fzus61 kcle 090122
glfle 
expires:202608090815;;855961

open lake forecast for lake erie
national weather service cleveland oh
922 pm edt sat aug 8 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 glides east across lake erie tonight. a ridge 
averaging 30.00 inches will build over the region for sunday. a 
series of weak low pressure systems 29.90 inches will move through
the region sunday night through tuesday. high pressure 30.00 
inches will build into the region for wednesday.


lez162>164-090815-
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-
922 pm edt sat aug 8 2026

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

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 090647
glfsc 
expires:202608091500;;868627

lake st clair forecast
national weather service detroit/pontiac mi
247 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 tonight through sunday, allowing winds to become
southerly once again for sunday. sunday 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.


lcz460-091500-
lake st clair-
247 am edt sun aug 9 2026

.today...north winds 5 to 10 knots early in the morning becoming
light and variable...then becoming south 5 to 10 knots early in the
afternoon increasing to 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 090647
glflh 
expires:202608091500;;868625

open lake forecast for lake huron
national weather service detroit/pontiac mi
247 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 tonight through sunday, allowing winds to become
southerly once again for sunday. sunday 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>464-091500-
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-
247 am edt sun aug 9 2026

.today...light and variable winds becoming southwest 5 to
10 knots in the late morning and early afternoon...then backing
to the south late in the afternoon. waves 2 feet or less. 
.tonight...south winds 5 to 10 knots increasing to 10 to 15 knots
by midnight...then becoming southwest 5 to 10 knots 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...light and variable winds. 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 2 feet or less building to 2 to
4 feet by midnight. 


$$

fzus63 kmkx 090202
glflm 
expires:202608090945;;856539

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
902 pm cdt sat aug 8 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...

winds will become southerly by this evening 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.


lmz261-362-364-366-563-565-567-868-090945-
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-
902 pm cdt sat aug 8 2026

sheboygan wi to pentwater mi north...

.rest of tonight...southwest winds 10 to 15 kt increasing to
10 to 20 kt. waves 1 to 3 ft. 
.sunday...southwest winds 10 to 20 kt becoming south 15 to 25 kt.
chance of showers in the afternoon. waves 1 to 3 ft building to
2 to 4 ft. 
.sunday night...southwest winds 10 to 20 kt diminishing to 10 to
15 kt late in the evening, then becoming west 5 to 10 kt after
midnight becoming northwest late. patchy fog overnight. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.monday...north winds 5 to 10 kt becoming northwest 10 to 15 kt.
patchy dense fog in the morning. waves 1 to 2 ft. 
.monday night...southeast winds 10 to 15 kt becoming northeast.
waves 1 ft or less. 
.tuesday...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
chance of showers in the morning. waves 1 ft or less.
.tuesday night...northeast winds 10 to 15 kt diminishing to 5 to
10 kt. waves nearly calm. 
.wednesday...west winds 10 to 15 kt becoming southwest 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 090202
glflm 
expires:202608090945;;856540

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
902 pm cdt sat aug 8 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...

winds will become southerly by this evening 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-090945-
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-
902 pm cdt sat aug 8 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 10 to 15 kt. waves 1 to 2 ft.
.sunday...south winds 10 to 20 kt. chance of showers and slight
chance of thunderstorms in the morning, then chance of showers
and thunderstorms in the afternoon. waves 1 to 3 ft building to
2 to 4 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest.
chance of showers and thunderstorms in the evening, then chance
of showers overnight. patchy fog overnight. waves 2 to 4 ft. 
.monday...northwest winds 10 to 20 kt becoming north 10 to 15 kt.
chance of showers in the morning, then chance of showers and
thunderstorms in the afternoon. waves 1 to 3 ft. 
.monday night...northeast winds 5 to 10 kt. chance of showers and
thunderstorms in the evening, then chance of showers overnight.
waves 1 ft or less. 
.tuesday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
chance of showers and thunderstorms in the morning, then chance
of showers in the afternoon. waves 1 ft or less. 
.tuesday night...northeast winds 5 to 10 kt. chance of showers.
waves 1 ft or less. 
.wednesday...southeast winds 10 to 15 kt becoming south. waves
1 ft or less. 
.thursday...north winds 10 to 20 kt. waves 1 to 3 ft.  

$$