fzus53 kgrb 120158
nshgrb
expires:202512120900;;422759

nearshore marine forecast
national weather service green bay wi
758 pm cst thu dec 11 2025

for waters within five nautical miles of the shore on lake michigan


lmz542-543-120900-
sturgeon bay to two rivers wi-two rivers to sheboygan wi-
758 pm cst thu dec 11 2025

.tonight...nw wind 5 to 10 kts. mostly cloudy. waves 2 ft or
less. 
.friday...w wind 5 to 10 kts increasing to 10 to 20 kts in the
afternoon. light snow likely in the afternoon. waves 2 ft or
less. 
.friday night...w wind 15 to 25 kts with gusts to around 30 kts.
mostly cloudy in the evening then becoming partly cloudy. waves
1 to 3 ft building to 2 to 4 ft in the late evening and
overnight. a small craft advisory may be needed. 
.saturday...w wind 15 to 25 kts with gusts to around 30 kts.
partly cloudy. waves 2 to 4 ft subsiding to 1 to 3 ft mid-day,
then building to 2 to 4 ft late in the afternoon. 

$$

fzus53 kgrr 120138
nshgrr
expires:202512120900;;422344

nearshore marine forecast
national weather service grand rapids mi
838 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz845-120900-
south haven to holland mi-
838 pm est thu dec 11 2025

.through early evening...west winds 10 to 15 knots. cloudy with a
slight chance of snow showers. waves 2 to 4 feet. 
.tonight...northwest winds 5 to 10 knots veering southeast in the
late evening and overnight. cloudy with a slight chance of snow
showers. waves 2 to 3 feet. 
.friday...southeast winds around 10 knots veering southwest early in
the afternoon. partly sunny with a chance of snow showers. waves
1 to 2 feet. 
.friday night...west winds to 30 knots increasing to gales to
45 knots in the late evening and overnight. snow showers and a
slight chance of light freezing rain. freezing spray. waves 4 to
6 feet building to 10 to 14 feet in the late evening and overnight. 
.saturday...northwest gales to 40 knots. snow showers. heavy
freezing spray. waves 10 to 14 feet. 
.saturday night...northwest gales to 40 knots. snow showers. heavy
freezing spray. waves 9 to 13 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots early
in the afternoon. snow showers. freezing spray. waves 9 to 13 feet. 
.monday...southwest gales to 45 knots. mostly cloudy. freezing
spray. waves 7 to 11 feet. 
.tuesday...south winds to 30 knots. mostly cloudy. waves 3 to 5 feet
building to 6 to 8 feet early in the afternoon. 

$$

fzus53 kgrr 120138
nshgrr
expires:202512120900;;422343

nearshore marine forecast
national weather service grand rapids mi
838 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz846-120900-
holland to grand haven mi-
838 pm est thu dec 11 2025

.through early evening...west winds 10 to 15 knots. cloudy with a
slight chance of snow showers. waves 2 to 4 feet. 
.tonight...northwest winds 5 to 10 knots veering east in the late
evening and overnight. mostly cloudy with a slight chance of snow
showers. waves 2 to 3 feet. 
.friday...east winds around 10 knots veering southwest 10 to
20 knots early in the afternoon. mostly cloudy with a chance of snow
showers. waves 1 to 3 feet. 
.friday night...west gales to 45 knots. snow showers and a slight
chance of light freezing rain. freezing spray. waves 5 to 7 feet
building to 10 to 14 feet in the late evening and overnight. 
.saturday...northwest gales to 40 knots. snow showers and a slight
chance of light freezing rain. heavy freezing spray. waves 10 to
14 feet. 
.saturday night...northwest gales to 40 knots. snow showers. heavy
freezing spray. waves 9 to 13 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots early
in the afternoon. snow showers. freezing spray. waves 9 to 13 feet. 
.monday...southwest gales to 40 knots increasing to storm force
winds to 50 knots in the late morning and afternoon. mostly cloudy.
freezing spray. waves 9 to 13 feet. 
.tuesday...southwest winds 15 to 20 knots becoming south gales to
35 knots. mostly cloudy. waves 3 to 5 feet building to 7 to 10 feet
in the late morning and afternoon. 

