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fzus63 kdtx 281945
glflh 
671 

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt fri apr 28 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...high pressure...averaging 30.30 inches...will build 
over the northern great lakes tonight into saturday as a frontal 
boundary sets up over the northern ohio valley. low pressure 
developing over the southern plains on saturday will move northward 
and bring a wet and unsettled pattern through monday as the frontal 
boundary slowly lifts northward through the central great lakes.

lhz361-290815-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 pm edt fri apr 28 2017

.tonight...west winds 10 to 15 knots with gusts to 20 knots becoming
northwest 5 to 15 knots after midnight. waves 2 to 4 feet 
subsiding to 1 to 3 feet after midnight. 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. waves 1 to 3 feet. 
.saturday night...west winds 5 to 10 knots becoming east 10 to
15 knots after midnight. waves 2 feet or less. 
.sunday...east winds 15 to 20 knots. gusts to 30 knots early in
the afternoon. periods of showers. waves 3 to 5 feet. 
.sunday night...east winds 15 to 20 knots. gusts to 30 knots
early in the evening. periods of showers and scattered
thunderstorms. waves 4 to 6 feet. waves occasionally around
8 feet. 
.monday...east winds 15 to 20 knots with gusts to 30 knots
becoming south 5 to 10 knots late in the afternoon. scattered
thunderstorms. periods of showers...then a chance of showers
early in the evening. waves 4 to 6 feet subsiding to 1 to 3 feet
late in the evening. waves occasionally around 8 feet. 
.tuesday...south winds 5 to 10 knots becoming southwest 10 to
15 knots in the late morning and early afternoon...then veering
to the west until early morning. a chance of showers. a chance of
snow showers in the late evening and early morning. waves 2 to
4 feet. 
.wednesday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the west until early morning. waves 1 to 3 feet. 


$$
fzus63 kdtx 281945
glflh 

lhz362-363-462-290815-
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-
lake huron from port austin to harbor beach beyond 5nm off shore-
345 pm edt fri apr 28 2017

.tonight...north winds 10 to 15 knots with gusts to 20 knots late.
waves 2 to 4 feet.
.saturday...north winds 10 to 15 knots with gusts to 20 knots. 
waves 2 to 4 feet.
.saturday night...north winds 5 to 10 knots becoming east 10 to
15 knots after midnight. scattered showers until early morning.
numerous showers early in the morning. waves 1 to 3 feet building
to 2 to 4 feet after midnight. 
.sunday...east winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and afternoon. gusts to 30 knots. periods of
showers and scattered thunderstorms. locally heavy rainfall
possible late in the afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.sunday night...northeast winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots with gusts to 30 knots in
the late evening and overnight. periods of showers and scattered
thunderstorms. locally heavy rainfall possible early in the
evening. waves 5 to 7 feet. waves occasionally around 10 feet. 
.monday...east winds 15 to 20 knots becoming southeast 10 to
15 knots late in the afternoon...then becoming southwest 15 to
20 knots late in the evening. periods of showers until late
afternoon. scattered thunderstorms. scattered showers. waves 4 to
6 feet. waves occasionally around 8 feet. 
.tuesday...southwest winds 15 to 20 knots. a chance of showers.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots until early evening...then becoming light and variable
in the late evening and early morning. waves 3 to 5 feet
subsiding to 1 to 3 feet until early morning. 


$$
fzus63 klot 290119
glflm 
501 

open lake forecast for lake michigan
national weather service chicago/romeoville il
819 pm cdt fri apr 28 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 29.3 inches over hudson bay will 
shift northeast over northern quebec tonight while weak high 
pressure of 30.0 inches currently over lake michigan shifts 
southeast. another larger high of 30.5 inches will move over 
ontario saturday and weaken as it reaches quebec sunday night. 
the next low of 29.6 inches will form over the southern plains 
saturday night...deepen to 29.3 inches as it reaches iowa sunday 
night...and then pass over the northern end of the lake on tuesday
morning. a cold front trailing from the low pressure will move 
across the lake early tuesday morning, with the low weakening to 
29.4 inches as it moves over quebec tuesday night.

lmz261-362-364-366-563-565-290930-
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-
819 pm cdt fri apr 28 2017

two rivers wi to manistee mi north...

