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fzus63 kdtx 222006
glflh 
expires:202106230815;;688726

open lake forecast for lake huron
national weather service detroit/pontiac mi
406 pm edt tue jun 22 2021

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 averaging 29.90 inches builds across the
region during the mid week as winds shift more southerly with
gusty conditions to around 25 knots wednesday and thursday
afternoon and evening. low pressure strengthens to around 29.60
inches towards the end of the week resulting in increasing
unsettled weather conditions.


lhz361-230815-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
406 pm edt tue jun 22 2021

.tonight...south winds 5 to 10 knots veering to the southwest
after midnight. a chance of showers in the evening. waves 2 feet
or less. 
.wednesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots in the afternoon. waves 2 feet or less building to 2 to
4 feet late in the afternoon. 
.wednesday night...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. waves 3 to 5 feet. 
.thursday...south winds 15 to 20 knots decreasing to 5 to
10 knots. a chance of showers in the morning...then showers
likely and a chance of thunderstorms in the afternoon. waves 3 to
5 feet. 
.thursday night...south winds 5 to 10 knots. showers likely in
the evening. a chance of thunderstorms. rain showers after
midnight. waves 2 to 4 feet. 
.friday...southeast winds 5 to 10 knots. a chance of
thunderstorms in the morning. rain showers. rain showers likely
late in the evening. waves 2 to 4 feet. 
.saturday...southwest winds 5 to 10 knots veering to the
northwest. a chance of showers. waves 2 feet or less. 
.sunday...north winds 5 to 10 knots backing to the west until
early morning. a chance of showers. waves 2 feet or less. 


$$
fzus63 kdtx 222006
glflh 
expires:202106230815;;688727

open lake forecast for lake huron
national weather service detroit/pontiac mi
406 pm edt tue jun 22 2021

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 averaging 29.90 inches builds across the
region during the mid week as winds shift more southerly with
gusty conditions to around 25 knots wednesday and thursday
afternoon and evening. low pressure strengthens to around 29.60
inches towards the end of the week resulting in increasing
unsettled weather conditions.


lhz362-363-230815-
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-
406 pm edt tue jun 22 2021

.tonight...southeast winds 5 to 10 knots veering to the south in
the late evening and overnight. waves 2 feet or less. 
.wednesday...south winds 5 to 10 knots increasing to 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet in the
afternoon. 
.wednesday night...south winds 15 to 20 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.thursday...south winds 15 to 20 knots. a chance of showers in
the afternoon. waves 5 to 7 feet. waves occasionally around
10 feet. 
.thursday night...south winds 10 to 15 knots. a chance of showers
in the evening...then showers likely and a chance of
thunderstorms after midnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.friday...south winds 10 to 15 knots. showers likely in the
morning. rain showers. waves 3 to 5 feet. 
.saturday...south winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the north until early morning. showers likely. waves 1 to
3 feet. 
.sunday...north winds 5 to 10 knots backing to the southwest in
the late evening and early morning. a chance of showers. waves
2 feet or less. 


$$
fzus63 kdtx 222006
glflh 
expires:202106230815;;688728

open lake forecast for lake huron
national weather service detroit/pontiac mi
406 pm edt tue jun 22 2021

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 averaging 29.90 inches builds across the
region during the mid week as winds shift more southerly with
gusty conditions to around 25 knots wednesday and thursday
afternoon and evening. low pressure strengthens to around 29.60
inches towards the end of the week resulting in increasing
unsettled weather conditions.


lhz462>464-230815-
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-
406 pm edt tue jun 22 2021

.tonight...south winds 5 to 10 knots veering to the southwest
early in the morning. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. waves 1 to 3 feet. 
.wednesday night...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. waves 3 to 5 feet. 
.thursday...south winds 15 to 20 knots. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.thursday night...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and early morning...then increasing
to 15 to 20 knots after midnight. a chance of showers after
midnight. waves 3 to 5 feet. 
.friday...south winds 15 to 20 knots. a chance of showers in the
morning. rain showers likely late in the morning...then showers
late in the afternoon. waves 3 to 5 feet. 
.saturday...south winds 10 to 15 knots decreasing to 5 to
10 knots. showers likely. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 10 knots. showers likely until
afternoon. a chance of showers until early morning. waves 2 feet
or less. 


$$
fzus63 kmkx 221939
glflm 
expires:202106230345;;687279

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
239 pm cdt tue jun 22 2021

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 of 30.1 inches will slide eastward through the
overnight hours and settle into middle appalachia by wednesday
morning. as this happens, westerly winds will become southerly
tonight. they'll remain modestly gusty, however as there will be a
low-level wind speed max above a shallow inversion. going into the
daytime hours tomorrow, low pressure of 29.3 inches will approach
the hudson bay region in canada. this will steepen the pressure 
gradient between the low pressure north and the high pressure to
the southeast. as a result winds will strengthen through the day
on wednesday and into the overnight hours on thursday. winds to
gale force look possible for the northern end of the lake for a
brief period early thursday morning. 

showers and a rumble of thunder or two will be possible over
northern end of the lake late this afternoon, and then over the
southern half of the lake tonight into wednesday morning. better
chances for widespread, stronger storms look possible on thursday.

