fzus53 kgrb 121711
nshgrb
expires:202603122200;;552930

nearshore marine forecast
national weather service green bay wi
1210 pm cdt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz542-543-122200-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
1210 pm cdt thu mar 12 2026

...gale warning in effect from 10 pm cdt this evening through
friday evening...

.this afternoon...w wind 5 to 10 kts backing s 10 to 15 kts early
in the afternoon. waves 1 to 3 ft. sunny.
.tonight...s wind 15 to 25 kts increasing to gales to 35 kts,
then veering sw to 30 kts after midnight. gusts to 45 kts. waves
8 to 12 ft building to 12 to 16 ft after midnight. a slight
chance of light snow in the evening. a chance of rain. light snow
after midnight. 
.friday...w wind to 30 kts veering nw gales to 35 kts mid-day,
then decreasing to to 30 kts early in the afternoon. gusts to
40 kts. waves 6 to 10 ft. a chance of light rain in the morning.
a chance of light snow. 
.friday night...nw wind 15 to 25 kts decreasing to 10 to 15 kts
in the late evening and overnight. waves 2 to 4 ft subsiding to
2 ft or less after midnight. partly cloudy.  

$$

fzus53 kgrr 121659
nshgrr
expires:202603130800;;551729

nearshore marine forecast
national weather service grand rapids mi
1258 pm edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz846-130800-
holland to grand haven mi-
1258 pm edt thu mar 12 2026

...storm warning in effect from late tonight through friday
evening...

.through early evening...west winds 15 to 20 knots. sunny. waves
2 to 4 feet. 
.tonight...south winds 15 to 20 knots increasing to gales to
45 knots in the late evening and overnight. a slight chance of snow
showers in the evening, then rain and snow showers after midnight.
waves 1 to 3 feet building to 11 to 15 feet. 
.friday...southwest storm force winds to 55 knots veering west gales
to 45 knots early in the afternoon. mostly cloudy with a chance of
rain and snow showers. waves 13 to 17 feet. 
.friday night...northwest gales to 45 knots decreasing to 15 to
25 knots after midnight. partly cloudy. waves 13 to 17 feet
subsiding to 6 to 9 feet after midnight. 
.saturday...northwest winds 10 to 20 knots. mostly cloudy. waves
4 to 6 feet subsiding to 1 to 3 feet early in the afternoon. 
.saturday night...east winds 10 to 20 knots increasing to 30 knots
after midnight. cloudy with snow showers likely. waves 2 to 3 feet. 
.sunday...east gales to 40 knots. rain and snow showers. waves 4 to
6 feet. 
.monday...northwest storm force winds to 55 knots. rain and snow
showers. waves 14 to 18 feet. 
.tuesday...northwest gales to 35 knots backing west 20 to 25 knots
early in the afternoon. mostly cloudy. waves 7 to 11 feet. 

$$

fzus53 kgrr 121659
nshgrr
expires:202603130800;;551731

nearshore marine forecast
national weather service grand rapids mi
1258 pm edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz844-130800-
st joseph to south haven mi-
1258 pm edt thu mar 12 2026

...storm warning in effect from late tonight through friday
evening...

.through early evening...west winds 10 to 20 knots. sunny. waves
2 to 4 feet. 
.tonight...south winds 10 to 15 knots increasing to gales to
40 knots. a slight chance of rain showers in the evening, then rain
showers likely after midnight. waves 1 to 3 feet building to 7 to
10 feet. 
.friday...southwest gales to 45 knots veering west early in the
afternoon. partly sunny with a chance of rain showers and a slight
chance of snow showers. waves 11 to 15 feet. 
.friday night...northwest gales to 40 knots decreasing to 20 to
25 knots after midnight. partly cloudy. waves 10 to 14 feet
subsiding to 6 to 9 feet after midnight. 
.saturday...north winds 10 to 20 knots. mostly cloudy. waves 4 to
6 feet subsiding to 2 to 3 feet early in the afternoon. 
.saturday night...east winds 15 to 25 knots. cloudy with snow
showers likely. waves 1 to 3 feet. 
.sunday...east winds to 30 knots veering southeast gales to 35 knots
early in the afternoon. rain showers with snow showers likely. waves
3 to 5 feet. 
.monday...northwest storm force winds to 50 knots becoming gales to
45 knots early in the afternoon. rain and snow showers. waves 16 to
20 feet. 
.tuesday...northwest gales to 35 knots becoming west 15 to 25 knots
early in the afternoon. mostly cloudy. waves 7 to 10 feet. 

$$

fzus53 kgrr 121659
nshgrr
expires:202603130800;;551728

nearshore marine forecast
national weather service grand rapids mi
1258 pm edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz847-130800-
grand haven to whitehall mi-
1258 pm edt thu mar 12 2026

...storm warning in effect from late tonight through friday
evening...

