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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/2/2026 5:08 PM America/New_York.
Valid through 9/2/2026 11:15 PM America/New_York.
fzus61 kbuf 022108
glflo
expires:202609030315;;796307
open lake forecast for lake ontario
national weather service buffalo ny
508 pm edt wed sep 2 2026
for waters beyond five nautical miles of shore on lake ontario
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 29.7 inch low continues to move eastward across
northern quebec and allows a cold front to sweep eastward across
lake ontario tonight. behind the front, an extensive high pressure
ridge averaging 30.1 inches builds from northern ontario and
vicinity through this monday.
loz062-030315-
lake ontario open waters from the niagara river to hamlin beach-
508 pm edt wed sep 2 2026
...tornado watch 645 in effect until 11 pm edt this evening...
.tonight...southwest winds 5 to 15 knots becoming west.
thunderstorms likely with a chance of showers this evening, then
showers likely with a chance of thunderstorms after midnight. a
chance of showers late. some thunderstorms may produce strong
winds this evening. waves 1 foot or less.
.thursday...west winds 10 knots or less becoming southwest. waves
1 foot or less.
.thursday night...west winds 10 knots or less becoming northwest.
waves 1 foot or less.
.friday...northwest winds 10 knots or less becoming west. waves
1 foot or less.
.friday night...west winds 5 to 10 knots becoming north. waves
1 foot or less.
.saturday...north winds 10 knots or less becoming northeast.
waves 1 foot or less.
.sunday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less.
.monday...southeast winds 10 knots or less. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/2/2026 5:08 PM America/New_York.
Valid through 9/2/2026 11:15 PM America/New_York.
fzus61 kbuf 022108
glflo
expires:202609030315;;796308
open lake forecast for lake ontario
national weather service buffalo ny
508 pm edt wed sep 2 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 29.7 inch low continues to move eastward across
northern quebec and allows a cold front to sweep eastward across
lake ontario tonight. behind the front, an extensive high pressure
ridge averaging 30.1 inches builds from northern ontario and
vicinity through this monday.
loz063>065-030315-
lake ontario open waters from hamlin beach to the saint lawrence
river-
508 pm edt wed sep 2 2026
...tornado watch 645 in effect until 11 pm edt this evening...
.tonight...south winds 10 to 15 knots becoming west.
thunderstorms likely with a chance of showers this evening, then
showers with a chance of thunderstorms after midnight. a chance
of showers late. some thunderstorms may produce strong winds this
evening. waves 2 feet or less.
.thursday...west winds 5 to 10 knots. a chance of showers early.
waves 1 to 2 feet.
.thursday night...west winds 5 to 10 knots becoming northwest.
waves 1 to 2 feet.
.friday...northwest winds 10 knots or less becoming west. waves
1 foot or less.
.friday night...west winds 5 to 10 knots becoming north. waves
1 to 2 feet.
.saturday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less.
.sunday...northeast winds 10 knots or less becoming southeast.
waves 1 foot or less.
.monday...south winds 10 knots or less becoming southwest 10 to
15 knots. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/2/2026 3:56 PM America/New_York.
Valid through 9/2/2026 10:15 PM America/New_York.
fzus61 kcle 021956
glfle
expires:202609030215;;793113
open lake forecast for lake erie
national weather service cleveland oh
356 pm edt wed sep 2 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 frontal boundary will remain north of lake erie tonight into
thursday before being pushed south as a cold front on thursday
evening. a ridge averaging 30.00 inches will build from the north
on friday and persist through the weekend into early next week.
lez164>166-030215-
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-
356 pm edt wed sep 2 2026
.tonight...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms. waves 1 to 3 feet.
.thursday...west winds 5 to 10 knots becoming south. a chance of
showers and thunderstorms early, then a slight chance of showers
and thunderstorms. a chance of showers and thunderstorms late.
waves 1 to 2 feet.
.thursday night...southeast winds 5 to 10 knots becoming
northeast. a chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
waves 1 foot or less.
.friday...northeast winds 10 knots or less becoming north.
showers likely. waves 1 foot or less.
.friday night...northeast winds 5 to 10 knots. waves 2 feet or
less.
.saturday...northeast winds 5 to 15 knots becoming east. waves
1 to 2 feet.
