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fzus63 kdtx 240154
glflh 
625 

open lake forecast for lake huron
national weather service detroit/pontiac mi
949 pm edt fri jun 23 2017

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...weak low pressure...averaging 29.60 inches...tracking 
across the central great lakes will pull a cold front through the 
area, ushering in quieter weather tonight. broad low pressure will 
then linger over the great lakes through the weekend, providing 
unseasonably cool and slightly unsettled weather.

lhz361-240800-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
949 pm edt fri jun 23 2017

.rest of tonight...northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight...then becoming west 10 to 15 knots
early in the morning. waves 1 to 3 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then increasing to
10 to 15 knots late in the afternoon. a chance of showers late in
the afternoon. waves 1 to 3 feet. 
.saturday night...west winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. a chance of showers
after midnight. waves 2 feet or less. 
.sunday...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. a chance of showers.
waves 2 feet or less. 
.sunday night...northwest winds 5 to 10 knots. a chance of
showers early in the evening. waves 2 feet or less. 
.monday...north winds 5 to 10 knots backing to the west late in
the afternoon. a chance of showers early in the morning. waves
2 feet or less. 
.tuesday...west winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots until early morning. a chance of showers in the
afternoon. rain showers likely until early morning. waves 1 to
3 feet building to 3 to 5 feet in the late evening and early
morning. 


$$
fzus63 kdtx 240154
glflh 

lhz362-363-240800-
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-
949 pm edt fri jun 23 2017

.rest of tonight...west winds 5 to 10 knots becoming northwest
10 to 15 knots after midnight. waves 1 to 3 feet. 
.saturday...west winds 10 to 15 knots becoming southwest 5 to
10 knots early in the afternoon...then becoming light and
variable late in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet. 
.saturday night...light and variable winds becoming southwest
5 to 10 knots in the late evening and overnight. a chance of
showers. waves 1 to 3 feet. 
.sunday...west winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and early afternoon...then decreasing to 5 to
10 knots early in the afternoon. a chance of showers. waves 1 to
3 feet. 
.sunday night...northwest winds 5 to 10 knots early in the
evening becoming light and variable...then becoming northwest
5 to 10 knots after midnight. a chance of showers early in the
evening. waves 2 feet or less. 
.monday...northwest winds 5 to 10 knots becoming northwest late
in the afternoon...then increasing to 10 to 15 knots late in the
evening. a chance of showers early in the morning. waves 2 feet
or less. 
.tuesday...west winds 10 to 15 knots decreasing to 5 to 10 knots.
waves 1 to 3 feet. 
.wednesday...southwest winds 5 to 10 knots becoming south 10 to
15 knots until early evening...then increasing to 15 to 20 knots
in the late evening and early morning. a chance of showers until
early morning. waves 1 to 3 feet building to 3 to 5 feet until
early morning. 


$$
fzus63 kdtx 240154
glflh 

lhz462>464-240800-
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-
949 pm edt fri jun 23 2017

.rest of tonight...light and variable winds becoming southwest
5 to 10 knots after midnight...then veering to the northwest
early in the morning. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots. a chance of showers in the
afternoon. waves 1 to 3 feet. 
.saturday night...southwest winds 5 to 10 knots becoming west
10 to 15 knots after midnight. a chance of showers. waves 1 to
3 feet. 
.sunday...west winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet. 
.sunday night...northwest winds 5 to 10 knots. a chance of
showers. waves 2 feet or less. 
.monday...northwest winds 5 to 10 knots veering to the north. a
chance of showers. waves 2 feet or less. 
.tuesday...northwest winds 10 to 15 knots becoming west 5 to
10 knots. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots increasing to 10 to
15 knots until early evening...then becoming south 15 to 20 knots
in the late evening and early morning. a chance of showers until
early morning. waves 1 to 3 feet building to 2 to 4 feet until
early morning. 


$$
fzus63 klot 240147
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-240800-
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-
847 pm cdt fri jun 23 2017

sheboygan wi to pentwater mi south...

