

.rest of tonight...south wind 10 to 15 knots rising to 15 to
20 knots early in the morning. slight chance of showers just
before midnight, then showers likely and a chance of
thunderstorms after midnight. patchy fog early in the morning.
waves 1 to 2 feet building to 2 to 4 feet after midnight. 
.tuesday...southwest wind 15 to 20 knots veering west early in
the afternoon, then easing to 10 to 15 knots late in the
afternoon. gusts up to 25 knots. slight chance of showers in the
morning. slight chance of thunderstorms through the day. chance
of showers in the afternoon. waves 2 to 4 feet subsiding to 1 to
2 feet late in the afternoon. 
.tuesday night...northwest wind 10 to 15 knots with gusts to
around 20 knots veering north early in the morning. partly
cloudy. waves 1 to 2 feet. 
.wednesday...north wind 10 to 15 knots veering northeast late in
the afternoon. mostly sunny. waves 2 to 4 feet. 

$$

fzus53 kmkx 190210
nshmkx
expires:202605191000;;799522

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-191000-
port washington to north point light wi-
910 pm cdt mon may 18 2026

...small craft advisory in effect from 4 am cdt tuesday through
tuesday afternoon...

.rest of tonight...south wind 10 to 15 knots. gusts up to
20 knots. slight chance of showers just before midnight, then
showers likely and a chance of thunderstorms after midnight.
patchy fog early in the morning. waves 1 to 3 feet building to
2 to 4 feet after midnight. 
.tuesday...southwest wind 10 to 15 knots rising to 15 to 20 knots
late in the morning, then veering west early in the afternoon
becoming west 15 to 20 knots late in the afternoon. gusts up to
25 knots. chance of showers and slight chance of thunderstorms
through the day. waves 2 to 4 feet subsiding to 1 to 2 feet in
the afternoon. 
.tuesday night...northwest wind 15 to 20 knots easing to 10 to
15 knots late in the evening, then becoming northwest 10 to
15 knots with gusts to around 20 knots after midnight veering
north early in the morning. partly cloudy. waves 1 to 2 feet. 
.wednesday...north wind 10 to 15 knots veering northeast late in
the afternoon. mostly sunny. waves 1 to 2 feet building to 2 to
4 feet in the afternoon. 

$$

fzus53 kmkx 190210
nshmkx
expires:202605191000;;799521

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cdt mon may 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-191000-
sheboygan to port washington wi-
910 pm cdt mon may 18 2026

...small craft advisory in effect from 4 am cdt tuesday through
tuesday afternoon...

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

$$