.through early evening...west winds 15 to 20 knots. sunny. waves
2 to 3 feet. 
.tonight...south winds 15 to 20 knots increasing to gales to
45 knots in the late evening and overnight. a slight chance of rain
and snow showers in the evening, then rain and snow showers after
midnight. waves 2 to 3 feet building to 12 to 16 feet. 
.friday...southwest storm force winds to 50 knots veering west early
in the afternoon. mostly cloudy with a chance of rain and snow
showers. waves 13 to 17 feet. 
.friday night...northwest gales to 45 knots decreasing to 15 to
25 knots after midnight. partly cloudy. waves 12 to 16 feet
subsiding to 6 to 8 feet. 
.saturday...northwest winds 10 to 20 knots backing west early in the
afternoon. mostly cloudy. waves 3 to 5 feet subsiding to 1 to 2 feet
early in the afternoon. 
.saturday night...east winds 10 to 20 knots increasing to 30 knots
after midnight. cloudy with a chance of snow showers. waves 2 to
3 feet. 
.sunday...east gales to 40 knots. rain and snow showers. waves 3 to
5 feet. 
.monday...northwest storm force winds to 55 knots. rain and snow
showers. waves 13 to 17 feet. 
.tuesday...northwest gales to 35 knots decreasing to 30 knots in the
late morning and afternoon. mostly cloudy. waves 7 to 10 feet. 

$$

fzus53 kgrr 121659
nshgrr
expires:202603130800;;551730

nearshore marine forecast
national weather service grand rapids mi
1258 pm edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz845-130800-
south haven to holland mi-
1258 pm edt thu mar 12 2026

...storm warning in effect from late tonight through friday
evening...

.through early evening...west winds 15 to 20 knots. sunny. waves
2 to 4 feet. 
.tonight...south winds 10 to 20 knots increasing to gales to
45 knots. mostly cloudy. a slight chance of snow showers in the
evening, then a chance of rain showers and a slight chance of snow
showers after midnight. waves 1 to 3 feet building to 8 to 12 feet. 
.friday...southwest gales to 45 knots veering west storm force winds
to 50 knots in the late morning and early afternoon, then becoming
gales to 45 knots early in the afternoon. mostly cloudy with a
chance of rain and snow showers. waves 13 to 17 feet. 
.friday night...northwest gales to 45 knots decreasing to 20 to
25 knots after midnight. partly cloudy. waves 12 to 16 feet
subsiding to 6 to 9 feet after midnight. 
.saturday...northwest winds 10 to 20 knots. mostly cloudy. waves
4 to 6 feet subsiding to 1 to 3 feet. 
.saturday night...east winds 15 to 25 knots. cloudy with a chance of
snow showers. waves 1 to 3 feet. 
.sunday...east winds to 30 knots veering southeast gales to 35 knots
in the late morning and afternoon. rain and snow showers. waves 3 to
5 feet. 
.monday...northwest storm force winds to 50 knots becoming gales to
45 knots early in the afternoon. rain and snow showers. waves 14 to
18 feet. 
.tuesday...northwest gales to 35 knots backing west 20 to 25 knots
early in the afternoon. mostly cloudy. waves 7 to 11 feet. 

$$

fzus53 kgrr 121659
nshgrr
expires:202603130800;;551726

nearshore marine forecast
national weather service grand rapids mi
1258 pm edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz849-130800-
pentwater to manistee mi-
1258 pm edt thu mar 12 2026

...gale warning in effect from late tonight through friday evening...

.through early evening...west winds 10 to 15 knots. sunny. waves
2 to 3 feet. 
.tonight...south winds 15 to 25 knots increasing to gales to
45 knots in the late evening and overnight. a chance of snow showers
in the evening, then rain and snow showers after midnight. waves
2 to 3 feet building to 11 to 15 feet. 
.friday...southwest gales to 45 knots veering west early in the
afternoon. mostly cloudy with a chance of rain and snow showers.
waves 12 to 16 feet. 
.friday night...northwest gales to 45 knots decreasing to 30 knots
after midnight. partly cloudy. waves 11 to 15 feet subsiding to 6 to
8 feet after midnight. 
.saturday...northwest winds 10 to 20 knots backing west 5 to
15 knots early in the afternoon. mostly cloudy. waves 3 to 5 feet
subsiding to 2 to 3 feet in the late morning and afternoon. 
.saturday night...east winds 10 to 20 knots. cloudy with snow
showers likely. waves 1 to 2 feet. 
.sunday...east winds to 30 knots becoming northeast gales to
40 knots early in the afternoon. snow showers. waves 3 to 5 feet
building to 5 to 7 feet early in the afternoon. 
.monday...northwest storm force winds to 55 knots. snow showers.
waves 16 to 20 feet. 
.tuesday...northwest gales to 35 knots decreasing to 15 to 25 knots
early in the afternoon. mostly cloudy. waves 7 to 11 feet subsiding
to 4 to 6 feet early in the afternoon. 

