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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/29/2026 10:03 PM America/New_York.
Valid through 7/30/2026 5:00 AM America/New_York.
fzus61 kbuf 300203
glflo
expires:202607300900;;308110
open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt wed jul 29 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 weak trough averaging 29.6 inches lingers over lake ontario
through tonight. on thursday, the trough begins to exit eastward
while a ridge averaging 30.0 inches builds from the western great
lakes through thursday night. the ridge exits slowly eastward friday
through saturday before a cold front sweeps eastward across lake
ontario on sunday. in the wake of the cold frontal passage, a 30.0
inch high over the upper great lakes sunday, will slowly build
southeast across the central and lower great lakes sunday night
through tuesday.
loz062-300900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt wed jul 29 2026
.rest of tonight...northwest winds 15 to 20 knots becoming north
10 to 15 knots. waves 1 to 3 feet.
.thursday...north winds 5 to 15 knots becoming west. waves 1 to
3 feet subsiding to 1 foot or less.
.thursday night...west winds 10 knots or less becoming northwest.
waves 1 foot or less.
.friday...west winds less than 10 knots becoming southwest. waves
1 foot or less.
.friday night...southwest winds less than 10 knots. waves 1 foot
or less.
.saturday...south winds less than 10 knots becoming northeast. a
chance of showers saturday night. waves 1 foot or less.
.sunday...northeast winds 10 knots or less becoming north. a
chance of showers. waves 1 foot or less.
.monday...north winds 10 knots or less becoming northwest. waves
1 foot or less.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/29/2026 10:03 PM America/New_York.
Valid through 7/30/2026 5:00 AM America/New_York.
fzus61 kbuf 300203
glflo
expires:202607300900;;308111
open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt wed jul 29 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 weak trough averaging 29.6 inches lingers over lake ontario
through tonight. on thursday, the trough begins to exit eastward
while a ridge averaging 30.0 inches builds from the western great
lakes through thursday night. the ridge exits slowly eastward friday
through saturday before a cold front sweeps eastward across lake
ontario on sunday. in the wake of the cold frontal passage, a 30.0
inch high over the upper great lakes sunday, will slowly build
southeast across the central and lower great lakes sunday night
through tuesday.
loz063>065-300900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt wed jul 29 2026
.rest of tonight...north winds 10 to 15 knots. showers likely
late this evening, then a chance of showers after midnight. waves
1 to 3 feet.
.thursday...north winds 5 to 15 knots becoming northwest. waves
2 to 4 feet subsiding to 1 to 3 feet.
.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...southwest winds 10 knots or less becoming south.
waves 1 foot or less.
.saturday...south winds 10 knots or less. a chance of showers
saturday night. waves 1 foot or less.
.sunday...south winds 5 to 10 knots becoming north. showers
likely with a chance of thunderstorms. waves 1 foot or less.
.monday...north winds 10 knots or less becoming west. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/29/2026 11:28 PM America/New_York.
Valid through 7/30/2026 4:15 AM America/New_York.
fzus61 kcle 300328
glfle
expires:202607300815;;311146
open lake forecast for lake erie
national weather service cleveland oh
1128 pm edt wed jul 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...
a trough averaging 29.70 inches will linger across the lake
through today before a ridge averaging 30.00 inches builds east
across lake erie thursday and friday. low pressure 29.70 inches
will track south of lake erie as it moves east across the ohio
valley region this weekend.
lez061-169-300815-
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-
1128 pm edt wed jul 29 2026
.overnight...north winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.thursday...north winds 10 knots or less becoming west. waves
2 feet or less.
.thursday night...west winds 10 knots or less becoming east.
waves 1 foot or less.
.friday...southwest winds less than 10 knots becoming west. waves
1 foot or less.
.friday night...light and variable winds. waves 1 foot or less.
.saturday...southeast winds less than 10 knots becoming east. a
chance of showers saturday night. waves 1 foot or less.
.sunday...northeast winds 10 knots or less. a chance of showers
during the day. waves 1 foot or less.
.monday...northeast winds 10 knots or less becoming east. waves
1 foot or less.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/29/2026 11:28 PM America/New_York.
