(1/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/18/2026 5:52 PM America/New_York.
Valid through 7/18/2026 10:15 PM America/New_York.
fzus61 kcle 182152
glfle
expires:202607190215;;198474
open lake forecast for lake erie
national weather service cleveland oh
552 pm edt sat jul 18 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...
low pressure 29.70 inches enters the region as a cold front moves
southeast across lake erie into tonight. as the cold front
exits, high pressure 30.00 inches will briefly enter the region
sunday and monday. a warm front will lift into the region
monday and will be quickly followed by another cold front on
tuesday. a trough averaging 29.80 inches will linger across the
eastern great lakes on wednesday.
lez162-190215-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
552 pm edt sat jul 18 2026
.tonight...northwest winds 15 to 20 knots becoming north. a
chance of showers and thunderstorms early. patchy smoke early,
then areas of smoke late this evening. patchy smoke after
midnight. waves 1 to 3 feet.
.sunday...northeast winds 5 to 15 knots becoming southeast
10 knots or less. patchy smoke from late morning on. waves 2 feet
or less.
.sunday night...east winds 5 to 10 knots becoming south. patchy
smoke in the evening. waves 1 foot or less.
.monday...southwest winds 5 to 10 knots becoming south. waves
1 foot or less.
.monday night...south winds 10 to 15 knots becoming southwest
15 to 20 knots. showers with a chance of thunderstorms overnight.
waves 1 to 3 feet.
.tuesday...southwest winds 15 to 20 knots becoming northwest.
showers likely with a chance of thunderstorms during the day.
waves 2 to 4 feet.
.wednesday...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 1 to 3 feet.
.thursday...northwest winds 10 knots or less becoming south.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/18/2026 5:52 PM America/New_York.
Valid through 7/18/2026 10:15 PM America/New_York.
fzus61 kcle 182152
glfle
expires:202607190215;;198475
open lake forecast for lake erie
national weather service cleveland oh
552 pm edt sat jul 18 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...
low pressure 29.70 inches enters the region as a cold front moves
southeast across lake erie into tonight. as the cold front
exits, high pressure 30.00 inches will briefly enter the region
sunday and monday. a warm front will lift into the region
monday and will be quickly followed by another cold front on
tuesday. a trough averaging 29.80 inches will linger across the
eastern great lakes on wednesday.
lez163-190215-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
552 pm edt sat jul 18 2026
...severe thunderstorm watch 492 in effect until 9 pm edt this
evening...
.tonight...northwest winds 15 to 20 knots becoming northeast. a
chance of showers and thunderstorms early. patchy smoke. waves
1 to 3 feet building to 2 to 4 feet.
.sunday...northeast winds 5 to 15 knots becoming east less than
10 knots. patchy smoke from late morning on. waves 1 to 3 feet
subsiding to 1 foot or less.
.sunday night...northeast winds 10 knots or less becoming south.
patchy smoke in the evening. waves 1 foot or less.
.monday...south winds 10 knots or less. waves 1 foot or less.
.monday night...south winds 5 to 15 knots becoming southwest
15 to 20 knots. showers likely overnight. waves 1 to 3 feet.
.tuesday...southwest winds 15 to 20 knots becoming northwest.
showers likely with a chance of thunderstorms during the day.
waves 2 to 4 feet.
.wednesday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.thursday...north winds 10 knots or less becoming south. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/18/2026 5:52 PM America/New_York.
Valid through 7/18/2026 10:15 PM America/New_York.
fzus61 kcle 182152
glfle
expires:202607190215;;198476
open lake forecast for lake erie
national weather service cleveland oh
552 pm edt sat jul 18 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...
low pressure 29.70 inches enters the region as a cold front moves
southeast across lake erie into tonight. as the cold front
exits, high pressure 30.00 inches will briefly enter the region
sunday and monday. a warm front will lift into the region
monday and will be quickly followed by another cold front on
tuesday. a trough averaging 29.80 inches will linger across the
eastern great lakes on wednesday.
lez164-165-190215-
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-
552 pm edt sat jul 18 2026
...severe thunderstorm watch 492 in effect until 9 pm edt this
evening...
