fzus63 kmkx 070015 aaa
glflm 
expires:202604070315;;950400

open lake forecast for lake michigan...updated
national weather service milwaukee/sullivan wi
715 pm cdt mon apr 6 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...

northwest gales have generally subsided over the northern 
portions of the lake. some moderate freezing spray is possible 
over the northern half of the lake this evening.

winds will decrease late tonight into tuesday, as high pressure 
around 30.5 inches moves across central lake michigan tuesday 
morning into the early afternoon. 

low pressure around 29.5 inches will then track along the 
canadian border tuesday night and wednesday, then track north of 
lake superior wednesday night into thursday morning. this will 
result in breezy south winds, which may increase to gale force. 
much weaker winds will then take hold by thursday afternoon and 
the remainder of the week.


lmz261-362-364-366-563-565-567-868-070315-
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-
715 pm cdt mon apr 6 2026

sheboygan wi to pentwater mi north...

.tonight...north winds to 30 kt diminishing to 10 to 20 kt. 
freezing spray this evening. scattered snow showers this evening. 
waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to 10 ft 
occasionally to 13 ft. 
.tuesday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to
3 ft. 
.tuesday night...south winds 10 to 20 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 12 to 16 ft
occasionally to 21 ft. 
.wednesday night...south gales to 40 kt becoming southwest. rain
showers. waves 12 to 16 ft occasionally to 21 ft. 
.thursday...southwest gales to 35 kt diminishing to 30 kt. waves
7 to 10 ft occasionally to 13 ft subsiding to 4 to 7 ft
occasionally to 9 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 3 ft. 
.friday...north winds 10 to 15 kt. waves 1 to 3 ft. 
.saturday...east winds 10 to 15 kt becoming southeast 5 to 10 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 070015 aaa
glflm 
expires:202604070315;;950401

open lake forecast for lake michigan...updated
national weather service milwaukee/sullivan wi
715 pm cdt mon apr 6 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...

northwest gales have generally subsided over the northern 
portions of the lake. some moderate freezing spray is possible 
over the northern half of the lake this evening.

winds will decrease late tonight into tuesday, as high pressure 
around 30.5 inches moves across central lake michigan tuesday 
morning into the early afternoon. 

low pressure around 29.5 inches will then track along the 
canadian border tuesday night and wednesday, then track north of 
lake superior wednesday night into thursday morning. this will 
result in breezy south winds, which may increase to gale force. 
much weaker winds will then take hold by thursday afternoon and 
the remainder of the week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-070315-
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-
715 pm cdt mon apr 6 2026

sheboygan wi to pentwater mi south...

.tonight...north winds to 30 kt diminishing to 15 to 25 kt.
scattered snow showers this evening, then isolated snow showers
overnight. waves 8 to 11 ft occasionally to 14 ft subsiding to
6 to 9 ft occasionally to 12 ft. 
.tuesday...north winds 10 to 20 kt diminishing to 5 to 10 kt late
in the morning, then becoming northeast early in the afternoon
becoming northeast 5 to 10 kt late. waves 5 to 8 ft occasionally
to 10 ft subsiding to 2 to 4 ft. 
.tuesday night...southeast winds 10 to 15 kt increasing to 10 to
20 kt after midnight, then becoming south 15 to 25 kt late. 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.
waves 10 to 14 ft occasionally to 18 ft. 
.wednesday night...south gales to 35 kt. chance of rain showers
in the evening, then rain showers likely overnight. waves 10 to
14 ft occasionally to 18 ft. 
.thursday...southwest winds to 30 kt diminishing to 15 to 25 kt.
chance of rain showers. waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.thursday night...south winds 10 to 20 kt backing to east 10 to
15 kt. chance of rain showers. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.friday...north winds 10 to 15 kt. chance of rain showers. waves
1 to 3 ft. 
.saturday...east winds 10 to 15 kt becoming northeast 5 to 10 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 061927
glflm 
expires:202604070430;;939970

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
227 pm cdt mon apr 6 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...