.rest of tonight...northwest winds 10 to 20 kt. slight chance of 
showers this evening. waves 1 to 3 ft building to 3 to 5 ft.
.saturday...northwest winds 10 to 20 kt becoming west. slight
chance of showers and thunderstorms in the afternoon. waves 3 to 
5 ft subsiding to 2 to 4 ft. 
.saturday night...west winds 10 to 20 kt increasing to 15 to 25 
kt. waves 3 to 5 ft.
.sunday...west winds 10 to 20 kt. waves 3 to 5 ft subsiding to 2 
to 4 ft.
.sunday night...west winds 10 to 20 kt becoming northwest 15 to
25 kt. chance of showers. waves 3 to 5 ft. 
.monday...northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
chance of showers in the morning. waves 3 to 5 ft. 
.monday night...northwest winds 10 to 20 kt becoming west. waves
2 to 4 ft. 
.tuesday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft.
.wednesday...south winds to 30 kt. chance of showers. waves 5 to 
8 ft occasionally to 10 ft.

$$
fzus63 klot 240147
glflm 
447 

open lake forecast for lake michigan
national weather service chicago/romeoville il
847 pm cdt fri jun 23 2017

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 of 29.4 inches over northern quebec will
continue to lift to the northeast while the associated cold front
pushes through the ohio valley. a secondary weak trough averaging
30.0 inches will cross the lake sunday. high pressure of 30.2
inches over central canada will build into the northern plains
saturday and strengthen to 30.4 inches on sunday. high pressure
will spread east across the western great lakes region early next
week. high pressure will prevail over the great lakes through mid
week and then shift east off the mid atlantic coast wednesday
night and thursday. a series of low pressure systems are then 
expected to track across the upper great lakes during the middle 
and later parts of next week.

lmz261-362-364-366-563-565-567-868-240800-
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-
847 pm cdt fri jun 23 2017

sheboygan wi to pentwater mi north...

.rest of tonight...northwest winds 10 to 20 kt becoming west.
waves 1 to 3 ft. 
.saturday...west winds 10 to 20 kt. slight chance of showers in
the morning...then chance of showers and slight chance of
thunderstorms in the afternoon. waves 2 to 4 ft. 
.saturday night...northwest winds 10 to 20 kt. chance of showers.
waves 2 to 4 ft.
.sunday...northwest winds 10 to 20 kt becoming west 10 to 15 kt.
chance of showers and thunderstorms in the afternoon. waves 2 to
4 ft. 
.sunday night...northwest winds 10 to 20 kt becoming north.
chance of showers. waves 2 to 4 ft. 
.monday...north winds 10 to 20 kt becoming northwest. chance of
showers in the morning. waves 2 to 4 ft. 
.monday night...west winds 10 to 20 kt. waves 1 to 3 ft. 
.tuesday...west winds 10 to 20 kt becoming southwest. waves 1 to
3 ft. 
.wednesday...south winds to 30 kt. waves 5 to 8 ft occasionally 
to 10 ft.

$$
fzus63 kmqt 240202
glfls 

lsz266-241015-
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-
1002 pm edt fri jun 23 2017

.rest of tonight...west winds 10 to 20 knots veering northwest
after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots increasing to 10 to
20 knots late. waves subsiding to calm to 2 feet. 
.saturday night...northwest winds 5 to 15 knots becoming west
10 to 20 knots after midnight, then veering northwest late.
isolated rain showers. waves calm to 2 feet. 
.sunday...north winds 5 to 15 knots backing northwest by mid
afternoon. isolated rain showers. waves calm to 2 feet. 
.sunday night...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.monday...west winds 10 to 20 knots. waves building to 1 to
3 feet. 
.monday night...west winds 10 to 20 knots. waves building to 2 to
4 feet. 
.tuesday...west winds 10 to 20 knots backing south. waves
subsiding to calm to 2 feet. 
.wednesday...south winds 15 to 25 knots. a chance of rain
showers. a chance of thunderstorms. rain showers likely. waves
building to 3 to 6 feet occasionally to 8 feet. 

$$
fzus63 kmqt 240202
glfls 

lsz267-241015-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1002 pm edt fri jun 23 2017

.rest of tonight...west winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then becoming northwest 5 to 15 knots
late. waves 1 to 3 feet subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west in the
afternoon, then increasing to 10 to 20 knots late. waves calm to
2 feet. 
.saturday night...west winds 10 to 20 knots veering northwest
late. scattered rain showers. waves calm to 2 feet. 
.sunday...northwest winds 10 to 20 knots. isolated rain showers
through early afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...west winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.monday night...west winds 10 to 20 knots. waves building to 1 to
3 feet. 
.tuesday...west winds 10 to 20 knots backing south. waves
subsiding to calm to 2 feet. 
.wednesday...south winds 15 to 25 knots increasing to 20 to
30 knots. a chance of showers. a chance of thunderstorms. showers
likely. waves building to 2 to 4 feet. 