$$

fzus53 kgrr 120138
nshgrr
expires:202512120900;;422345

nearshore marine forecast
national weather service grand rapids mi
838 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz844-120900-
st joseph to south haven mi-
838 pm est thu dec 11 2025

.through early evening...west winds 10 to 15 knots. cloudy with a
slight chance of snow showers. waves 2 to 4 feet. 
.tonight...west winds 5 to 10 knots backing south in the late
evening and early morning, then backing southeast after midnight.
cloudy with a slight chance of snow showers. waves 2 to 3 feet. 
.friday...southeast winds around 10 knots veering southwest early in
the afternoon. partly sunny with a chance of snow showers. waves
1 to 2 feet. 
.friday night...west winds to 30 knots increasing to gales to
40 knots in the late evening and overnight. cloudy with a chance of
snow showers and a slight chance of light freezing rain. freezing
spray. waves 3 to 5 feet building to 8 to 12 feet in the late
evening and overnight. 
.saturday...northwest gales to 40 knots. snow showers likely and a
slight chance of light freezing rain. freezing spray. waves 9 to
13 feet. 
.saturday night...northwest gales to 40 knots. snow showers.
freezing spray. waves 9 to 13 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots early
in the afternoon. mostly cloudy. freezing spray. waves 9 to 13 feet.
.monday...southwest winds to 30 knots increasing to gales to
35 knots in the late morning and afternoon. partly sunny. freezing
spray. waves 6 to 9 feet. 
.tuesday...south winds to 30 knots. mostly cloudy. waves 3 to
5 feet. 

$$

fzus53 kgrr 120138
nshgrr
expires:202512120900;;422341

nearshore marine forecast
national weather service grand rapids mi
838 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz848-120900-
whitehall to pentwater mi-
838 pm est thu dec 11 2025

.through early evening...northwest winds 10 to 15 knots. cloudy with
a slight chance of snow showers. waves 2 to 3 feet. 
.tonight...northwest winds 5 to 10 knots backing southeast after
midnight. cloudy with a slight chance of snow showers. waves 1 to
3 feet. 
.friday...south winds 5 to 15 knots veering southwest 15 to 20 knots
early in the afternoon. mostly cloudy with a chance of snow showers.
waves 2 to 3 feet. 
.friday night...west gales to 40 knots. cloudy with a chance of snow
showers. freezing spray. waves 5 to 7 feet building to 9 to 13 feet
in the late evening and overnight. 
.saturday...northwest gales to 40 knots. mostly cloudy with a chance
of snow showers. freezing spray. waves 9 to 13 feet. 
.saturday night...northwest gales to 40 knots. snow showers likely.
freezing spray. waves 8 to 12 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots early
in the afternoon. mostly cloudy with snow showers likely. freezing
spray. waves 8 to 12 feet. 
.monday...southwest gales to 45 knots increasing to storm force
winds to 50 knots in the late morning and early afternoon, then
veering west gales to 45 knots early in the afternoon. mostly
cloudy. freezing spray. waves 10 to 14 feet. 
.tuesday...southwest winds 10 to 20 knots becoming south gales to
35 knots. mostly cloudy. waves 2 to 4 feet building to 7 to 11 feet.

$$

fzus53 kgrr 120138
nshgrr
expires:202512120900;;422340

nearshore marine forecast
national weather service grand rapids mi
838 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz849-120900-
pentwater to manistee mi-
838 pm est thu dec 11 2025