...gale watch in effect from sunday afternoon through monday
morning...

.rest of tonight...southwest winds 5 to 10 kt veering to
northwest late this evening...then becoming north and increasing
to 15 to 25 kt by morning. slight chance of rain showers this 
evening. waves 1 to 3 ft building to 3 to 5 ft occasionally to 7 
ft. 
.saturday...north winds 15 to 25 kt becoming northeast to 30 kt.
waves 4 to 7 ft occasionally to 9 ft. 
.saturday night...northeast winds to 30 kt becoming east. chance
of rain showers. waves 4 to 7 ft occasionally to 9 ft.
.sunday...east winds to 30 kt becoming northeast gales to 35 kt.
rain showers likely. waves 6 to 9 ft occasionally to 11 ft. 
.sunday night...east gales to 35 kt. rain showers likely in the
evening...then rain showers overnight. waves 6 to 9 ft
occasionally to 11 ft. 
.monday...east gales to 35 kt becoming south. rain showers likely
in the morning...then chance of rain showers in the afternoon. 
waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft 
occasionally to 7 ft. 
.monday night...south winds to 30 kt becoming southwest. chance
of rain showers. waves 4 to 6 ft occasionally to 8 ft.
.tuesday...west winds to 30 kt becoming northwest. chance of rain
showers. waves 4 to 7 ft occasionally to 9 ft. 
.wednesday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft.  

$$
fzus63 klot 290119
glflm 

lmz080-567-669-671-673-675-777-779-868-870-872-874-876-878-290930-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from two rivers to sheboygan wi 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 pentwater to manistee mi 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-
819 pm cdt fri apr 28 2017

two rivers wi to manistee mi south...

.rest of tonight...northeast winds 10 to 15 kt gradually
increasing to 30 kt by morning. chance of rain showers this 
evening...then slight chance of rain showers overnight. waves 
1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday...northeast winds to 30 kt. chance of rain showers.
waves 6 to 9 ft occasionally to 11 ft. 
.saturday night...northeast winds to 30 kt becoming east.
occasional gale force gusts to 35 kt possible in the evening. 
rain showers. waves 7 to 10 ft occasionally to 13 ft.
.sunday...east winds to 30 kt becoming northeast. rain showers.
waves 5 to 8 ft occasionally to 10 ft. 
.sunday night...east winds to 30 kt becoming southeast. rain
showers with a chance of thunderstorms in the evening...then rain
showers overnight. waves 4 to 7 ft occasionally to 9 ft. 
.monday...south winds 15 to 25 increasing to 30 kt and becoming
southwest in the afternoon. chance of showers. waves 4 to 7 ft 
occasionally to 9 ft. 
.monday night...southwest gales to 35 kt. chance of rain showers.
waves 7 to 10 ft occasionally to 13 ft. 
.tuesday...west gales to 35 kt diminishing to 30 kt. waves 7 to
10 ft occasionally to 13 ft. 
.wednesday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 1 to 3 ft.  

$$
fzus63 kmqt 281940
glfls 

lsz266-290345-
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-
340 pm edt fri apr 28 2017

