(1/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/20/2026 10:03 PM America/New_York.
Valid through 10/21/2026 5:00 AM America/New_York.
fzus61 kbuf 210203
glflo
expires:202610210900;;914374
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue oct 20 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 30.4 inch high over quebec tonight will drift east
across the canadian maritimes wednesday. a weak cold front will then
move south across the lake thursday. a 30.3 inch high will then
build from the upper great lakes thursday to the lower great lakes
friday, then settle over new england saturday through sunday while
strengthening to 30.6 inches.
loz063>065-210900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt tue oct 20 2026
.overnight...northeast winds 10 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet.
.wednesday...east winds 5 to 10 knots becoming north. waves
2 feet or less.
.wednesday night...north winds 10 knots or less becoming
northwest. waves 1 foot or less.
.thursday...north winds 5 to 15 knots. waves 1 to 3 feet.
.thursday night...north winds 15 to 20 knots becoming northeast.
waves 2 to 4 feet.
.friday...northeast winds 5 to 15 knots becoming southeast less
than 10 knots. waves 2 to 4 feet subsiding to 2 feet or less.
.saturday...south winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less.
.sunday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less.
$$
(2/8)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/20/2026 10:03 PM America/New_York.
Valid through 10/21/2026 5:00 AM America/New_York.
fzus61 kbuf 210203
glflo
expires:202610210900;;914373
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt tue oct 20 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.4 inch high over quebec tonight will drift east
across the canadian maritimes wednesday. a weak cold front will then
move south across the lake thursday. a 30.3 inch high will then
build from the upper great lakes thursday to the lower great lakes
friday, then settle over new england saturday through sunday while
strengthening to 30.6 inches.
loz062-210900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt tue oct 20 2026
.overnight...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet.
.wednesday...east winds 10 knots or less becoming northeast.
waves 1 to 2 feet.
.wednesday night...light and variable winds becoming northwest
5 to 10 knots. waves 1 foot or less.
.thursday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less.
.thursday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet.
.friday...northeast winds 10 knots or less becoming southeast.
waves 1 to 3 feet subsiding to 1 foot or less.
.saturday...southeast winds 10 knots or less becoming south.
waves 1 foot or less.
.sunday...southwest winds 5 to 15 knots. waves 2 feet or less.
$$
(3/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/20/2026 9:23 PM America/New_York.
Valid through 10/21/2026 4:15 AM America/New_York.
fzus61 kcle 210123
glfle
expires:202610210815;;913660
open lake forecast for lake erie
national weather service cleveland oh
923 pm edt tue oct 20 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 30.40 inches will maintain influence over lake erie
for the next several days. the high will briefly weaken to 30.20
inches wednesday and thursday.
lez061-169-210815-
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-
923 pm edt tue oct 20 2026
.overnight...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.wednesday...east winds 10 knots or less becoming northeast.
waves 2 feet or less.
.wednesday night...northeast winds less than 10 knots. waves
1 foot or less.
.thursday...north winds 10 knots or less. waves 1 foot or less.
.thursday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet.
.friday...northeast winds 5 to 15 knots becoming southeast. waves
1 to 3 feet subsiding to 1 foot or less.
.saturday...south winds 10 knots or less. waves 1 foot or less.
.sunday...south winds 5 to 15 knots becoming southwest. waves
1 to 2 feet.
$$
(4/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/20/2026 9:23 PM America/New_York.
Valid through 10/21/2026 4:15 AM America/New_York.
fzus61 kcle 210123
glfle
expires:202610210815;;913658
open lake forecast for lake erie
national weather service cleveland oh
923 pm edt tue oct 20 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
high pressure 30.40 inches will maintain influence over lake erie
for the next several days. the high will briefly weaken to 30.20
inches wednesday and thursday.
lez162-163-210815-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
923 pm edt tue oct 20 2026
.overnight...east winds 5 to 15 knots. waves 1 to 3 feet.
.wednesday...east winds less than 10 knots. waves 2 feet or less.
.wednesday night...light and variable winds. waves 1 foot or
less.
.thursday...northwest winds 10 knots or less becoming north.
waves 1 foot or less.
.thursday night...northeast winds 5 to 15 knots. waves 1 to
3 feet.
.friday...northeast winds 5 to 10 knots becoming southeast. waves
1 to 3 feet.
.saturday...south winds 10 knots or less. waves 1 foot or less.
.sunday...south winds 5 to 10 knots becoming southwest. waves
1 foot or less.
$$
(5/8)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/20/2026 9:23 PM America/New_York.
Valid through 10/21/2026 4:15 AM America/New_York.
fzus61 kcle 210123
glfle
expires:202610210815;;913659
open lake forecast for lake erie
national weather service cleveland oh
923 pm edt tue oct 20 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 30.40 inches will maintain influence over lake erie
for the next several days. the high will briefly weaken to 30.20
inches wednesday and thursday.
lez164>168-210815-
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-
923 pm edt tue oct 20 2026
.overnight...east winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet.
