fzus61 kcle 312004
glfle 
expires:202608010215;;405769

open lake forecast for lake erie
national weather service cleveland oh
404 pm edt fri jul 31 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 will remain over the region through
this evening before low pressure 29.60 inches enters from the 
west on saturday and slowly passes south of the lake through 
sunday. high pressure 30.00 inches will build back into the great 
lakes region for the start of next week.


lez162>164-010215-
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-
404 pm edt fri jul 31 2026

.tonight...southeast winds 5 to 10 knots becoming south. waves
1 foot or less. 
.saturday...south winds 10 to 15 knots becoming east. a slight
chance of showers and thunderstorms early in the afternoon. a
chance of showers and thunderstorms late. waves 2 feet or less. 
.saturday night...east winds 10 to 15 knots becoming southeast.
showers with a chance of thunderstorms. waves 1 to 2 feet. 
.sunday...southeast winds 10 to 15 knots becoming northeast.
showers in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 to 2 feet. 
.sunday night...north winds 10 to 15 knots. showers with a chance
of thunderstorms in the evening, then showers likely overnight.
waves 1 to 3 feet. 
.monday...north winds 10 to 15 knots becoming northeast. a chance
of showers during the day. waves 2 feet or less. 
.tuesday...northeast winds 5 to 10 knots becoming south. a chance
of showers and thunderstorms during the day, then a chance of
showers tuesday night. waves 1 foot or less. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 311944
glflh 
expires:202608010345;;405151

open lake forecast for lake huron
national weather service detroit/pontiac mi
344 pm edt fri jul 31 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...high pressure, 30.30 inches, will continue to bring
quieter weather to eastern portions of the great lakes region.
low pressure, averaging around 29.90 inches, out over the upper
mississippi river valley today will track eastward towards the
ohio valley through the weekend. this brings rain and isolated
thunderstorm chances to the great lakes friday night into sunday
along with elevated winds and waves into saginaw bay and the
thumb nearshores.


lhz462>464-010345-
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-
344 pm edt fri jul 31 2026

.tonight...southeast winds 5 to 10 knots backing to the north
after midnight. waves 2 feet or less. 
.saturday...north winds 5 to 10 knots. a chance of showers. waves
2 feet or less. 
.saturday night...northeast winds 10 to 15 knots. a chance of
showers in the evening...then showers likely after midnight.
waves 1 to 3 feet. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots with gusts to around 30 knots early in the afternoon.
showers likely in the morning...then a chance of showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.sunday night...north winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. a chance of showers in the evening.
waves 3 to 5 feet. 
.monday...north winds 10 to 15 knots decreasing to 5 to 10 knots
late in the evening. waves 1 to 3 feet. 
.tuesday...northeast winds 5 to 10 knots veering to the east by
midnight. waves 2 feet or less. 
.wednesday...south winds 5 to 10 knots early in the morning
becoming light and variable...then becoming east 5 to 10 knots .
a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 311944
glfsc 
expires:202608010345;;405153

lake st clair forecast
national weather service detroit/pontiac mi
344 pm edt fri jul 31 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...high pressure, 30.30 inches, will continue to bring
quieter weather to eastern portions of the great lakes region.
low pressure, averaging around 29.90 inches, out over the upper
mississippi river valley today will track eastward towards the
ohio valley through the weekend. this brings rain and isolated
thunderstorm chances to the great lakes friday night into sunday
along with elevated winds and waves into saginaw bay and the
thumb nearshores.


lcz460-010345-
lake st clair-
344 pm edt fri jul 31 2026

.tonight...south winds 5 to 10 knots. cloudy. waves 2 feet or less.
.saturday...east winds 5 to 10 knots. cloudy. a chance of light
showers in the afternoon. a chance of thunderstorms late in the
afternoon. waves 2 feet or less.
.saturday night...northeast winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. a chance of showers and
thunderstorms ...then showers after midnight. waves 2 feet or less.
.sunday...northeast winds 10 to 15 knots. showers and a chance of
thunderstorms. waves 2 feet or less.
.sunday night...north winds 15 to 20 knots diminishing to 10 to 15
knots after midnight. showers and a chance of thunderstorms early in
the evening...then a chance of light showers by midnight. waves 1 to
3 feet.
.monday...north winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon and evening. partly cloudy then clearing. a chance
of light showers. waves 2 feet or less.
.tuesday...east winds 10 to 15 knots. mostly clear. a chance of
showers. waves 2 feet or less.
.wednesday...south winds 5 to 10 knots. mostly clear. a chance of
showers. waves 2 feet or less.