.late this afternoon...west winds 20 to 30 knots. isolated snow
showers and patchy drizzle. waves 4 to 7 feet occasionally to
9 feet. 
.tonight...northwest winds 15 to 25 knots. waves subsiding to
2 to 4 feet...then building to 3 to 5 feet occasionally to
7 feet. 
.saturday...north winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 
.saturday night...north winds 10 to 20 knots veering east after
midnight. waves building to 1 to 3 feet. 
.sunday...east winds 15 to 25 knots becoming northeast 10 to
20 knots by mid afternoon. a slight chance of rain by mid
afternoon. waves subsiding to calm to 2 feet. 
.sunday night...east winds 15 to 25 knots increasing to 20 to
30 knots after midnight. a chance of snow through midnight. a
chance of rain. waves building to 3 to 6 feet occasionally to
8 feet. 
.monday...east winds 20 to 30 knots. rain. waves building to 4 to
7 feet occasionally to 9 feet. 
.monday night...southeast winds 15 to 25 knots backing northeast
after midnight. rain showers likely. snow showers likely after
midnight. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tuesday...north winds 15 to 25 knots. a chance of rain showers...
possibly mixed with snow. waves subsiding to 1 to 3 feet. 
.wednesday...north winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet. 

$$
fzus63 kmqt 281940
glfls 
125 

open lake forecast for lake superior
national weather service marquette mi
340 pm edt fri apr 28 2017

for waters beyond five nautical miles of shore on lake superior

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...a ridge of 30.4 inches will build over the upper great 
lakes tonight into saturday. this ridge will move over eastern 
ontario and western quebec by sunday and weaken to 30.3 
inches...while a 29.6 inch low over missouri deepens to 29.2 
inches...and lifts over iowa by monday morning. this area of low 
pressure will continue to lift northeast across wisconsin and up 
into central portions of upper michigan by tuesday morning as a 29.2 
inch low. the low will weaken to around 29.4 inches as it lifts 
northeast into quebec by wednesday morning...leaving a trough of 
29.9 inches draped across the upper great lakes.

lsz162-290345-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
340 pm edt fri apr 28 2017 /240 pm cdt fri apr 28 2017/

.late this afternoon...west winds 10 to 20 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.saturday...north winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.sunday...northeast winds 15 to 25 knots. a slight chance of snow
through early afternoon. a slight chance of rain. waves building
to 3 to 5 feet occasionally to 7 feet. 
.sunday night...northeast winds 20 to 30 knots increasing to
gales to 35 knots after midnight. a chance of rain through
midnight. a chance of snow. rain likely after midnight. waves
building to 5 to 8 feet occasionally to 10 feet. 
.monday...northeast gales to 40 knots. rain...possibly mixed with
snow. waves building to 5 to 9 feet occasionally to 11 feet. 
.monday night...north winds 20 to 30 knots. rain showers and snow
showers likely through midnight...then a chance of rain and snow
showers after midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tuesday...north winds 15 to 25 knots becoming northwest 5 to
15 knots. a chance of snow showers. a chance of rain showers.
waves subsiding to calm to 2 feet. 
.wednesday...south winds 5 to 15 knots veering southwest. waves
calm to 2 feet. 

$$
fzus63 kmqt 281940
glfls 

lsz267-290345-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
340 pm edt fri apr 28 2017

.late this afternoon...west winds 15 to 25 knots. isolated snow
showers and patchy drizzle. waves 3 to 6 feet occasionally to
8 feet. 
.tonight...west winds 15 to 25 knots veering northwest after
midnight. waves subsiding to 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.saturday night...north winds 10 to 20 knots veering east after
midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots backing northeast by mid
afternoon. a slight chance of rain by mid afternoon. waves calm
to 2 feet. 
.sunday night...east winds 10 to 20 knots increasing to 20 to
30 knots after midnight. a chance of rain...possibly mixed with
snow through midnight...then rain likely after midnight. waves
building to 2 to 4 feet. 
.monday...east winds 20 to 30 knots becoming southeast 15 to
25 knots by mid afternoon. rain. waves building to 3 to 5 feet
occasionally to 7 feet...then subsiding to 1 to 3 feet. 
.monday night...southeast winds 10 to 20 knots veering south
after midnight. a chance of rain showers through midnight...then
rain showers likely after midnight. waves subsiding to calm to
2 feet. 
.tuesday...north winds 10 to 20 knots increasing to 15 to
25 knots. a chance of rain showers...possibly mixed with snow.
waves building to 3 to 5 feet occasionally to 7 feet...then
subsiding to 1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 

$$
fzus63 kmqt 281940
glfls 

lsz263-290345-
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-
340 pm edt fri apr 28 2017