$$

fzus53 kgrr 121659
nshgrr
expires:202603130800;;551727

nearshore marine forecast
national weather service grand rapids mi
1258 pm edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz848-130800-
whitehall to pentwater mi-
1258 pm edt thu mar 12 2026

...storm warning in effect from late tonight through friday
evening...

.through early evening...west winds around 15 knots. sunny. waves
2 to 3 feet. 
.tonight...south winds 15 to 25 knots increasing to gales to
45 knots in the late evening and overnight. a chance of snow showers
and a slight chance of rain showers in the evening, then snow
showers with rain showers likely after midnight. waves 2 to 3 feet
building to 13 to 17 feet. 
.friday...southwest gales to 45 knots veering west storm force winds
to 50 knots in the late morning and afternoon. mostly cloudy with a
chance of rain and snow showers. waves 14 to 18 feet. 
.friday night...northwest gales to 45 knots decreasing to 20 to
25 knots after midnight. partly cloudy. waves 11 to 15 feet
subsiding to 6 to 8 feet after midnight. 
.saturday...northwest winds 10 to 20 knots backing west early in the
afternoon. mostly cloudy. waves 3 to 5 feet subsiding to 1 to 2 feet
early in the afternoon. 
.saturday night...southeast winds 5 to 10 knots becoming east 15 to
25 knots in the late evening and overnight. cloudy with a chance of
snow showers. waves 1 to 3 feet. 
.sunday...east winds to 30 knots increasing to gales to 40 knots in
the late morning and afternoon. snow showers. waves 2 to 4 feet
building to 4 to 6 feet early in the afternoon. 
.monday...northwest storm force winds to 55 knots. rain and snow
showers. waves 15 to 19 feet. 
.tuesday...northwest gales to 35 knots decreasing to 20 to 25 knots
early in the afternoon. mostly cloudy. waves 7 to 11 feet subsiding
to 5 to 7 feet early in the afternoon. 

$$

fzus53 kiwx 121435
nshiwx
expires:202603122015;;546438

nearshore marine forecast
national weather service northern indiana
1035 am edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz046-122015-
michigan city in to new buffalo mi-
1035 am edt thu mar 12 2026

...gale warning in effect from this evening through late
tonight...
...storm warning in effect from late tonight through friday
afternoon...
...gale warning in effect from friday afternoon through friday
evening...

.this afternoon...west winds 5 to 15 knots becoming southwest.
sunny. waves 2 to 4 feet. 
.tonight...south winds 5 to 10 knots increasing to 30 knots.
gusts up to 25 knots increasing to 50 knot storms. a slight 
chance of showers in the evening, then a chance of showers 
overnight. waves 1 to 2 feet building to 4 to 7 feet. 
.friday...southwest gales to 35 knots becoming west and
diminishing to 30 knots in the afternoon. gusts up to 50 knot
storms. a chance of showers in the morning. waves 6 to 10 feet
building to 7 to 11 feet. 
.friday night...northwest winds to 30 knots diminishing to 10 to
15 knots overnight. gusts up to 40 knot gales. mostly cloudy.
waves 5 to 9 feet subsiding to 3 to 6 feet. 

the water temperature at st. joseph is 41 degrees and at michigan
city is 40 degrees.

$$

fzus53 kiwx 121435
nshiwx
expires:202603122015;;546439

nearshore marine forecast
national weather service northern indiana
1035 am edt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz043-122015-
new buffalo mi to st joseph mi-
1035 am edt thu mar 12 2026

...gale warning in effect from this evening through late
tonight...
...storm warning in effect from late tonight through friday
afternoon...
...gale warning in effect from friday afternoon through friday
evening...

