fzus63 kmkx 042054
glflm 
expires:202611050415;;266578

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
254 pm cst wed nov 4 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...

low pressure around 29.5 inches in northern mn/wi will slowly 
lifting across lake superior this evening. breezy southwest to
south winds with gusts up to 30 knots will persist through 
tonight. as the ow pressure continues northeast through 
ontario/quebec thursday, it will drag a cold front across lake 
michigan thursday afternoon/evening. southwest winds will gradually
turn westerly as the cold front approaches thursday afternoon 
before increasing and shifting northerly overnight into friday. a
gale warning is in effect for all of lake michigan thursday
afternoon into friday evening. northwest to north gales are 
expected to develop across the northern third and spreed down the 
lake with time. its possible that far southern open water zones do
not see gales until thursday night. then high pressure around 
30.3 inches is progged to build across the upper great lake region
through the weekend bringing lighter northwesterly winds.


lmz261-362-364-366-563-565-567-868-050415-
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-
254 pm cst wed nov 4 2026

sheboygan wi to pentwater mi north...

...gale warning in effect from thursday afternoon through friday
afternoon...

.tonight...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of sprinkles and slight chance of rain. waves 4 to 7 ft
occasionally to 9 ft. 
.thursday...southwest winds 15 to 25 kt becoming northwest to
30 kt early in the afternoon, then increasing to gales to 35 kt
late. rain likely in the morning, then chance of rain in the
afternoon. waves 4 to 7 ft occasionally to 9 ft building to 5 to
8 ft occasionally to 10 ft. 
.thursday night...north gales to 35 kt. chance of rain. waves
8 to 11 ft occasionally to 14 ft. 
.friday...north gales to 35 kt. rain likely in the morning, then
chance of rain in the afternoon. waves 8 to 11 ft occasionally to
14 ft. 
.friday night...north winds to 30 kt diminishing to 10 to 20 kt
overnight. waves 5 to 8 ft occasionally to 10 ft subsiding to
3 to 5 ft. 
.saturday...north winds 10 to 20 kt becoming northwest. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.saturday night...west winds 10 to 20 kt. waves 1 to 3 ft
building to 2 to 4 ft. 
.sunday...west winds 15 to 25 kt. waves 3 to 5 ft. 
.monday...west winds 15 to 25 kt becoming southwest to 30 kt.
waves 2 to 4 ft building to 3 to 5 ft.  

$$

fzus63 kmkx 042054
glflm 
expires:202611050415;;266579

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
254 pm cst wed nov 4 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...

low pressure around 29.5 inches in northern mn/wi will slowly 
lifting across lake superior this evening. breezy southwest to
south winds with gusts up to 30 knots will persist through 
tonight. as the ow pressure continues northeast through 
ontario/quebec thursday, it will drag a cold front across lake 
michigan thursday afternoon/evening. southwest winds will gradually
turn westerly as the cold front approaches thursday afternoon 
before increasing and shifting northerly overnight into friday. a
gale warning is in effect for all of lake michigan thursday
afternoon into friday evening. northwest to north gales are 
expected to develop across the northern third and spreed down the 
lake with time. its possible that far southern open water zones do
not see gales until thursday night. then high pressure around 
30.3 inches is progged to build across the upper great lake region
through the weekend bringing lighter northwesterly winds.


lmz080-669-671-673-675-777-779-870-872-874-876-878-050415-
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-
254 pm cst wed nov 4 2026

sheboygan wi to pentwater mi south...

...gale warning in effect from thursday afternoon through friday
afternoon...

.tonight...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of sprinkles and slight chance of rain overnight. waves
5 to 8 ft occasionally to 10 ft. 
.thursday...southwest winds 15 to 25 kt becoming west to 30 kt.
chance of rain. waves 5 to 8 ft occasionally to 10 ft. 
.thursday night...northwest gales to 35 kt becoming north. chance
of rain. waves 6 to 9 ft occasionally to 12 ft building to 8 to
11 ft occasionally to 14 ft. 
.friday...north gales to 35 kt. rain likely in the morning, then
chance of rain in the afternoon. waves 8 to 12 ft occasionally to
16 ft. 
.friday night...north winds to 30 kt diminishing to 15 to 25 kt.
waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.saturday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.saturday night...west winds 10 to 20 kt. waves 2 to 4 ft
building to 3 to 5 ft. 
.sunday...west winds 15 to 25 kt. waves 4 to 6 ft occasionally to
8 ft. 
.monday...west winds 10 to 20 kt becoming southwest 15 to 25 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.  

$$