fzus63 kmkx 061949
glflm 
expires:202607070315;;527422

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
249 pm cdt mon jul 6 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 will remain in place over the 
upper great lakes through tuesday. expect steady north to 
northeast winds to become light and variable later tonight into 
tuesday. southwest winds will increase tuesday night and become 
gusty on wednesday as weak low pressure around 29.8 inches and an 
accompanying cold front approaches from the northern plains. winds
will become northerly behind the frontal passage thursday 
afternoon into friday, with high pressure around 30.1 inches 
building into the the upper great lakes region through the end of 
the week.


lmz261-362-364-366-563-565-567-868-070315-
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-
249 pm cdt mon jul 6 2026

sheboygan wi to pentwater mi north...

.tonight...north winds 15 to 25 kt becoming northeast 10 to 15 kt
late this evening, then diminishing to 5 to 10 kt after midnight
backing to west late. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.tuesday...south winds 5 to 10 kt becoming southwest. waves 1 to
2 ft. 
.tuesday night...southwest winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south. chance
of showers. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday night...southwest winds 10 to 20 kt becoming west.
showers likely with a chance of thunderstorms in the evening,
then showers with a chance of thunderstorms overnight. waves 2 to
4 ft. 
.thursday...northwest winds 10 to 20 kt becoming north. chance of
showers in the morning, then chance of showers and thunderstorms
in the afternoon. waves 1 to 3 ft. 
.thursday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.saturday...southeast winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 ft or less.  

$$

fzus63 kmkx 061949
glflm 
expires:202607070315;;527423

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
249 pm cdt mon jul 6 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 will remain in place over the 
upper great lakes through tuesday. expect steady north to 
northeast winds to become light and variable later tonight into 
tuesday. southwest winds will increase tuesday night and become 
gusty on wednesday as weak low pressure around 29.8 inches and an 
accompanying cold front approaches from the northern plains. winds
will become northerly behind the frontal passage thursday 
afternoon into friday, with high pressure around 30.1 inches 
building into the the upper great lakes region through the end of 
the week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-070315-
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-
249 pm cdt mon jul 6 2026

sheboygan wi to pentwater mi south...

.tonight...north winds 15 to 25 kt diminishing to 5 to 10 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tuesday...north winds 5 to 10 kt becoming northwest. waves 1 to
2 ft. 
.tuesday night...southwest winds 5 to 10 kt. waves 1 ft or less. 
.wednesday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday night...south winds 10 to 20 kt becoming southwest.
chance of showers. waves 2 to 4 ft. 
.thursday...southwest winds 10 to 20 kt. showers likely in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. waves 1 to 3 ft. 
.thursday night...northwest winds 10 to 20 kt becoming north
10 to 15 kt. chance of showers and thunderstorms. waves 1 to
3 ft. 
.friday...north winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...east winds 10 to 15 kt becoming northeast 10 to
20 kt. waves 1 to 2 ft.  

$$