(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/4/2026 10:02 AM America/New_York.
Valid through 9/4/2026 5:00 PM America/New_York.
fzus61 kbuf 041402
glflo
expires:202609042100;;891996
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri sep 4 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 high pressure ridge averaging 30.1 inches builds gradually from
northern ontario through monday. during monday night, a cold front
will sweep southward across lake ontario. behind the front, another
ridge averaging 30.1 inches builds from near james bay through
tuesday. on wednesday, the ridge should exit southeastward and allow
a warm front to sweep northeastward across lake ontario.
loz062-042100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt fri sep 4 2026
.this afternoon...northwest winds 10 knots or less becoming west.
waves 1 foot or less.
.tonight...west winds 5 to 10 knots becoming northeast. waves
1 foot or less.
.saturday...northeast winds around 10 knots becoming light and
variable. waves 1 foot or less.
.saturday night...light and variable winds becoming northeast
around 10 knots. waves 2 feet or less.
.sunday...northeast winds 10 to 15 knots becoming light and
variable. waves 2 feet or less.
.monday...light and variable winds. waves 1 foot or less.
.tuesday...northeast winds 5 to 15 knots becoming southeast. a
chance of showers tuesday night. waves 2 feet or less.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 9/4/2026 10:02 AM America/New_York.
Valid through 9/4/2026 5:00 PM America/New_York.
fzus61 kbuf 041402
glflo
expires:202609042100;;891997
open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt fri sep 4 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
a high pressure ridge averaging 30.1 inches builds gradually from
northern ontario through monday. during monday night, a cold front
will sweep southward across lake ontario. behind the front, another
ridge averaging 30.1 inches builds from near james bay through
tuesday. on wednesday, the ridge should exit southeastward and allow
a warm front to sweep northeastward across lake ontario.
loz063>065-042100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt fri sep 4 2026
.this afternoon...northwest winds 10 knots or less becoming west.
waves 1 foot or less.
.tonight...west winds 5 to 10 knots becoming northeast. waves
2 feet or less.
.saturday...north winds 5 to 10 knots. waves 2 feet or less.
.saturday night...north winds 5 to 15 knots becoming northeast.
waves 1 to 3 feet.
.sunday...northeast winds 5 to 15 knots diminishing to less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less.
.monday...northwest winds 10 knots or less. waves 1 foot or less.
.tuesday...northeast winds 5 to 15 knots becoming southeast.
waves 1 foot or less.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/4/2026 10:08 AM America/New_York.
Valid through 9/4/2026 4:15 PM America/New_York.
fzus61 kcle 041408
glfle
expires:202609042015;;892360
open lake forecast for lake erie
national weather service cleveland oh
1008 am edt fri sep 4 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 located near lake erie will work its way to
the south tonight and into the ohio valley through saturday with
pressure averaging 29.90 inches. a ridge averaging 30.00 inches
will build from the great lakes into northern ohio this weekend
and into early next week.
lez162-163-042015-
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-
1008 am edt fri sep 4 2026
.this afternoon...southwest winds 10 knots or less becoming west.
showers and thunderstorms, then a chance of showers with a slight
chance of thunderstorms late. waves 1 foot or less.
.tonight...northeast winds 10 knots or less becoming east. a
chance of showers and thunderstorms. waves 1 foot or less.
.saturday...northeast winds 10 to 15 knots. a chance of showers
in the morning. waves 1 to 3 feet.
.saturday night...northeast winds 10 to 15 knots. waves 1 to
3 feet.
.sunday...northeast winds 10 to 15 knots becoming east. waves
1 to 3 feet.
.monday...east winds 5 to 10 knots. waves 2 feet or less.
.tuesday...southeast winds 5 to 15 knots becoming south. waves
2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/4/2026 10:08 AM America/New_York.
Valid through 9/4/2026 4:15 PM America/New_York.
fzus61 kcle 041408
glfle
expires:202609042015;;892361
open lake forecast for lake erie
national weather service cleveland oh
1008 am edt fri sep 4 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 located near lake erie will work its way to
the south tonight and into the ohio valley through saturday with
pressure averaging 29.90 inches. a ridge averaging 30.00 inches
will build from the great lakes into northern ohio this weekend
and into early next week.
lez164>167-042015-
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-
1008 am edt fri sep 4 2026
.this afternoon...west winds 10 knots or less. showers and
thunderstorms, then a chance of showers with a slight chance of
thunderstorms late. waves 1 foot or less.
.tonight...northwest winds 10 knots or less becoming northeast. a
slight chance of showers and thunderstorms early, then a chance
of showers and thunderstorms from late evening on. waves 1 foot
or less.
.saturday...northeast winds 5 to 15 knots. a chance of showers in
the morning. waves 1 to 3 feet.
.saturday night...northeast winds 10 to 15 knots becoming east.
waves 2 to 3 feet.
.sunday...northeast winds 15 to 20 knots becoming east 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.monday...east winds 5 to 10 knots becoming southeast. waves
2 feet or less.
.tuesday...southeast winds 5 to 15 knots becoming south. waves
1 to 3 feet.
winds and waves higher in and near thunderstorms.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 9/4/2026 10:08 AM America/New_York.
Valid through 9/4/2026 4:15 PM America/New_York.
fzus61 kcle 041408
glfle
expires:202609042015;;892362
open lake forecast for lake erie
national weather service cleveland oh
1008 am edt fri sep 4 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 located near lake erie will work its way to
the south tonight and into the ohio valley through saturday with
pressure averaging 29.90 inches. a ridge averaging 30.00 inches
will build from the great lakes into northern ohio this weekend
and into early next week.
lez061-168-169-042015-
ripley to buffalo ny extending from 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-
1008 am edt fri sep 4 2026
.this afternoon...northwest winds less than 10 knots becoming
west. a chance of showers and thunderstorms, then a slight chance
of showers and thunderstorms late. waves 1 foot or less.