.tonight...northwest winds 15 to 20 knots becoming north. showers
likely with a chance of thunderstorms early, then a slight chance
of showers and thunderstorms late this evening. patchy smoke from
late evening on. waves 3 to 5 feet.
.sunday...northeast winds 5 to 15 knots diminishing to less than
10 knots. patchy smoke from late morning on. waves 2 to 4 feet
subsiding to 1 to 2 feet.
.sunday night...north winds less than 10 knots becoming
southeast. patchy smoke in the evening. waves 1 foot or less.
.monday...south winds 10 knots or less. waves 1 foot or less.
.monday night...south winds 5 to 15 knots increasing to 15 to
20 knots. showers likely overnight. waves 1 to 3 feet building to
2 to 4 feet.
.tuesday...southwest winds 15 to 25 knots becoming northwest.
showers with a chance of thunderstorms during the day, then a
chance of showers tuesday night. waves 3 to 5 feet.
.wednesday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.thursday...north winds 10 knots or less becoming south. waves
2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(4/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/18/2026 5:52 PM America/New_York.
Valid through 7/18/2026 10:15 PM America/New_York.
fzus61 kcle 182152
glfle
expires:202607190215;;198477
open lake forecast for lake erie
national weather service cleveland oh
552 pm edt sat jul 18 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...
low pressure 29.70 inches enters the region as a cold front moves
southeast across lake erie into tonight. as the cold front
exits, high pressure 30.00 inches will briefly enter the region
sunday and monday. a warm front will lift into the region
monday and will be quickly followed by another cold front on
tuesday. a trough averaging 29.80 inches will linger across the
eastern great lakes on wednesday.
lez166>169-190215-
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-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
552 pm edt sat jul 18 2026
...severe thunderstorm watch 492 in effect until 9 pm edt this
evening...
.tonight...northwest winds 15 to 20 knots becoming north. showers
likely with a chance of thunderstorms early. patchy smoke from
late evening on. waves 3 to 6 feet.
.sunday...northeast winds 5 to 15 knots becoming northwest.
patchy smoke. waves 2 to 4 feet subsiding to 1 to 3 feet.
.sunday night...northwest winds 10 knots or less. patchy smoke in
the evening. waves 1 foot or less.
.monday...southwest winds 10 knots or less. waves 1 foot or less.
.monday night...south winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers overnight. waves 1 foot or less
building to 3 to 5 feet.
.tuesday...southwest winds 15 to 25 knots becoming northwest.
showers with a chance of thunderstorms. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet.
.wednesday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet.
.thursday...northwest winds 10 knots or less becoming south.
waves 2 feet or less.
winds and waves higher in and near thunderstorms.
$$
(5/7)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/18/2026 3:51 PM America/New_York.
Valid through 7/18/2026 10:30 PM America/New_York.
fzus61 kcle 181951
glfle
expires:202607190230;;193079
open lake forecast for lake erie
national weather service cleveland oh
351 pm edt sat jul 18 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...
low pressure 29.70 inches enters the region as a cold front moves
southeast across lake erie into tonight. as the cold front
exits, high pressure 30.00 inches will briefly enter the region
sunday and monday. a warm front will lift into the region
monday and will be quickly followed by another cold front on
tuesday. a trough averaging 29.80 inches will linger across the
eastern great lakes on wednesday.
lez162-163-190230-
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-
351 pm edt sat jul 18 2026
...severe thunderstorm watch 492 in effect until 9 pm edt this
evening...
.tonight...northwest winds 15 to 20 knots becoming northeast. a
chance of showers and thunderstorms early. patchy smoke. waves
1 to 3 feet building to 2 to 4 feet.
.sunday...northeast winds 5 to 15 knots becoming east less than
10 knots. patchy smoke from late morning on. waves 1 to 3 feet
subsiding to 1 foot or less.