.sunday...east winds 5 to 15 knots. waves 2 feet or less.
.monday...east winds 5 to 10 knots becoming southeast. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/2/2026 3:56 PM America/New_York.
Valid through 9/2/2026 10:15 PM America/New_York.
fzus61 kcle 021956
glfle
expires:202609030215;;793114
open lake forecast for lake erie
national weather service cleveland oh
356 pm edt wed sep 2 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 frontal boundary will remain north of lake erie tonight into
thursday before being pushed south as a cold front on thursday
evening. a ridge averaging 30.00 inches will build from the north
on friday and persist through the weekend into early next week.
lez061-167>169-030215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
356 pm edt wed sep 2 2026
.tonight...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms. waves 1 to 3 feet.
.thursday...northwest winds 5 to 10 knots becoming west. a chance
of showers with a slight chance of thunderstorms in the morning,
then a slight chance of showers and thunderstorms in the
afternoon. waves 1 to 2 feet.
.thursday night...southwest winds 10 knots or less becoming
north. a chance of showers and thunderstorms in the evening, then
showers likely overnight. waves 1 foot or less.
.friday...north winds less than 10 knots becoming northwest. a
chance of showers. waves 1 foot or less.
.friday night...northwest winds 10 knots or less becoming
northeast. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less.
.sunday...east winds 5 to 15 knots. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/2/2026 3:56 PM America/New_York.
Valid through 9/2/2026 10:15 PM America/New_York.
fzus61 kcle 021956
glfle
expires:202609030215;;793112
open lake forecast for lake erie
national weather service cleveland oh
356 pm edt wed sep 2 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 frontal boundary will remain north of lake erie tonight into
thursday before being pushed south as a cold front on thursday
evening. a ridge averaging 30.00 inches will build from the north
on friday and persist through the weekend into early next week.
lez162-163-030215-
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-
356 pm edt wed sep 2 2026
.tonight...southwest winds 10 to 15 knots. a slight chance of
showers and thunderstorms through the early overnight, then a
chance of showers and thunderstorms late. waves 1 to 2 feet.
.thursday...west winds 5 to 10 knots becoming southeast. a chance
of showers and thunderstorms early, then a slight chance of
showers and thunderstorms late in the morning. a chance of
showers and thunderstorms in the afternoon. waves around 1 foot.
.thursday night...southeast winds 5 to 10 knots becoming east. a
chance of showers and thunderstorms in the evening, then showers
likely with a chance of thunderstorms overnight. waves 1 foot or
less.
.friday...northeast winds 10 knots or less. a chance of showers.
waves 1 foot or less.
.friday night...northeast winds 10 knots or less. a chance of
showers. waves 1 foot or less.
.saturday...northeast winds 5 to 10 knots. waves 1 to 2 feet.
.sunday...east winds 5 to 10 knots. waves 1 to 2 feet.
.monday...east winds 5 to 10 knots becoming southeast. waves
around 1 foot.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/2/2026 3:43 PM America/New_York.
Valid through 9/2/2026 11:45 PM America/New_York.
fzus63 kdtx 021943
glflh
expires:202609030345;;792762
open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt wed sep 2 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a few thunderstorms are passing through a very muggy
air mass this afternoon and evening as a weak cold front drops
southeastward through region. convective chances decrease a bit
overnight within the wake of the slowing front. daily
thunderstorm chances will persist into the weekend.
lhz361-362-030345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
343 pm edt wed sep 2 2026
.tonight...light and variable winds. a chance of showers and
thunderstorms in the evening. waves 2 feet or less.
.thursday...northwest winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less.
.thursday night...light and variable winds. waves 2 feet or less.
.friday...light and variable winds. waves 2 feet or less.
.friday night...light and variable winds. waves nearly calm.
.saturday...east winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less.
.sunday...light and variable winds becoming southeast 5 to
10 knots . waves 2 feet or less.
.monday...south winds 5 to 10 knots backing to the east early in
the evening...then becoming southeast 10 to 15 knots by midnight.
waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/2/2026 3:43 PM America/New_York.