$$
fzus63 kmqt 240202
glfls 
503 

open lake forecast for lake superior
national weather service marquette mi
1002 pm edt fri jun 23 2017

for waters beyond five 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...as a 29.4 inch low over northern quebec drifts to the
canadian maritimes through sunday, 29.6 inch low pressure 
troughing will remain across the upper great lakes. high pressure 
ridging of 30.0 inches will build into the upper great lakes late 
sunday into tuesday as 30.3 inch high pressure shifts eastward 
across the mid mississippi valley. tuesday into wednesday, low 
pressure of 29.5 inches will lift out of the northern plains and 
head towards the upper great lakes and reach western ontario on 
thursday.

lsz162-241015-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1002 pm edt fri jun 23 2017 /902 pm cdt fri jun 23 2017/

.rest of tonight...west winds 10 to 20 knots diminishing to 5 to
15 knots late. scattered showers. waves 1 to 3 feet subsiding to
calm to 2 feet. 
.saturday...west winds 5 to 15 knots. scattered showers. waves
calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. isolated
thunderstorms through midnight. scattered rain showers. waves
calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots. scattered rain showers.
waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. scattered rain showers. waves calm to
2 feet. 
.monday...west winds 10 to 20 knots. waves calm to 2 feet. 
.monday night...west winds 10 to 20 knots. waves calm to 2 feet. 
.tuesday...southwest winds 10 to 20 knots backing south. a chance
of showers. waves building to 1 to 3 feet. 
.wednesday...south winds 10 to 20 knots veering west. showers
likely. a chance of thunderstorms. waves subsiding to calm to
2 feet, then building to 1 to 3 feet. 

$$
fzus63 kmqt 240202
glfls 

lsz263-241015-
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-
1002 pm edt fri jun 23 2017

.rest of tonight...west winds 5 to 15 knots. isolated showers.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. scattered rain showers.
waves subsiding to calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. isolated
thunderstorms through midnight. isolated rain showers. waves calm
to 2 feet. 
.sunday...north winds 5 to 15 knots becoming northwest less than
10 knots by mid afternoon. isolated rain showers. waves calm to
2 feet. 
.sunday night...west winds 5 to 15 knots. scattered rain showers.
waves calm to 2 feet. 
.monday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.monday night...west winds 5 to 15 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. a chance
of showers. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.wednesday...south winds 10 to 20 knots veering west. showers
likely. a chance of thunderstorms. a chance of showers. waves
subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet. 

$$
fzus63 kmqt 240202
glfls 

lsz264-241015-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1002 pm edt fri jun 23 2017

.rest of tonight...west winds 5 to 15 knots veering northwest
after midnight. isolated rain showers by late evening. waves 2 to
4 feet subsiding to calm to 2 feet. 
.saturday...northwest winds less than 10 knots backing west in
the afternoon, then increasing to 5 to 15 knots late. waves calm
to 2 feet. 
.saturday night...west winds 5 to 15 knots veering north late.
isolated rain showers. waves calm to 2 feet. 
.sunday...north winds 5 to 15 knots becoming northwest less than
10 knots by mid afternoon. isolated rain showers. waves calm to
2 feet. 
.sunday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves building to 1 to 3 feet. 
.monday night...west winds 5 to 15 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 5 to 15 knots backing south. a chance
of rain showers. waves building to 2 to 4 feet, then subsiding to
calm to 2 feet. 
.wednesday...southeast winds 10 to 20 knots becoming south 15 to
25 knots. rain showers likely and a chance of thunderstorms.
waves building to 3 to 6 feet occasionally to 8 feet. 

$$
fzus63 kmqt 240202
glfls 

lsz265-241015-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1002 pm edt fri jun 23 2017

.rest of tonight...west winds 10 to 20 knots. waves 1 to 3 feet
subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots veering northwest in the
afternoon, then backing west late. isolated showers. waves calm
to 2 feet. 
.saturday night...west winds 10 to 20 knots. isolated rain
showers after midnight. waves calm to 2 feet. 
.sunday...northwest winds 10 to 20 knots veering north by mid
afternoon. isolated rain showers. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.monday...west winds 10 to 20 knots. waves calm to 2 feet. 
.monday night...west winds 10 to 20 knots. waves building to 1 to
3 feet. 
.tuesday...west winds 10 to 20 knots backing south. a chance of
showers. waves subsiding to calm to 2 feet. 
.wednesday...south winds 15 to 25 knots. showers likely and a
chance of thunderstorms. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 

$$

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