fzus63 kmkx 260913
glflm 
expires:202511261615;;529050

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
313 am cst wed nov 26 2025

for waters beyond 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 wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure of 29.3 inches will track east across lake michigan
this morning, slowly approaching the straits of mackinac by noon
cst today. very strong southwest gusts will quickly come up this
morning over the southern end of the lake an spread northward with
time through the rest of the morning. storm force gusts will
become likely late this morning and into the afternoon over the
southern two thirds of the lake, with high end gales more likely
over the northern third of the lake. 

storm force gusts will then likely ease to high end gales around
midnight tonight, and gales will continue through thursday and
into thursday evening to early friday morning before subsiding
over the lake.


lmz080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-261615-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
313 am cst wed nov 26 2025

sturgeon bay wi to point betsie mi south...

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

.today...southwest gales to 45 kt becoming west storm force winds
to 50 kt late this morning, then increasing to storm force winds
to 55 kt early this afternoon becoming northwest late. rain
likely with snow this morning, then snow and rain this afternoon.
waves 12 to 16 ft occasionally to 21 ft building to 20 to 25 ft
occasionally to 33 ft. 
.tonight...northwest storm force winds to 50 kt diminishing to
gales to 45 kt. chance of snow. waves 25 to 30 ft occasionally to
39 ft subsiding to 18 to 23 ft occasionally to 30 ft. 
.thursday...northwest gales to 40 kt. chance of flurries in the
morning, then chance of snow in the afternoon. waves 15 to 20 ft
occasionally to 26 ft subsiding to 14 to 18 ft occasionally to
23 ft. 
.thursday night...northwest gales to 35 kt diminishing to 30 kt.
chance of snow. waves 14 to 18 ft occasionally to 23 ft. 
.friday...northwest winds to 30 kt diminishing to 15 to 25 kt.
waves 10 to 14 ft occasionally to 18 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.friday night...west winds 10 to 15 kt becoming southwest. chance
of snow. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.saturday...south winds 15 to 25 kt becoming southeast to 30 kt.
snow. waves 4 to 7 ft occasionally to 9 ft building to 8 to 11 ft
occasionally to 14 ft. 
.sunday...northwest winds to 30 kt. chance of snow. waves 7 to
10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 260252
glflm 
expires:202511261030;;512861

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst tue nov 25 2025

for waters beyond 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 wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.5 inches is expected to cross the upper 
peninsula of michigan overnight into wednesday, deepening to 
around 29.3 inches. a cold front extending south of the low is 
expected to cross lake michigan tonight, turning winds southwest 
and increasing toward daybreak on wednesday. 

strong west to northwest winds will develop over the lake 
wednesday. expecting storm force gusts for the southern two 
thirds of the lake, where a storm warning is in effect. gale 
force gusts are expected for the northern one third, where a gale
warning is in effect. the strongest winds and highest waves 
should be on the east side of the lake. 

the strong winds veer northwest later wednesday and linger 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings remain in effect 
thursday into thursday night, as strong northwest winds continue.
winds gradually subside into friday, as high pressure around 30.4
inches builds into the region from the west.


lmz366-565-567-868-261030-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
852 pm cst tue nov 25 2025

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...storm warning in effect from 6 am cst wednesday through
wednesday evening...
...gale warning in effect from late wednesday night through
thursday evening...

.rest of tonight...south winds 5 to 10 kt increasing to 10 to
20 kt late this evening, then increasing to 30 kt after midnight
becoming southwest late. chance of rain through early evening,
then rain overnight. waves 1 ft or less building to 6 to 9 ft
occasionally to 12 ft. 
.wednesday...southwest winds to 30 kt becoming west gales to
40 kt late in the morning, then becoming northwest storm force
winds to 50 kt in the afternoon. rain in the morning, then rain
and snow in the afternoon. waves 12 to 16 ft occasionally to
21 ft building to 14 to 18 ft occasionally to 23 ft. 
.wednesday night...northwest storm force winds to 55 kt
diminishing to gales to 45 kt. snow in the evening, then chance
of snow overnight. waves 18 to 23 ft occasionally to 30 ft
subsiding to 14 to 18 ft occasionally to 23 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 14 to 18 ft occasionally to 23 ft. 
.thursday night...northwest gales to 35 kt diminishing to 30 kt.
chance of snow in the evening. waves 10 to 14 ft occasionally to
18 ft. 
.friday...northwest winds to 30 kt diminishing to 10 to 20 kt in
the afternoon. waves 7 to 10 ft occasionally to 13 ft subsiding
to 4 to 7 ft occasionally to 9 ft. 
.friday night...northwest winds 10 to 15 kt becoming west 5 to
10 kt. chance of snow. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...south winds 10 to 20 kt becoming southeast. snow
likely. waves 2 to 4 ft building to 5 to 8 ft occasionally to
10 ft. 
.sunday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 260252
glflm 
expires:202511261030;;512862

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst tue nov 25 2025

for waters beyond 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 wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.5 inches is expected to cross the upper 
peninsula of michigan overnight into wednesday, deepening to 
around 29.3 inches. a cold front extending south of the low is 
expected to cross lake michigan tonight, turning winds southwest 
and increasing toward daybreak on wednesday. 

strong west to northwest winds will develop over the lake 
wednesday. expecting storm force gusts for the southern two 
thirds of the lake, where a storm warning is in effect. gale 
force gusts are expected for the northern one third, where a gale
warning is in effect. the strongest winds and highest waves 
should be on the east side of the lake. 

the strong winds veer northwest later wednesday and linger 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings remain in effect 
thursday into thursday night, as strong northwest winds continue.
winds gradually subside into friday, as high pressure around 30.4
inches builds into the region from the west.


lmz080-669-671-673-675-777-779-870-872-874-876-878-261030-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
852 pm cst tue nov 25 2025

sheboygan wi to pentwater mi south...

...storm warning in effect from 6 am cst wednesday through
wednesday evening...
...gale warning in effect from late wednesday night through
thursday evening...

.rest of tonight...southwest winds 10 to 20 kt increasing to
gales to 35 kt. chance of rain. waves 1 to 2 ft building to 10 to
14 ft occasionally to 18 ft. 
.wednesday...southwest gales to 45 kt becoming west late in the
morning, then increasing to storm force winds to 50 kt early in
the afternoon becoming northwest storm force winds to 55 kt late.
rain with snow likely in the morning, then snow and slight chance
of rain in the afternoon. waves 12 to 16 ft occasionally to 21 ft
building to 20 to 25 ft occasionally to 33 ft. 
.wednesday night...northwest storm force winds to 55 kt
diminishing to gales to 45 kt. chance of snow. waves 25 to 30 ft
occasionally to 39 ft subsiding to 18 to 23 ft occasionally to
30 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 15 to 20 ft occasionally to 26 ft
subsiding to 14 to 18 ft occasionally to 23 ft. 
.thursday night...northwest gales to 40 kt diminishing to 30 kt
overnight. chance of snow. waves 14 to 18 ft occasionally to
23 ft. 
.friday...northwest winds to 30 kt diminishing to 15 to 25 kt.
chance of snow in the morning. waves 10 to 14 ft occasionally to
18 ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.friday night...west winds 10 to 15 kt becoming southwest. chance
of snow. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. snow.
waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft
occasionally to 12 ft. 
.sunday...northwest winds 15 to 25 kt increasing to 30 kt. chance
of rain and snow. waves 6 to 9 ft occasionally to 12 ft.  

$$