.through early evening...northwest winds 10 to 15 knots. cloudy with
a slight chance of snow showers. waves 2 to 3 feet. 
.tonight...northwest winds 5 to 10 knots backing south after
midnight. cloudy with a slight chance of snow showers. waves 1 to
3 feet. 
.friday...south winds 5 to 15 knots veering southwest 15 to 20 knots
early in the afternoon. mostly cloudy with a chance of snow showers.
waves around 1 foot building to 2 to 3 feet early in the afternoon. 
.friday night...west winds to 30 knots increasing to gales to
40 knots in the late evening and overnight. snow showers likely.
freezing spray. waves 5 to 7 feet building to 8 to 12 feet in the
late evening and overnight. 
.saturday...northwest gales to 35 knots. mostly cloudy with a chance
of snow showers. freezing spray. waves 8 to 12 feet. 
.saturday night...northwest gales to 40 knots. snow showers likely.
freezing spray. waves 8 to 12 feet. 
.sunday...northwest gales to 40 knots decreasing to 30 knots early
in the afternoon. mostly cloudy with snow showers likely. freezing
spray. waves 8 to 12 feet subsiding to 6 to 8 feet early in the
afternoon. 
.monday...southwest gales to 40 knots. mostly cloudy. freezing
spray. waves 8 to 12 feet. 
.tuesday...southwest winds 10 to 20 knots becoming south gales to
35 knots. mostly cloudy. waves 1 to 3 feet building to 7 to 10 feet.

$$

fzus53 kgrr 120138
nshgrr
expires:202512120900;;422342

nearshore marine forecast
national weather service grand rapids mi
838 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz847-120900-
grand haven to whitehall mi-
838 pm est thu dec 11 2025

.through early evening...west winds 10 to 15 knots. cloudy with a
slight chance of snow showers. waves 2 to 3 feet. 
.tonight...northwest winds 5 to 15 knots veering east in the late
evening and overnight. mostly cloudy with a slight chance of snow
showers. waves 1 to 3 feet. 
.friday...southeast winds 5 to 10 knots veering south 10 to 20 knots
in the late morning and early afternoon, then veering southwest
early in the afternoon. mostly cloudy with a chance of snow showers.
waves 2 to 3 feet. 
.friday night...west winds to 30 knots increasing to gales to
40 knots in the late evening and overnight. snow showers and a
slight chance of light freezing rain. freezing spray. waves 5 to
7 feet building to 9 to 13 feet in the late evening and overnight. 
.saturday...northwest gales to 40 knots. snow showers likely and a
slight chance of light freezing rain. heavy freezing spray. waves
10 to 14 feet. 
.saturday night...northwest gales to 35 knots. snow showers. heavy
freezing spray. waves 8 to 12 feet. 
.sunday...northwest gales to 35 knots decreasing to 30 knots early
in the afternoon. mostly cloudy with a chance of snow showers.
freezing spray. waves 8 to 12 feet. 
.monday...southwest gales to 45 knots increasing to storm force
winds to 50 knots in the late morning and afternoon. mostly cloudy.
freezing spray. waves 10 to 14 feet. 
.tuesday...southwest winds 15 to 20 knots becoming south gales to
35 knots. mostly cloudy. waves 3 to 5 feet building to 7 to 11 feet.

$$

fzus53 kiwx 120242
nshiwx
expires:202512120915;;424671

nearshore marine forecast
national weather service northern indiana
942 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz043-120915-
new buffalo mi to st joseph mi-
942 pm est thu dec 11 2025

.overnight...light and variable winds becoming southeast
5 to 10 knots. cloudy. waves 1 to 2 feet. 
.friday...east winds 10 knots or less becoming southwest. a
chance of snow in the afternoon. waves 1 foot or less. 
.friday night...west winds 15 to 25 knots. gusts up to 30 knots.
snow likely in the evening, then a chance of snow overnight.
freezing spray overnight. waves 2 to 4 feet building to 6 to
10 feet. 
.saturday...west winds 15 to 25 knots. gusts up to 30 knots.
freezing spray. a chance of snow in the morning, then snow likely
in the afternoon. waves 7 to 11 feet subsiding to 6 to 9 feet. 

