fzus63 kmkx 190807
glflm 
expires:202607191515;;222579

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cdt sun jul 19 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...

wildfire smoke has returned to lake michigan and may become dense
once at times, reducing visibilites to 1 nautical miles.a marine 
dense smoke advisory is in effect across lake michigan into early 
monday morning.

light north to northeast will continue until a high pressure 
around 30.1 inches moves over the northern great lakes. as the 
high move through today, light and variable winds are expected. gusty
south to southwest winds may then develop monday into monday 
night, with gusty west to northwest winds possible into the middle
of next week. a few southerly gales are possible monday afternoon
and evening, with a few northwest gales possible tuesday night 
into wednesday.


lmz261-362-364-366-563-565-567-868-191515-
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-
307 am cdt sun jul 19 2026

sheboygan wi to pentwater mi north...

...dense smoke advisory in effect until 7 am cdt monday...

.today...northeast winds 5 to 10 kt becoming east late this
morning, then veering to south 10 to 20 kt early this afternoon
becoming southwest late. areas of smoke this morning, then patchy
smoke this afternoon. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.tonight...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
patchy smoke. chance of showers overnight. waves 2 to 4 ft. 
.monday...southwest winds 15 to 25 kt becoming south gales to
35 kt. areas of smoke in the morning, then patchy smoke in the
afternoon. chance of showers in the afternoon. waves 2 to 4 ft
building to 6 to 9 ft occasionally to 12 ft. 
.monday night...south gales to 35 kt becoming southwest to 30 kt.
patchy smoke in the evening. showers with a chance of
thunderstorms in the evening, then chance of showers and
thunderstorms overnight. waves 6 to 9 ft occasionally to 12 ft. 
.tuesday...northwest winds to 30 kt increasing to gales to 35 kt.
chance of thunderstorms in the morning. waves 4 to 7 ft
occasionally to 9 ft. 
.tuesday night...north gales to 35 kt. waves 7 to 10 ft
occasionally to 13 ft. 
.wednesday...north winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.thursday...west winds 10 to 20 kt becoming southwest 15 to
25 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 190807
glflm 
expires:202607191515;;222580

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cdt sun jul 19 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...

wildfire smoke has returned to lake michigan and may become dense
once at times, reducing visibilites to 1 nautical miles.a marine 
dense smoke advisory is in effect across lake michigan into early 
monday morning.

light north to northeast will continue until a high pressure 
around 30.1 inches moves over the northern great lakes. as the 
high move through today, light and variable winds are expected. gusty
south to southwest winds may then develop monday into monday 
night, with gusty west to northwest winds possible into the middle
of next week. a few southerly gales are possible monday afternoon
and evening, with a few northwest gales possible tuesday night 
into wednesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-191515-
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-
307 am cdt sun jul 19 2026

sheboygan wi to pentwater mi south...

...dense smoke advisory in effect until 7 am cdt monday...

.today...northeast winds 5 to 10 kt increasing to 10 to 20 kt
early this afternoon, then becoming north late. areas of smoke
this morning, then patchy smoke this afternoon. waves 3 to 5 ft
subsiding to 1 to 2 ft. 
.tonight...north winds 10 to 20 kt veering to southeast 5 to
10 kt late in the evening, then becoming south after midnight
becoming south 10 to 15 kt late. patchy smoke. waves 1 to 2 ft. 
.monday...southwest winds 10 to 20 kt becoming south to 30 kt.
areas of smoke in the morning, then patchy smoke in the
afternoon. waves 1 to 3 ft building to 5 to 8 ft occasionally to
10 ft. 
.monday night...southwest winds to 30 kt. patchy smoke in the
evening. showers with a chance of thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
waves 5 to 8 ft occasionally to 10 ft. 
.tuesday...west winds to 30 kt becoming northwest. waves 5 to
8 ft occasionally to 10 ft. 
.tuesday night...north gales to 35 kt diminishing to 30 kt. waves
8 to 11 ft occasionally to 14 ft. 
.wednesday...north winds to 30 kt. waves 8 to 11 ft occasionally
to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft. 
.thursday...west winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 3 ft.  

$$