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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/3/2026 4:03 PM America/New_York.
Valid through 8/3/2026 11:00 PM America/New_York.
fzus61 kbuf 032003
glflo
expires:202608040300;;570261
open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon aug 3 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 ridge averaging 30.0 inches builds eastward across the
lake ontario region through tuesday and then exits slowly toward new
england through saturday. a cold front should approach lake ontario
slowly from the northwest this thursday through saturday.
loz062-040300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt mon aug 3 2026
.tonight...west winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet.
.tuesday...southwest winds 10 knots or less becoming north. waves
1 foot or less.
.tuesday night...east winds 10 knots or less becoming south.
waves 1 foot or less.
.wednesday...southwest winds less than 10 knots. waves 1 foot or
less.
.wednesday night...east winds 10 knots or less becoming
southwest. waves 1 foot or less.
.thursday...southwest winds less than 10 knots. a chance of
showers during the day, then a chance of showers and
thunderstorms thursday night. waves 1 foot or less.
.friday...west winds less than 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.saturday...southwest winds 10 knots or less. waves 1 foot or
less.
winds and waves higher in and near thunderstorms.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 8/3/2026 4:03 PM America/New_York.
Valid through 8/3/2026 11:00 PM America/New_York.
fzus61 kbuf 032003
glflo
expires:202608040300;;570262
open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt mon aug 3 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a ridge averaging 30.0 inches builds eastward across the
lake ontario region through tuesday and then exits slowly toward new
england through saturday. a cold front should approach lake ontario
slowly from the northwest this thursday through saturday.
loz063>065-040300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt mon aug 3 2026
.tonight...west winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.tuesday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less.
.tuesday night...east winds 10 knots or less becoming south.
waves 1 foot or less.
.wednesday...south winds 5 to 15 knots becoming east less than
10 knots. waves 1 foot or less.
.wednesday night...east winds 10 knots or less becoming south. a
chance of showers overnight. waves 1 foot or less.
.thursday...south winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.friday...west winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms. waves 1 foot or less.
.saturday...southwest winds 5 to 10 knots. a chance of showers
during the day. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 8/3/2026 3:55 PM America/New_York.
Valid through 8/3/2026 10:15 PM America/New_York.
fzus61 kcle 031955
glfle
expires:202608040215;;569965
open lake forecast for lake erie
national weather service cleveland oh
355 pm edt mon aug 3 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 30.00 inches tonight will weaken to a ridge
averaging 29.90 inches by midweek, persisting through the end of
the week when a cold front approaches.
lez164>168-040215-
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-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
355 pm edt mon aug 3 2026
.tonight...north winds 10 knots or less becoming southeast. waves
2 feet or less.
.tuesday...south winds less than 10 knots becoming northeast.
waves 1 foot or less.
.tuesday night...northeast winds less than 10 knots becoming
south. waves 1 foot or less.
.wednesday...south winds 10 knots or less becoming northwest.
waves 1 foot or less.
.wednesday night...northeast winds 10 knots or less becoming
south. waves 1 foot or less.
.thursday...southwest winds 5 to 10 knots. showers likely with a
chance of thunderstorms thursday night. waves 1 foot or less.
.friday...southwest winds 10 knots or less. a chance of showers
during the day, then a chance of showers and thunderstorms friday
night. waves 1 foot or less.
.saturday...southwest winds 10 knots or less. waves 2 feet or
less.
winds and waves higher in and near thunderstorms.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 8/3/2026 3:55 PM America/New_York.
Valid through 8/3/2026 10:15 PM America/New_York.
fzus61 kcle 031955
glfle
expires:202608040215;;569966
open lake forecast for lake erie
national weather service cleveland oh
355 pm edt mon aug 3 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
high pressure 30.00 inches tonight will weaken to a ridge
averaging 29.90 inches by midweek, persisting through the end of
the week when a cold front approaches.
lez061-169-040215-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
355 pm edt mon aug 3 2026
.tonight...west winds 10 knots or less becoming southeast. waves
2 feet or less.
