fzus61 kbuf 271141
glflo 

loz063>065-271515-
lake ontario open waters from hamlin beach to the saint lawrence
river-
741 am edt tue oct 27 2020

.today...northeast winds 5 to 15 knots. a chance of showers
through early afternoon, then showers likely with areas of
drizzle late. waves 1 to 3 feet. 
.tonight...east winds less than 10 knots becoming southwest and
increasing to 15 to 20 knots after midnight. showers likely with
areas of drizzle early, then showers likely late in the evening.
a chance of showers after midnight. waves 1 to 3 feet building to
2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots. a chance of showers
in the morning. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.wednesday night...southwest winds 15 to 25 knots becoming west.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.thursday...northwest winds 5 to 10 knots becoming northeast and
increasing to 30 knots. a chance of rain showers during the day,
then rain showers likely thursday night. waves 2 to 4 feet
building to 8 to 11 feet. waves occasionally around 14 feet. 
.friday...northeast winds to 30 knots becoming northwest and
diminishing to 5 to 15 knots. rain showers likely during the day.
waves 8 to 11 feet subsiding to 1 to 3 feet. waves occasionally
around 14 feet. 
.saturday...west winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 foot or less building to 2 to 4 feet. 

$$

fzus61 kbuf 271141
glflo 
859 

open lake forecast for lake ontario
national weather service buffalo ny
741 am edt tue oct 27 2020

for waters beyond five nautical miles of shore on lake ontario

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 frontal boundary will then remain stalled south of 
the lake through tuesday night. a weak 30.2 inch ridge of high 
pressure will then build into the ohio valley and mid atlantic 
wednesday. a 29.6 inch low is then forecast to move from the ohio 
valley thursday to off the jersey shore by early friday morning.

loz062-271515-
lake ontario open waters from the niagara river to hamlin beach-
741 am edt tue oct 27 2020

.today...northeast winds 5 to 15 knots becoming east less than
10 knots. a chance of showers early this afternoon. showers
likely with areas of drizzle late. waves 1 to 2 feet. 
.tonight...southeast winds 5 to 15 knots becoming west 15 to
20 knots. showers likely with areas of drizzle early, then a
chance of showers late in the evening. waves 1 to 3 feet building
to 2 to 4 feet. 
.wednesday...southwest winds 15 to 25 knots. waves 2 to 4 feet
building to 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday night...southwest winds 15 to 25 knots becoming west.
waves 4 to 7 feet subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 
.thursday...north winds 5 to 10 knots becoming northeast and
increasing to 30 knots. a chance of rain showers. waves 1 to
3 feet building to 7 to 10 feet. waves occasionally around
13 feet. 
.friday...northeast winds to 30 knots becoming northwest and
diminishing to less than 10 knots. a chance of rain showers
during the day. waves 7 to 10 feet subsiding to 2 feet or less.
waves occasionally around 13 feet. 
.saturday...west winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 270748
glfle 

lez061-168-169-271415-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from geneva-on-the-lake to conneaut oh-
lake erie open waters from conneaut oh to ripley ny-
348 am edt tue oct 27 2020

.today...northwest winds 5 to 15 knots becoming west. a slight
chance of showers early, then a slight chance of showers with
patchy drizzle late this morning. a chance of showers with patchy
drizzle this afternoon. waves 2 feet or less. 
.tonight...west winds 5 to 15 knots increasing to 15 to 20 knots.
a chance of showers with patchy drizzle early, then a chance of
showers late in the evening. a slight chance of showers after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots becoming southwest. waves
3 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.thursday...north winds 5 to 10 knots becoming northeast and
increasing to 30 knots. rain likely. waves 1 to 3 feet building
to 5 to 8 feet. waves occasionally around 10 feet. 
.friday...north winds 15 to 25 knots becoming northeast and
diminishing to less than 10 knots. a chance of rain during the
day. waves 4 to 7 feet subsiding to 2 feet or less. waves
occasionally around 9 feet. 
.saturday...south winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 foot or less building to 2 to 4 feet. 

$$

fzus61 kcle 270748
glfle 
803 

open lake forecast for lake erie
national weather service cleveland oh
348 am edt tue oct 27 2020

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 30.20 inches will build east across the area 
through tuesday and persist through wednesday. low pressure of 
29.50 inches will pass through the tennessee and ohio valleys on 
thursday, reaching the mid-atlantic by friday while extending a 
trough averaging 29.80 inches over lake erie. high pressure of 
30.30 inches will build east across the eastern great lakes 
friday night and saturday.

lez162-163-271415-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
348 am edt tue oct 27 2020

