(1/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/9/2026 10:14 AM America/New_York.
Valid through 9/9/2026 4:15 PM America/New_York.
fzus61 kcle 091414
glfle
expires:202609092015;;167704
open lake forecast for lake erie
national weather service cleveland oh
1014 am edt wed sep 9 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 trough averaging 29.90 inches moves across lake erie this
evening followed by a cold front late tonight. this front will
stall south of the lake thursday morning before moving south in
the afternoon. high pressure 30.10 inches builds in late thursday
into friday, weakening to 30.00 inches for saturday as another
cold front approaches sunday.
lez162-163-092015-
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-
1014 am edt wed sep 9 2026
.rest of today...southwest winds 10 to 15 knots becoming west. a
chance of showers and thunderstorms early this afternoon. showers
likely with a chance of thunderstorms late. waves 1 to 3 feet.
.tonight...west winds 10 to 15 knots. a chance of showers and
thunderstorms early. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots. waves 1 foot or less.
.thursday night...northwest winds 5 to 10 knots becoming north.
waves 1 foot or less.
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less.
.saturday...south winds 5 to 10 knots becoming southwest. waves
1 foot or less.
.sunday...west winds 10 knots or less becoming southeast. waves
1 foot or less building to 1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(2/6)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/9/2026 10:14 AM America/New_York.
Valid through 9/9/2026 4:15 PM America/New_York.
fzus61 kcle 091414
glfle
expires:202609092015;;167705
open lake forecast for lake erie
national weather service cleveland oh
1014 am edt wed sep 9 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 trough averaging 29.90 inches moves across lake erie this
evening followed by a cold front late tonight. this front will
stall south of the lake thursday morning before moving south in
the afternoon. high pressure 30.10 inches builds in late thursday
into friday, weakening to 30.00 inches for saturday as another
cold front approaches sunday.
lez164>167-092015-
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-
1014 am edt wed sep 9 2026
.rest of today...southwest winds 15 to 20 knots. a slight chance
of showers late this morning, then a chance of showers with a
slight chance of thunderstorms early this afternoon. showers with
a chance of thunderstorms late. waves 2 to 4 feet.
.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. showers with a chance of thunderstorms early, then a
slight chance of showers and thunderstorms late in the evening.
waves 3 to 5 feet subsiding to 1 to 3 feet.
.thursday...northwest winds 5 to 10 knots. waves 1 to 2 feet.
.thursday night...northwest winds 5 to 10 knots becoming
northeast. waves 1 to 2 feet.
.friday...east winds 10 knots or less becoming southeast. waves
2 feet or less.
.saturday...south winds 5 to 10 knots becoming southwest. a
chance of showers saturday night. waves 1 to 3 feet.
.sunday...southwest winds 5 to 15 knots becoming east. waves 1 to
3 feet building to 2 to 4 feet.
winds and waves higher in and near thunderstorms.
$$
(3/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/9/2026 9:45 AM America/New_York.
Valid through 9/9/2026 5:45 PM America/New_York.
fzus63 kdtx 091345
glfsc
expires:202609092145;;166329
lake st clair forecast
national weather service detroit/pontiac mi
945 am edt wed sep 9 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...low pressure, 29.30 inches, will track across northern
ontario today, driving a slow moving cold front across the great
lakes region. this system will provide showers and few
thunderstorms to the lakes. high pressure will expand into the
region from the west thursday into friday.
lcz460-092145-
lake st clair-
945 am edt wed sep 9 2026
.rest of today...southwest winds 10 to 15 knots. mostly cloudy. a
chance of light showers late in the morning...then light showers
likely in the afternoon. waves 2 feet or less.
.tonight...west winds 10 to 15 knots diminishing to 5 to 10 knots
early in the morning. partly cloudy. a chance of showers and
thunderstorms early in the evening. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots. partly sunny. waves 2
feet or less.
.thursday night...north winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.friday...light and variable winds becoming southeast 5 to 10 knots
in the afternoon and evening. sunny becoming mostly clear. waves 2
feet or less.
.saturday...south winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
.sunday...east winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.
$$
(4/6)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/9/2026 9:45 AM America/New_York.
Valid through 9/9/2026 5:45 PM America/New_York.
fzus63 kdtx 091345
glflh
expires:202609092145;;166324
open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt wed sep 9 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...low pressure, 29.30 inches, will track across northern
ontario today, driving a slow moving cold front across the great
lakes region. this system will provide showers and few
thunderstorms to the lakes. high pressure will expand into the
region from the west thursday into friday.
lhz462>464-092145-
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-
945 am edt wed sep 9 2026
.rest of today...southwest winds 10 to 15 knots increasing to
15 to 20 knots with gusts to around 30 knots in the afternoon.
showers likely late in the morning...then a chance of showers in
the afternoon. waves 2 to 4 feet building to 3 to 5 feet in the
afternoon.
.tonight...southwest winds 15 to 20 knots becoming west 10 to
15 knots in the late evening and overnight. waves 2 to 4 feet.
.thursday...northwest winds 5 to 10 knots. waves 1 to 3 feet.
.thursday night...north winds 5 to 10 knots. waves 2 feet or
less.
