fzus53 kapx 180721
nshapx
expires:202609181530;;643704

nearshore marine forecast
national weather service gaylord mi
321 am edt fri sep 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.


lmz346-181530-
manistee to point betsie mi-
321 am edt fri sep 18 2026

.today...northeast wind 5 to 10 knots. patchy fog early in the
morning. waves 2 feet or less. 
.tonight...east wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.saturday...east wind 5 to 10 knots. chance of showers. waves
2 feet or less. 
.saturday night...northeast wind 5 to 10 knots. mostly cloudy.
waves 2 feet or less. 

see the open lakes forecast for days 3 through 5.

$$

fzus53 kgrb 180948
nshgrb
expires:202609181600;;648942

nearshore marine forecast
national weather service green bay wi
448 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz541>543-181600-
rock island passage to sturgeon bay wi-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
448 am cdt fri sep 18 2026

.early this morning...ne wind 10 to 15 kts. waves 1 to 3 ft.
mostly cloudy. 
.today...ne wind 10 to 15 kts. waves 2 to 4 ft. a chance of
showers in the afternoon. 
.tonight...e wind 10 to 15 kts veering se 10 to 20 kts after
midnight. waves 1 to 3 ft building to 3 to 5 ft after midnight.
rain showers likely in the evening, then a chance of showers
after midnight. a small craft advisory may be needed. 
.saturday...se wind 10 to 20 kts backing e 10 to 15 kts early in
the afternoon. waves 4 to 7 ft. a chance of showers. a small
craft advisory may be needed. 
.saturday night...ne wind 10 to 15 kts. waves 2 to 4 ft. a chance
of showers.  

$$

fzus53 kiwx 180737
nshiwx
expires:202609181415;;644086

nearshore marine forecast
national weather service northern indiana
337 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz046-181415-
michigan city in to new buffalo mi-
337 am edt fri sep 18 2026

.today...northeast winds 5 to 10 knots. partly sunny. waves 1 to
2 feet. 
.tonight...northeast winds 5 to 15 knots becoming east. a chance
of showers with a slight chance of thunderstorms overnight. waves
1 to 2 feet. 
.saturday...east winds 5 to 15 knots becoming southeast. showers
with a chance of thunderstorms. waves 2 feet or less. 
.saturday night...southeast winds 5 to 10 knots becoming
northeast. showers with a chance of thunderstorms. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 54 degrees and at michigan
city is 52 degrees.

$$

fzus53 kiwx 180737
nshiwx
expires:202609181415;;644085

nearshore marine forecast
national weather service northern indiana
337 am edt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz043-181415-
new buffalo mi to st joseph mi-
337 am edt fri sep 18 2026

.today...northeast winds 5 to 10 knots. partly sunny. waves
2 feet or less. 
.tonight...northeast winds 5 to 15 knots becoming east. a chance
of showers with a slight chance of thunderstorms overnight. waves
2 feet or less. 
.saturday...east winds 5 to 15 knots becoming southeast. showers
with a chance of thunderstorms. waves 2 feet or less. 
.saturday night...southeast winds 5 to 10 knots becoming
northeast. showers with a chance of thunderstorms. waves 1 foot
or less. 

winds and waves higher in and near thunderstorms.

the water temperature at st. joseph is 54 degrees and at michigan
city is 52 degrees.

$$

fzus53 klot 180824
nshlot
expires:202609181515;;646048

nearshore marine forecast
national weather service chicago/romeoville il
324 am cdt fri sep 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.


lmz740-181515-
winthrop harbor to wilmette harbor il-
324 am cdt fri sep 18 2026

...small craft advisory in effect from 7 am this morning to 3 pm
cdt this afternoon...

.today...northeast winds 15 to 20 kt. partly cloudy in the 
morning, then becoming mostly cloudy. waves 3 to 6 ft occasionally
to 8 ft.
.tonight...east winds 15 to 20 kt becoming southeast overnight.
showers and thunderstorms likely overnight. waves 3 to 5 ft 
building to 4 to 7 ft occasionally to 9 ft.
.saturday...southeast winds 10 to 20 kt. showers with
thunderstorms likely in the morning, then showers likely and a
chance of thunderstorms in the afternoon. waves 4 to 7 ft 
occasionally to 9 ft.
.saturday night...northeast winds 10 to 15 kt. showers and slight
chance of thunderstorms. waves 3 to 5 ft.

$$

fzus53 klot 180824
nshlot
expires:202609181515;;646049

nearshore marine forecast
national weather service chicago/romeoville il
324 am cdt fri sep 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.


lmz741-742-181515-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
324 am cdt fri sep 18 2026

.today...northeast winds 10 to 20 kt. partly cloudy in the 
morning, then becoming mostly cloudy. waves 3 to 5 ft subsiding 
to 2 to 4 ft. 
.tonight...east winds 15 to 20 kt becoming southeast overnight.
showers and thunderstorms likely overnight. waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft. a small craft
advisory will likely be needed. 
.saturday...southeast winds 10 to 20 kt becoming south. showers
with thunderstorms likely in the morning, then showers and a
chance of thunderstorms in the afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.
.saturday night...northeast winds 10 to 15 kt. showers and a
chance of thunderstorms in the evening, then showers and slight
chance of thunderstorms overnight. waves 2 to 4 ft. 

$$

fzus53 klot 180824
nshlot
expires:202609181515;;646050

nearshore marine forecast
national weather service chicago/romeoville il
324 am cdt fri sep 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>745-181515-
calumet harbor il to gary in-gary to burns harbor in-
burns harbor to michigan city in-
324 am cdt fri sep 18 2026