.tuesday...south winds less than 10 knots becoming northwest.
waves 1 foot or less.
.tuesday night...northeast winds 10 knots or less becoming south.
waves 1 foot or less.
.wednesday...south winds 5 to 10 knots becoming light and
variable. waves 1 foot or less.
.wednesday night...light and variable winds becoming south 5 to
10 knots. a chance of showers. waves 1 foot or less.
.thursday...southwest winds 10 knots or less. a chance of showers
and thunderstorms during the day, then showers likely with a
chance of thunderstorms thursday night. waves 1 foot or less.
.friday...southwest winds 10 knots or less. a chance of showers
and thunderstorms during the day, then a chance of showers friday
night. waves 1 foot or less.
.saturday...southwest winds 10 knots or less. a chance of showers
saturday night. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 8/3/2026 3:55 PM America/New_York.
Valid through 8/3/2026 10:15 PM America/New_York.
fzus61 kcle 031955
glfle
expires:202608040215;;569964
open lake forecast for lake erie
national weather service cleveland oh
355 pm edt mon aug 3 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 30.00 inches tonight will weaken to a ridge
averaging 29.90 inches by midweek, persisting through the end of
the week when a cold front approaches.
lez162-163-040215-
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-
355 pm edt mon aug 3 2026
.tonight...east winds 10 knots or less becoming south. waves
1 foot or less.
.tuesday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less.
.tuesday night...southeast winds less than 10 knots becoming
south. waves 1 foot or less.
.wednesday...southwest winds less than 10 knots becoming
southeast. waves 1 foot or less.
.wednesday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less.
.thursday...southwest winds 5 to 10 knots becoming west. a chance
of showers and thunderstorms. waves 1 foot or less.
.friday...west winds 10 knots or less becoming southwest. waves
1 foot or less.
.saturday...southwest winds 5 to 10 knots. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 8/3/2026 3:52 PM America/New_York.
Valid through 8/4/2026 12:00 AM America/New_York.
fzus63 kdtx 031952
glflh
expires:202608040400;;569866
open lake forecast for lake huron
national weather service detroit/pontiac mi
352 pm edt mon aug 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.00 inches, is firmly established
across the central great lakes today offering dry weather and
light winds through mid-week. a weak cold front will move in from
the west and briefly stall out over lake huron wednesday. this
provides the first opportunity for showers and a few thunderstorms
for the latter half of the week.
lhz361-040400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
352 pm edt mon aug 3 2026
.tonight...light and variable winds becoming southwest 5 to
10 knots after midnight. waves 2 feet or less.
.tuesday...southwest winds 5 to 10 knots backing to the southeast
in the afternoon. waves 2 feet or less building to 2 to 4 feet
late in the afternoon.
.tuesday night...light and variable winds. a chance of showers
and thunderstorms after midnight. waves 3 to 5 feet subsiding to
1 to 3 feet after midnight.
.wednesday...light and variable winds. a chance of showers. waves
2 feet or less.
.wednesday night...light and variable winds. a chance of showers.
waves 2 feet or less.
.thursday...light and variable winds becoming south 5 to 10 knots
late in the evening. waves 2 feet or less.
.friday...southwest winds 5 to 10 knots backing to the southeast
early in the evening...then veering to the southwest by midnight.
waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots. a chance of showers by
midnight. waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 8/3/2026 3:52 PM America/New_York.
Valid through 8/4/2026 12:00 AM America/New_York.
fzus63 kdtx 031952
glfsc
expires:202608040400;;569910
lake st clair forecast
national weather service detroit/pontiac mi
352 pm edt mon aug 3 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, 30.00 inches, is firmly established
across the central great lakes today offering dry weather and
light winds through mid-week. a weak cold front will move in from
the west and briefly stall out over lake huron wednesday. this
provides the first opportunity for showers and a few thunderstorms
for the latter half of the week.
lcz460-040400-
lake st clair-
352 pm edt mon aug 3 2026
.tonight...east winds 5 to 10 knots this evening becoming light and
variable...then becoming south 5 to 10 knots early in the morning.
clear. waves 2 feet or less.