.this afternoon...west winds 5 to 15 knots becoming southwest.
sunny. waves 2 to 4 feet. 
.tonight...south winds 5 to 10 knots increasing to 35 knot gales.
gusts up to 25 knots increasing to 50 knot storms. a slight
chance of rain showers in the evening, then a chance of rain
showers overnight. waves 1 to 3 feet building to 7 to 10 feet. 
.friday...southwest gales to 35 knots becoming west. gusts up to
50 knot storms. a chance of rain showers in the morning. waves
8 to 11 feet building to 10 to 13 feet. 
.friday night...northwest winds to 30 knots diminishing to 10 to
15 knots overnight. gusts up to 45 knot gales decreasing to
25 knots. mostly cloudy. waves 9 to 12 feet subsiding to 5 to
8 feet. 

the water temperature at st. joseph is 41 degrees and at michigan
city is 40 degrees.

$$

fzus53 klot 121418 cca
nshlot
expires:202603122130;;546179

nearshore marine forecast...corrected
national weather service chicago/romeoville il
918 am cdt thu mar 12 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>743-122130-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
918 am cdt thu mar 12 2026

...gale warning in effect from this evening through late
tonight...
...storm warning in effect from late tonight through friday
afternoon...
...gale warning in effect from friday afternoon through friday
evening...

.rest of today...west winds 10 to 15 kt becoming southwest late.
sunny late in the morning, then becoming partly cloudy. waves
2 to 4 ft subsiding to 1 to 2 ft. 
.tonight...south winds to 30 kt becoming southwest and increasing
to 40 kt gales late in the evening, then to 50 kt storm force
winds overnight. slight chance of showers in the evening, then 
showers likely overnight. waves 4 to 6 ft occasionally to 8 ft 
building to 5 to 8 ft occasionally to 10 ft.
.friday...west storm force winds to 50 kt diminishing to 45 kt
gales late. mostly cloudy. waves 4 to 7 ft occasionally to 9 ft. 
.friday night...northwest gales to 35 kt diminishing to 10 to
15 kt. mostly cloudy. waves 3 to 5 ft subsiding to 2 to 4 ft.  

$$

fzus53 klot 121418 cca
nshlot
expires:202603122130;;546180

nearshore marine forecast...corrected
national weather service chicago/romeoville il
918 am cdt thu mar 12 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.


lmz744-745-122130-
gary to burns harbor in-burns harbor to michigan city in-
918 am cdt thu mar 12 2026

...gale warning in effect from this evening through late
tonight...
...storm warning in effect from late tonight through friday
afternoon...
...gale warning in effect from friday afternoon through friday
evening...

.rest of today...west winds 15 to 20 kt becoming southwest and
diminishing to around 10 kt. mostly sunny. waves 3 to 5 ft
subsiding to 1 to 3 ft. 
.tonight...south winds to 30 kt becoming southwest and increasing
to 40 kt gales late this evening, then to 50 kt storm force winds
overnight. slight chance of showers in the evening, then chance 
of showers overnight. waves 2 to 4 ft building to 5 to 8 ft 
occasionally to 10 ft. 
.friday...southwest storm force winds to 50 kt becoming west in
the morning, then diminishing to 45 kt late. slight chance of 
showers in the morning. waves 8 to 11 ft occasionally to 14 ft.
.friday night...northwest gales to 35 kt diminishing to 10 to
20 kt overnight. mostly cloudy. waves 6 to 9 ft occasionally to
12 ft subsiding to 4 to 6 ft occasionally to 8 ft.  

$$

fzus53 kmkx 121611
nshmkx
expires:202603122200;;550308

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz646-122200-
wind point wi to winthrop harbor il-
1111 am cdt thu mar 12 2026

...storm warning in effect from 10 pm cdt this evening through
friday evening...

.rest of today...west wind 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. mostly sunny. waves around
1 foot. 
.tonight...south wind 10 to 20 knots rising to 15 to 25 knots
with gusts to around 35 knots late in the evening, then rising to
gales to 35 knots with gusts to around 40 knots after midnight
veering southwest with gusts to around 40 knots early in the
morning. chance of rain through around midnight, then rain likely
after midnight. waves 4 to 6 feet building to 5 to 7 feet. 
.friday...west wind up to 30 knots rising to gales to 35 knots
late in the morning, then becoming west gales to 35 knots early
in the afternoon easing to up to 30 knots late in the afternoon.
gusts up to 50 knots. partly sunny. waves 4 to 6 feet subsiding
to 3 to 5 feet late in the afternoon. 
.friday night...northwest wind 15 to 25 knots with gusts to
around 35 knots easing to 10 to 20 knots with gusts to around
25 knots late in the evening, then becoming 10 to 15 knots after
midnight becoming northwest 10 to 15 knots early in the morning.
partly cloudy through around midnight then becoming mostly
cloudy. waves 3 to 4 feet subsiding to 1 to 2 feet after
midnight. 

$$

fzus53 kmkx 121611
nshmkx
expires:202603122200;;550307

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz645-122200-
north point light to wind point wi-
1111 am cdt thu mar 12 2026

...storm warning in effect from 10 pm cdt this evening through
friday evening...

