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(1/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/7/2026 3:46 PM America/New_York.
Valid through 9/7/2026 10:30 PM America/New_York.
fzus61 kcle 071946
glfle
expires:202609080230;;071899
open lake forecast for lake erie
national weather service cleveland oh
346 pm edt mon sep 7 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 will gradually weaken to 30.00 inches
wednesday ahead of a cold front that will track across lake erie
wednesday into wednesday night. a post frontal trough lingers
averaging 29.90 inches thursday. high pressure builds back to
30.10 inches friday and will remain into the weekend.
lez162-163-080230-
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-
346 pm edt mon sep 7 2026
.tonight...east winds 5 to 15 knots becoming southeast. waves
1 to 3 feet.
.tuesday...southeast winds 5 to 10 knots becoming east. waves
1 foot or less.
.tuesday night...southeast winds 10 to 15 knots becoming
southwest 15 to 20 knots. waves 1 to 3 feet.
.wednesday...southwest winds 15 to 20 knots. a chance of showers
and thunderstorms in the afternoon. waves 1 to 3 feet.
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers and thunderstorms in the
evening, then a chance of showers overnight. waves 1 to 3 feet.
.thursday...west winds 5 to 15 knots becoming north. waves 2 feet
or less.
.friday...northeast winds 10 knots or less becoming south. waves
1 foot or less.
.saturday...south winds 5 to 10 knots becoming west. waves 2 feet
or less.
winds and waves higher in and near thunderstorms.
$$
(2/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/7/2026 3:46 PM America/New_York.
Valid through 9/7/2026 10:30 PM America/New_York.
fzus61 kcle 071946
glfle
expires:202609080230;;071900
open lake forecast for lake erie
national weather service cleveland oh
346 pm edt mon sep 7 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 will gradually weaken to 30.00 inches
wednesday ahead of a cold front that will track across lake erie
wednesday into wednesday night. a post frontal trough lingers
averaging 29.90 inches thursday. high pressure builds back to
30.10 inches friday and will remain into the weekend.
lez164>167-080230-
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-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
346 pm edt mon sep 7 2026
.tonight...northeast winds 5 to 15 knots becoming southeast.
waves 1 to 3 feet.
.tuesday...southeast winds 10 knots or less becoming east. waves
1 foot or less.
.tuesday night...east winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet.
.wednesday...southwest winds 15 to 20 knots. a chance of showers
in the afternoon. waves 2 to 4 feet building to 3 to 5 feet.
.wednesday night...southwest winds 15 to 20 knots becoming west.
a chance of showers and thunderstorms in the evening, then a
chance of showers overnight. waves 3 to 6 feet.
.thursday...west winds 5 to 15 knots becoming northeast. waves
2 to 4 feet subsiding to 1 to 2 feet.
.friday...northeast winds 10 knots or less becoming south. waves
1 foot or less.
.saturday...south winds 5 to 15 knots becoming southwest. waves
1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(3/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/7/2026 3:40 PM America/New_York.
Valid through 9/7/2026 11:45 PM America/New_York.
fzus63 kdtx 071940
glfsc
expires:202609080345;;071779
lake st clair forecast
national weather service detroit/pontiac mi
340 pm edt mon sep 7 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...favorable marine conditions continue through most of
tuesday due to surface high pressure moving from the central to
eastern great lakes. a low pressure system then approaches
tuesday afternoon into wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. cooler and
drier weather is expected thursday into friday.
lcz460-080345-
lake st clair-
340 pm edt mon sep 7 2026
.tonight...southeast winds 5 to 10 knots. clear this evening
becoming partly cloudy. waves 2 feet or less.
.tuesday...southeast winds 5 to 10 knots. partly sunny. waves 2 feet
or less.
.tuesday night...southeast winds 10 to 15 knots veering to the
southwest after midnight. partly cloudy. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots. mostly cloudy. light
showers likely early in the afternoon. waves 1 to 3 feet.
.wednesday night...west winds 10 to 15 knots. mostly cloudy early in
the evening becoming partly cloudy. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots increasing to 10 to 15
knots in the afternoon and evening. partly cloudy then clearing.
waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. clear. waves 2 feet or
less.
.saturday...southwest winds 10 to 15 knots. mostly clear. waves 2
feet or less.
$$
(4/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/7/2026 3:40 PM America/New_York.
Valid through 9/7/2026 11:45 PM America/New_York.
fzus63 kdtx 071940
glflh
expires:202609080345;;071777
open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt mon sep 7 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...favorable marine conditions continue through most of
tuesday due to surface high pressure moving from the central to
eastern great lakes. a low pressure system then approaches
tuesday afternoon into wednesday with associated fronts leading
to rising heat/humidity and thunderstorm chances. cooler and
drier weather is expected thursday into friday.
lhz462>464-080345-
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-
340 pm edt mon sep 7 2026
.tonight...light and variable winds becoming southeast 5 to
10 knots after midnight. waves 2 feet or less.
