fzus63 kmkx 270809
glflm 
expires:202606271515;;982823

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cdt sat jun 27 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...

high pressure around 30.1 inches is expected to linger across the
great lakes through tonight, with light north to northeast winds.
patchy fog is possible, especially across the northern two-thirds
of the lake. low pressure will deepen to 29.3 inches over the
central plains sunday, shifting winds to southeasterly. winds
shift southerly and increase into monday as low pressure lifts
into the canadian prairies. gusty southerly winds will continue
through at least wednesday as low pressure stalls, but gales are
not expected at this time.


lmz261-362-364-366-563-565-567-868-271515-
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-
309 am cdt sat jun 27 2026

sheboygan wi to pentwater mi north...

.today...northeast winds 5 to 10 kt becoming north 10 to 20 kt
this afternoon. patchy fog this morning. waves 1 to 2 ft. 
.tonight...northeast winds 10 to 20 kt diminishing to 5 to 10 kt
late in the evening, then becoming east after midnight becoming
southeast 10 to 15 kt late. waves 1 to 2 ft. 
.sunday...southeast winds 10 to 15 kt becoming east 10 to 20 kt.
waves 1 to 3 ft. 
.sunday night...east winds 10 to 20 kt becoming southeast to
30 kt overnight. chance of showers in the evening, then showers
likely overnight. waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft. 
.monday...southeast winds to 30 kt becoming south. chance of
showers in the morning. waves 4 to 7 ft occasionally to 9 ft
building to 5 to 8 ft occasionally to 10 ft. 
.monday night...south winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.tuesday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.wednesday...southwest winds 15 to 25 kt becoming south. waves
3 to 5 ft.  

$$

fzus63 kmkx 270809
glflm 
expires:202606271515;;982824

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cdt sat jun 27 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...

high pressure around 30.1 inches is expected to linger across the
great lakes through tonight, with light north to northeast winds.
patchy fog is possible, especially across the northern two-thirds
of the lake. low pressure will deepen to 29.3 inches over the
central plains sunday, shifting winds to southeasterly. winds
shift southerly and increase into monday as low pressure lifts
into the canadian prairies. gusty southerly winds will continue
through at least wednesday as low pressure stalls, but gales are
not expected at this time.


lmz080-669-671-673-675-777-779-870-872-874-876-878-271515-
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-
309 am cdt sat jun 27 2026

sheboygan wi to pentwater mi south...

.today...east winds 10 to 15 kt becoming north 10 to 20 kt. waves
1 to 2 ft. 
.tonight...north winds 10 to 20 kt veering to east 10 to 15 kt.
waves 1 to 3 ft. 
.sunday...southeast winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday night...southeast winds 15 to 25 kt increasing to 30 kt.
chance of showers overnight. waves 3 to 5 ft building to 4 to
7 ft occasionally to 9 ft. 
.monday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft building to 5 to 8 ft occasionally to 10 ft. 
.monday night...south winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
4 to 6 ft occasionally to 8 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft.  

$$