the water temperature at michigan city is 39 degrees.

$$

fzus53 kiwx 120242
nshiwx
expires:202512120915;;424670

nearshore marine forecast
national weather service northern indiana
942 pm est thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz046-120915-
michigan city in to new buffalo mi-
942 pm est thu dec 11 2025

.overnight...south winds 10 knots or less becoming
southeast. cloudy. waves 1 to 2 feet. 
.friday...east winds 10 knots or less becoming southwest. a
chance of snow in the afternoon. waves 1 foot or less. 
.friday night...west winds 10 to 15 knots increasing to 15 to
20 knots. gusts up to 30 knots. a chance of snow in the evening.
freezing spray overnight. waves 1 to 3 feet building to 5 to
8 feet. 
.saturday...west winds 15 to 20 knots. gusts up to 30 knots.
freezing spray. a chance of snow in the morning, then snow likely
in the afternoon. waves 5 to 8 feet. 

the water temperature at michigan city is 39 degrees.

$$

fzus53 klot 120237
nshlot
expires:202512120445;;424580

nearshore marine forecast
national weather service chicago/romeoville il
837 pm cst thu dec 11 2025

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>743-120445-
winthrop harbor to wilmette harbor il-
wilmette harbor to northerly island il-
northerly island to calumet harbor il-
calumet harbor il to gary in-
837 pm cst thu dec 11 2025

.tonight...variable winds at less than 10 kt. mostly cloudy. 
waves 1 to 2 ft.

.friday...variable winds less than 10 kt the morning becoming west 
10 to 15 kt in the afternoon. chance of snow showers in the 
afternoon. waves 1 to 2 ft.
.friday night...west winds 15 to 25 kt. chance of snow showers in
the evening. waves 2 to 4 ft.
.saturday...northwest winds 20 to 25 kt becoming west. chance of
snow. waves 2 to 4 ft. 

$$

fzus53 klot 120237
nshlot
expires:202512120445;;424581

nearshore marine forecast
national weather service chicago/romeoville il
837 pm cst thu dec 11 2025

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.


lmz744-745-120445-
gary to burns harbor in-burns harbor to michigan city in-
837 pm cst thu dec 11 2025

.tonight...variable winds at less than 10 kt. mostly cloudy. 
waves 1 to 2 ft.
.friday...variable winds less than 10 kt the morning becoming 
southwest 10 to 15 kt in the afternoon. chance of snow showers in
the afternoon. waves 1 to 2 ft. 
.friday night...west winds 15 to 25 kt increasing to 30 kt.
chance of snow showers in the evening. freezing spray overnight.
waves 3 to 5 ft quickly building to 5 to 8 ft occasionally to 10 
ft. a small craft advisory will likely be needed. 
.saturday...northwest winds to 30 kt becoming west. freezing
spray. chance of snow in the afternoon. waves 5 to 8 ft 
occasionally to 10 ft. a small craft advisory will likely be 
needed. 

$$

fzus53 kmkx 120310
nshmkx
expires:202512121100;;426097

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz643-121100-
sheboygan to port washington wi-
910 pm cst thu dec 11 2025

.rest of tonight...northwest wind 5 knots rising to 5 to 10 knots
early in the morning. mostly cloudy. waves nearly calm. 
.friday...northwest wind 5 to 10 knots backing west 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. chance of snow in
the afternoon. waves around 1 foot. 
.friday night...west wind 15 to 25 knots rising to up to 30 knots
late in the evening, then rising to gales to 35 knots after
midnight. slight chance of snow through around midnight. waves
3 to 4 feet building to 3 to 5 feet after midnight. a gale
warning may be needed. 
.saturday...west wind up to 30 knots. partly sunny. waves 3 to
5 feet subsiding to 3 to 4 feet in the late morning and
afternoon. a small craft advisory may be needed. 

