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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/17/2026 10:03 AM America/New_York.
Valid through 10/17/2026 5:00 PM America/New_York.
fzus61 kbuf 171403
glflo
expires:202610172100;;255423
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt sat oct 17 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 29.1 inch low over the canadian maritimes today will
move northeast and into the north atlantic by this evening. a 30.5
inch high will then build into the ohio valley tonight, expanding
into the mid atlantic and new england sunday through monday while
gradually weakening to 30.3 inches. another 30.4 inch high will then
build east across quebec tuesday through wednesday.
loz062-172100-
lake ontario open waters from the niagara river to hamlin beach-
1003 am edt sat oct 17 2026
.this afternoon...north winds 10 to 15 knots becoming west. waves
2 to 4 feet subsiding to 1 to 3 feet.
.tonight...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet.
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet building to 3 to 5 feet.
.sunday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.monday...west winds 10 knots or less becoming north. waves
2 feet or less.
.tuesday...northeast winds 10 knots or less. waves 2 feet or
less.
.wednesday...northeast winds 10 knots or less becoming east.
waves 2 feet or less.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 10/17/2026 10:03 AM America/New_York.
Valid through 10/17/2026 5:00 PM America/New_York.
fzus61 kbuf 171403
glflo
expires:202610172100;;255424
open lake forecast for lake ontario
national weather service buffalo ny
1003 am edt sat oct 17 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 29.1 inch low over the canadian maritimes today will
move northeast and into the north atlantic by this evening. a 30.5
inch high will then build into the ohio valley tonight, expanding
into the mid atlantic and new england sunday through monday while
gradually weakening to 30.3 inches. another 30.4 inch high will then
build east across quebec tuesday through wednesday.
loz063>065-172100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 am edt sat oct 17 2026
.this afternoon...north winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 3 to 6 feet subsiding to 1 to 2 feet.
.tonight...west winds 10 to 15 knots becoming southwest. waves
1 to 3 feet.
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.sunday night...southwest winds 10 to 15 knots. waves 1 to
3 feet.
.monday...southwest winds 5 to 15 knots becoming north less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less.
.tuesday...northeast winds 5 to 15 knots. waves 2 feet or less.
.wednesday...northeast winds 5 to 15 knots becoming southeast.
waves 2 feet or less.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/17/2026 9:48 AM America/New_York.
Valid through 10/17/2026 4:15 PM America/New_York.
fzus61 kcle 171348
glfle
expires:202610172015;;254972
open lake forecast for lake erie
national weather service cleveland oh
948 am edt sat oct 17 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 30.50 inches will build into the region today,
weakening slightly to 30.30 inches by mid to late next week.
lez162-163-172015-
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-
948 am edt sat oct 17 2026
.this afternoon...north winds 15 to 20 knots becoming northwest
and diminishing to 10 knots or less. waves 2 to
4 feet subsiding to 1 to 3 feet.
.tonight...west winds 5 to 15 knots becoming southwest. waves
1 foot or less.
.sunday...southwest winds 10 to 15 knots. waves 2 feet or less.
.sunday night...southwest winds 5 to 10 knots. waves 1 foot or
less.
.monday...southwest winds 10 knots or less becoming northeast.
waves 1 foot or less.
.tuesday...northeast winds 10 knots or less. waves 2 feet or
less.
.wednesday...east winds 10 knots or less. waves 2 feet or less.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/17/2026 9:48 AM America/New_York.
Valid through 10/17/2026 4:15 PM America/New_York.
fzus61 kcle 171348
glfle
expires:202610172015;;254973
open lake forecast for lake erie
national weather service cleveland oh
948 am edt sat oct 17 2026
for waters beyond five nautical miles of shore on lake erie
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...
high pressure 30.50 inches will build into the region today,
weakening slightly to 30.30 inches by mid to late next week.
lez164>168-172015-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
948 am edt sat oct 17 2026
.this afternoon...north winds 15 to 20 knots becoming northwest
5 to 15 knots. waves 4 to 7 feet subsiding to 1 to 3 feet. waves
occasionally around 9 feet.
.tonight...west winds 5 to 15 knots becoming southwest. waves
2 feet or less.
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet.
.sunday night...southwest winds 5 to 15 knots becoming south.
waves 2 feet or less.
.monday...southwest winds 10 knots or less becoming northeast.
waves 1 foot or less.
.tuesday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less.
.wednesday...east winds 5 to 10 knots. waves 1 to 3 feet.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 10/17/2026 9:48 AM America/New_York.
Valid through 10/17/2026 4:15 PM America/New_York.
fzus61 kcle 171348
glfle
expires:202610172015;;254974
open lake forecast for lake erie
national weather service cleveland oh
948 am edt sat oct 17 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 30.50 inches will build into the region today,
weakening slightly to 30.30 inches by mid to late next week.
lez061-169-172015-
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-
948 am edt sat oct 17 2026
.this afternoon...north winds 15 to 20 knots becoming northwest
and diminishing to 10 knots or less. waves 3 to
5 feet subsiding to 1 to 3 feet.
.tonight...west winds 5 to 15 knots becoming southwest. waves
2 feet or less.
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.sunday night...southwest winds 10 to 15 knots becoming south.
waves 1 to 3 feet.
.monday...southwest winds 10 knots or less becoming north. waves
1 foot or less.
.tuesday...northeast winds 5 to 10 knots becoming east. waves
2 feet or less.
.wednesday...east winds 10 knots or less becoming southeast.
waves 2 feet or less.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/17/2026 9:49 AM America/New_York.
