fzus63 kmkx 071359
glflm 
expires:202604072115;;979456

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt tue apr 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...

gusty northerly winds will decrease through the morning as high 
pressure around 30.6 inches moves across central lake michigan 
into the early afternoon. low pressure around 29.5 inches will 
then track along the northern plains/canadian border tonight and 
wednesday, then track north of lake superior wednesday night into 
thursday morning. this will result in breezy southerly winds over
lake michigan on wednesday with gale force gusts up to 40 kt. a
gale watch is in effect for the northern three quarters of the
lake. 

much weaker winds will then take hold by thursday afternoon into
friday as high pressure around 30.4 inches slowly moves through 
the region.


lmz261-362-364-366-563-565-567-868-072115-
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-
859 am cdt tue apr 7 2026

sheboygan wi to pentwater mi north...

...gale watch in effect from wednesday morning through late
wednesday night...

.rest of today...northwest winds 10 to 15 kt backing to southwest
10 to 20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.tonight...south winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
chance of rain and snow showers in the morning. waves 7 to 10 ft
occasionally to 13 ft building to 12 to 16 ft occasionally to
21 ft. 
.wednesday night...south gales to 40 kt becoming southwest. rain
showers in the evening, then chance of rain showers overnight.
waves 12 to 16 ft occasionally to 21 ft. 
.thursday...southwest winds to 30 kt. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.thursday night...northwest winds 10 to 20 kt veering to
northeast 10 to 15 kt. chance of rain showers. waves 2 to 4 ft
subsiding to 1 to 2 ft. 
.friday...north winds 10 to 15 kt. waves 1 to 2 ft. 
.saturday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 071359
glflm 
expires:202604072115;;979457

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt tue apr 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...

gusty northerly winds will decrease through the morning as high 
pressure around 30.6 inches moves across central lake michigan 
into the early afternoon. low pressure around 29.5 inches will 
then track along the northern plains/canadian border tonight and 
wednesday, then track north of lake superior wednesday night into 
thursday morning. this will result in breezy southerly winds over
lake michigan on wednesday with gale force gusts up to 40 kt. a
gale watch is in effect for the northern three quarters of the
lake. 

much weaker winds will then take hold by thursday afternoon into
friday as high pressure around 30.4 inches slowly moves through 
the region.


lmz669-671-673-870-872-874-072115-
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 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-
859 am cdt tue apr 7 2026

sheboygan wi to pentwater mi south to wind point wi to holland
mi...

...gale watch in effect from wednesday morning through late
wednesday night...

.rest of today...north winds 10 to 15 kt diminishing to 5 to
10 kt late this morning, then becoming north 5 to 10 kt early
this afternoon becoming east late. waves 4 to 6 ft occasionally
to 8 ft subsiding to 1 to 3 ft. 
.tonight...south winds 10 to 15 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
chance of rain showers in the morning. waves 7 to 10 ft
occasionally to 13 ft building to 10 to 14 ft occasionally to
18 ft. 
.wednesday night...south gales to 35 kt becoming southwest.
chance of rain showers in the evening, then rain showers
overnight. waves 10 to 14 ft occasionally to 18 ft. 
.thursday...southwest winds 15 to 25 kt. waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft. 
.thursday night...south winds 10 to 20 kt backing to northeast
10 to 15 kt. chance of rain showers. waves 1 to 3 ft subsiding to
1 to 2 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming southeast. waves 1 to
2 ft.  

$$

fzus63 kmkx 071359
glflm 
expires:202604072115;;979458

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
859 am cdt tue apr 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...

gusty northerly winds will decrease through the morning as high 
pressure around 30.6 inches moves across central lake michigan 
into the early afternoon. low pressure around 29.5 inches will 
then track along the northern plains/canadian border tonight and 
wednesday, then track north of lake superior wednesday night into 
thursday morning. this will result in breezy southerly winds over
lake michigan on wednesday with gale force gusts up to 40 kt. a
gale watch is in effect for the northern three quarters of the
lake. 

much weaker winds will then take hold by thursday afternoon into
friday as high pressure around 30.4 inches slowly moves through 
the region.


lmz080-675-777-779-876-878-072115-
lake michigan from michigan city in to st. joseph mi 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 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-
859 am cdt tue apr 7 2026

wind point wi to holland mi south...

.rest of today...north winds 10 to 15 kt becoming northeast.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.tonight...northeast winds 5 to 10 kt becoming southeast late in
the evening, then becoming 10 to 20 kt after midnight increasing
to 15 to 25 kt late. waves 1 to 3 ft building to 3 to 5 ft. 
.wednesday...south winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft. 
.wednesday night...south winds to 30 kt. rain showers likely
overnight. waves 6 to 9 ft occasionally to 12 ft. 
.thursday...southwest winds 15 to 25 kt. chance of rain showers
in the morning. waves 4 to 7 ft occasionally to 9 ft subsiding to
2 to 4 ft. 
.thursday night...south winds 10 to 15 kt becoming southeast.
rain showers likely. waves 1 to 2 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming northeast. waves 1 to
2 ft.  

$$