Valid through 7/30/2026 4:15 AM America/New_York.
fzus61 kcle 300328
glfle
expires:202607300815;;311144
open lake forecast for lake erie
national weather service cleveland oh
1128 pm edt wed jul 29 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a trough averaging 29.70 inches will linger across the lake
through today before a ridge averaging 30.00 inches builds east
across lake erie thursday and friday. low pressure 29.70 inches
will track south of lake erie as it moves east across the ohio
valley region this weekend.
lez162-163-300815-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
1128 pm edt wed jul 29 2026
.overnight...northeast winds 5 to 15 knots becoming north.
waves 1 to 3 feet.
.thursday...north winds 10 knots or less becoming east. waves
1 foot or less.
.thursday night...southeast winds 10 knots or less becoming
southwest. waves 1 foot or less.
.friday...southwest winds 10 knots or less becoming southeast.
waves 1 foot or less.
.friday night...southeast winds 5 to 10 knots becoming east. a
chance of showers overnight. waves 1 foot or less.
.saturday...east winds 5 to 10 knots becoming northeast. showers
likely during the day, then a chance of showers saturday night.
waves 2 feet or less.
.sunday...northeast winds 10 to 15 knots. a chance of showers
during the day. waves 1 to 2 feet.
.monday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/29/2026 11:28 PM America/New_York.
Valid through 7/30/2026 4:15 AM America/New_York.
fzus61 kcle 300328
glfle
expires:202607300815;;311145
open lake forecast for lake erie
national weather service cleveland oh
1128 pm edt wed jul 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...
a trough averaging 29.70 inches will linger across the lake
through today before a ridge averaging 30.00 inches builds east
across lake erie thursday and friday. low pressure 29.70 inches
will track south of lake erie as it moves east across the ohio
valley region this weekend.
lez164>168-300815-
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-
1128 pm edt wed jul 29 2026
.overnight...north winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet.
.thursday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet.
.thursday night...northwest winds 10 knots or less. waves 1 foot
or less.
.friday...southwest winds less than 10 knots. waves 1 foot or
less.
.friday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less.
.saturday...east winds 10 knots or less. a chance of showers.
waves 2 feet or less.
.sunday...northeast winds 5 to 15 knots. a chance of showers
during the day. waves 2 feet or less.
.monday...northeast winds 5 to 10 knots becoming east. waves 1 to
2 feet.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/29/2026 9:54 PM America/New_York.
Valid through 7/30/2026 6:00 AM America/New_York.
fzus63 kdtx 300154
glflh
expires:202607301000;;307793
open lake forecast for lake huron
national weather service detroit/pontiac mi
954 pm edt wed jul 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 drop southeast across the central great
lakes through the end of the week. late friday and through the
weekend, a surface low is progged to track east across the ohio
valley. locally, winds across the central great lakes will become
north-northeast saturday. as this low approaches, the likelihood
of showers and a few thunderstorms increase late friday and on
saturday. on sunday, north winds will briefly become reinforced
and lingering chances for showers and storms remain in the
forecast as a cold front drops south across the region. high
pressure follows for early next week.
lhz361-301000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
954 pm edt wed jul 29 2026
.rest of tonight...northwest winds 5 to 10 knots by midnight
becoming light and variable. waves 2 feet or less.
.thursday...light and variable winds becoming east 5 to 10 knots
late in the afternoon. waves 2 feet or less.
.thursday night...southeast winds 5 to 10 knots veering to the
south in the late evening and overnight. waves 2 feet or less.
.friday...south winds 5 to 10 knots until late afternoon becoming
light and variable. a chance of showers in the afternoon. waves
2 feet or less.
.friday night...west winds 5 to 10 knots. a chance of showers in
the evening...then showers likely after midnight. waves 2 feet or
less.
.saturday...northwest winds 5 to 10 knots in the morning becoming
light and variable...then becoming north 5 to 10 knots late in
the evening. showers likely in the morning...then a chance of
showers late in the morning. waves 2 feet or less.
.sunday...northeast winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less.
.monday...light and variable winds. waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/29/2026 9:54 PM America/New_York.
Valid through 7/30/2026 6:00 AM America/New_York.
fzus63 kdtx 300154
glfsc
expires:202607301000;;307802
lake st clair forecast
national weather service detroit/pontiac mi
954 pm edt wed jul 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 drop southeast across the central great
lakes through the end of the week. late friday and through the
weekend, a surface low is progged to track east across the ohio
valley. locally, winds across the central great lakes will become
north-northeast saturday. as this low approaches, the likelihood
of showers and a few thunderstorms increase late friday and on
saturday. on sunday, north winds will briefly become reinforced
and lingering chances for showers and storms remain in the
forecast as a cold front drops south across the region. high
pressure follows for early next week.
lcz460-301000-
lake st clair-
954 pm edt wed jul 29 2026
.rest of tonight...north winds 5 to 10 knots. clear. waves 2 feet or
less.
