(1/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 8/29/2026 3:38 AM America/New_York.
Valid through 8/29/2026 10:15 AM America/New_York.
fzus61 kcle 290738
glfle
expires:202608291415;;541679
open lake forecast for lake erie
national weather service cleveland oh
338 am edt sat aug 29 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...
high pressure 30.20 inches overhead will build east into the mid-
atlantic through sunday evening with a warm front moving north
over lake erie late sunday night. low pressure 29.80 will move
into the northern great lakes early wednesday with a cold front
passing through early thursday.
lez162-163-291415-
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-
338 am edt sat aug 29 2026
.today...south winds 10 knots or less becoming southeast. waves
1 foot or less.
.tonight...southeast winds 5 to 10 knots becoming southwest.
waves 1 foot or less.
.sunday...southwest winds 5 to 10 knots. waves 1 foot or less.
.sunday night...southwest winds 5 to 10 knots. waves 1 foot or
less.
.monday...southwest winds 5 to 10 knots. waves 1 foot or less.
.tuesday...southwest winds 5 to 10 knots. waves 1 foot or less.
.wednesday...southwest winds 10 to 15 knots becoming west. a
chance of showers wednesday night. waves 1 foot or less.
$$
(2/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 8/29/2026 3:38 AM America/New_York.
Valid through 8/29/2026 10:15 AM America/New_York.
fzus61 kcle 290738
glfle
expires:202608291415;;541680
open lake forecast for lake erie
national weather service cleveland oh
338 am edt sat aug 29 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
high pressure 30.20 inches overhead will build east into the mid-
atlantic through sunday evening with a warm front moving north
over lake erie late sunday night. low pressure 29.80 will move
into the northern great lakes early wednesday with a cold front
passing through early thursday.
lez164>166-291415-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-
338 am edt sat aug 29 2026
.today...south winds 10 knots or less becoming northwest. waves
1 foot or less.
.tonight...east winds 10 knots or less becoming southwest. waves
1 foot or less.
.sunday...southwest winds 5 to 10 knots. waves 1 to 2 feet.
.sunday night...southwest winds 5 to 10 knots. a chance of
showers overnight. waves 2 feet or less.
.monday...southwest winds 5 to 15 knots becoming south. waves
2 feet or less.
.tuesday...southwest winds 5 to 15 knots. waves 1 to 2 feet.
.wednesday...southwest winds 5 to 10 knots becoming west. a
chance of showers and thunderstorms wednesday night. waves 1 to
2 feet.
winds and waves higher in and near thunderstorms.
$$
(3/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 8/29/2026 3:29 AM America/New_York.
Valid through 8/29/2026 11:30 AM America/New_York.
fzus63 kdtx 290729
glfsc
expires:202608291530;;541479
lake st clair forecast
national weather service detroit/pontiac mi
329 am edt sat aug 29 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, 30.20 inches, drifts over the central
great lakes through early saturday. active pattern returns late
sunday into monday as a warm front lifts through the area
bringing showers and storms.
lcz460-291530-
lake st clair-
329 am edt sat aug 29 2026
.today...southwest winds 5 to 10 knots becoming south 10 to 15 knots
in the late morning and afternoon. partly sunny. waves 2 feet or
less.
.tonight...south winds 10 to 15 knots becoming southwest 5 to 10
knots after midnight. mostly cloudy. waves 2 feet or less.
.sunday...southwest winds 5 to 10 knots. mostly cloudy. a chance of
light showers until late afternoon. waves 2 feet or less.
.sunday night...southwest winds 5 to 10 knots. partly cloudy early
in the evening becoming mostly cloudy. a chance of light showers
early in the evening. showers likely by midnight...then a chance of
light showers after midnight. waves 2 feet or less.
.monday...south winds 5 to 10 knots. partly sunny becoming mostly
cloudy. waves 2 feet or less.
.tuesday...southwest winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.wednesday...west winds 5 to 10 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
$$
(4/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 8/29/2026 3:28 AM America/New_York.
Valid through 8/29/2026 11:30 AM America/New_York.
fzus63 kdtx 290728
glflh
expires:202608291530;;541476
open lake forecast for lake huron
national weather service detroit/pontiac mi
328 am edt sat aug 29 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.20 inches, drifts over the central
great lakes through early saturday. active pattern returns late
sunday into monday as a warm front lifts through the area
bringing showers and storms.
lhz462>464-291530-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
328 am edt sat aug 29 2026
.today...southwest winds 10 to 15 knots. waves 1 to 3 feet.
