(1/2)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/9/2026 2:41 PM US/Central.
Valid through 2/9/2026 10:15 PM US/Central.
fzus63 kmkx 092041
glflm
expires:202602100415;;364000
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cst mon feb 9 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...
brisk southerly winds will linger over lake michigan into
tonight, as low pressure around 29.6 inches crosses northern
ontario. a cold front will cross lake michigan later tonight into
early tuesday, bringing brisk west to northwest winds tuesday
through wednesday.
high pressure around 30.3 inches will cross the great lakes
wednesday night into thursday, bringing lighter winds. winds
should remain light thursday night into saturday.
lmz261-362-364-366-563-565-567-868-100415-
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 mon feb 9 2026
sheboygan wi to pentwater mi north...
.tonight...south winds 15 to 25 kt becoming southwest 10 to
20 kt. scattered snow showers with possible freezing rain and
rain showers this evening, then scattered snow showers with a
chance of light freezing rain overnight. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.tuesday...west winds 10 to 20 kt becoming northwest 15 to 25 kt.
waves 4 to 7 ft occasionally to 9 ft.
.tuesday night...northwest winds 15 to 25 kt increasing to 30 kt.
waves 5 to 8 ft occasionally to 10 ft.
.wednesday...northwest winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.wednesday night...northwest winds 10 to 20 kt diminishing to
10 to 15 kt. waves 3 to 5 ft.
.thursday...north winds 5 to 10 kt becoming northwest. waves 1 to
3 ft.
.thursday night...southwest winds 5 to 10 kt increasing to 10 to
15 kt. waves 1 to 2 ft.
.friday...southwest winds 10 to 15 kt. waves 1 to 3 ft.
.saturday...southwest winds 10 to 15 kt becoming south. waves
2 to 4 ft.
$$
(2/2)
Latest Great Lakes Marine Forecast by KMKX
Issued 2/9/2026 2:41 PM US/Central.
Valid through 2/9/2026 10:15 PM US/Central.
fzus63 kmkx 092041
glflm
expires:202602100415;;364001
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
241 pm cst mon feb 9 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...
brisk southerly winds will linger over lake michigan into
tonight, as low pressure around 29.6 inches crosses northern
ontario. a cold front will cross lake michigan later tonight into
early tuesday, bringing brisk west to northwest winds tuesday
through wednesday.
high pressure around 30.3 inches will cross the great lakes
wednesday night into thursday, bringing lighter winds. winds
should remain light thursday night into saturday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-100415-
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 mon feb 9 2026
sheboygan wi to pentwater mi south...
.tonight...south winds 10 to 20 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft.
.tuesday...west winds 15 to 25 kt becoming northwest. waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft.
.tuesday night...northwest winds 15 to 25 kt. waves 6 to 9 ft
occasionally to 12 ft.
.wednesday...northwest winds 15 to 25 kt. waves 6 to 9 ft
occasionally to 12 ft.
.wednesday night...northwest winds 10 to 20 kt becoming north
10 to 15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft.
.thursday...north winds 5 to 10 kt becoming northeast. waves 1 to
3 ft.
.thursday night...southeast winds 5 to 10 kt becoming south.
waves 1 to 2 ft.
.friday...south winds 10 to 15 kt. waves 1 to 3 ft.
.saturday...south winds 10 to 20 kt becoming southeast 10 to
15 kt. waves 2 to 4 ft.
$$
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