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(1/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/4/2026 9:52 AM America/New_York.
Valid through 10/4/2026 4:15 PM America/New_York.
fzus61 kcle 041352
glfle
expires:202610042015;;519611
open lake forecast for lake erie
national weather service cleveland oh
952 am edt sun oct 4 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a cold front will cross the lake today before high pressure 30.40
builds over the lake monday and tuesday. the high will drift east
wednesday, allowing a cold front to approach from the west through
thursday.
lez162-163-042015-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
952 am edt sun oct 4 2026
.this afternoon...southwest winds 5 to 10 knots becoming west.
waves 1 foot or less.
.tonight...west winds 10 to 15 knots becoming northwest. waves
1 foot or less building to 1 to 3 feet.
.monday...northwest winds 5 to 15 knots. waves 2 feet or less.
.monday night...northwest winds 10 knots or less becoming west.
waves 1 foot or less.
.tuesday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 foot or less building to 1 to 3 feet.
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 1 to 3 feet.
.thursday...west winds around 10 knots. waves 1 foot or less.
$$
(2/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/4/2026 9:52 AM America/New_York.
Valid through 10/4/2026 4:15 PM America/New_York.
fzus61 kcle 041352
glfle
expires:202610042015;;519612
open lake forecast for lake erie
national weather service cleveland oh
952 am edt sun oct 4 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a cold front will cross the lake today before high pressure 30.40
builds over the lake monday and tuesday. the high will drift east
wednesday, allowing a cold front to approach from the west through
thursday.
lez164>166-042015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-
952 am edt sun oct 4 2026
.this afternoon...southwest winds 5 to 15 knots. waves 1 to
2 feet.
.tonight...southwest winds 10 to 15 knots becoming northwest
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet.
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.monday night...northwest winds 5 to 15 knots becoming west
10 knots or less. waves 1 to 3 feet subsiding to 1 foot or less.
.tuesday...southwest winds 5 to 10 knots increasing to 15 to
25 knots. waves 1 foot or less building to 2 to 4 feet.
.wednesday...southwest winds 15 to 25 knots becoming west. waves
3 to 5 feet subsiding to 1 to 3 feet.
.thursday...west winds 10 to 15 knots becoming northwest. waves
1 to 3 feet.
$$
(3/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/4/2026 10:03 AM America/New_York.
Valid through 10/4/2026 6:15 PM America/New_York.
fzus63 kdtx 041403
glfsc
expires:202610042215;;519921
lake st clair forecast
national weather service detroit/pontiac mi
1003 am edt sun oct 4 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.30 inches, will quickly exit east of
the region tonight. low pressure of 29.62 inches then tracks east
across southern ontario tonight into sunday, intensifying to
around 29.44 inches as it tracks east across the james bay area
sunday night. this low will drive a cold front across the region
on sunday, resulting in south winds to start the day becoming
west and northwesterly throughout sunday afternoon and evening.
northwest winds increase to around 25 to 30 knots sunday night
into monday morning, with gale force gusts to 35 knots appearing
more likely.
lcz460-042215-
lake st clair-
1003 am edt sun oct 4 2026
.rest of today...southwest winds 5 to 10 knots. mostly sunny. waves
2 feet or less.
.tonight...west winds 10 to 15 knots becoming northwest 15 to 20
knots by midnight...then diminishing to 10 to 15 knots early in the
morning. mostly clear. waves 2 feet or less.
.monday...northwest winds 10 to 15 knots. sunny. waves 2 feet or
less.
.monday night...northwest winds 5 to 10 knots early in the evening
becoming light and variable. mostly clear. waves 2 feet or less.
.tuesday...northwest winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon...then increasing to 15 to 20 knots in the
evening. clear. waves 2 feet or less.
.wednesday...west winds 15 to 20 knots. mostly clear. waves 1 to 3
feet.
.thursday...northwest winds 10 to 15 knots. mostly clear. waves 2
feet or less.
$$
(4/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/4/2026 10:03 AM America/New_York.
Valid through 10/4/2026 6:15 PM America/New_York.
fzus63 kdtx 041403
glflh
expires:202610042215;;519902
open lake forecast for lake huron
national weather service detroit/pontiac mi
1003 am edt sun oct 4 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.30 inches, will quickly exit east of
the region tonight. low pressure of 29.62 inches then tracks east
across southern ontario tonight into sunday, intensifying to
around 29.44 inches as it tracks east across the james bay area
sunday night. this low will drive a cold front across the region
on sunday, resulting in south winds to start the day becoming
west and northwesterly throughout sunday afternoon and evening.
northwest winds increase to around 25 to 30 knots sunday night
into monday morning, with gale force gusts to 35 knots appearing
more likely.
lhz462>464-042215-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
1003 am edt sun oct 4 2026
.rest of today...southwest winds 10 to 15 knots. waves 1 to
3 feet.
