fzus63 kmkx 162047
glflm 
expires:202601170415;;000664

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 pm cst fri jan 16 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...

breezy southwest winds continue as low pressure around 29.4 inches 
over western ontario swings into northern lake michigan this 
evening. the low will move into northern lake huron tonight and 
continue into eastern ontario by saturday. as this low moves through 
a cold front will move across the lake turning winds to the west. 
west to northwest winds will persist through saturday night. 

another low pressure system around 29.4 inches will track from 
alberta into lake superior sunday afternoon and evening. winds will 
turn to southwesterly and increase ahead of this system. a few gusts 
will approach gales sunday afternoon and evening. a cold front will 
move across the lake late sunday evening causing winds to further 
increase and turn to westerly. gales will become increasing likely 
sunday night into monday. 

as the low moves east into eastern ontario monday, strong northwest 
to west winds are expected with building waves. the pressure 
gradient will further tighten as a high around 30.5 inches 
follows on the heels of the exiting low. gales are likely during 
this time. freezing spray will also be expected as arctic air 
settles over the great lakes region. some heavy freezing spray is 
possible sunday night into monday. 

monday night into tuesday winds will begin to diminish and turn to 
southwesterly ahead of another low pressure system around 
29.9 inches tracking from alberta towards the great lakes.


lmz261-362-364-366-563-565-567-868-170415-
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-
247 pm cst fri jan 16 2026

sheboygan wi to pentwater mi north...

.tonight...west winds 10 to 20 kt becoming northwest. chance of
snow showers this evening, then chance of snow overnight. waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. 
.saturday...west winds 10 to 20 kt becoming northwest. chance of
snow. waves 3 to 5 ft. 
.saturday night...northwest winds 10 to 20 kt becoming west.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday...west winds 15 to 25 kt becoming southwest to 30 kt.
freezing spray in the afternoon. snow likely in the afternoon.
waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft
occasionally to 12 ft. 
.sunday night...west gales to 35 kt increasing to gales to 40 kt.
freezing spray in the evening, then heavy freezing spray
overnight. snow likely in the evening, then chance of snow
overnight. waves 8 to 11 ft occasionally to 14 ft building to
10 to 14 ft occasionally to 18 ft. 
.monday...northwest gales to 45 kt diminishing to gales to 40 kt.
heavy freezing spray. chance of snow. waves 10 to 14 ft
occasionally to 18 ft. 
.monday night...west gales to 35 kt diminishing to 30 kt. heavy
freezing spray. waves 8 to 11 ft occasionally to 14 ft subsiding
to 7 to 10 ft occasionally to 13 ft. 
.tuesday...west winds to 30 kt. heavy freezing spray. waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.wednesday...west winds 10 to 20 kt becoming northwest. chance of
snow. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 162047
glflm 
expires:202601170415;;000665

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
247 pm cst fri jan 16 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...

breezy southwest winds continue as low pressure around 29.4 inches 
over western ontario swings into northern lake michigan this 
evening. the low will move into northern lake huron tonight and 
continue into eastern ontario by saturday. as this low moves through 
a cold front will move across the lake turning winds to the west. 
west to northwest winds will persist through saturday night. 

another low pressure system around 29.4 inches will track from 
alberta into lake superior sunday afternoon and evening. winds will 
turn to southwesterly and increase ahead of this system. a few gusts 
will approach gales sunday afternoon and evening. a cold front will 
move across the lake late sunday evening causing winds to further 
increase and turn to westerly. gales will become increasing likely 
sunday night into monday. 

as the low moves east into eastern ontario monday, strong northwest 
to west winds are expected with building waves. the pressure 
gradient will further tighten as a high around 30.5 inches 
follows on the heels of the exiting low. gales are likely during 
this time. freezing spray will also be expected as arctic air 
settles over the great lakes region. some heavy freezing spray is 
possible sunday night into monday. 

monday night into tuesday winds will begin to diminish and turn to 
southwesterly ahead of another low pressure system around 
29.9 inches tracking from alberta towards the great lakes.


lmz080-669-671-673-675-777-779-870-872-874-876-878-170415-
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-
247 pm cst fri jan 16 2026

sheboygan wi to pentwater mi south...

.tonight...west winds 15 to 25 kt. snow showers likely this
evening, then chance of snow overnight. waves 5 to 8 ft
occasionally to 10 ft. 
.saturday...west winds 15 to 25 kt. freezing spray. snow likely
in the morning, then chance of snow in the afternoon. waves 5 to
8 ft occasionally to 10 ft. 
.saturday night...west winds 15 to 25 kt. chance of snow.
freezing spray overnight. waves 5 to 8 ft occasionally to 10 ft. 
.sunday...southwest winds 15 to 25 kt increasing to 30 kt.
freezing spray. chance of snow in the morning, then snow likely
in the afternoon. waves 5 to 8 ft occasionally to 10 ft building
to 7 to 10 ft occasionally to 13 ft. 
.sunday night...west gales to 35 kt increasing to gales to 45 kt
overnight. freezing spray in the evening, then heavy freezing
spray overnight. chance of snow. waves 8 to 12 ft occasionally to
16 ft building to 12 to 16 ft occasionally to 21 ft. 
.monday...west gales to 45 kt diminishing to gales to 40 kt.
heavy freezing spray. chance of snow. waves 12 to 16 ft
occasionally to 21 ft. 
.monday night...west gales to 35 kt diminishing to 30 kt. heavy
freezing spray. waves 10 to 14 ft occasionally to 18 ft. 
.tuesday...west winds to 30 kt. freezing spray. waves 8 to 11 ft
occasionally to 14 ft subsiding to 6 to 9 ft occasionally to
12 ft. 
.wednesday...west winds 15 to 25 kt diminishing to 10 to 20 kt.
chance of snow. waves 4 to 7 ft occasionally to 9 ft.  

$$