(1/5)
Latest Great Lakes Marine Forecast by KCLE
Issued 7/4/2026 3:36 AM America/New_York.
Valid through 7/4/2026 10:15 AM America/New_York.
fzus61 kcle 040736
glfle
expires:202607041415;;384865
open lake forecast for lake erie
national weather service cleveland oh
336 am edt sat jul 4 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...
a cold front will waiver near lake erie through early sunday
before pushing south on sunday. weak low pressure 29.90 inches
will track through the northern ohio valley sunday night and
monday. low pressure exits to the east and southeast on tuesday
with high pressure 30.10 inches building in through wednesday.
lez162>164-041415-
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-
336 am edt sat jul 4 2026
.today...southwest winds 5 to 10 knots. a chance of showers and
thunderstorms this morning, then showers and thunderstorms likely
this afternoon. waves 1 foot or less.
.tonight...west winds 5 to 10 knots becoming northwest. showers
and thunderstorms likely early, then a chance of showers and
thunderstorms from late evening on. waves 1 foot or less.
.sunday...northeast winds 5 to 15 knots. a chance of showers in
the morning, then showers likely with a chance of thunderstorms
in the afternoon. waves 2 feet or less.
.sunday night...northeast winds 10 to 15 knots. a chance of
showers and thunderstorms. waves 1 to 3 feet.
.monday...northeast winds 10 to 15 knots. a chance of showers and
thunderstorms during the day, then a chance of showers monday
night. waves 1 to 3 feet.
.tuesday...northeast winds 10 knots or less. waves 2 feet or
less.
.wednesday...north winds 10 knots or less becoming southwest.
waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/4/2026 3:44 AM America/New_York.
Valid through 7/4/2026 11:45 AM America/New_York.
fzus63 kdtx 040744
glfsc
expires:202607041545;;385101
lake st clair forecast
national weather service detroit/pontiac mi
344 am edt sat jul 4 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.
lcz460-041545-
lake st clair-
344 am edt sat jul 4 2026
.today...west winds 5 to 10 knots backing to the southeast late in
the afternoon. partly sunny. a chance of light showers early in the
morning. a chance of thunderstorms in the afternoon. light showers
likely late in the afternoon. waves 2 feet or less.
.tonight...south winds 5 to 10 knots backing to the northeast in the
late evening and overnight. partly cloudy becoming mostly cloudy
late this evening becoming partly cloudy. a chance of showers and
thunderstorms in the evening. a chance of showers and thunderstorms
early in the morning. waves 2 feet or less.
.sunday...northeast winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. mostly cloudy. a chance of light showers
until late afternoon...then a chance of showers and thunderstorms
early in the afternoon. waves 2 feet or less.
.sunday night...northeast winds 10 to 15 knots. partly cloudy. a
chance of thunderstorms early in the evening. a chance of light
showers...then a chance of thunderstorms after midnight. waves 2
feet or less.
.monday...northeast winds 10 to 15 knots. partly sunny with a chance
of showers and thunderstorms in the morning...then partly cloudy in
the afternoon and evening. waves 2 feet or less.
.tuesday...east winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.wednesday...south winds 5 to 10 knots. mostly clear. waves 2 feet
or less.
$$
(3/5)
Latest Great Lakes Marine Forecast by KDTX
Issued 7/4/2026 3:43 AM America/New_York.
Valid through 7/4/2026 11:45 AM America/New_York.
fzus63 kdtx 040743
glflh
expires:202607041545;;385099
open lake forecast for lake huron
national weather service detroit/pontiac mi
343 am edt sat jul 4 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>464-041545-
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-
343 am edt sat jul 4 2026
.today...light and variable winds becoming north 5 to 10 knots in
the afternoon. a chance of showers. waves 2 feet or less.
.tonight...north winds 5 to 10 knots. a chance of showers in the
evening. waves 2 feet or less.
.sunday...northeast winds 5 to 10 knots becoming north 10 to
15 knots early in the afternoon. waves 1 to 3 feet.
.sunday night...north winds 10 to 15 knots becoming northeast
5 to 10 knots in the late evening and overnight. waves 1 to
3 feet.
.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 north 5 to
10 knots early in the evening...then veering to the southeast by
midnight. waves 2 feet or less.
$$
(4/5)
Latest Great Lakes Marine Forecast by KMKX
Issued 7/4/2026 3:08 AM US/Central.
Valid through 7/4/2026 10:30 AM US/Central.
fzus63 kmkx 040808
glflm
expires:202607041530;;386160
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 am cdt sat jul 4 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.
.synopsis...
high pressure around 30.4 inches will remain well north of the
region today and tonight, shifting east to over james bay on
sunday. weak low pressure around 29.9 inches will develop and
slowly move east across northern illinois into indiana during this
time. scattered showers and some thunderstorms are expected at
times through the weekend. fog, possibly dense at times, will be
possible mainly over the northern portions of the lake, as warm
and humid air flows over the relatively cooler lake waters. shower
and thunderstorm chances will end sunday night, with quieter
weather for the start of next week.
lmz261-362-364-366-563-565-567-868-041530-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
308 am cdt sat jul 4 2026
sheboygan wi to pentwater mi north...
.today...northeast winds 5 to 10 kt increasing to 10 to 20 kt.
slight chance of showers and thunderstorms this morning. areas of
dense fog this morning, then patchy dense fog this afternoon.
waves 1 to 2 ft.
.tonight...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. slight chance of showers overnight. waves 1 to 2 ft.
.sunday...northeast winds 10 to 20 kt. waves 1 to 3 ft.
.sunday night...northeast winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 2 to 4 ft.
.monday...northeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.monday night...northeast winds 10 to 20 kt becoming north 5 to
10 kt. waves 1 to 3 ft.
.tuesday...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. waves 1 ft or less.
.wednesday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 2 ft.
$$
(5/5)
Latest Great Lakes Marine Forecast by KMKX
Issued 7/4/2026 3:08 AM US/Central.
Valid through 7/4/2026 10:30 AM US/Central.
fzus63 kmkx 040808
glflm
expires:202607041530;;386161
open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
308 am cdt sat jul 4 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.
.synopsis...
high pressure around 30.4 inches will remain well north of the
region today and tonight, shifting east to over james bay on
sunday. weak low pressure around 29.9 inches will develop and
slowly move east across northern illinois into indiana during this
time. scattered showers and some thunderstorms are expected at
times through the weekend. fog, possibly dense at times, will be
possible mainly over the northern portions of the lake, as warm
and humid air flows over the relatively cooler lake waters. shower
and thunderstorm chances will end sunday night, with quieter
weather for the start of next week.
lmz080-669-671-673-675-777-779-870-872-874-876-878-041530-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
308 am cdt sat jul 4 2026
sheboygan wi to pentwater mi south...
.today...southwest winds 5 to 10 kt becoming west late this
morning, then increasing to 10 to 20 kt early this afternoon
veering to north late. patchy dense fog this morning, then patchy
fog this afternoon. slight chance of showers and thunderstorms
this morning, then chance of showers and slight chance of
thunderstorms this afternoon. waves 1 to 2 ft.
.tonight...north winds 10 to 20 kt becoming northeast 10 to
15 kt. slight chance of showers and thunderstorms in the evening,
then chance of showers and slight chance of thunderstorms
overnight. patchy fog overnight. waves 1 to 2 ft.
.sunday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
patchy fog in the morning. waves 1 to 3 ft.
.sunday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 2 to 4 ft.
.monday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.
.monday night...north winds 10 to 20 kt diminishing to 5 to
10 kt. waves 1 to 3 ft.
.tuesday...north winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.
.wednesday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 ft or less.
$$
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