.sunday night...east winds 10 knots or less becoming south.
patchy smoke in the evening. waves 1 foot or less.
.monday...south winds 5 to 10 knots. waves 1 foot or less.
.monday night...south winds 5 to 15 knots becoming southwest
15 to 20 knots. showers likely overnight. waves 1 to 3 feet.
.tuesday...southwest winds 15 to 20 knots becoming northwest.
showers likely with a chance of thunderstorms during the day.
waves 2 to 4 feet.
.wednesday...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet.
.thursday...northwest winds 10 knots or less becoming south.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(6/7)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/18/2026 5:32 PM America/New_York.
Valid through 7/19/2026 1:45 AM America/New_York.
fzus63 kdtx 182132 aaa
glfsc
expires:202607190545;;197682
lake st clair forecast...updated
national weather service detroit/pontiac mi
532 pm edt sat jul 18 2026
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a low pressure system tracking through the northern
lakes region will drag a cold front through the eastern lakes
through this evening. high pressure will then build in tonight
and remain across the region through the rest of the weekend.
lcz460-190545-
lake st clair-
532 pm edt sat jul 18 2026
.tonight...north winds 15 to 20 knots diminishing to 10 to 15 knots
early in the morning. mostly clear. areas of smoke in the
evening...then patchy smoke after midnight. waves 1 to 3 feet.
.sunday...north winds 10 to 15 knots diminishing to 5 to 10 knots in
the late morning and afternoon. mostly sunny. patchy smoke until
late afternoon. waves 2 feet or less.
.sunday night...northeast winds 5 to 10 knots becoming light and
variable. clear. waves 2 feet or less.
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly sunny. waves 2 feet or less.
.monday night...south winds 15 to 20 knots. partly cloudy ...then
showers after midnight. waves 1 to 3 feet.
.tuesday...southwest winds 20 to 25 knots becoming west 15 to 20
knots in the afternoon...then veering to the northwest in the
evening. mostly cloudy in the morning becoming mostly clear in the
evening. light showers and a chance of thunderstorms. waves 1 to 3
feet.
.wednesday...north winds 20 to 25 knots. mostly clear. waves 2 to 4
feet.
.thursday...southeast winds 5 to 10 knots. clear. waves 2 feet or
less.
$$
(7/7)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/18/2026 3:46 PM America/New_York.
Valid through 7/19/2026 12:00 AM America/New_York.
fzus63 kdtx 181946
glflh
expires:202607190400;;192885
open lake forecast for lake huron
national weather service detroit/pontiac mi
346 pm edt sat jul 18 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 low pressure system tracking through the northern
lakes region will drag a cold front through the eastern lakes
through this evening. high pressure will then build in tonight
and remain across the region through the rest of the weekend.
lhz464-190400-
lake huron from port sanilac to port huron beyond 5nm off shore-
346 pm edt sat jul 18 2026
.tonight...north winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. patchy smoke. waves 5 to
7 feet. waves occasionally around 10 feet.
.sunday...north winds 10 to 15 knots. patchy smoke in the
morning. waves 3 to 5 feet subsiding to 1 to 3 feet in the
afternoon.
.sunday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less.
.monday...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the late morning and afternoon. waves 2 feet or less.
.monday night...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. a chance of showers
in the evening...then showers after midnight. waves 2 to 4 feet.
.tuesday...south winds 15 to 20 knots becoming southwest 10 to
15 knots late in the morning...then becoming northwest 15 to
20 knots late in the afternoon increasing to 20 to 25 knots with
gusts to around 30 knots late in the evening. showers. a chance
of thunderstorms late in the morning...then a chance of showers
late in the evening. waves 3 to 5 feet building to 6 to 9 feet
late in the evening. waves occasionally around 12 feet.
.wednesday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots. waves 6 to 9 feet. waves
occasionally around 12 feet.
.thursday...northwest winds 5 to 10 knots backing to the south by
midnight. waves 3 to 5 feet subsiding to 2 feet or less .
$$
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