&&


lmz080-669-671-673-675-777-779-870-872-874-876-878-230345-
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-
239 pm cdt tue jun 22 2021

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 20 kt increasing to 15 to 25 kt.
chance of showers and slight chance of thunderstorms overnight.
waves 1 to 3 ft. 
.wednesday...south winds to 30 kt. chance of showers and slight
chance of thunderstorms in the morning, then slight chance of
showers and thunderstorms in the afternoon. waves 4 to 7 ft
occasionally to 9 ft. 
.wednesday night...south winds to 30 kt diminishing to 15 to
25 kt. waves 4 to 7 ft occasionally to 9 ft. 
.thursday...south winds 15 to 25 kt. chance of showers in the
morning, then chance of showers and thunderstorms in the
afternoon. waves 4 to 7 ft occasionally to 9 ft. 
.thursday night...south winds 15 to 25 kt diminishing to 10 to
20 kt. chance of showers and thunderstorms in the evening, then
showers with a chance of thunderstorms overnight. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.friday...south winds to 30 kt. showers with a chance of
thunderstorms. waves 3 to 5 ft. 
.friday night...southwest winds 15 to 25 kt veering to north
10 to 20 kt. showers likely with a chance of thunderstorms. waves
2 to 4 ft. 
.saturday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
showers likely. waves 1 to 3 ft. 
.sunday...north winds 5 to 10 kt increasing to 10 to 15 kt.
chance of showers. waves 1 to 2 ft.  

$$
fzus63 kmkx 221939
glflm 
expires:202106230345;;687278

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
239 pm cdt tue jun 22 2021

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 of 30.1 inches will slide eastward through the
overnight hours and settle into middle appalachia by wednesday
morning. as this happens, westerly winds will become southerly
tonight. they'll remain modestly gusty, however as there will be a
low-level wind speed max above a shallow inversion. going into the
daytime hours tomorrow, low pressure of 29.3 inches will approach
the hudson bay region in canada. this will steepen the pressure 
gradient between the low pressure north and the high pressure to
the southeast. as a result winds will strengthen through the day
on wednesday and into the overnight hours on thursday. winds to
gale force look possible for the northern end of the lake for a
brief period early thursday morning. 

showers and a rumble of thunder or two will be possible over
northern end of the lake late this afternoon, and then over the
southern half of the lake tonight into wednesday morning. better
chances for widespread, stronger storms look possible on thursday.

&&


lmz261-362-364-366-563-565-567-868-230345-
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-
239 pm cdt tue jun 22 2021

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 20 kt becoming south. waves 2 to
4 ft. 
.wednesday...south winds 15 to 25 kt increasing to 30 kt. slight
chance of showers in the morning. waves 4 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft. 
.wednesday night...south winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft. 
.thursday...south winds to 30 kt. showers likely with a chance of
thunderstorms. waves 6 to 9 ft occasionally to 12 ft. 
.thursday night...south winds to 30 kt diminishing to 15 to
25 kt. showers with a chance of thunderstorms. waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft. 
.friday...south winds 15 to 25 kt becoming southwest. showers
with a chance of thunderstorms. waves 2 to 4 ft. 
.friday night...north winds 10 to 20 kt. chance of showers. waves
2 to 4 ft. 
.saturday...north winds 10 to 15 kt. chance of showers. waves
1 to 3 ft. 
.sunday...north winds 5 to 10 kt backing to southwest 10 to
15 kt. chance of showers. waves 1 ft or less.  

$$
fzus63 kmqt 222009
glfls 
expires:202106230415;;689169

open lake forecast for lake superior
national weather service marquette mi
409 pm edt tue jun 22 2021

for waters beyond 5 nautical miles of shore on lake superior.

