fzus63 kmkx 170223
glflm 
expires:202604170915;;496964

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
923 pm cdt thu apr 16 2026

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...

winds becoming light and variable tonight for a time as a weak 
surface ridge moves over the lake. dense fog will continue over 
the lake through this time. winds then come around to southerly 
tomorrow morning as a surface low of 29.5 inches approaches from 
the central plains. this surface low will quickly move from omaha 
to duluth from the morning into the afternoon. winds will become 
gusty and southeasterly friday night, and strong to severe storms 
will move east over the lake as a cold front sweeps through the 
area. winds then become northwesterly behind the cold front 
saturday morning. breezy northwesterly winds then continue 
saturday through sunday as the low then races northeast toward 
hudson bay. winds ease monday morning as high pressure move 
southeast over the upper great lakes.


lmz261-362-364-366-563-565-567-868-170915-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
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-
923 pm cdt thu apr 16 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 7 am cdt friday...

.rest of tonight...southeast winds 5 to 10 kt. patchy dense fog
late this evening, then widespread dense fog overnight. waves
1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 30 kt.
widespread dense fog in the morning, then patchy fog in the
afternoon. waves 1 to 2 ft building to 4 to 6 ft occasionally to
8 ft. 
.friday night...southeast winds to 30 kt veering to southwest
15 to 25 kt. patchy fog. rain showers likely with a chance of
thunderstorms in the evening, then chance of rain showers and
thunderstorms overnight. waves 4 to 7 ft occasionally to 9 ft. 
.saturday...northwest winds to 30 kt becoming west 15 to 25 kt.
chance of rain showers in the morning. waves 4 to 6 ft
occasionally to 8 ft. 
.saturday night...west winds 15 to 25 kt becoming northwest to
30 kt. waves 4 to 6 ft occasionally to 8 ft. 
.sunday...northwest winds to 30 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.sunday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft. 
.monday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 3 ft building to 2 to 4 ft. 
.tuesday...southwest gales to 35 kt diminishing to 15 to 25 kt.
waves 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 170223
glflm 
expires:202604170915;;496965

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
923 pm cdt thu apr 16 2026

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...

winds becoming light and variable tonight for a time as a weak 
surface ridge moves over the lake. dense fog will continue over 
the lake through this time. winds then come around to southerly 
tomorrow morning as a surface low of 29.5 inches approaches from 
the central plains. this surface low will quickly move from omaha 
to duluth from the morning into the afternoon. winds will become 
gusty and southeasterly friday night, and strong to severe storms 
will move east over the lake as a cold front sweeps through the 
area. winds then become northwesterly behind the cold front 
saturday morning. breezy northwesterly winds then continue 
saturday through sunday as the low then races northeast toward 
hudson bay. winds ease monday morning as high pressure move 
southeast over the upper great lakes.


lmz080-669-671-673-675-777-779-870-872-874-876-878-170915-
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-
923 pm cdt thu apr 16 2026

sheboygan wi to pentwater mi south...

...dense fog advisory in effect until 7 am cdt friday...

.rest of tonight...north winds 5 to 10 kt veering to south.
widespread dense fog. waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 30 kt.
widespread dense fog in the morning, then patchy fog in the
afternoon. waves 1 ft or less building to 4 to 6 ft occasionally
to 8 ft. 
.friday night...south winds to 30 kt veering to southwest 15 to
25 kt. chance of rain showers and thunderstorms in the evening,
then chance of rain showers overnight. patchy fog overnight.
waves 4 to 7 ft occasionally to 9 ft. 
.saturday...northwest winds to 30 kt becoming west 15 to 25 kt.
chance of rain showers in the morning. waves 4 to 7 ft
occasionally to 9 ft. 
.saturday night...west winds 10 to 20 kt increasing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.sunday...northwest winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.monday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft building to 2 to 4 ft. 
.tuesday...southwest winds to 30 kt diminishing to 15 to 25 kt.
waves 7 to 10 ft occasionally to 13 ft.  

$$