northwest gales are expected over the north half of the lake this
afternoon and early evening, as low pressure around 29.7 inches 
tracks across the northern great lakes, reaching the lower great 
lakes late tonight. a gale warning is now in effect. some moderate 
freezing spray is possible over the northern half of the lake 
this evening.

winds will decrease late tonight into tuesday as high pressure 
around 30.5 inches moves across central lake michigan tuesday
morning into the early afternoon. 

low pressure around 29.5 inches will then track along the 
canadian border tuesday night and wednesday, then track north of 
lake superior wednesday night into thursday morning. this will
result in breezy south winds which may increase to gale force.
much weaker winds will then take hold by thursday afternoon and
the remainder of the week.


lmz261-362-364-366-563-565-070430-
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-
227 pm cdt mon apr 6 2026

two rivers wi to manistee mi north...

...gale warning in effect until 7 pm cdt this evening...

.tonight...north gales to 35 kt diminishing to 10 to 20 kt.
freezing spray this evening. scattered snow showers this evening.
waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.tuesday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.tuesday night...south winds 10 to 20 kt increasing to 15 to
25 kt. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
chance of rain and snow showers in the morning. waves 8 to 12 ft
occasionally to 16 ft building to 10 to 14 ft occasionally to
18 ft. 
.wednesday night...south gales to 40 kt becoming southwest. rain
showers. waves 10 to 14 ft occasionally to 18 ft. 
.thursday...southwest gales to 35 kt diminishing to 30 kt. waves
8 to 11 ft occasionally to 14 ft subsiding to 5 to 8 ft
occasionally to 10 ft. 
.thursday night...northwest winds 10 to 20 kt veering to
northeast 5 to 10 kt. chance of rain showers. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.friday...north winds 5 to 10 kt. waves 1 to 3 ft. 
.saturday...southeast winds 5 to 10 kt becoming south 10 to
15 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 061927
glflm 
expires:202604070430;;939971

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
227 pm cdt mon apr 6 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...

northwest gales are expected over the north half of the lake this
afternoon and early evening, as low pressure around 29.7 inches 
tracks across the northern great lakes, reaching the lower great 
lakes late tonight. a gale warning is now in effect. some moderate 
freezing spray is possible over the northern half of the lake 
this evening.

winds will decrease late tonight into tuesday as high pressure 
around 30.5 inches moves across central lake michigan tuesday
morning into the early afternoon. 

low pressure around 29.5 inches will then track along the 
canadian border tuesday night and wednesday, then track north of 
lake superior wednesday night into thursday morning. this will
result in breezy south winds which may increase to gale force.
much weaker winds will then take hold by thursday afternoon and
the remainder of the week.


lmz567-868-070430-
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-
227 pm cdt mon apr 6 2026

two rivers wi to manistee mi south to sheboygan wi to pentwater
mi...

.tonight...north winds to 30 kt diminishing to 10 to 20 kt.
scattered snow showers this evening. waves 8 to 11 ft
occasionally to 14 ft subsiding to 7 to 10 ft occasionally to
13 ft. 
.tuesday...north winds 10 to 15 kt backing to south. waves 4 to
6 ft occasionally to 8 ft subsiding to 1 to 3 ft. 
.tuesday night...south winds 10 to 15 kt increasing to 15 to
25 kt. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft. 
.wednesday...south winds to 30 kt increasing to gales to 35 kt.
chance of rain showers in the morning. waves 10 to 14 ft
occasionally to 18 ft. 
.wednesday night...south gales to 40 kt becoming southwest. rain
showers in the evening, then rain showers likely overnight. waves
10 to 14 ft occasionally to 18 ft. 
.thursday...southwest winds to 30 kt diminishing to 15 to 25 kt.
waves 8 to 11 ft occasionally to 14 ft subsiding to 5 to 8 ft
occasionally to 10 ft. 
.thursday night...west winds 10 to 15 kt veering to northeast
5 to 10 kt. chance of rain showers. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.friday...north winds 5 to 10 kt increasing to 10 to 15 kt.
chance of rain showers. waves 1 to 3 ft. 
.saturday...east winds 5 to 10 kt. waves 1 to 3 ft.  

$$