fzus63 kmkx 191407
glflm 
expires:202603192130;;955509

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
907 am cdt thu mar 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...

weak low pressure around 29.8 inches will exit into quebec and
fill through the morning, with high pressure around 30.1 inches
settling in briefly this afternoon through tonight, with light and
variable winds. low pressure of 29.7 inches will progress through
the northern plains into lake superior tonight into friday, 
bringing steady southwesterly winds by daybreak friday. winds will
veer northwesterly as low pressure exits friday afternoon. high
pressure around 29.9 inches dominates friday night through
saturday, with light and variable winds expected. saturday night,
low pressure around 29.3 inches develops in the lee of the wyoming
rockies, turning winds southerly. low pressure ejects into the
great lakes region sunday, turning winds to northerly. gales may
become possible on sunday into sunday night. winds diminish again
into monday as low pressure exits to the east.



lmz261-362-364-366-563-565-567-868-192130-
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-
907 am cdt thu mar 19 2026

sheboygan wi to pentwater mi north...

.rest of today...northwest winds 5 to 10 kt veering to southeast.
waves 1 to 2 ft. 
.tonight...southeast winds 5 to 10 kt becoming south 10 to 15 kt
late in the evening, then increasing to 10 to 20 kt after
midnight becoming south 10 to 20 kt late. slight chance of rain
with a chance of light freezing rain overnight. waves 1 to 2 ft
building to 1 to 3 ft. 
.friday...southwest winds 10 to 20 kt becoming northwest 10 to
15 kt. waves 2 to 4 ft. 
.friday night...northwest winds 5 to 10 kt becoming west. waves
1 to 2 ft. 
.saturday...southwest winds 10 to 15 kt becoming south. waves
1 to 3 ft. 
.saturday night...east winds 10 to 15 kt becoming northeast 10 to
20 kt. chance of rain and snow. waves 2 to 4 ft building to 3 to
5 ft. 
.sunday...northeast winds 15 to 25 kt increasing to 30 kt. chance
of snow. waves 6 to 9 ft occasionally to 12 ft. 
.monday...north winds 15 to 25 kt becoming northwest 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft.  

$$

fzus63 kmkx 191407
glflm 
expires:202603192130;;955510

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
907 am cdt thu mar 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...

weak low pressure around 29.8 inches will exit into quebec and
fill through the morning, with high pressure around 30.1 inches
settling in briefly this afternoon through tonight, with light and
variable winds. low pressure of 29.7 inches will progress through
the northern plains into lake superior tonight into friday, 
bringing steady southwesterly winds by daybreak friday. winds will
veer northwesterly as low pressure exits friday afternoon. high
pressure around 29.9 inches dominates friday night through
saturday, with light and variable winds expected. saturday night,
low pressure around 29.3 inches develops in the lee of the wyoming
rockies, turning winds southerly. low pressure ejects into the
great lakes region sunday, turning winds to northerly. gales may
become possible on sunday into sunday night. winds diminish again
into monday as low pressure exits to the east.



lmz080-669-671-673-675-777-779-870-872-874-876-878-192130-
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-
907 am cdt thu mar 19 2026

sheboygan wi to pentwater mi south...

.rest of today...north winds less than 10 kt veering to east.
chance of rain through mid morning. waves 1 to 2 ft. 
.tonight...east winds 5 to 10 kt becoming southeast late in the
evening, then becoming south 10 to 15 kt after midnight
increasing to 10 to 20 kt late. waves 1 to 3 ft. 
.friday...southwest winds 10 to 20 kt veering to northwest 10 to
15 kt. waves 2 to 4 ft. 
.friday night...north winds 5 to 10 kt. waves 1 to 3 ft. 
.saturday...south winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday night...south winds 10 to 15 kt becoming west 10 to
20 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.sunday...north winds 15 to 25 kt increasing to 30 kt. chance of
rain. waves 5 to 8 ft occasionally to 10 ft building to 7 to
10 ft occasionally to 13 ft. 
.monday...north winds to 30 kt diminishing to 10 to 20 kt. waves
8 to 11 ft occasionally to 14 ft subsiding to 5 to 8 ft
occasionally to 10 ft.  

$$