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...29.9 inch ridging will continue to build over lake 
superior and is expected to continue until late tonight. a 29.2 
inch low will then track across manitoba and reach james bay 
wednesday. an associated 29.6 inch trough will settle over the
lake through wednesday night into thursday. friday, a 29.7 inch 
low will organize over the central plains and then lift towards 
the straits of mackinac. this low is expected to exit the upper
great lakes on late friday night. saturday, a weak ridge at 29.9 
inches is expected to develop over the upper great lakes and
strengthen to 30.1 inches on sunday. meanwhile, a 29.8 inch low
reaches the mid mississippi valley on sunday. 



lsz266-230415-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
409 pm edt tue jun 22 2021

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...south winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. a slight chance of rain showers through midnight.
waves building to 1 to 3 feet. 
.wednesday...south winds 15 to 25 knots increasing to 20 to
30 knots late with a few gale force gusts to 35 knots. waves 
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday night...south winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a chance of showers and a slight
chance of thunderstorms after midnight. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday...south winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. showers and a chance of thunderstorms.
waves subsiding to calm to 2 feet. 
.thursday night...south winds 5 to 15 knots backing northeast
after midnight. a chance of showers. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots becoming north 10 to
20 knots by mid afternoon. a chance of showers. waves calm to
2 feet. 
.friday night...north winds 10 to 20 knots. a chance of showers.
waves calm to 2 feet. 
.saturday...north winds 10 to 20 knots becoming northwest 5 to
15 knots. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$
fzus63 kmqt 222009
glfls 
expires:202106230415;;689170

open lake forecast for lake superior
national weather service marquette mi
409 pm edt tue jun 22 2021

for waters beyond 5 nautical miles of shore on lake superior.

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...29.9 inch ridging will continue to build over lake 
superior and is expected to continue until late tonight. a 29.2 
inch low will then track across manitoba and reach james bay 
wednesday. an associated 29.6 inch trough will settle over the
lake through wednesday night into thursday. friday, a 29.7 inch 
low will organize over the central plains and then lift towards 
the straits of mackinac. this low is expected to exit the upper
great lakes on late friday night. saturday, a weak ridge at 29.9 
inches is expected to develop over the upper great lakes and
strengthen to 30.1 inches on sunday. meanwhile, a 29.8 inch low
reaches the mid mississippi valley on sunday. 



lsz267-230415-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
409 pm edt tue jun 22 2021

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots backing southeast after
midnight, then becoming south 10 to 20 knots late. waves calm to
2 feet. 
.wednesday...south winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 2 to 4 feet. 
.wednesday night...south winds 20 to 30 knots with a few gale
force gusts to 35 knots diminishing to 15 to 25 knots after 
midnight. a slight chance of showers and thunderstorms after 
midnight. waves building to 3 to 5 feet occasionally to 7 feet, 
then subsiding to 2 to 4 feet. 
.thursday...south winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. showers and a chance of thunderstorms.
waves subsiding to calm to 2 feet. 
.thursday night...south winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. showers likely and a chance of
thunderstorms. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots backing northeast by mid
afternoon. showers likely. waves calm to 2 feet. 
.friday night...north winds 10 to 20 knots. a chance of showers.
waves calm to 2 feet. 
.saturday...north winds 10 to 20 knots. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west. a chance of
showers. waves calm to 2 feet. 

$$
fzus63 kmqt 222009
glfls 
expires:202106230415;;689165

open lake forecast for lake superior
national weather service marquette mi
409 pm edt tue jun 22 2021

for waters beyond 5 nautical miles of shore on lake superior.

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...29.9 inch ridging will continue to build over lake 
superior and is expected to continue until late tonight. a 29.2 
inch low will then track across manitoba and reach james bay 
wednesday. an associated 29.6 inch trough will settle over the
lake through wednesday night into thursday. friday, a 29.7 inch 
low will organize over the central plains and then lift towards 
the straits of mackinac. this low is expected to exit the upper
great lakes on late friday night. saturday, a weak ridge at 29.9 
inches is expected to develop over the upper great lakes and
strengthen to 30.1 inches on sunday. meanwhile, a 29.8 inch low
reaches the mid mississippi valley on sunday. 



lsz162-230415-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
409 pm edt tue jun 22 2021 /309 pm cdt tue jun 22 2021/

.late this afternoon...south winds 10 to 20 knots. a slight
chance of showers. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots becoming southeast 10 to
20 knots after midnight, then becoming south 5 to 15 knots late.
waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots backing south in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet. 
.wednesday night...south winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. a chance of showers and
thunderstorms. waves building to 2 to 4 feet, then subsiding to
1 to 3 feet. 
.thursday...west winds 5 to 15 knots backing south by mid
afternoon. a slight chance of showers and thunderstorms. waves
subsiding to calm to 2 feet. 
.thursday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.friday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.friday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 

$$
fzus63 kmqt 222009
glfls 
expires:202106230415;;689166

open lake forecast for lake superior
national weather service marquette mi
409 pm edt tue jun 22 2021

for waters beyond 5 nautical miles of shore on lake superior.