.today...northeast winds 10 to 15 kt. partly cloudy in the
morning, then becoming mostly cloudy. waves 2 to 4 ft. 
.tonight...east winds 10 to 15 kt increasing to 15 to 20 kt
overnight. chance of showers and thunderstorms overnight. waves
2 to 4 ft. 
.saturday...southeast winds 10 to 15 kt becoming south in the
afternoon. showers with thunderstorms likely in the morning, then
showers likely and a chance of thunderstorms in the afternoon.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday night...east winds around 10 kt becoming northeast
overnight. showers and a chance of thunderstorms in the evening,
then showers and slight chance of thunderstorms overnight. waves
1 to 3 ft.  

$$

fzus53 kmkx 180810
nshmkx
expires:202609182100;;645694

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz644-182100-
port washington to north point light wi-
310 am cdt fri sep 18 2026

.early this morning...northeast wind 10 to 15 knots becoming
10 to 20 knots early in the morning. partly cloudy. waves 1 to
3 feet building to 2 to 4 feet early in the morning. 
.today...northeast wind 15 to 20 knots veering east late in the
morning, then becoming northeast 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. chance of showers
through around midnight, then showers and slight chance of
thunderstorms after midnight. waves 3 to 5 feet building to 6 to
8 feet. a small craft advisory may be needed. 
.saturday...southeast wind 15 to 25 knots backing east late in
the afternoon. gusts up to 30 knots. showers in the morning.
chance of thunderstorms through the day. showers likely in the
afternoon. waves 7 to 9 feet. 
.saturday night...east wind 10 to 20 knots backing northeast
15 to 20 knots in the late evening and overnight. chance of
thunderstorms through around midnight. showers likely through the
night. waves 6 to 8 feet subsiding to 4 to 6 feet. 

$$

fzus53 kmkx 180810
nshmkx
expires:202609182100;;645693

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz643-182100-
sheboygan to port washington wi-
310 am cdt fri sep 18 2026

.early this morning...northeast wind 10 to 15 knots becoming
10 to 20 knots early in the morning. partly cloudy. waves 1 to
2 feet building to 2 to 4 feet early in the morning. 
.today...northeast wind 15 to 20 knots easing to 10 to 15 knots
early in the afternoon, then rising to 15 to 20 knots late in the
afternoon. slight chance of showers late in the afternoon. waves
3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and early morning, then veering
southeast early in the morning. rain showers likely through
around midnight, then showers and slight chance of thunderstorms
after midnight. waves 3 to 5 feet building to 5 to 7 feet in the
late evening and overnight. a small craft advisory may be needed.
.saturday...southeast wind up to 30 knots becoming east 15 to
25 knots in the late morning and afternoon. rain showers in the
morning. slight chance of thunderstorms through the day. chance
of showers in the afternoon. waves 7 to 9 feet. 
.saturday night...east wind 10 to 20 knots backing northeast
15 to 20 knots in the late evening and overnight. chance of
showers. waves 5 to 7 feet subsiding to 3 to 4 feet. 

$$

fzus53 kmkx 180810
nshmkx
expires:202609182100;;645695

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz645-182100-
north point light to wind point wi-
310 am cdt fri sep 18 2026

...small craft advisory in effect from 7 am this morning to 2 pm
cdt this afternoon...

.early this morning...northeast wind 10 to 15 knots rising to
15 to 20 knots early in the morning. partly cloudy. waves 3 to
4 feet. 
.today...northeast wind 15 to 20 knots veering east late in the
morning, then becoming northeast 10 to 15 knots early in the
afternoon rising to 15 to 20 knots late in the afternoon. partly
sunny. waves 3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. chance of showers
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 to 4 feet building to 6 to
8 feet. 
.saturday...southeast wind 15 to 25 knots backing east early in
the afternoon, then becoming 15 to 20 knots late in the
afternoon. showers in the morning. chance of thunderstorms
through the day. showers likely in the afternoon. waves 6 to
8 feet subsiding to 5 to 7 feet late in the afternoon. 
.saturday night...east wind 15 to 20 knots backing northeast
early in the morning. chance of thunderstorms through around
midnight. showers likely through the night. waves 5 to 7 feet
subsiding to 4 to 6 feet after midnight. 

$$

fzus53 kmkx 180810
nshmkx
expires:202609182100;;645696

nearshore marine forecast
national weather service milwaukee/sullivan wi
310 am cdt fri sep 18 2026

for waters within five nautical miles of shore on lake michigan


lmz646-182100-
wind point wi to winthrop harbor il-
310 am cdt fri sep 18 2026

...small craft advisory in effect from 7 am this morning to 2 pm
cdt this afternoon...

.early this morning...northeast wind 10 to 15 knots rising to
15 to 20 knots early in the morning. partly cloudy. waves 3 to
4 feet. 
.today...northeast wind 15 to 20 knots veering east in the late
morning and early afternoon, then backing northeast late in the
afternoon. partly sunny. waves 3 to 4 feet. 
.tonight...northeast wind 15 to 20 knots veering east 15 to
25 knots in the late evening and overnight. chance of showers
through around midnight, then showers and a chance of
thunderstorms after midnight. waves 3 to 4 feet building to 6 to
8 feet. 
.saturday...southeast wind 15 to 25 knots backing east 15 to
20 knots late in the afternoon. showers in the morning. chance of
thunderstorms through the day. showers likely in the afternoon.
waves 6 to 8 feet subsiding to 5 to 7 feet early in the
afternoon, then subsiding to 4 to 6 feet late in the afternoon. 
.saturday night...east wind 15 to 20 knots backing northeast
early in the morning. chance of thunderstorms through around
midnight. showers likely through the night. waves 4 to 6 feet. 

$$