fzus63 kmkx 172041
glflm 
expires:202601180430;;060072

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cst sat jan 17 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 29.7 inches will continue to move away across
southern quebec tonight with a trailing cold front moving across 
lake michigan. modest to brisk west to northwest winds are
expected. 

another low pressure system around 29.9 inches will track from 
northwest minnesota sunday morning to slowly across the northern 
great lakes through monday and deepen to 29.6 inches as it does
so. an arctic front will then move across the lake early monday
morning with northwest gales and heavy freezing spray possible. a 
gale watch is in effect for all of lake michigan from early monday
morning and through the day. a heavy freezing spray watch is in
effect from early monday morning through tuesday morning. westerly
winds will then gradually weaken monday night and tuesday. 


lmz261-362-364-366-563-565-567-868-180430-
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-
241 pm cst sat jan 17 2026

sheboygan wi to pentwater mi north...

...gale watch in effect from late sunday night through monday
afternoon...
...heavy freezing spray watch in effect from late sunday night
through tuesday morning...

.tonight...northwest winds 10 to 20 kt. slight chance of snow
this evening, then chance of snow overnight. waves 3 to 5 ft. 
.sunday...west winds 10 to 20 kt becoming southwest. chance of
snow in the morning, then snow in the afternoon. waves 4 to 6 ft
occasionally to 8 ft. 
.sunday night...west winds 10 to 20 kt becoming northwest to
30 kt after midnight, then increasing to gales to 40 kt late.
snow in the evening, then snow likely overnight. heavy freezing
spray overnight. waves 4 to 7 ft occasionally to 9 ft building to
8 to 12 ft occasionally to 16 ft. 
.monday...northwest gales to 40 kt diminishing to gales to 35 kt.
heavy freezing spray. chance of snow. waves 10 to 14 ft
occasionally to 18 ft. 
.monday night...west winds to 30 kt. heavy freezing spray. waves
7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.tuesday...west winds to 30 kt. heavy freezing spray in the
morning. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.tuesday night...southwest winds 15 to 25 kt becoming west 10 to
20 kt. chance of snow. waves 4 to 7 ft occasionally to 9 ft. 
.wednesday...west winds 15 to 25 kt increasing to 30 kt. chance
of snow. waves 5 to 8 ft occasionally to 10 ft. 
.thursday...west winds to 30 kt. heavy freezing spray. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft.  

$$

fzus63 kmkx 172041
glflm 
expires:202601180430;;060073

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cst sat jan 17 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 29.7 inches will continue to move away across
southern quebec tonight with a trailing cold front moving across 
lake michigan. modest to brisk west to northwest winds are
expected. 

another low pressure system around 29.9 inches will track from 
northwest minnesota sunday morning to slowly across the northern 
great lakes through monday and deepen to 29.6 inches as it does
so. an arctic front will then move across the lake early monday
morning with northwest gales and heavy freezing spray possible. a 
gale watch is in effect for all of lake michigan from early monday
morning and through the day. a heavy freezing spray watch is in
effect from early monday morning through tuesday morning. westerly
winds will then gradually weaken monday night and tuesday. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-180430-
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-
241 pm cst sat jan 17 2026

sheboygan wi to pentwater mi south...

...gale watch in effect from late sunday night through monday
afternoon...
...heavy freezing spray watch in effect from late sunday night
through tuesday morning...

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

$$