.wednesday...southeast winds 10 knots or less becoming northeast.
waves 1 to 3 feet subsiding to 1 foot or less.
.wednesday night...northeast winds 10 knots or less becoming
north. waves 1 foot or less.
.thursday...north winds 5 to 10 knots. waves 1 foot or less.
.thursday night...north winds 15 to 20 knots becoming northeast.
waves 1 to 3 feet building to 2 to 4 feet.
.friday...east winds 5 to 15 knots becoming southeast. waves 2 to
4 feet subsiding to 1 to 3 feet.
.saturday...southeast winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less.
.sunday...south winds 5 to 15 knots becoming southwest. waves
1 to 3 feet.
$$
(6/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/20/2026 10:10 PM America/New_York.
Valid through 10/21/2026 6:15 AM America/New_York.
fzus63 kdtx 210210
glflh
expires:202610211015;;915033
open lake forecast for lake huron
national weather service detroit/pontiac mi
1010 pm edt tue oct 20 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, 30.50 inches, over southern quebec
today will provide light southerly winds. a dry cold front washes
out over the area early thursday morning, before another area of
high pressure then stalls overhead through the end of the week.
lhz363-462>464-211015-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
1010 pm edt tue oct 20 2026
.rest of tonight...east winds 5 to 10 knots becoming southeast
10 to 15 knots after midnight. waves 1 to 3 feet.
.wednesday...south winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. waves 1 to 3 feet.
.wednesday night...southeast winds 5 to 10 knots early in the
evening becoming light and variable...then becoming northwest
5 to 10 knots after midnight. waves 2 feet or less.
.thursday...north winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet.
.thursday night...northeast winds 10 to 15 knots becoming east
5 to 10 knots after midnight. waves 1 to 3 feet.
.friday...southeast winds 5 to 10 knots increasing to 10 to
15 knots late in the evening. waves 2 feet or less.
.saturday...southeast winds 10 to 15 knots becoming south 15 to
20 knots by midnight. waves 1 to 3 feet building to 2 to 4 feet
by midnight.
.sunday...south winds 10 to 15 knots. waves 2 to 4 feet.
$$
(7/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/20/2026 10:10 PM America/New_York.
Valid through 10/21/2026 6:15 AM America/New_York.
fzus63 kdtx 210210
glflh
expires:202610211015;;915032
open lake forecast for lake huron
national weather service detroit/pontiac mi
1010 pm edt tue oct 20 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, 30.50 inches, over southern quebec
today will provide light southerly winds. a dry cold front washes
out over the area early thursday morning, before another area of
high pressure then stalls overhead through the end of the week.
lhz361-362-211015-
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-
1010 pm edt tue oct 20 2026
.rest of tonight...southeast winds 5 to 10 knots veering to the
south early in the morning. waves 1 to 3 feet.
.wednesday...south winds 5 to 10 knots. waves 1 to 3 feet.
.wednesday night...light and variable winds becoming northwest
5 to 10 knots after midnight. waves 2 feet or less.
.thursday...north winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 feet or less.
.thursday night...light and variable winds becoming east 5 to
10 knots after midnight. waves 2 feet or less.
.friday...southeast winds 5 to 10 knots. waves 2 feet or less.
.saturday...south winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet by midnight.
.sunday...southwest winds 10 to 15 knots veering to the west by
midnight. waves 2 to 4 feet.
$$
(8/8)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/20/2026 10:10 PM America/New_York.
Valid through 10/21/2026 6:15 AM America/New_York.
fzus63 kdtx 210210
glfsc
expires:202610211015;;915018
lake st clair forecast
national weather service detroit/pontiac mi
1010 pm edt tue oct 20 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...high pressure, 30.50 inches, over southern quebec
today will provide light southerly winds. a dry cold front washes
out over the area early thursday morning, before another area of
high pressure then stalls overhead through the end of the week.
lcz460-211015-
lake st clair-
1010 pm edt tue oct 20 2026
.rest of tonight...east winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.wednesday...east winds 5 to 10 knots early in the morning becoming
light and variable. sunny. waves 2 feet or less.
.wednesday night...light and variable winds. clear. waves nearly
calm.
.thursday...north winds 5 to 10 knots. mostly sunny. waves 2 feet or
less.
.thursday night...northeast winds 10 to 15 knots. clear. waves 2
feet or less.
.friday...east winds 5 to 10 knots. clear. waves 2 feet or less.
.saturday...southeast winds 5 to 10 knots. mostly clear. waves 2
feet or less.
.sunday...southwest winds 5 to 10 knots. partly cloudy. waves 2 feet
or less.
$$
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