.thursday...northwest winds 10 to 15 knots becoming north 5 to 10
knots in the late morning and afternoon. sunny. waves 2 feet or
less.
.thursday night...northeast winds 5 to 10 knots early in the evening
becoming light and variable. mostly clear. waves 2 feet or less.
.friday...light and variable winds becoming southeast 5 to 10 knots
early in the afternoon. mostly sunny. waves 2 feet or less.
.friday night...south winds 5 to 10 knots veering to the northwest
by midnight...then veering to the northeast after midnight. cloudy.
a chance of light showers. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. mostly cloudy. a chance
of showers and thunderstorms in the afternoon and evening. waves 2
feet or less.
.sunday...north winds 15 to 20 knots. partly cloudy. a chance of
showers. waves 2 feet or less.
.monday...northeast winds 10 to 15 knots. mostly clear. waves 2 feet
or less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/29/2026 9:54 PM America/New_York.
Valid through 7/30/2026 6:00 AM America/New_York.
fzus63 kdtx 300154
glflh
expires:202607301000;;307795
open lake forecast for lake huron
national weather service detroit/pontiac mi
954 pm edt wed jul 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 drop southeast across the central great
lakes through the end of the week. late friday and through the
weekend, a surface low is progged to track east across the ohio
valley. locally, winds across the central great lakes will become
north-northeast saturday. as this low approaches, the likelihood
of showers and a few thunderstorms increase late friday and on
saturday. on sunday, north winds will briefly become reinforced
and lingering chances for showers and storms remain in the
forecast as a cold front drops south across the region. high
pressure follows for early next week.
lhz462>464-301000-
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-
954 pm edt wed jul 29 2026
.rest of tonight...north winds 5 to 10 knots. waves 1 to 3 feet.
.thursday...north winds 5 to 10 knots until late afternoon
becoming light and variable. waves 1 to 3 feet.
.thursday night...light and variable winds. waves 2 feet or less.
.friday...light and variable winds becoming south 5 to 10 knots
in the late morning and afternoon. waves 2 feet or less.
.friday night...light and variable winds becoming southeast 5 to
10 knots by midnight...then becoming light and variable after
midnight. a chance of showers. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. a chance of showers.
waves 2 feet or less.
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots
until early evening...then decreasing to 5 to 10 knots by
midnight. waves 1 to 3 feet building to 2 to 4 feet .
.monday...north winds 5 to 10 knots. waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/29/2026 9:54 PM America/New_York.
Valid through 7/30/2026 6:00 AM America/New_York.
fzus63 kdtx 300154
glflh
expires:202607301000;;307794
open lake forecast for lake huron
national weather service detroit/pontiac mi
954 pm edt wed jul 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 drop southeast across the central great
lakes through the end of the week. late friday and through the
weekend, a surface low is progged to track east across the ohio
valley. locally, winds across the central great lakes will become
north-northeast saturday. as this low approaches, the likelihood
of showers and a few thunderstorms increase late friday and on
saturday. on sunday, north winds will briefly become reinforced
and lingering chances for showers and storms remain in the
forecast as a cold front drops south across the region. high
pressure follows for early next week.
lhz362-363-301000-
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-
954 pm edt wed jul 29 2026
.rest of tonight...northwest winds 10 to 15 knots becoming north
5 to 10 knots after midnight. waves 1 to 3 feet.
.thursday...light and variable winds. waves 2 feet or less.
.thursday night...light and variable winds becoming southeast
5 to 10 knots in the late evening and overnight. waves 2 feet or
less.
.friday...south winds 5 to 10 knots. a chance of showers in the
afternoon. waves 2 feet or less.
.friday night...southeast winds 5 to 10 knots early in the
evening becoming light and variable. a chance of showers in the
evening...then showers likely after midnight. waves 2 feet or
less.
.saturday...light and variable winds becoming north 5 to 10 knots
late in the evening. a chance of showers. waves 2 feet or less.
.sunday...north winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then decreasing to 5 to
10 knots . waves 1 to 3 feet.
.monday...north winds 5 to 10 knots early in the morning becoming
light and variable. waves 2 feet or less.
$$
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