Valid through 9/2/2026 11:45 PM America/New_York.
fzus63 kdtx 021943
glfsc
expires:202609030345;;792769
lake st clair forecast
national weather service detroit/pontiac mi
343 pm edt wed sep 2 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...a few thunderstorms are passing through a very muggy
air mass this afternoon and evening as a weak cold front drops
southeastward through region. convective chances decrease a bit
overnight within the wake of the slowing front. daily
thunderstorm chances will persist into the weekend.
lcz460-030345-
lake st clair-
343 pm edt wed sep 2 2026
.tonight...southwest winds 10 to 15 knots becoming west 5 to 10
knots after midnight. partly cloudy with scattered showers and
thunderstorms. waves 2 feet or less.
.thursday...light and variable winds becoming southeast 5 to 10
knots in the afternoon. partly sunny. a chance of showers and
thunderstorms early in the morning. a chance of showers and
thunderstorms in the afternoon. waves 2 feet or less.
.thursday night...south winds 5 to 10 knots backing to the northeast
in the late evening and overnight. partly cloudy becoming mostly
cloudy. a chance of thunderstorms early in the evening. a chance of
light showers. light showers likely after midnight. waves 2 feet or
less.
.friday...light and variable winds. mostly cloudy. light showers
likely until late afternoon. a chance of light showers early in the
afternoon. waves 2 feet or less.
.friday night...northeast winds 5 to 10 knots. partly cloudy. waves
2 feet or less.
.saturday...northeast winds 5 to 10 knots increasing to 10 to 15
knots in the evening. partly cloudy then clearing. waves 2 feet or
less.
.sunday...east winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.monday...southeast winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/2/2026 3:43 PM America/New_York.
Valid through 9/2/2026 11:45 PM America/New_York.
fzus63 kdtx 021943
glflh
expires:202609030345;;792763
open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt wed sep 2 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a few thunderstorms are passing through a very muggy
air mass this afternoon and evening as a weak cold front drops
southeastward through region. convective chances decrease a bit
overnight within the wake of the slowing front. daily
thunderstorm chances will persist into the weekend.
lhz363-462-030345-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
343 pm edt wed sep 2 2026
.tonight...light and variable winds. a chance of showers and
thunderstorms. waves 2 feet or less.
.thursday...light and variable winds. waves 2 feet or less.
.thursday night...light and variable winds. a chance of showers
after midnight. waves 2 feet or less.
.friday...light and variable winds. waves 2 feet or less.
.friday night...light and variable winds becoming north 5 to
10 knots after midnight. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less.
.sunday...light and variable winds becoming east 5 to 10 knots by
midnight. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots by midnight. waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/2/2026 3:43 PM America/New_York.
Valid through 9/2/2026 11:45 PM America/New_York.
fzus63 kdtx 021943
glflh
expires:202609030345;;792764
open lake forecast for lake huron
national weather service detroit/pontiac mi
343 pm edt wed sep 2 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...a few thunderstorms are passing through a very muggy
air mass this afternoon and evening as a weak cold front drops
southeastward through region. convective chances decrease a bit
overnight within the wake of the slowing front. daily
thunderstorm chances will persist into the weekend.
lhz463-464-030345-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
343 pm edt wed sep 2 2026
.tonight...north winds 5 to 10 knots in the evening becoming
light and variable. a chance of waterspouts in the evening.
showers and thunderstorms likely in the evening...then
thunderstorms likely and a chance of showers after midnight.
waves 2 feet or less.
.thursday...light and variable winds becoming northeast 5 to
10 knots late in the afternoon. a chance of showers and
thunderstorms in the morning. waves 2 feet or less.
.thursday night...northeast winds 5 to 10 knots early in the
evening becoming light and variable. a chance of showers after
midnight. waves 2 feet or less.
.friday...light and variable winds becoming north 5 to 10 knots
in the late morning and afternoon. a chance of showers. waves
2 feet or less.
.friday night...northeast winds 5 to 10 knots. waves 2 feet or
less.
.saturday...northeast winds 5 to 10 knots becoming north 10 to
15 knots late in the afternoon...then becoming northeast 5 to
10 knots late in the evening. waves 2 feet or less.
.sunday...east winds 5 to 10 knots backing to the northeast early
in the evening...then veering to the east by midnight. waves
2 feet or less.
.monday...southeast winds 5 to 10 knots backing to the east .
waves 2 feet or less.
$$
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