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...29.9 inch ridging will continue to build over lake 
superior and is expected to continue until late tonight. a 29.2 
inch low will then track across manitoba and reach james bay 
wednesday. an associated 29.6 inch trough will settle over the
lake through wednesday night into thursday. friday, a 29.7 inch 
low will organize over the central plains and then lift towards 
the straits of mackinac. this low is expected to exit the upper
great lakes on late friday night. saturday, a weak ridge at 29.9 
inches is expected to develop over the upper great lakes and
strengthen to 30.1 inches on sunday. meanwhile, a 29.8 inch low
reaches the mid mississippi valley on sunday. 



lsz263-230415-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
409 pm edt tue jun 22 2021

.late this afternoon...south winds 5 to 15 knots. a slight chance
of showers. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then veering south late. waves calm to
2 feet. 
.wednesday...south winds 10 to 20 knots. waves calm to 2 feet. 
.wednesday night...south winds 10 to 20 knots veering southwest
after midnight. a slight chance of showers through midnight. a
chance of thunderstorms. showers likely after midnight. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots backing south by mid
afternoon. a chance of showers and thunderstorms. waves subsiding
to calm to 2 feet. 
.thursday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.friday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering west. waves calm
to 2 feet. 

$$
fzus63 kmqt 222009
glfls 
expires:202106230415;;689167

open lake forecast for lake superior
national weather service marquette mi
409 pm edt tue jun 22 2021

for waters beyond 5 nautical miles of shore on lake superior.

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...29.9 inch ridging will continue to build over lake 
superior and is expected to continue until late tonight. a 29.2 
inch low will then track across manitoba and reach james bay 
wednesday. an associated 29.6 inch trough will settle over the
lake through wednesday night into thursday. friday, a 29.7 inch 
low will organize over the central plains and then lift towards 
the straits of mackinac. this low is expected to exit the upper
great lakes on late friday night. saturday, a weak ridge at 29.9 
inches is expected to develop over the upper great lakes and
strengthen to 30.1 inches on sunday. meanwhile, a 29.8 inch low
reaches the mid mississippi valley on sunday. 



lsz264-230415-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
409 pm edt tue jun 22 2021

.late this afternoon...southwest winds 5 to 15 knots. a slight
chance of showers. waves calm to 2 feet. 
.tonight...south winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. waves building to 1 to 3 feet. 
.wednesday...south winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then increasing to 10 to 20 knots
late. waves building to 2 to 4 feet. 
.wednesday night...south winds 15 to 25 knots becoming southwest
5 to 15 knots after midnight. a slight chance of showers through
midnight. a chance of thunderstorms. showers likely after
midnight. waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet. 
.thursday...southwest winds 5 to 15 knots becoming south less
than 10 knots by mid afternoon. a chance of showers and
thunderstorms. waves subsiding to calm to 2 feet. 
.thursday night...east winds less than 10 knots backing northeast
after midnight. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots backing west. waves calm to
2 feet. 
.sunday...west winds less than 10 knots backing southwest. waves
calm to 2 feet. 

$$
fzus63 kmqt 222009
glfls 
expires:202106230415;;689168

open lake forecast for lake superior
national weather service marquette mi
409 pm edt tue jun 22 2021

for waters beyond 5 nautical miles of shore on lake superior.

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...29.9 inch ridging will continue to build over lake 
superior and is expected to continue until late tonight. a 29.2 
inch low will then track across manitoba and reach james bay 
wednesday. an associated 29.6 inch trough will settle over the
lake through wednesday night into thursday. friday, a 29.7 inch 
low will organize over the central plains and then lift towards 
the straits of mackinac. this low is expected to exit the upper
great lakes on late friday night. saturday, a weak ridge at 29.9 
inches is expected to develop over the upper great lakes and
strengthen to 30.1 inches on sunday. meanwhile, a 29.8 inch low
reaches the mid mississippi valley on sunday. 



lsz265-230415-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
409 pm edt tue jun 22 2021

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southeast winds 10 to 20 knots veering south late. a
slight chance of showers through midnight. waves calm to 2 feet. 
.wednesday...south winds 10 to 20 knots. waves building to 2 to
4 feet. 
.wednesday night...south winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. showers likely and a chance of
thunderstorms after midnight. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 1 to 3 feet. 
.thursday...south winds 10 to 20 knots becoming east 5 to
15 knots by mid afternoon. showers likely through early
afternoon. a chance of thunderstorms. a chance of showers by mid
afternoon. waves subsiding to calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots backing northeast
after midnight. a chance of showers. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a chance of showers. waves calm to
2 feet. 
.friday night...north winds 10 to 20 knots. a chance of showers.
waves calm to 2 feet. 
.saturday...northwest winds 10 to 20 knots becoming west 5 to
15 knots. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 

$$

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