.tonight...northwest winds 10 knots or less becoming northeast. a
slight chance of showers and thunderstorms in the evening. waves
1 foot or less.
.saturday...northeast winds 5 to 15 knots. waves 1 to 3 feet.
.saturday night...northeast winds 5 to 15 knots. waves 1 to
3 feet.
.sunday...northeast winds 5 to 15 knots becoming east. waves 1 to
3 feet.
.monday...east winds 10 knots or less. waves 1 foot or less.
.tuesday...east winds 5 to 15 knots becoming south. a chance of
showers tuesday night. waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/4/2026 9:37 AM America/New_York.
Valid through 9/4/2026 6:00 PM America/New_York.
fzus63 kdtx 041337
glfsc
expires:202609042200;;891292
lake st clair forecast
national weather service detroit/pontiac mi
937 am edt fri sep 4 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a stalled frontal boundary remains draped across the
southern and western great lakes today. additional rounds of
storms follow along and north of the front today until the front
dislodges southward tonight. dry weather is then forecast for
saturday and sunday.
lcz460-042200-
lake st clair-
937 am edt fri sep 4 2026
.rest of today...light and variable winds. showers late in the
morning. a chance of light showers early in the afternoon. waves
nearly calm.
.tonight...northeast winds 5 to 10 knots. partly cloudy. a chance of
thunderstorms by midnight. a chance of light showers in the late
evening and overnight. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots increasing to 10 to 15
knots early in the afternoon. partly sunny. waves 2 feet or less.
.saturday night...northeast winds 15 to 20 knots diminishing to 5 to
10 knots. partly cloudy early in the evening then clearing. waves 2
feet or less.
.sunday...northeast winds 5 to 10 knots. sunny becoming mostly
clear. waves 2 feet or less.
.monday...east winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.tuesday...southeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/4/2026 9:36 AM America/New_York.
Valid through 9/4/2026 6:00 PM America/New_York.
fzus63 kdtx 041336
glflh
expires:202609042200;;891288
open lake forecast for lake huron
national weather service detroit/pontiac mi
936 am edt fri sep 4 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 stalled frontal boundary remains draped across the
southern and western great lakes today. additional rounds of
storms follow along and north of the front today until the front
dislodges southward tonight. dry weather is then forecast for
saturday and sunday.
lhz363-462-042200-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
936 am edt fri sep 4 2026
.rest of today...light and variable winds. waves 2 feet or less.
.tonight...northeast winds 5 to 10 knots. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. waves 2 feet or less.
.saturday night...northeast winds 5 to 10 knots. waves 2 feet or
less.
.sunday...northeast winds 5 to 10 knots in the morning becoming
light and variable. waves 2 feet or less.
.monday...light and variable winds becoming east 5 to 10 knots by
midnight. waves 2 feet or less.
.tuesday...east winds 5 to 10 knots becoming southeast 10 to
15 knots . a chance of showers...then showers likely by midnight.
waves 1 to 3 feet building to 2 to 4 feet by midnight.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/4/2026 9:36 AM America/New_York.
Valid through 9/4/2026 6:00 PM America/New_York.
fzus63 kdtx 041336
glflh
expires:202609042200;;891287
open lake forecast for lake huron
national weather service detroit/pontiac mi
936 am edt fri sep 4 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a stalled frontal boundary remains draped across the
southern and western great lakes today. additional rounds of
storms follow along and north of the front today until the front
dislodges southward tonight. dry weather is then forecast for
saturday and sunday.
lhz361-362-042200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
936 am edt fri sep 4 2026
.rest of today...east winds 5 to 10 knots late in the morning
becoming light and variable. patchy fog late in the morning.
waves 2 feet or less.
.tonight...light and variable winds becoming northeast 5 to
10 knots early in the morning. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 feet or less.
.saturday night...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds. waves 2 feet or less.
.monday...light and variable winds becoming east 5 to 10 knots by
midnight. waves 2 feet or less.
.tuesday...southeast winds 10 to 15 knots increasing to 15 to
20 knots by midnight. a chance of showers. waves 1 to 3 feet
building to 2 to 4 feet .
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 9/4/2026 9:36 AM America/New_York.
Valid through 9/4/2026 6:00 PM America/New_York.
fzus63 kdtx 041336
glflh
expires:202609042200;;891289
open lake forecast for lake huron
national weather service detroit/pontiac mi
936 am edt fri sep 4 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 stalled frontal boundary remains draped across the
southern and western great lakes today. additional rounds of
storms follow along and north of the front today until the front
dislodges southward tonight. dry weather is then forecast for
saturday and sunday.
lhz463-464-042200-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
936 am edt fri sep 4 2026
.rest of today...light and variable winds becoming northeast 5 to
10 knots late in the afternoon. a chance of showers. waves 2 feet
or less.
.tonight...northeast winds 5 to 10 knots. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots becoming north 10 to
15 knots early in the afternoon. waves 2 feet or less.
.saturday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots after midnight. waves 1 to 3 feet.
.sunday...northeast winds 5 to 10 knots. waves 2 feet or less.
.monday...southeast winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots by
midnight. waves 2 feet or less.
.tuesday...southeast winds 5 to 10 knots increasing to 10 to
15 knots . a chance of showers by midnight. waves 1 to 3 feet
building to 2 to 4 feet by midnight.
$$
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