(1/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/3/2026 10:02 PM America/New_York.
Valid through 7/4/2026 5:00 AM America/New_York.
fzus61 kbuf 040202
glflo
expires:202607040900;;370833
open lake forecast for lake ontario
national weather service buffalo ny
1002 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 weak cold front will settle south across the lake
tonight, 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>065-040900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm edt fri jul 3 2026
.overnight...west winds 5 to 10 knots. 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.
$$
(2/9)
Latest Great Lakes Marine Forecast by KBUF
Issued 7/3/2026 10:02 PM America/New_York.
Valid through 7/4/2026 5:00 AM America/New_York.
fzus61 kbuf 040202
glflo
expires:202607040900;;370832
open lake forecast for lake ontario
national weather service buffalo ny
1002 pm edt fri jul 3 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a weak cold front will settle south across the lake
tonight, followed by another weak cold front saturday evening. a
30.2 inch high will then build from hudson bay saturday to quebec
and northern new england sunday night. a weak 29.9 inch low will
then develop over the upper ohio valley late sunday and move to the
mid atlantic by late monday. a broad 30.1 inch high is then forecast
to build into the great lakes tuesday through wednesday.
loz062-040900-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm edt fri jul 3 2026
.overnight...west winds 5 to 10 knots. a chance of showers,
then showers likely late. waves 1 foot or less.
.saturday...west winds less than 10 knots becoming southwest. a
chance of showers. waves 1 foot or less.
.saturday night...east winds 10 knots or less. a chance of
showers. waves 1 foot or less.
.sunday...east winds 5 to 15 knots. a chance of showers. waves
1 to 3 feet.
.sunday night...east winds 10 to 15 knots. a chance of showers.
waves 1 to 3 feet.
.monday...east winds 5 to 15 knots. showers likely with a chance
of thunderstorms during the day, then a chance of showers and
thunderstorms monday night. waves 1 to 3 feet.
.tuesday...northeast winds 10 knots or less becoming west. a
chance of showers during the day. waves 1 foot or less.
.wednesday...west winds 10 knots or less becoming southwest.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(3/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/3/2026 9:11 PM America/New_York.
Valid through 7/4/2026 4:15 AM America/New_York.
fzus61 kcle 040111
glfle
expires:202607040815;;369358
open lake forecast for lake erie
national weather service cleveland oh
911 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.
lez061-169-040815-
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-
911 pm edt fri jul 3 2026
.rest of tonight...west winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms, then 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
slight chance of showers and thunderstorms. 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.
$$
(4/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/3/2026 9:11 PM America/New_York.
Valid through 7/4/2026 4:15 AM America/New_York.
fzus61 kcle 040111
glfle
expires:202607040815;;369356
open lake forecast for lake erie
national weather service cleveland oh
911 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>164-040815-
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-
911 pm edt fri jul 3 2026
.rest of tonight...west winds 5 to 10 knots. a chance of showers
and thunderstorms late this evening, then a slight chance of
showers and thunderstorms after midnight. waves 1 foot or less.
.saturday...west winds 10 knots or less becoming southwest. a
slight chance of showers and thunderstorms early, then a chance
of showers late in the morning. a slight chance of showers and
thunderstorms late. waves 1 foot or less.
.saturday night...south winds 5 to 10 knots. showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms overnight. 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.
$$
(5/9)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/3/2026 9:11 PM America/New_York.
Valid through 7/4/2026 4:15 AM America/New_York.
fzus61 kcle 040111
glfle
expires:202607040815;;369357
open lake forecast for lake erie
national weather service cleveland oh
911 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>168-040815-
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-
911 pm edt fri jul 3 2026
.rest of tonight...west winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms late this evening, then a
slight chance of showers and thunderstorms after midnight. waves
2 feet or less.
.saturday...west winds 10 knots or less. 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.
$$
(6/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 10:01 PM America/New_York.
Valid through 7/4/2026 6:15 AM America/New_York.
fzus63 kdtx 040201
glflh
expires:202607041015;;370796
open lake forecast for lake huron
national weather service detroit/pontiac mi
1001 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...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.
lhz462>464-041015-
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-
1001 pm edt fri jul 3 2026
.rest of tonight...south winds 5 to 10 knots this evening
becoming light and variable. a chance of showers. 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.
$$
(7/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 10:01 PM America/New_York.
Valid through 7/4/2026 6:15 AM America/New_York.
fzus63 kdtx 040201
glfsc
expires:202607041015;;370799
lake st clair forecast
national weather service detroit/pontiac mi
1001 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...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.
lcz460-041015-
lake st clair-
1001 pm edt fri jul 3 2026
.rest of tonight...west winds 5 to 10 knots. partly cloudy. a chance
of light showers after midnight. 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.
$$
(8/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 10:01 PM America/New_York.
Valid through 7/4/2026 6:15 AM America/New_York.
fzus63 kdtx 040201
glflh
expires:202607041015;;370794
open lake forecast for lake huron
national weather service detroit/pontiac mi
1001 pm edt fri jul 3 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.
lhz361-041015-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
1001 pm edt fri jul 3 2026
.rest of tonight...northwest winds 5 to 10 knots. waves 2 feet or
less.
.saturday...north winds 5 to 10 knots veering to the northeast in
the late morning and early afternoon...then becoming light and
variable late in the afternoon. waves 2 feet or less.
.saturday night...light and variable winds becoming northeast
5 to 10 knots after midnight. waves 2 feet or less.
.sunday...east winds 10 to 15 knots. a chance of showers. waves
2 to 4 feet.
.sunday night...east winds 5 to 10 knots. a chance of showers.
waves 1 to 3 feet.
.monday...east winds 5 to 10 knots becoming light and variable.
waves 2 feet or less.
.tuesday...light and variable winds becoming west 5 to 10 knots
until early evening...then becoming west by midnight. waves
2 feet or less.
.wednesday...west winds 5 to 10 knots backing to the south by
midnight. a chance of. waves 2 feet or less.
$$
(9/9)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/3/2026 10:01 PM America/New_York.
Valid through 7/4/2026 6:15 AM America/New_York.
fzus63 kdtx 040201
glflh
expires:202607041015;;370795
open lake forecast for lake huron
national weather service detroit/pontiac mi
1001 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...a weak cold front will move through today, stalling
out across southern michigan. this will shift wind direction to
the northeast. scattered to numerous showers with some embedded
thunderstorms will also be likely for the remainder of the
weekend, the strongest of which could produce isolated gusts aoa
34 knots.
lhz362-363-041015-
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-
1001 pm edt fri jul 3 2026
.rest of tonight...light and variable winds becoming northwest
5 to 10 knots early in the morning. a chance of showers this
evening. 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
2 to 4 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.
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet.
.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.
$$
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