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(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/3/2026 4:02 PM America/New_York.
Valid through 7/3/2026 11:00 PM America/New_York.
fzus61 kbuf 032002
glflo
expires:202607040300;;355421
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 3 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 30.1 inch high will remain in place today from the
upper ohio valley to the mid atlantic. a weak cold front will settle
south across the lake this evening, followed by another weak cold
front saturday evening. a 30.2 inch high will then build from hudson
bay saturday to quebec and northern new england sunday night. a weak
29.9 inch low will then develop over the upper ohio valley late
sunday and move to the mid atlantic by late monday. a broad 30.1
inch high is then forecast to build into the great lakes tuesday
through wednesday.
loz062-040300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 3 2026
.tonight...west winds 5 to 10 knots. a chance of showers early. a
chance of showers after midnight. waves 1 foot or less.
.saturday...west winds less than 10 knots becoming southwest. a
chance of showers. waves 1 foot or less.
.saturday night...east winds 10 knots or less. a chance of
showers. waves 1 foot or less.
.sunday...east winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet.
.sunday night...east winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet.
.monday...east winds 5 to 15 knots. showers likely with a chance
of thunderstorms during the day, then a chance of showers and
thunderstorms monday night. waves 1 to 3 feet.
.tuesday...northeast winds 10 knots or less becoming west. a
chance of showers during the day. waves 1 foot or less.
.wednesday...west winds 10 knots or less becoming southwest.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/3/2026 4:02 PM America/New_York.
Valid through 7/3/2026 11:00 PM America/New_York.
fzus61 kbuf 032002
glflo
expires:202607040300;;355422
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri jul 3 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 30.1 inch high will remain in place today from the
upper ohio valley to the mid atlantic. a weak cold front will settle
south across the lake this evening, followed by another weak cold
front saturday evening. a 30.2 inch high will then build from hudson
bay saturday to quebec and northern new england sunday night. a weak
29.9 inch low will then develop over the upper ohio valley late
sunday and move to the mid atlantic by late monday. a broad 30.1
inch high is then forecast to build into the great lakes tuesday
through wednesday.
loz063>065-040300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri jul 3 2026
.tonight...west winds 5 to 10 knots. a chance of showers early. a
chance of showers late. waves 1 to 2 feet.
.saturday...west winds 10 knots or less. a chance of showers
through early afternoon. waves 1 foot or less.
.saturday night...northwest winds 10 knots or less becoming east.
a chance of showers overnight. waves 1 foot or less.
.sunday...east winds 5 to 10 knots becoming northeast. a chance
of showers. waves 1 foot or less.
.sunday night...northeast winds 5 to 15 knots becoming east. a
chance of showers. waves 2 feet or less.
.monday...east winds 5 to 10 knots. showers likely with a chance
of thunderstorms. waves 2 feet or less.
.tuesday...east winds 10 knots or less becoming southwest. a
chance of showers. waves 1 foot or less.
.wednesday...southwest winds 5 to 10 knots. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/3/2026 3:43 PM America/New_York.
Valid through 7/3/2026 10:15 PM America/New_York.
fzus61 kcle 031943
glfle
expires:202607040215;;354631
open lake forecast for lake erie
national weather service cleveland oh
343 pm edt fri jul 3 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 30.10 inches currently influences lake erie through
saturday evening as a cold front will drift south over the region
through saturday night. low pressure 29.80 inches will move
through the great lakes region late sunday night dragging a cold
front through. high pressure 30.00 builds into the region early
tuesday.
lez165>168-040215-
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-
343 pm edt fri jul 3 2026
.tonight...southwest winds 5 to 10 knots. a slight chance of
showers and thunderstorms early, then a chance of showers and
thunderstorms from late evening on. waves 2 feet or less.
.saturday...west winds 10 knots or less. a slight chance of
showers in the morning, then a slight chance of showers and
thunderstorms in the afternoon. waves 1 foot or less.
.saturday night...west winds 10 knots or less becoming south. a
chance of showers and thunderstorms. waves 1 foot or less.
.sunday...southwest winds 5 to 10 knots becoming east. showers
with a chance of thunderstorms. waves 1 foot or less.
.sunday night...east winds 5 to 15 knots becoming southeast.
showers likely with a chance of thunderstorms. waves 1 to 2 feet.
