fzus63 kmkx 270907
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open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 am cst thu nov 27 2025

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...

low pressure of 29.3 inches over eastern ontario will continue 
to exit through quebec today. winds have eased to high end gales 
and they will persist through at least late afternoon. the gale
warning may be able to end slightly earlier than its current end
time tonight. light westerly winds will set up across the lake 
friday night and become southerly by saturday morning. 

low pressure of 29.8 inches will track from eastern kansas 
saturday morning to the southern tip of lake michigan saturday 
night, and then reach lake huron by mid sunday while deepening to
29.7 inches. widespread, moderate to heavy snow will overspread 
the south half of lake michigan. southeast wind saturday will
become easterly and then westerly as the low crosses the great
lakes region. gales are not anticipated at this time, although a 
period of gusty northwest winds is expected sunday.


lmz080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-271630-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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 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 pentwater to manistee mi 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 cst thu nov 27 2025

sturgeon bay wi to point betsie mi south...

...gale warning in effect through this evening...

.today...northwest gales to 40 kt diminishing to gales to 35 kt.
chance of snow showers. waves 14 to 18 ft occasionally to 23 ft
subsiding to 12 to 16 ft occasionally to 21 ft. 
.tonight...northwest gales to 40 kt diminishing to gales to
35 kt. chance of snow showers. waves 14 to 18 ft occasionally to
23 ft. 
.friday...northwest winds to 30 kt diminishing to 10 to 20 kt.
chance of rain showers in the morning. waves 10 to 14 ft
occasionally to 18 ft subsiding to 7 to 10 ft occasionally to
13 ft. 
.friday night...northwest winds 10 to 20 kt becoming west 5 to
10 kt overnight. chance of snow. waves 4 to 6 ft occasionally to
8 ft subsiding to 2 to 4 ft. 
.saturday...south winds 10 to 20 kt becoming southeast 15 to
25 kt. snow likely in the morning, then snow in the afternoon.
waves 2 to 4 ft building to 6 to 9 ft occasionally to 12 ft. 
.saturday night...southeast winds to 30 kt diminishing to 15 to
25 kt. snow. waves 7 to 10 ft occasionally to 13 ft.
.sunday...north winds to 30 kt becoming northwest. snow. waves 12
to 16 ft occasionally to 21 ft. 
.monday...northwest winds 10 to 20 kt becoming west. waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft.  

$$