fzus61 kcle 091348
glfle 
expires:202608092015;;883242

open lake forecast for lake erie
national weather service cleveland oh
948 am edt sun aug 9 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 ridge averaging 30.00 inches builds over the area today. three 
weak low pressure systems 29.90 inches will move through the 
region sunday night through wednesday. high pressure 30.00 inches
will build into the region starting on thursday.


lez162>164-092015-
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-
948 am edt sun aug 9 2026

.this afternoon...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.tonight...south winds 5 to 15 knots becoming southwest. a chance
of showers with a slight chance of thunderstorms in the evening,
then showers likely with a chance of thunderstorms after
midnight. waves 1 to 3 feet. 
.monday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely in the morning. waves 1 to 3 feet. 
.monday night...west winds 5 to 10 knots becoming southwest. a
chance of showers and thunderstorms in the evening, then showers
likely with a chance of thunderstorms overnight. waves 2 feet or
less. 
.tuesday...southwest winds 5 to 10 knots becoming west. showers
likely. waves 2 feet or less. 
.wednesday...west winds 5 to 10 knots becoming northwest. a
chance of showers and thunderstorms during the day, then a chance
of showers wednesday night. waves 1 foot or less. 
.thursday...northwest winds 5 to 10 knots becoming north. waves
2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 091340
glfsc 
expires:202608092145;;883143

lake st clair forecast
national weather service detroit/pontiac mi
940 am edt sun aug 9 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 around 30.00 inches slides east through
the ohio valley today, allowing winds to become southerly once
again. this evening through early next week an active pattern
with a stalled frontal boundary draped over the southern great
lakes region brings back chances for organized thunderstorms to
the region. by the end of next week, high pressure around 30.1
inches builds south from central canada.


lcz460-092145-
lake st clair-
940 am edt sun aug 9 2026

.rest of today...light and variable winds becoming south 10 to 15
knots. mostly sunny. waves 2 feet or less.
.tonight...southwest winds 10 to 15 knots. partly cloudy early in
the evening. a chance of showers late in the evening. showers and a
chance of thunderstorms after midnight. waves 2 feet or less.
.monday...west winds 10 to 15 knots diminishing to 5 to 10 knots
early in the afternoon. mostly cloudy until late afternoon then
clearing. a chance of showers early in the morning. waves 2 feet or
less.
.monday night...west winds 5 to 10 knots backing to the south after
midnight. partly cloudy. a chance of light showers after midnight.
waves 2 feet or less.
.tuesday...southwest winds 5 to 10 knots backing to the northeast in
the evening. partly sunny with a chance of light showers in the
morning...then partly cloudy with a chance of showers and
thunderstorms in the afternoon and evening. waves 2 feet or less.
.wednesday...northwest winds 5 to 10 knots. partly cloudy. a chance
of showers and thunderstorms. waves 2 feet or less.
.thursday...northeast winds 10 to 15 knots. partly cloudy. waves 2
feet or less.

$$

fzus63 kdtx 091340 aaa
glflh 
expires:202608092145;;883139

open lake forecast for lake huron...updated
national weather service detroit/pontiac mi
940 am edt sun aug 9 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 around 30.00 inches slides east through
the ohio valley today, allowing winds to become southerly once
again. this evening through early next week an active pattern
with a stalled frontal boundary draped over the southern great
lakes region brings back chances for organized thunderstorms to
the region. by the end of next week, high pressure around 30.1
inches builds south from central canada.


lhz462>464-092145-
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-
940 am edt sun aug 9 2026

.rest of today...south winds 5 to 10 knots. waves 2 feet or less.
.tonight...south winds 5 to 10 knots increasing to 10 to 15 knots
by midnight...then veering to the west early in the morning. a
chance of showers after midnight. waves 1 to 3 feet. 
.monday...west winds 5 to 10 knots veering to the northwest early
in the afternoon. a chance of showers in the morning. waves
2 feet or less. 
.monday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 feet or less. 
.tuesday...light and variable winds in the morning becoming east
5 to 10 knots...then backing to the northeast late in the
afternoon becoming light and variable. a chance of showers. waves
2 feet or less. 
.wednesday...north winds 5 to 10 knots backing to the west in the
late morning and early afternoon...then veering to the north .
waves 2 feet or less. 
.thursday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the evening...then becoming northwest 5 to
10 knots by midnight. waves 1 to 3 feet building to 2 to 4 feet
by midnight. 