.monday...southeast winds 5 to 10 knots becoming northeast. a
chance of showers and thunderstorms during the day, then a chance
of showers monday night. waves 1 to 2 feet.
.tuesday...northeast winds 10 knots or less. waves 2 feet or
less.
.wednesday...northwest winds 10 knots or less becoming south.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/3/2026 3:43 PM America/New_York.
Valid through 7/3/2026 10:15 PM America/New_York.
fzus61 kcle 031943
glfle
expires:202607040215;;354632
open lake forecast for lake erie
national weather service cleveland oh
343 pm edt fri jul 3 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 30.10 inches currently influences lake erie through
saturday evening as a cold front will drift south over the region
through saturday night. low pressure 29.80 inches will move
through the great lakes region late sunday night dragging a cold
front through. high pressure 30.00 builds into the region early
tuesday.
lez061-169-040215-
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-
343 pm edt fri jul 3 2026
.tonight...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms. a chance of showers with a slight chance of
thunderstorms late. waves 1 to 2 feet.
.saturday...southwest winds 10 knots or less becoming west. a
chance of showers with a slight chance of thunderstorms early,
then a slight chance of showers and thunderstorms from late
morning on. waves around 1 foot.
.saturday night...southeast winds less than 10 knots becoming
south. a chance of showers and thunderstorms. waves 1 foot or
less.
.sunday...east winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms. waves 1 foot or less.
.sunday night...northeast winds 5 to 10 knots becoming east.
showers likely with a chance of thunderstorms in the evening,
then showers likely overnight. waves 2 feet or less.
.monday...east winds 5 to 10 knots becoming northeast. showers
likely with a chance of thunderstorms during the day, then a
chance of showers monday night. waves 1 foot or less.
.tuesday...northeast winds 10 knots or less becoming north. waves
1 foot or less.
.wednesday...west winds less than 10 knots becoming south. waves
1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/3/2026 3:43 PM America/New_York.
Valid through 7/3/2026 10:15 PM America/New_York.
fzus61 kcle 031943
glfle
expires:202607040215;;354630
open lake forecast for lake erie
national weather service cleveland oh
343 pm edt fri jul 3 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 30.10 inches currently influences lake erie through
saturday evening as a cold front will drift south over the region
through saturday night. low pressure 29.80 inches will move
through the great lakes region late sunday night dragging a cold
front through. high pressure 30.00 builds into the region early
tuesday.
lez162>164-040215-
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-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
343 pm edt fri jul 3 2026
.tonight...west winds 5 to 10 knots. a chance of showers and
thunderstorms early, then showers likely with a chance of
thunderstorms. a chance of showers with a slight chance of
thunderstorms late. waves 1 foot or less.
.saturday...west winds 10 knots or less becoming southwest. a
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon. waves
1 foot or less.
.saturday night...south winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 1 foot or less.
.sunday...southwest winds 5 to 10 knots becoming east. a chance
of showers and thunderstorms in the morning, then showers with a
chance of thunderstorms in the afternoon. waves 1 foot or less.
.sunday night...southeast winds 5 to 10 knots. showers with a
chance of thunderstorms in the evening, then showers likely
overnight. waves 2 feet or less.
.monday...east winds 5 to 10 knots becoming north. a chance of
showers and thunderstorms during the day, then a chance of
showers monday night. waves 1 foot or less.
.tuesday...north winds 10 knots or less becoming northeast. waves
1 foot or less.
.wednesday...northwest winds 10 knots or less becoming south.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 3:39 PM America/New_York.
Valid through 7/3/2026 11:45 PM America/New_York.
fzus63 kdtx 031939
glflh
expires:202607040345;;354369
open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 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...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.
lhz361-040345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
339 pm edt fri jul 3 2026
.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight...then veering to the west 5 to 10 knots early in the
morning. waves 2 feet or less.
.saturday...north winds 5 to 10 knots veering to the northeast in
the late morning and early afternoon...then becoming light and
variable late in the afternoon. waves 2 feet or less.
.saturday night...light and variable winds becoming northeast
5 to 10 knots after midnight. waves 2 feet or less.
.sunday...east winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.
.sunday night...east winds 5 to 10 knots. a chance of showers.
waves 1 to 3 feet.
.monday...east winds 5 to 10 knots becoming light and variable.
waves 2 feet or less.