Valid through 10/17/2026 6:00 PM America/New_York.
fzus63 kdtx 171349
glfsc
expires:202610172200;;254982
lake st clair forecast
national weather service detroit/pontiac mi
949 am edt sat oct 17 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a ridge of high pressure passes across the central
great lakes this morning then settles across the ohio valley on
sunday. this produces gusty westerly winds on sunday as deep low
pressure tracks across northern ontario. the high pressure then
builds northward into the great lakes early next week.
lcz460-172200-
lake st clair-
949 am edt sat oct 17 2026
.rest of today...north winds 15 to 20 knots becoming northwest 5 to
10 knots in the afternoon. sunny. waves 2 feet or less.
.tonight...west winds 5 to 10 knots becoming southwest 10 to 15
knots in the late evening and overnight. clear. waves 2 feet or
less.
.sunday...southwest winds 10 to 15 knots. sunny. waves 1 to 3 feet.
.sunday night...southwest winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. clear. waves 2 feet or less.
.monday...southwest winds 5 to 10 knots in the morning becoming
light and variable. clear. waves 2 feet or less.
.tuesday...light and variable winds. mostly clear. waves nearly
calm.
.wednesday...east winds 5 to 10 knots. clear. waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/17/2026 9:46 AM America/New_York.
Valid through 10/17/2026 6:00 PM America/New_York.
fzus63 kdtx 171346
glflh
expires:202610172200;;254923
open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt sat oct 17 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 ridge of high pressure passes across the central
great lakes this morning then settles across the ohio valley on
sunday. this produces gusty westerly winds on sunday as deep low
pressure tracks across northern ontario. the high pressure then
builds northward into the great lakes early next week.
lhz462>464-172200-
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-
946 am edt sat oct 17 2026
.rest of today...north winds 10 to 15 knots becoming northwest
5 to 10 knots early in the afternoon...then becoming west 10 to
15 knots late in the afternoon. waves 4 to 6 feet subsiding to
2 to 4 feet late in the afternoon. waves occasionally around
8 feet.
.tonight...southwest winds 15 to 20 knots. waves 3 to 5 feet.
.sunday...southwest winds 15 to 20 knots. waves 3 to 5 feet.
.sunday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots after midnight. waves 3 to 5 feet.
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon. waves 2 feet or less.
.tuesday...light and variable winds becoming northeast 5 to
10 knots by midnight. waves 2 feet or less.
.wednesday...southeast winds 5 to 10 knots until afternoon
becoming light and variable...then becoming southeast 5 to
10 knots by midnight. waves 2 feet or less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/17/2026 9:46 AM America/New_York.
Valid through 10/17/2026 6:00 PM America/New_York.
fzus63 kdtx 171346
glflh
expires:202610172200;;254922
open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt sat oct 17 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 ridge of high pressure passes across the central
great lakes this morning then settles across the ohio valley on
sunday. this produces gusty westerly winds on sunday as deep low
pressure tracks across northern ontario. the high pressure then
builds northward into the great lakes early next week.
lhz362-363-172200-
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-
946 am edt sat oct 17 2026
.rest of today...west winds 5 to 10 knots becoming southwest
15 to 20 knots. waves 2 to 4 feet subsiding to 1 to 3 feet early
in the afternoon...then building to 3 to 5 feet late in the
afternoon.
.tonight...southwest winds 15 to 20 knots. waves 5 to 7 feet.
waves occasionally around 10 feet.
.sunday...southwest winds 20 to 25 knots with gusts to 35 knot
gales. waves 6 to 9 feet. waves occasionally around 12 feet.
.sunday night...southwest winds 20 to 25 knots with gusts to
35 knot gales decreasing to 10 to 15 knots. waves 8 to 12 feet
subsiding to 5 to 7 feet after midnight. waves occasionally
around 15 feet.
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon. waves 3 to 5 feet subsiding to 1 to
3 feet.
.tuesday...light and variable winds becoming east 5 to 10 knots.
waves 2 feet or less.
.wednesday...light and variable winds becoming southeast 5 to
10 knots. waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 10/17/2026 9:46 AM America/New_York.
Valid through 10/17/2026 6:00 PM America/New_York.
fzus63 kdtx 171346
glflh
expires:202610172200;;254921
open lake forecast for lake huron
national weather service detroit/pontiac mi
946 am edt sat oct 17 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 ridge of high pressure passes across the central
great lakes this morning then settles across the ohio valley on
sunday. this produces gusty westerly winds on sunday as deep low
pressure tracks across northern ontario. the high pressure then
builds northward into the great lakes early next week.
lhz361-172200-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
946 am edt sat oct 17 2026
.rest of today...southwest winds 10 to 15 knots becoming west
20 to 25 knots with gusts to around 30 knots. waves 2 feet or
less building to 4 to 6 feet. waves occasionally around 8 feet.
.tonight...southwest winds 15 to 20 knots. gusts to 30 knots in
the evening. waves 4 to 6 feet. waves occasionally around 8 feet.
.sunday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. gusts to 30 knots. waves 3 to
5 feet.
.sunday night...southwest winds 10 to 15 knots. gusts to 30 knots
early in the evening. waves 2 to 4 feet.
.monday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the morning...then becoming light and variable
late in the afternoon. waves 2 feet or less.
.tuesday...light and variable winds becoming east 5 to 10 knots .
waves 2 feet or less.
.wednesday...southeast winds 5 to 10 knots. waves 2 feet or less.
$$
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