wave heights are for ice free areas.

$$

fzus53 kmkx 120310
nshmkx
expires:202512121100;;426098

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz644-121100-
port washington to north point light wi-
910 pm cst thu dec 11 2025

.rest of tonight...northwest wind 5 knots rising to 5 to 10 knots
early in the morning. mostly cloudy. waves nearly calm. 
.friday...northwest wind 5 to 10 knots backing west late in the
morning, then rising to 10 to 15 knots early in the afternoon
becoming 10 to 20 knots late in the afternoon. slight chance of
snow in the morning, then chance of snow in the afternoon. waves
around 1 foot. 
.friday night...west wind 15 to 25 knots rising to up to 30 knots
late in the evening, then veering northwest after midnight.
slight chance of snow through around midnight. waves 3 to 4 feet
building to 3 to 5 feet after midnight. a small craft advisory
may be needed. 
.saturday...northwest wind up to 30 knots backing west in the
afternoon. slight chance of snow in the afternoon. waves 3 to
5 feet subsiding to 3 to 4 feet in the late morning and early
afternoon, then building to 3 to 5 feet late in the afternoon. 

wave heights are for ice free areas.

$$

fzus53 kmkx 120310
nshmkx
expires:202512121100;;426099

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz645-121100-
north point light to wind point wi-
910 pm cst thu dec 11 2025

.rest of tonight...northwest wind 5 knots rising to 5 to 10 knots
after midnight. mostly cloudy. waves nearly calm. 
.friday...northwest wind 5 to 10 knots backing west late in the
morning, then rising to 10 to 15 knots early in the afternoon
becoming 10 to 20 knots late in the afternoon. slight chance of
snow in the morning, then chance of snow in the afternoon. waves
around 1 foot. 
.friday night...west wind 15 to 25 knots rising to up to 30 knots
late in the evening, then veering northwest after midnight
becoming northwest up to 30 knots early in the morning. chance of
snow through around midnight. waves 3 to 4 feet building to 3 to
5 feet after midnight. a small craft advisory may be needed. 
.saturday...northwest wind up to 30 knots easing to 15 to
25 knots late in the morning, then backing west early in the
afternoon becoming northwest up to 30 knots late in the
afternoon. slight chance of snow in the afternoon. waves 3 to
5 feet subsiding to 3 to 4 feet in the late morning and early
afternoon, then building to 3 to 5 feet late in the afternoon. 

wave heights are for ice free areas.

$$

fzus53 kmkx 120310
nshmkx
expires:202512121100;;426100

nearshore marine forecast
national weather service milwaukee/sullivan wi
910 pm cst thu dec 11 2025

for waters within five nautical miles of shore on lake michigan


lmz646-121100-
wind point wi to winthrop harbor il-
910 pm cst thu dec 11 2025

.rest of tonight...northwest wind 5 knots rising to 5 to 10 knots
after midnight. mostly cloudy. waves nearly calm. 
.friday...northwest wind 5 to 10 knots backing west late in the
morning, then rising to 10 to 15 knots early in the afternoon
becoming 10 to 20 knots late in the afternoon. slight chance of
snow in the morning, then chance of snow in the afternoon. waves
around 1 foot. 
.friday night...west wind 15 to 20 knots becoming 15 to 25 knots
late in the evening, then becoming northwest up to 30 knots after
midnight. chance of snow through around midnight. waves 1 to
2 feet building to 3 to 5 feet. a small craft advisory may be
needed. 
.saturday...northwest wind up to 30 knots easing to 15 to
25 knots late in the morning, then backing west in the afternoon.
slight chance of snow in the morning, then chance of snow in the
afternoon. waves 3 to 5 feet subsiding to 3 to 4 feet in the late
morning and afternoon. 

wave heights are for ice free areas.

$$