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(1/3)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/3/2025 3:30 AM US/Central.
Valid through 4/3/2025 10:30 AM US/Central.
fzus63 kmkx 030830
glflm
expires:202504031530;;668408
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
330 am cdt thu apr 3 2025
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 of 29.3 inches over lake superior will pull away to
the northeast today, while high pressure of 30.2 inches begins to
build in from the west. gusty west to southwest winds are expected
today as a result, especially this morning into early afternoon
when a gale warning is in effect. lighter winds are expected
friday under the high, as it strengthens to 30.4 inches. breezy
winds are expected at times over the weekend as low pressure and a
cold front swing through the region.
lmz567-868-031530-
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-
330 am cdt thu apr 3 2025
two rivers wi to manistee mi south to sheboygan wi to pentwater
mi...
.today...west winds to 30 kt becoming southwest 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.tonight...west winds 10 to 15 kt veering to north 5 to 10 kt.
waves 2 to 4 ft subsiding to 1 to 2 ft.
.friday...northeast winds 5 to 10 kt becoming north 10 to 15 kt.
waves 1 to 2 ft.
.friday night...northeast winds 10 to 15 kt. chance of rain.
waves 1 to 3 ft.
.saturday...north winds 10 to 20 kt. waves 2 to 4 ft.
.saturday night...north winds 10 to 15 kt. waves 1 to 3 ft.
.sunday...northwest winds 10 to 20 kt. waves 1 to 3 ft.
.monday...north winds 15 to 25 kt. chance of snow. waves 4 to
6 ft occasionally to 8 ft.
$$
(2/3)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/3/2025 3:30 AM US/Central.
Valid through 4/3/2025 10:30 AM US/Central.
fzus63 kmkx 030830
glflm
expires:202504031530;;668409
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
330 am cdt thu apr 3 2025
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 of 29.3 inches over lake superior will pull away to
the northeast today, while high pressure of 30.2 inches begins to
build in from the west. gusty west to southwest winds are expected
today as a result, especially this morning into early afternoon
when a gale warning is in effect. lighter winds are expected
friday under the high, as it strengthens to 30.4 inches. breezy
winds are expected at times over the weekend as low pressure and a
cold front swing through the region.
lmz080-669-671-673-675-777-779-870-872-874-876-878-031530-
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-
330 am cdt thu apr 3 2025
sheboygan wi to pentwater mi south...
.today...southwest winds to 30 kt becoming west, then diminishing
to 10 to 20 kt late. waves 5 to 8 ft occasionally to 10 ft
subsiding to 3 to 5 ft.
.tonight...northwest winds 10 to 15 kt veering to northeast.
waves 2 to 4 ft subsiding to 1 ft or less.
.friday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
chance of rain in the afternoon. waves 1 to 3 ft.
.friday night...northeast winds 10 to 20 kt. rain. waves 2 to
4 ft.
.saturday...north winds 10 to 20 kt. chance of rain. waves 4 to
6 ft occasionally to 8 ft.
.saturday night...north winds 10 to 20 kt. waves 3 to 5 ft.
.sunday...north winds 10 to 20 kt becoming northwest. waves 3 to
5 ft.
.monday...northwest winds 15 to 25 kt becoming north. chance of
snow. waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft
occasionally to 10 ft.
$$
(3/3)
Latest Great Lakes Marine Forecast by KMKX
Issued 4/2/2025 9:43 PM US/Central.
Valid through 4/3/2025 4:15 AM US/Central.
fzus63 kmkx 030243
glflm
expires:202504030915;;652819
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
943 pm cdt wed apr 2 2025
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...
a surface low of 29.2 inches will progress toward lake superior
over the next couple of hours, moving into ontario by early
tomorrow morning. at this time, some areas of patchy fog are
present over the lake, with the lowest drops invisibility along
the western shoreline. winds will turn southwesterly after
midnight tonight & mix areas of fog out.
30.1 inch high pressure will build into the northern great plains
tomorrow afternoon, allowing winds to turn more westerly across
the open waters. there is increasing potential for a period of
gales in the far north early tomorrow lasting into the afternoon.
thus we have issued another gale warning for the northern parts
of the lake from 9-19z. winds will become light & variable
tomorrow night as the high crosses lake michigan. winds will
shift out of the northeast on friday as low pressure forms in the
southern great plains. winds will increase during the day on
saturday as the low moves into the ohio river valley. gales aren't
forecast at this time, though trends will be monitored. periods
of rain will accompany the approaching low friday afternoon
through saturday, with a few thunderstorms possible over far
southern lake michigan.
lmz366-565-567-868-030915-
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-
943 pm cdt wed apr 2 2025
sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...
.rest of tonight...south winds to 30 kt becoming southwest.
patchy fog late this evening. waves 5 to 8 ft occasionally to
10 ft.
.thursday...southwest winds to 30 kt becoming west 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.thursday night...west winds 10 to 15 kt veering to north 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft.
.friday...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.
.friday night...northeast winds 10 to 15 kt. chance of rain
showers overnight. waves 1 to 3 ft.
.saturday...north winds 10 to 20 kt. waves 2 to 4 ft.
.saturday night...north winds 10 to 20 kt. waves 2 to 4 ft.
.sunday...northwest winds 10 to 20 kt becoming north. waves 2 to
4 ft.
.monday...northwest winds 15 to 25 kt becoming north. chance of
snow showers. waves 4 to 6 ft occasionally to 8 ft.
$$
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