fzus63 kmkx 191341
glflm 
expires:202610192115;;365369

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
841 am cdt mon oct 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...

low pressure around 29.2 over the hudson bay will move east
through northern quebec today as high pressure of 30.4 inches over
the dakotas moves into the great lakes region. the light west to
southwest winds over the lake this morning will become light and 
variable tonight. these light and variable winds will persist
through tuesday afternoon. high pressure will remain across the
great lakes region through the rest of the week keeping winds
light across the lake. southerly winds develop tuesday evening and
persist through wednesday night becoming light and variable
thursday. 


lmz261-362-364-366-563-565-567-868-192115-
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-
841 am cdt mon oct 19 2026

sheboygan wi to pentwater mi north...

.rest of today...west winds 10 to 15 kt becoming northwest 5 to
10 kt late this morning, then veering to northeast early this
afternoon becoming east late. waves 3 to 5 ft subsiding to 1 to
3 ft. 
.tonight...northeast winds 10 to 15 kt becoming east 10 to 20 kt.
waves 1 to 2 ft. 
.tuesday...east winds 10 to 20 kt becoming southeast. waves 1 to
3 ft. 
.tuesday night...southeast winds 10 to 20 kt becoming south.
waves 1 to 3 ft. 
.wednesday...southwest winds 10 to 20 kt. waves 1 to 3 ft. 
.wednesday night...southwest winds 10 to 15 kt becoming west 5 to
10 kt. waves 1 to 2 ft. 
.thursday...northeast winds 5 to 10 kt. waves 1 ft or less. 
.friday...southeast winds 10 to 20 kt becoming south. waves 2 to
4 ft.  

$$

fzus63 kmkx 191341
glflm 
expires:202610192115;;365370

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
841 am cdt mon oct 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...

low pressure around 29.2 over the hudson bay will move east
through northern quebec today as high pressure of 30.4 inches over
the dakotas moves into the great lakes region. the light west to
southwest winds over the lake this morning will become light and 
variable tonight. these light and variable winds will persist
through tuesday afternoon. high pressure will remain across the
great lakes region through the rest of the week keeping winds
light across the lake. southerly winds develop tuesday evening and
persist through wednesday night becoming light and variable
thursday. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-192115-
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-
841 am cdt mon oct 19 2026

sheboygan wi to pentwater mi south...

.rest of today...southwest winds 10 to 15 kt diminishing to 5 to
10 kt early this afternoon, then becoming south late. waves 2 to
4 ft subsiding to 1 to 3 ft. 
.tonight...southeast winds 5 to 10 kt becoming east. waves 1 to
2 ft. 
.tuesday...east winds 5 to 10 kt. waves 1 ft or less. 
.tuesday night...east winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.wednesday...south winds 10 to 15 kt. waves 1 to 2 ft. 
.wednesday night...south winds 5 to 10 kt becoming southwest.
waves 1 to 2 ft. 
.thursday...east winds 5 to 10 kt. waves nearly calm. 
.friday...southeast winds 10 to 20 kt. waves 2 to 4 ft.  

$$