.tuesday...light and variable winds becoming southeast 5 to
10 knots in the late morning and afternoon. waves 2 feet or less.
.tuesday night...south winds 10 to 15 knots. a chance of showers
after midnight. waves 1 to 3 feet building to 2 to 4 feet in the
late evening and overnight.
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. showers in the morning...then
showers likely in the afternoon. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon.
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots after midnight. waves 3 to 5 feet subsiding to
2 to 4 feet after midnight.
.thursday...northwest winds 10 to 15 knots becoming north 5 to
10 knots late in the afternoon. waves 1 to 3 feet.
.friday...northwest winds 5 to 10 knots backing to the west in
the late morning and early afternoon...then backing to the
southeast early in the evening becoming south 10 to 15 knots by
midnight. waves 2 feet or less.
.saturday...south winds 10 to 15 knots. waves 1 to 3 feet.
$$
(5/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 9/7/2026 2:35 PM US/Central.
Valid through 9/7/2026 11:30 PM US/Central.
fzus63 kmkx 071935
glflm
expires:202609080430;;071626
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
235 pm cdt mon sep 7 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 remain over the lower
great lakes through tuesday. meanwhile, low pressure around
29.6 inches over the northern high plains will lift northward
through the canadian prairies into tuesday morning. this will
allow for gradually increasing southerly winds late tonight
through tuesday night especially over the north half. as low
pressure enters the hudson bay late tuesday night and wednesday,
winds shift southwesterly, then westerly on wednesday as a cold
front pushes southeastward through the lake. winds become
northwesterly behind the front, gradually weakening through
thursday and thursday night. winds shift to southerly again and
increase into friday as low pressure develops in the northern
plains.
lmz261-362-364-366-563-565-567-868-080430-
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-
235 pm cdt mon sep 7 2026
sheboygan wi to pentwater mi north...
.tonight...south winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.tuesday...south winds 10 to 20 kt increasing to 30 kt. slight
chance of showers in the morning, then chance of showers and
slight chance of thunderstorms in the afternoon. waves 3 to 5 ft.
.tuesday night...south winds to 25 kt becoming southwest. showers
likely in the evening, then showers likely with a chance of
thunderstorms overnight. waves 4 to 6 ft occasionally to 8 ft.
.wednesday...southwest winds to 25 kt. chance of showers and
thunderstorms in the morning. waves 4 to 7 ft occasionally to 9
ft.
.wednesday night...west winds to 20 to 30 kt becoming northwest.
waves 4 to 6 ft occasionally to 8 ft.
.thursday...northwest winds 10 to 20 kt. waves 2 to 4 ft.
.thursday night...southwest winds 10 to 15 kt becoming south.
waves 1 to 2 ft.
.friday...south winds 15 to 25 kt increasing to 30 kt. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft.
.saturday...southwest winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft.
$$
(6/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 9/7/2026 2:35 PM US/Central.
Valid through 9/7/2026 11:30 PM US/Central.
fzus63 kmkx 071935
glflm
expires:202609080430;;071627
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
235 pm cdt mon sep 7 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 remain over the lower
great lakes through tuesday. meanwhile, low pressure around
29.6 inches over the northern high plains will lift northward
through the canadian prairies into tuesday morning. this will
allow for gradually increasing southerly winds late tonight
through tuesday night especially over the north half. as low
pressure enters the hudson bay late tuesday night and wednesday,
winds shift southwesterly, then westerly on wednesday as a cold
front pushes southeastward through the lake. winds become
northwesterly behind the front, gradually weakening through
thursday and thursday night. winds shift to southerly again and
increase into friday as low pressure develops in the northern
plains.
lmz080-669-671-673-675-777-779-870-872-874-876-878-080430-
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-
235 pm cdt mon sep 7 2026
sheboygan wi to pentwater mi south...
.tonight...east winds 10 to 15 kt becoming southeast 10 to 20 kt.
waves 2 to 4 ft.
.tuesday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft.
.tuesday night...south winds 15 to 25 kt becoming southwest 10 to
20 kt. chance of showers and thunderstorms overnight. waves 3 to
5 ft.
.wednesday...southwest winds 15 to 25 kt. showers likely in the
morning, then chance of showers in the afternoon. waves 4 to 7 ft
occasionally to 9 ft.
.wednesday night...west winds 15 to 25 kt becoming northwest.
waves 4 to 6 ft occasionally to 8 ft.
.thursday...northwest winds 10 to 20 kt becoming north. waves
3 to 5 ft.
.thursday night...north winds 5 to 10 kt veering to southeast
10 to 15 kt. waves 1 to 3 ft.
.friday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.saturday...southwest winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft.
$$
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