.tonight...south winds 10 to 15 knots becoming southwest 5 to
10 knots after midnight. a chance of showers after midnight.
waves 1 to 3 feet.
.sunday...south winds 5 to 10 knots. a chance of showers in the
morning...then showers likely in the afternoon. waves 2 feet or
less.
.sunday night...south winds 5 to 10 knots backing to the
southeast after midnight. showers in the evening...then a chance
of showers after midnight. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots veering to the south late
in the evening. a chance of showers. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots. a chance of showers early
in the morning...then a chance of showers and thunderstorms .
waves 2 feet or less.
.wednesday...southwest winds 5 to 10 knots veering to the north
by midnight. a chance of showers and thunderstorms early in the
morning...then a chance of showers. waves 2 feet or less.
$$
(5/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 8/29/2026 2:44 AM US/Central.
Valid through 8/29/2026 10:15 AM US/Central.
fzus63 kmkx 290744
glflm
expires:202608291515;;541924
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
244 am cdt sat aug 29 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...
high pressure around 30.2 inches will gradually move east of the
lower great lakes today, while low pressure deepens to around
29.6 inches in the central great plains. this will support modest
to breezy southerly winds from this afternoon through monday as
the low will remain well to the west. scattered thunderstorms will
occur at times from tonight into next week. a weak cold front
will finally arrive late tuesday night and wednesday with light
northerly winds eventually taking hold.
lmz261-362-364-366-563-565-567-868-291515-
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-
244 am cdt sat aug 29 2026
sheboygan wi to pentwater mi north...
.today...southwest winds 10 to 20 kt increasing to 30 kt. chance
of showers this afternoon. waves 2 to 4 ft.
.tonight...south winds to 30 kt diminishing to 15 to 25 kt.
chance of showers in the evening, then chance of showers and
slight chance of thunderstorms overnight. waves 4 to 6 ft
occasionally to 8 ft.
.sunday...south winds 15 to 25 kt. chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. waves 4 to 7 ft occasionally to 9 ft.
.sunday night...east winds 10 to 20 kt becoming southeast. chance
of showers in the evening. waves 3 to 5 ft subsiding to 2 to
4 ft.
.monday...southeast winds 10 to 20 kt becoming south 15 to 25 kt.
chance of showers in the afternoon. waves 3 to 5 ft.
.monday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. chance of showers. waves 3 to 5 ft.
.tuesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.wednesday...northwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 2 ft.
$$
(6/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 8/29/2026 2:44 AM US/Central.
Valid through 8/29/2026 10:15 AM US/Central.
fzus63 kmkx 290744
glflm
expires:202608291515;;541925
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
244 am cdt sat aug 29 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...
high pressure around 30.2 inches will gradually move east of the
lower great lakes today, while low pressure deepens to around
29.6 inches in the central great plains. this will support modest
to breezy southerly winds from this afternoon through monday as
the low will remain well to the west. scattered thunderstorms will
occur at times from tonight into next week. a weak cold front
will finally arrive late tuesday night and wednesday with light
northerly winds eventually taking hold.
lmz080-669-671-673-675-777-779-870-872-874-876-878-291515-
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-
244 am cdt sat aug 29 2026
sheboygan wi to pentwater mi south...
.today...southwest winds 10 to 20 kt becoming south 15 to 25 kt.
chance of showers this afternoon. waves 2 to 4 ft.
.tonight...south winds 10 to 20 kt increasing to 15 to 25 kt.
chance of showers in the evening, then chance of showers and
slight chance of thunderstorms overnight. waves 4 to 6 ft
occasionally to 8 ft.
.sunday...south winds 15 to 25 kt. chance of showers. waves 4 to
7 ft occasionally to 9 ft.
.sunday night...south winds 10 to 20 kt. waves 3 to 5 ft
subsiding to 2 to 4 ft.
.monday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft.
.monday night...south winds 10 to 20 kt becoming southwest. waves
3 to 5 ft.
.tuesday...southwest winds 10 to 20 kt becoming south 10 to
15 kt. chance of showers and thunderstorms. waves 2 to 4 ft.
.wednesday...southwest winds 10 to 15 kt becoming south. waves
1 to 2 ft.
$$
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