$$

fzus63 kmkx 090852
glflm 
expires:202608091515;;873218

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
352 am cdt sun aug 9 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...

southerly winds will persist this morning as a low pressure 
trough around 29.8 inches approaches from the minnesota arrowhead.
an unsettled weather pattern will set up over the upper great 
lakes all week where weak waves of low pressure will cross the 
region and produce rounds of thunderstorms at times. the first 
round of weakening storms should arrive in southern lake michigan 
late sunday morning, and additional storms are possible there 
sunday night.

winds today will be southerly and breezy, then grow light and
variable for a time tonight ahead of a cold front. the front will
move southward down the lake into monday, leading to light
northerly winds through the morning on monday and light and
variable winds monday afternoon and evening. light and variable
winds then persist into tuesday as high pressure of 30.0 inches
remains in place north of a frontal boundary parked over the corn
belt.


lmz261-362-364-366-563-565-567-868-091515-
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-
352 am cdt sun aug 9 2026

sheboygan wi to pentwater mi north...

.today...southwest winds 10 to 20 kt becoming south. slight
chance of showers this morning, then chance of showers this
afternoon. waves 2 to 4 ft. 
.tonight...southwest winds 10 to 20 kt diminishing to 10 to 15 kt
late in the evening, then diminishing to 5 to 10 kt after
midnight becoming northwest late. slight chance of showers and
thunderstorms in the evening. patchy fog overnight. waves 2 to
4 ft subsiding to 1 to 3 ft. 
.monday...north winds 5 to 10 kt backing to south 10 to 15 kt.
waves 1 to 2 ft. 
.monday night...southeast winds 10 to 15 kt becoming northeast.
waves 1 ft or less. 
.tuesday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of showers. waves 1 ft or less. 
.tuesday night...north winds 5 to 10 kt. waves 1 ft or less.
.wednesday...northwest winds 5 to 10 kt becoming north 10 to
20 kt. waves 1 ft or less. 
.thursday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft.  

$$

fzus63 kmkx 090852
glflm 
expires:202608091515;;873219

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
352 am cdt sun aug 9 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...

southerly winds will persist this morning as a low pressure 
trough around 29.8 inches approaches from the minnesota arrowhead.
an unsettled weather pattern will set up over the upper great 
lakes all week where weak waves of low pressure will cross the 
region and produce rounds of thunderstorms at times. the first 
round of weakening storms should arrive in southern lake michigan 
late sunday morning, and additional storms are possible there 
sunday night.

winds today will be southerly and breezy, then grow light and
variable for a time tonight ahead of a cold front. the front will
move southward down the lake into monday, leading to light
northerly winds through the morning on monday and light and
variable winds monday afternoon and evening. light and variable
winds then persist into tuesday as high pressure of 30.0 inches
remains in place north of a frontal boundary parked over the corn
belt.


lmz080-669-671-673-675-777-779-870-872-874-876-878-091515-
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-
352 am cdt sun aug 9 2026

sheboygan wi to pentwater mi south...

.today...south winds 10 to 20 kt. chance of showers and
thunderstorms this afternoon. waves 2 to 4 ft. 
.tonight...south winds 10 to 20 kt becoming west. chance of
showers and thunderstorms in the evening, then chance of showers
and slight chance of thunderstorms overnight. patchy fog
overnight. waves 2 to 4 ft. 
.monday...northwest winds 10 to 15 kt veering to northeast 5 to
10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.monday night...northeast winds 5 to 10 kt. showers likely with a
chance of thunderstorms in the evening, then showers likely
overnight. waves 1 ft or less. 
.tuesday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of showers. waves 1 ft or less. 
.tuesday night...northeast winds 5 to 10 kt. chance of showers
and thunderstorms. waves 1 ft or less. 
.wednesday...north winds 5 to 10 kt becoming northwest 10 to
15 kt. waves 1 ft or less. 
.thursday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft.  

$$