.tuesday...light and variable winds becoming west 5 to 10 knots
until early evening...then becoming west by midnight. waves
2 feet or less.
.wednesday...west winds 5 to 10 knots backing to the south by
midnight. a chance of. waves 2 feet or less.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 3:39 PM America/New_York.
Valid through 7/3/2026 11:45 PM America/New_York.
fzus63 kdtx 031939
glfsc
expires:202607040345;;354420
lake st clair forecast
national weather service detroit/pontiac mi
339 pm edt fri jul 3 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...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.
lcz460-040345-
lake st clair-
339 pm edt fri jul 3 2026
...severe thunderstorm watch 447 in effect until 10 pm edt this
evening...
.tonight...west winds 5 to 10 knots. partly cloudy. a chance of
thunderstorms in the evening. a chance of light showers. waves 2
feet or less.
.saturday...west winds 5 to 10 knots early in the morning becoming
light and variable...then becoming southeast 5 to 10 knots late in
the afternoon. partly sunny. a chance of light showers early in the
morning. a chance of light showers early in the afternoon...then
showers likely and a chance of thunderstorms late in the afternoon.
waves 2 feet or less.
.saturday night...east winds 5 to 10 knots. partly cloudy early in
the evening becoming mostly cloudy. light showers likely and a
chance of thunderstorms early in the evening. a chance of showers in
the late evening and overnight. a chance of thunderstorms after
midnight. locally heavy rainfall possible by midnight. waves 2 feet
or less.
.sunday...southeast winds 5 to 10 knots. a chance of thunderstorms
early in the morning. a chance of light showers until late
afternoon...then showers and a chance of thunderstorms early in the
afternoon. waves 2 feet or less.
.sunday night...east winds 10 to 15 knots. showers in the evening. a
chance of thunderstorms. light showers likely after midnight. waves
2 feet or less.
.monday...east winds 10 to 15 knots diminishing to 5 to 10 knots in
the afternoon...then backing to the northeast in the evening. partly
cloudy. a chance of showers and thunderstorms. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.wednesday...south winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 3:39 PM America/New_York.
Valid through 7/3/2026 11:45 PM America/New_York.
fzus63 kdtx 031939
glflh
expires:202607040345;;354370
open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.
lhz362-363-040345-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
339 pm edt fri jul 3 2026
.tonight...light and variable winds becoming northwest 5 to
10 knots early in the morning. waves 2 feet or less.
.saturday...northeast winds 5 to 10 knots. a chance of showers in
the morning. waves 2 feet or less.
.saturday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less.
.sunday...east winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet.
.sunday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. a chance of showers. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight.
.monday...northeast winds 5 to 10 knots. waves 2 feet or less.
.tuesday...light and variable winds. waves 2 feet or less.
.wednesday...light and variable winds becoming southeast 5 to
10 knots by midnight. waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 3:39 PM America/New_York.
Valid through 7/3/2026 11:45 PM America/New_York.
fzus63 kdtx 031939
glflh
expires:202607040345;;354371
open lake forecast for lake huron
national weather service detroit/pontiac mi
339 pm edt fri jul 3 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...scattered to numerous showers and embedded
thunderstorms will be likely this evening across the southern
great lakes. strong to severe thunderstorm development will be
possible with wind gusts aoa 45 knots as the primary hazard. a
weak cold front then passes south across the region tomorrow,
shifting wind direction to the northeast.
lhz462>464-040345-
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-
339 pm edt fri jul 3 2026
.tonight...north winds 5 to 10 knots early in the evening
becoming light and variable. a chance of showers after midnight.
waves 2 feet or less.
.saturday...light and variable winds becoming north 5 to 10 knots
in the afternoon. a chance of showers. waves 2 feet or less.
.saturday night...northeast winds 5 to 10 knots. a chance of
showers after midnight. waves 2 feet or less.
.sunday...east winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. showers likely in the morning...then
showers likely and a chance of thunderstorms in the afternoon.
waves 1 to 3 feet.
.sunday night...east winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. showers likely in the evening...then a
chance of showers after midnight. waves 1 to 3 feet.
.monday...east winds 5 to 10 knots backing to the northeast late
in the afternoon. a chance of showers in the morning. waves
2 feet or less.
.tuesday...north winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less.
.wednesday...light and variable winds. waves 2 feet or less.
$$
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