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Latest Great Lakes Marine Forecast by KMKX
Issued 4/1/2026 9:16 PM US/Central.
Valid through 4/2/2026 4:30 AM US/Central.
fzus63 kmkx 020216
glflm
expires:202604020930;;679834
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
916 pm cdt wed apr 1 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 northeast to east winds will increase through thursday
morning as high pressure of 30.7 remains near james bay and low
pressure of 29.4 inches approaches from the central plains. these
winds will then reach gale force thursday morning and through the
day as a warm front lifts northward over the lake.
easterly gales over the northern third of the lake will continue
through the day, while the southern two thirds may see a lull
during the afternoon as the warm front slowly moves in. then
southerly gales are expected over the southern two thirds during
the evening hours. a gale warning with two segments remains in
effect, with staggered end times, and it was expanded to include
the southern tip of the lake. thunderstorms are also expected
over the southern two thirds of lake michigan thursday afternoon
and evening. winds will abruptly shift to the west behind the cold
front thursday night.
beyond, winds become light and variable friday late morning into
friday afternoon before gusty northeast winds return ahead of a
low pressure of 29.8 inches on saturday.
lmz366-565-567-868-020930-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
916 pm cdt wed apr 1 2026
sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...
...gale warning in effect from 7 am cdt thursday through late
thursday night...
.rest of tonight...east winds to 30 kt diminishing to 15 to
25 kt. rain and chance of freezing rain overnight. waves 5 to 8
ft occasionally to 10 ft subsiding to 4 to 6 ft occasionally to 8
ft.
.thursday...east winds to 30 kt becoming southeast. gale force
gusts to 35 kt. rain showers in the morning, then rain showers
with a chance of thunderstorms in the afternoon. waves 5 to 8 ft
occasionally to 10 ft.
.thursday night...south winds to 30 kt with gale force gusts to 35
kt, becoming southwest to 30 kt overnight. rain showers with a
chance of thunderstorms in the evening, then chance of rain
showers overnight. waves 8 to 11 ft occasionally to 14 ft.
.friday...west winds 15 to 25 kt veering to north 10 to 15 kt in
the afternoon. waves 6 to 9 ft occasionally to 12 ft subsiding to
3 to 5 ft.
.friday night...northeast winds 10 to 20 kt becoming east. chance
of rain showers in the evening, then rain showers overnight.
waves 3 to 5 ft.
.saturday...southeast winds 10 to 20 kt veering to southwest
15 to 25 kt. rain showers in the morning, then chance of rain
showers in the afternoon. waves 4 to 6 ft occasionally to 8 ft.
.saturday night...west winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft.
.sunday...northwest winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft.
.monday...northwest winds 10 to 20 kt becoming north. waves 2 to
4 ft.
$$
(2/2)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/1/2026 9:16 PM US/Central.
Valid through 4/2/2026 4:30 AM US/Central.
fzus63 kmkx 020216
glflm
expires:202604020930;;679835
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
916 pm cdt wed apr 1 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 northeast to east winds will increase through thursday
morning as high pressure of 30.7 remains near james bay and low
pressure of 29.4 inches approaches from the central plains. these
winds will then reach gale force thursday morning and through the
day as a warm front lifts northward over the lake.
easterly gales over the northern third of the lake will continue
through the day, while the southern two thirds may see a lull
during the afternoon as the warm front slowly moves in. then
southerly gales are expected over the southern two thirds during
the evening hours. a gale warning with two segments remains in
effect, with staggered end times, and it was expanded to include
the southern tip of the lake. thunderstorms are also expected
over the southern two thirds of lake michigan thursday afternoon
and evening. winds will abruptly shift to the west behind the cold
front thursday night.
beyond, winds become light and variable friday late morning into
friday afternoon before gusty northeast winds return ahead of a
low pressure of 29.8 inches on saturday.
lmz080-669-671-673-675-777-779-870-872-874-876-878-020930-
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-
916 pm cdt wed apr 1 2026
sheboygan wi to pentwater mi south...
...gale warning in effect from 7 am cdt thursday through late
thursday night...
.rest of tonight...east winds to 30 kt. chance of rain late this
evening, then rain and slight chance of thunderstorms overnight.
waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft
occasionally to 10 ft.
.thursday...east gales to 35 kt becoming south. rain showers and
chance of thunderstorms. waves 5 to 8 ft occasionally to 10 ft.
.thursday night...south gales to 35 kt becoming southwest to
30 kt overnight. rain showers likely with a chance of
thunderstorms in the evening, then chance of rain showers
overnight. waves 6 to 9 ft occasionally to 12 ft building to 8 to
11 ft occasionally to 14 ft.
.friday...west winds 10 to 20 kt veering to northeast 10 to
15 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 2 to
4 ft.
.friday night...northeast winds 10 to 20 kt becoming east 15 to
25 kt. rain showers with a chance of thunderstorms. waves 3 to 5
ft.
.saturday...south winds 15 to 25 kt becoming southwest. rain
showers with a chance of thunderstorms in the morning, then
chance of rain showers in the afternoon. waves 4 to 6 ft
occasionally to 8 ft.
.saturday night...west winds to 30 kt. waves 7 to 10 ft
occasionally to 13 ft.
.sunday...northwest winds to 30 kt. waves 8 to 11 ft occasionally
to 14 ft.
.monday...northwest winds 10 to 20 kt. waves 2 to 4 ft.
$$
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