.rest of today...west wind 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. mostly sunny. waves around
1 foot. 
.tonight...south wind 15 to 20 knots rising to up to 30 knots
with gusts to around 35 knots late in the evening, then rising to
gales to 35 knots with gusts to around 40 knots after midnight
veering southwest with gusts to around 40 knots early in the
morning. chance of rain through around midnight, then rain after
midnight. waves 4 to 6 feet building to 5 to 7 feet. 
.friday...southwest wind up to 30 knots becoming west gales to
35 knots in the late morning and early afternoon, then veering
northwest late in the afternoon. gusts up to 50 knots. partly
sunny. waves 4 to 6 feet. 
.friday night...northwest wind up to 30 knots with gusts to
around 35 knots easing to 15 to 20 knots with gusts to around
25 knots late in the evening, then easing to 10 to 15 knots after
midnight becoming northwest 10 to 15 knots early in the morning.
partly cloudy through around midnight then becoming mostly
cloudy. waves 3 to 5 feet subsiding to 1 to 2 feet early in the
morning. 

$$

fzus53 kmkx 121611
nshmkx
expires:202603122200;;550306

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz644-122200-
port washington to north point light wi-
1111 am cdt thu mar 12 2026

...storm warning in effect from 10 pm cdt this evening through
friday evening...

.rest of today...west wind 5 to 10 knots becoming south 10 to
15 knots late in the afternoon. mostly sunny. waves around
1 foot. 
.tonight...south wind 15 to 20 knots rising to up to 30 knots
with gusts to around 35 knots late in the evening, then rising to
gales to 35 knots with gusts to around 40 knots after midnight
veering southwest with gusts to around 40 knots early in the
morning. chance of rain through around midnight, then rain and a
chance of snow after midnight. waves 3 to 4 feet building to 6 to
8 feet. 
.friday...west wind up to 30 knots with gusts to around 40 knots
rising to gales to 35 knots with gusts to around 45 knots late in
the morning, then becoming west gales to 35 knots with gusts to
around 50 knots early in the afternoon veering northwest with
gusts to around 45 knots late in the afternoon. partly sunny.
waves 4 to 6 feet. 
.friday night...northwest wind up to 30 knots with gusts to
around 35 knots easing to 15 to 20 knots with gusts to around
25 knots late in the evening, then easing to 10 to 15 knots after
midnight becoming northwest 10 to 15 knots early in the morning.
partly cloudy through around midnight then becoming mostly
cloudy. waves 3 to 4 feet subsiding to 1 to 2 feet after
midnight. 

$$

fzus53 kmkx 121611
nshmkx
expires:202603122200;;550305

nearshore marine forecast
national weather service milwaukee/sullivan wi
1111 am cdt thu mar 12 2026

for waters within five nautical miles of shore on lake michigan


lmz643-122200-
sheboygan to port washington wi-
1111 am cdt thu mar 12 2026

...storm warning in effect from 10 pm cdt this evening through
friday evening...

.rest of today...west wind 5 to 10 knots becoming south 10 to
20 knots late in the afternoon. mostly sunny. waves around
1 foot. 
.tonight...south wind 15 to 25 knots rising to up to 30 knots
with gusts to around 40 knots late in the evening, then rising to
gales to 35 knots with gusts to around 40 knots after midnight
veering southwest with gusts to around 40 knots early in the
morning. chance of rain through around midnight. chance of snow
through the night. rain after midnight. waves 3 to 5 feet
building to 9 to 11 feet. 
.friday...southwest wind up to 30 knots with gusts to around
40 knots becoming west gales to 35 knots with gusts to around
45 knots late in the morning, then becoming west gales to
35 knots with gusts to around 50 knots early in the afternoon
veering northwest with gusts to around 45 knots late in the
afternoon. slight chance of snow in the morning. waves 5 to
7 feet subsiding to 4 to 6 feet in the late morning and
afternoon. 
.friday night...northwest wind up to 30 knots with gusts to
around 35 knots easing to 15 to 25 knots with gusts to around
30 knots late in the evening, then becoming 15 to 20 knots after
midnight easing to 10 to 15 knots early in the morning. partly
cloudy. waves 3 to 5 feet subsiding to 1 to 2 feet early in the
morning. 

$$