$$

fzus63 kmkx 312031 aaa
glflm 
expires:202608010315;;407218

open lake forecast for lake michigan...updated
national weather service milwaukee/sullivan wi
331 pm cdt fri jul 31 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...

low pressure around 29.7 inches will continue to track
southeastward across ia this evening and deepen to around 29.5 
inches as it pushes into il overnight into saturday. will see 
southeasterly winds across the lake shift more easterly through 
the evening and increase as the low pressure slowly moves through 
the region. then looking at stronger northeasterly winds with 
gusts up to 25-30 knots across southern half of lake michigan 
through the day saturday and lingering into sunday as the low 
pressure slowly tracks over the eastern great lakes. isolated and 
infrequent gusts to gale-force will be possible at times this 
weekend on the backside of the deepening low pressure. winds then 
diminish into the start of next week as the low pressure pushes 
further east while high pressure begins to build across the upper 
great lakes region monday and tuesday. this will bring lighter and
more variable winds to lake michigan before southerly winds 
return by midweek as another low pressure system develops over the
plains.


lmz261-362-364-366-563-565-567-868-010315-
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-
331 pm cdt fri jul 31 2026

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 15 kt becoming north 10 to 20 kt
late this evening, then becoming northeast 15 to 25 kt overnight.
showers likely with slight chance of thunderstorms this evening,
then chance of showers overnight. waves 1 to 2 ft building to
3 to 5 ft. 
.saturday...northeast winds 15 to 25 kt. chance of showers. waves
4 to 6 ft occasionally to 8 ft. 
.saturday night...northeast winds 15 to 25 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...northeast winds to 30 kt. waves 5 to 8 ft occasionally
to 10 ft. 
.sunday night...north winds to 30 kt becoming northeast 10 to
20 kt overnight. waves 4 to 7 ft occasionally to 9 ft subsiding
to 2 to 4 ft. 
.monday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 1 to 3 ft. 
.monday night...east winds 10 to 20 kt becoming southeast 5 to
10 kt. waves 1 to 2 ft. 
.tuesday...south winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 312031 aaa
glflm 
expires:202608010315;;407219

open lake forecast for lake michigan...updated
national weather service milwaukee/sullivan wi
331 pm cdt fri jul 31 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...

low pressure around 29.7 inches will continue to track
southeastward across ia this evening and deepen to around 29.5 
inches as it pushes into il overnight into saturday. will see 
southeasterly winds across the lake shift more easterly through 
the evening and increase as the low pressure slowly moves through 
the region. then looking at stronger northeasterly winds with 
gusts up to 25-30 knots across southern half of lake michigan 
through the day saturday and lingering into sunday as the low 
pressure slowly tracks over the eastern great lakes. isolated and 
infrequent gusts to gale-force will be possible at times this 
weekend on the backside of the deepening low pressure. winds then 
diminish into the start of next week as the low pressure pushes 
further east while high pressure begins to build across the upper 
great lakes region monday and tuesday. this will bring lighter and
more variable winds to lake michigan before southerly winds 
return by midweek as another low pressure system develops over the
plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-010315-
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-
331 pm cdt fri jul 31 2026

sheboygan wi to pentwater mi south...

.tonight...southeast winds 10 to 20 kt becoming east late this
evening, then becoming northeast 15 to 25 kt after midnight
becoming east to 30 kt late. showers likely with slight chance of
thunderstorms this evening, then showers and slight chance of
thunderstorms overnight. waves 2 to 4 ft building to 5 to 8 ft
occasionally to 10 ft. 
.saturday...east winds to 30 kt becoming northeast. showers and
slight chance of thunderstorms in the morning, then showers
likely with slight chance of thunderstorms in the afternoon.
waves 6 to 9 ft occasionally to 12 ft. 
.saturday night...northeast winds to 30 kt. chance of showers in
the evening. waves 6 to 9 ft occasionally to 12 ft. 
.sunday...north winds to 30 kt. waves 6 to 9 ft occasionally to
12 ft building to 8 to 11 ft occasionally to 14 ft. 
.sunday night...north winds to 30 kt becoming northeast 10 to
20 kt overnight. waves 7 to 10 ft occasionally to 13 ft subsiding
to 5 to 8 ft occasionally to 10 ft. 
.monday...northeast winds 10 to 15 kt becoming north 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.monday night...northeast winds 10 to 20 kt becoming east 5 to
10 kt. waves 1 to 3 ft. 
.tuesday...east winds 5 to 10 kt veering to southwest 10 to
20 kt. waves 1 to 2 ft. 
.wednesday...southwest winds 10 to 15 kt becoming south. waves
1 to 2 ft.  

$$