.friday...west winds 5 to 10 knots in the morning becoming light
and variable...then becoming southeast 5 to 10 knots late in the
afternoon becoming south 10 to 15 knots. waves 1 to 3 feet.
.saturday...south winds 10 to 15 knots becoming southwest 5 to
10 knots by midnight. waves 2 to 4 feet.
.sunday...west winds 5 to 10 knots veering to the northeast by
midnight. a chance of. waves 1 to 3 feet building to 2 to 4 feet
by midnight.
$$
(5/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 9/9/2026 8:15 AM US/Central.
Valid through 9/9/2026 4:30 PM US/Central.
fzus63 kmkx 091315
glflm
expires:202609092130;;165822
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
815 am cdt wed sep 9 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 near 28.9 inches will continue across the southern
hudson bay through today, gradually pulling a cold front across
the open waters of lake michigan. the passing boundary will bring
a west-northwest wind shift across lake michigan by late
afternoon. shower & embedded thunderstorm chances will continue
along/ahead of the passing front, with severe weather not
expected. high pressure near 30.1 inches will build in from the
northern great plains tonight, lingering through thursday night &
bringing light and variable winds to the waters.
a new area of low pressure near 29.2 inches will shift from
central canada toward the hudson bay friday morning through the
day saturday, bringing increasing south-southwest winds followed
by a west-northwest wind shift behind a cold front. occasional
wind gusts near gale force are possible during this time frame,
though whether or not they will be widespread enough to warrant
headlines remains uncertain. trends will continue to be monitored
through the end of this week. periods of showers and storms will
accompany the approaching/passing front, with widespread severe
weather not currently anticipated.
high pressure near 30.1 inches will shift from the northern great
plains across lake michigan saturday night through sunday night,
bringing light and variable winds. the next area of low pressure
& cold front will approach from the west early next week, bringing
increasing winds & additional chances for showers and storms.
depending on the strength of the low and front, periods of gales &
some stronger storms could be possible. will be providing
additional details as this portion of the period draws closer.
lmz261-362-364-366-563-565-567-868-092130-
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-
815 am cdt wed sep 9 2026
sheboygan wi to pentwater mi north...
.rest of today...southwest winds 10 to 20 kt increasing to 30 kt.
chance of showers this morning. waves 3 to 5 ft.
.tonight...west winds to 30 kt becoming northwest 15 to 25 kt,
then diminishing to 10 to 20 kt late. waves 3 to 5 ft.
.thursday...northwest winds 10 to 20 kt. waves 1 to 3 ft
subsiding to 1 to 2 ft.
.thursday night...southeast winds 10 to 15 kt becoming south.
waves 1 to 2 ft.
.friday...southwest winds 15 to 25 kt becoming south to 30 kt.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft.
.friday night...south winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft.
.saturday...southwest winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.sunday...north winds 10 to 15 kt. waves 1 to 2 ft.
$$
(6/6)
Latest Great Lakes Marine Forecast by KMKX
Issued 9/9/2026 8:15 AM US/Central.
Valid through 9/9/2026 4:30 PM US/Central.
fzus63 kmkx 091315
glflm
expires:202609092130;;165823
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
815 am cdt wed sep 9 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 near 28.9 inches will continue across the southern
hudson bay through today, gradually pulling a cold front across
the open waters of lake michigan. the passing boundary will bring
a west-northwest wind shift across lake michigan by late
afternoon. shower & embedded thunderstorm chances will continue
along/ahead of the passing front, with severe weather not
expected. high pressure near 30.1 inches will build in from the
northern great plains tonight, lingering through thursday night &
bringing light and variable winds to the waters.
a new area of low pressure near 29.2 inches will shift from
central canada toward the hudson bay friday morning through the
day saturday, bringing increasing south-southwest winds followed
by a west-northwest wind shift behind a cold front. occasional
wind gusts near gale force are possible during this time frame,
though whether or not they will be widespread enough to warrant
headlines remains uncertain. trends will continue to be monitored
through the end of this week. periods of showers and storms will
accompany the approaching/passing front, with widespread severe
weather not currently anticipated.
high pressure near 30.1 inches will shift from the northern great
plains across lake michigan saturday night through sunday night,
bringing light and variable winds. the next area of low pressure
& cold front will approach from the west early next week, bringing
increasing winds & additional chances for showers and storms.
depending on the strength of the low and front, periods of gales &
some stronger storms could be possible. will be providing
additional details as this portion of the period draws closer.
lmz080-669-671-673-675-777-779-870-872-874-876-878-092130-
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-
815 am cdt wed sep 9 2026
sheboygan wi to pentwater mi south...
.rest of today...southwest winds 10 to 20 kt. chance of showers
and slight chance of thunderstorms this morning. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.
.tonight...southwest winds 10 to 20 kt veering to northwest.
waves 2 to 4 ft.
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft.
.thursday night...northeast winds 10 to 15 kt veering to
southeast 5 to 10 kt. waves 1 to 3 ft.
.friday...south winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 1 to 3 ft building to 3 to 5 ft.
.friday night...south winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft.
.saturday...south winds to 30 kt becoming southwest. waves 4 to
6 ft occasionally to 8 ft.
.sunday...north winds 10 to 15 kt. waves 1 to 3 ft.
$$
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