.tonight...northwest winds 15 to 20 knots increasing to 20 to
25 knots early in the morning. waves 2 to 4 feet building to 5 to
7 feet in the late evening and overnight. waves occasionally
around 10 feet.
.monday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots in the late morning and afternoon. waves 5 to 7 feet.
waves occasionally around 10 feet.
.monday night...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 3 to 5 feet.
.tuesday...west winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
with gusts to around 30 knots late in the afternoon increasing to
20 to 25 knots with gusts to around 30 knots late in the evening.
waves 1 to 3 feet building to 3 to 5 feet late in the afternoon.
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet .
.thursday...west winds 10 to 15 knots. waves 1 to 3 feet.
$$
(5/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 10/4/2026 8:54 AM US/Central.
Valid through 10/4/2026 4:15 PM US/Central.
fzus63 kmkx 041354
glflm
expires:202610042115;;519685
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
854 am cdt sun oct 4 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 will move across southern canada today and deepen to
29.4 inches, approaching james bay by late this afternoon. a cold
front moving across the region this morning will exit to the east
of lake michigan by midday. southwest winds will shift to the
northwest and remain breezy. a few gusts will approach gales
across northern lake michigan. a few waterspouts remain possible
across the far northern edge of the lake this evening into tonight
behind the cold front. northwest winds will gradually decrease
tonight through monday, as high pressure of 30.2 inches enters
from the west.
low pressure of 29.4 inches will build toward the hudson bay
tuesday through thursday. ahead of this low, south-southwest
winds will increase tuesday afternoon through wednesday and
become gusty. there remains a risk for gusts to approach gales,
particularly over the northern half of the open waters. will be
monitoring for possible headlines as this portion of the period
draws closer. the low will pull a cold front across the waters
wednesday night into thursday, delivering scattered showers and
shifting winds to the west northwest.
lmz261-362-364-366-563-565-567-868-042115-
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-
854 am cdt sun oct 4 2026
sheboygan wi to pentwater mi north...
.rest of today...west winds to 30 kt becoming northwest. waves
5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.tonight...northwest winds to 30 kt diminishing to 15 to 25 kt.
slight chance of waterspouts. waves 4 to 6 ft occasionally to
8 ft.
.monday...northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft.
.monday night...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft.
.tuesday...south winds to 30 kt increasing to gales to 40 kt in
the afternoon. waves 5 to 8 ft occasionally to 10 ft building to
8 to 11 ft occasionally to 14 ft.
.tuesday night...southwest gales to 35 kt becoming west. waves
8 to 11 ft occasionally to 14 ft subsiding to 5 to 8 ft
occasionally to 10 ft.
.wednesday...west winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft subsiding to 2 to 4 ft.
.thursday...northwest winds 10 to 20 kt becoming west 15 to
25 kt. waves 1 to 3 ft.
$$
(6/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 10/4/2026 8:54 AM US/Central.
Valid through 10/4/2026 4:15 PM US/Central.
fzus63 kmkx 041354
glflm
expires:202610042115;;519686
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
854 am cdt sun oct 4 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 will move across southern canada today and deepen to
29.4 inches, approaching james bay by late this afternoon. a cold
front moving across the region this morning will exit to the east
of lake michigan by midday. southwest winds will shift to the
northwest and remain breezy. a few gusts will approach gales
across northern lake michigan. a few waterspouts remain possible
across the far northern edge of the lake this evening into tonight
behind the cold front. northwest winds will gradually decrease
tonight through monday, as high pressure of 30.2 inches enters
from the west.
low pressure of 29.4 inches will build toward the hudson bay
tuesday through thursday. ahead of this low, south-southwest
winds will increase tuesday afternoon through wednesday and
become gusty. there remains a risk for gusts to approach gales,
particularly over the northern half of the open waters. will be
monitoring for possible headlines as this portion of the period
draws closer. the low will pull a cold front across the waters
wednesday night into thursday, delivering scattered showers and
shifting winds to the west northwest.
lmz080-669-671-673-675-777-779-870-872-874-876-878-042115-
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-
854 am cdt sun oct 4 2026
sheboygan wi to pentwater mi south...
.rest of today...west winds 10 to 20 kt becoming northwest. waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.tonight...northwest winds 10 to 20 kt becoming north. waves 3 to
5 ft.
.monday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft.
.monday night...east winds 5 to 10 kt becoming south 10 to 20 kt
overnight. waves 1 to 3 ft.
.tuesday...south winds to 30 kt increasing to gales to 35 kt.
waves 5 to 8 ft occasionally to 10 ft building to 8 to 11 ft
occasionally to 14 ft.
.tuesday night...southwest winds to 30 kt becoming west. waves
7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft
occasionally to 10 ft.
.wednesday...west winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.thursday...northwest winds 10 to 20 kt becoming west. waves 2 to
4 ft.
$$
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