.tuesday...light and variable winds becoming south 5 to 10 knots in
the late morning and early afternoon...then becoming southeast 10 to
15 knots late in the afternoon. sunny. waves 2 feet or less.
.tuesday night...south winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. clear. waves 2 feet or
less.
.wednesday...light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. mostly sunny. waves 2 feet or
less.
.wednesday night...south winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.thursday...southwest winds 5 to 10 knots. partly sunny becoming
mostly cloudy. light showers likely in the afternoon. a chance of
thunderstorms in the afternoon and evening. a chance of showers in
the evening. waves 2 feet or less.
.friday...south winds 5 to 10 knots. partly cloudy. waves 2 feet or
less.
.saturday...south winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 8/3/2026 3:52 PM America/New_York.
Valid through 8/4/2026 12:00 AM America/New_York.
fzus63 kdtx 031952
glflh
expires:202608040400;;569867
open lake forecast for lake huron
national weather service detroit/pontiac mi
352 pm edt mon aug 3 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, 30.00 inches, is firmly established
across the central great lakes today offering dry weather and
light winds through mid-week. a weak cold front will move in from
the west and briefly stall out over lake huron wednesday. this
provides the first opportunity for showers and a few thunderstorms
for the latter half of the week.
lhz362-363-040400-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
352 pm edt mon aug 3 2026
.tonight...light and variable winds becoming southeast 5 to
10 knots late in the evening...then veering to the south after
midnight. waves 2 feet or less.
.tuesday...southwest winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet late in the
afternoon.
.tuesday night...south winds 15 to 20 knots becoming southwest
5 to 10 knots. waves 3 to 5 feet.
.wednesday...southwest winds 5 to 10 knots backing to the
southeast early in the afternoon. showers likely in the morning...
then a chance of showers in the afternoon. waves 1 to 3 feet.
.wednesday night...light and variable winds. a chance of showers.
waves 2 feet or less.
.thursday...light and variable winds. a chance of showers. waves
2 feet or less.
.friday...light and variable winds becoming south 5 to 10 knots.
waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots becoming south 10 to
15 knots . waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 8/3/2026 3:52 PM America/New_York.
Valid through 8/4/2026 12:00 AM America/New_York.
fzus63 kdtx 031952
glflh
expires:202608040400;;569868
open lake forecast for lake huron
national weather service detroit/pontiac mi
352 pm edt mon aug 3 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, 30.00 inches, is firmly established
across the central great lakes today offering dry weather and
light winds through mid-week. a weak cold front will move in from
the west and briefly stall out over lake huron wednesday. this
provides the first opportunity for showers and a few thunderstorms
for the latter half of the week.
lhz462>464-040400-
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-
352 pm edt mon aug 3 2026
.tonight...light and variable winds becoming south 5 to 10 knots
after midnight. waves 2 feet or less.
.tuesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots late in the afternoon. waves 2 feet or less.
.tuesday night...south winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 1 to 3 feet.
.wednesday...south winds 5 to 10 knots backing to the southeast
early in the afternoon. a chance of showers in the afternoon.
waves 2 feet or less.
.wednesday night...southeast winds 5 to 10 knots. a chance of
showers. waves 2 feet or less.
.thursday...south winds 5 to 10 knots becoming light and
variable. showers likely. a chance of thunderstorms late in the
morning. a chance of showers late in the afternoon. waves 2 feet
or less.
.friday...light and variable winds becoming east 5 to 10 knots
early in the evening...then veering to the south by midnight.
waves 2 feet or less.
.saturday...southwest winds 5 to 10 knots backing to the south .
waves 2 feet or less.
$$
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