.late this afternoon...west winds 15 to 25 knots. isolated snow
showers and patchy drizzle. waves 3 to 6 feet occasionally to
8 feet. 
.tonight...northwest winds 5 to 15 knots veering north after
midnight. waves subsiding to calm to 2 feet. 
.saturday...north winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a slight chance of rain by mid
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.sunday night...northeast winds 15 to 25 knots increasing to
gales to 35 knots after midnight. a chance of rain through
midnight. a chance of snow. rain likely after midnight. waves
building to 4 to 7 feet occasionally to 9 feet. 
.monday...northeast gales to 40 knots. rain...possibly mixed with
snow. waves building to 6 to 9 feet occasionally to 11 feet. 
.monday night...northeast winds 20 to 30 knots backing north
after midnight. rain showers and snow showers likely. waves
subsiding to 4 to 7 feet occasionally to 9 feet. 
.tuesday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of rain showers...possibly mixed with snow.
waves subsiding to calm to 2 feet. 
.wednesday...north winds 5 to 15 knots backing southwest. waves
calm to 2 feet. 

$$
fzus63 kmqt 281940
glfls 

lsz264-290345-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
340 pm edt fri apr 28 2017

.late this afternoon...west winds 20 to 30 knots. isolated snow
showers and patchy drizzle. waves 4 to 7 feet occasionally to
9 feet subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots veering east
after midnight. waves building to 1 to 3 feet. 
.sunday...east winds 5 to 15 knots backing northeast by mid
afternoon. a slight chance of rain by mid afternoon. waves
subsiding to calm to 2 feet. 
.sunday night...northeast winds 10 to 20 knots becoming east
20 to 30 knots after midnight. a chance of rain. a chance of snow
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.monday...northeast gales to 35 knots. snow likely through early
afternoon. rain. a chance of snow by mid afternoon. waves
building to 6 to 9 feet occasionally to 11 feet. 
.monday night...northeast winds 20 to 30 knots. rain showers...
possibly mixed with snow showers. waves subsiding to 4 to 7 feet
occasionally to 9 feet. 
.tuesday...north winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of rain showers...possibly mixed with snow.
waves subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 15 knots backing southwest. waves
subsiding to calm to 2 feet. 

$$
fzus63 kmqt 281940
glfls 

lsz265-290345-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
340 pm edt fri apr 28 2017

.late this afternoon...west winds 15 to 25 knots. isolated snow
showers and patchy drizzle. waves 3 to 5 feet occasionally to
7 feet. 
.tonight...west winds 15 to 25 knots becoming northwest 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.saturday...north winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 
.saturday night...northeast winds 10 to 20 knots veering east
after midnight. waves building to 1 to 3 feet. 
.sunday...east winds 10 to 20 knots backing northeast by mid
afternoon. a slight chance of rain...possibly mixed with snow by
mid afternoon. waves 1 to 3 feet. 
.sunday night...east winds 15 to 25 knots increasing to 20 to
30 knots after midnight. a chance of rain...possibly mixed with
snow through midnight...then rain likely after midnight. waves
subsiding to calm to 2 feet...then building to 3 to 6 feet
occasionally to 8 feet. 
.monday...east winds 20 to 30 knots. rain. waves building to 4 to
7 feet occasionally to 9 feet...then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.monday night...east winds 10 to 20 knots. a chance of rain
showers through midnight...then rain showers...possibly mixed
with snow after midnight. waves subsiding to 1 to 3 feet...then
building to 2 to 4 feet. 
.tuesday...north winds 15 to 25 knots. a chance of rain and snow
showers. waves building to 3 to 6 feet occasionally to 8 feet...
then subsiding to 1 to 3 feet. 
.wednesday...north winds 10 to 20 knots veering south. waves
subsiding to calm to 2 feet. 

$$

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