fzus63 kmkx 080216
glflm 
expires:202607080945;;596884

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
916 pm cdt tue jul 7 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 30.0 inches over lake mi and lower mi will 
shift southeast into the lower great lakes and the ohio valley for
wednesday. modest south southwest winds will develop tonight and 
continue on wednesday, as weak low pressure around 29.8 inches and
an accompanying cold front approaches from the northern great 
plains. modest southwest winds wednesday night will become 
northwest to north behind the frontal passage thursday into 
friday, with high pressure around 30.0 inches building into the 
the upper great lakes region.


lmz261-362-364-366-563-565-567-868-080945-
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-
916 pm cdt tue jul 7 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds 10 to 15 kt becoming south.
slight chance of showers overnight. waves 1 to 2 ft. 
.wednesday...south winds 10 to 15 kt becoming southwest 10 to
20 kt. chance of showers and slight chance of thunderstorms.
waves 1 to 2 ft. 
.wednesday night...south winds 10 to 20 kt veering to north 10 to
15 kt. showers likely with a chance of thunderstorms in the
evening, then chance of showers overnight. waves 1 to 3 ft.
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers in the morning. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt becoming north 15 to 25 kt
in the afternoon. waves 1 to 2 ft building to 1 to 3 ft. 
.friday night...northeast winds 10 to 20 kt becoming east 5 to
10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.saturday...southeast winds 5 to 10 kt veering to west 10 to
20 kt. waves 1 ft or less. 
.sunday...southwest winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 080216
glflm 
expires:202607080945;;596885

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
916 pm cdt tue jul 7 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 30.0 inches over lake mi and lower mi will 
shift southeast into the lower great lakes and the ohio valley for
wednesday. modest south southwest winds will develop tonight and 
continue on wednesday, as weak low pressure around 29.8 inches and
an accompanying cold front approaches from the northern great 
plains. modest southwest winds wednesday night will become 
northwest to north behind the frontal passage thursday into 
friday, with high pressure around 30.0 inches building into the 
the upper great lakes region.


lmz080-669-671-673-675-777-779-870-872-874-876-878-080945-
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-
916 pm cdt tue jul 7 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 5 to 10 kt becoming southwest.
waves 1 ft or less. 
.wednesday...southwest winds 5 to 10 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 20 kt becoming southwest.
chance of showers. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers in the morning, then chance of showers
and thunderstorms in the afternoon. waves 1 to 2 ft. 
.thursday night...north winds 10 to 15 kt. chance of showers and
thunderstorms in the evening, then chance of showers overnight.
waves 1 to 2 ft. 
.friday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 2 to 4 ft. 
.friday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt. waves 2 to 4 ft. 
.saturday...east winds 5 to 10 kt becoming north 10 to 20 kt.
waves 1 to 2 ft. 
.sunday...northeast winds 5 to 10 kt backing to southwest 10 to
20 kt. waves 1 ft or less.  

$$