.today...northwest winds 10 knots or less becoming west. a slight
chance of showers. waves 1 foot or less. 
.tonight...west winds 5 to 15 knots. a slight chance of showers
early. waves 2 feet or less. 
.wednesday...west winds 10 to 15 knots becoming southwest. waves
1 to 2 feet. 
.wednesday night...southwest winds 5 to 15 knots becoming west
less than 10 knots. a chance of rain overnight. waves 2 feet or
less. 
.thursday...northeast winds 5 to 10 knots becoming north and
increasing to 30 knots. rain likely during the day, then a chance
of rain thursday night. waves 1 foot or less building to 3 to
6 feet. 
.friday...north winds 15 to 20 knots becoming east and
diminishing to less than 10 knots. a chance of rain during the
day. waves 3 to 5 feet subsiding to 1 foot or less. 
.saturday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet. 

$$

fzus61 kcle 270748
glfle 

lez164>167-271415-
lake erie open waters from the islands to vermilion oh-
lake erie open waters from vermilion to avon point oh-
lake erie open waters from avon point to willowick oh-
lake erie open waters from willowick to geneva-on-the-lake oh-
348 am edt tue oct 27 2020

.today...northwest winds 5 to 15 knots becoming west. a slight
chance of showers early, then a slight chance of showers with
patchy drizzle late this morning. a chance of showers with patchy
drizzle this afternoon. waves 2 feet or less. 
.tonight...west winds 5 to 15 knots increasing to 15 to 20 knots.
a slight chance of showers with patchy drizzle early, then a
slight chance of showers. waves 1 to 3 feet building to 2 to
4 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest. waves
2 to 4 feet building to 3 to 6 feet. 
.wednesday night...southwest winds 15 to 20 knots becoming west
5 to 15 knots. a chance of rain overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 10 knots becoming north and
increasing to 30 knots. rain likely. waves 2 feet or less
building to 5 to 8 feet. waves occasionally around 10 feet. 
.friday...north winds 15 to 25 knots becoming northwest and
diminishing to 5 to 15 knots. a chance of rain during the day.
waves 4 to 7 feet subsiding to 1 to 3 feet. waves occasionally
around 9 feet. 
.saturday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 

$$

fzus63 kdtx 270737
glfsc 
590 

lake st clair forecast
national weather service detroit/pontiac mi
337 am edt tue oct 27 2020

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 30.20 inches will continue
building east from the central plains into the ohio valley today.
pressure will decrease tonight to around 30.00 inches as a trough
drops toward the region from canada. pressure will remain steady
into the midweek as this trough only brushes the northern great
lakes and a strong low lifts into the ohio valley.

lcz460-272015-
lake st clair-
337 am edt tue oct 27 2020

.today...west winds 5 to 10 knots. partly sunny in the morning
becoming cloudy. waves 2 feet or less.
.tonight...west winds 5 to 10 knots increasing to 10 to 15 knots in
the late evening and overnight. mostly clear. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots. sunny. waves 2 feet or
less.
.wednesday night...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and early morning...then veering to the
northwest early in the morning. partly cloudy until early morning
becoming mostly cloudy. waves 2 feet or less.
.thursday...north winds 5 to 10 knots becoming northeast 10 to 15
knots in the afternoon and evening. mostly cloudy with a chance of
light rain. waves 2 feet or less.
.friday...north winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.
.saturday...south winds 10 to 15 knots. mostly clear. waves 2 feet
or less.

$$

fzus63 kdtx 270734
glflh 
077 

open lake forecast for lake huron
national weather service detroit/pontiac mi
334 am edt tue oct 27 2020

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 30.20 inches will continue
building east from the central plains into the ohio valley today.
pressure will decrease tonight to around 30.00 inches as a trough
drops toward the region from canada. pressure will remain steady
into the midweek as this trough only brushes the northern great
lakes and a strong low lifts into the ohio valley.

lhz361-272030-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
334 am edt tue oct 27 2020

.today...light and variable winds becoming southwest 5 to
10 knots in the late morning and early afternoon...then
increasing to 10 to 15 knots late in the afternoon. waves 2 feet
or less. 
.tonight...southwest winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots early in the morning.
waves 3 to 5 feet building to 5 to 7 feet early in the morning.
waves occasionally around 10 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots becoming west 15 to 20 knots in the late morning and
afternoon. waves 4 to 6 feet. 
.wednesday night...west winds 10 to 15 knots becoming northwest
5 to 10 knots after midnight. waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. waves occasionally around 8 feet. 
.thursday...north winds 5 to 10 knots becoming northeast 10 to
15 knots. waves 1 to 3 feet. 
.friday...northeast winds 5 to 10 knots backing to the west in
the late evening and early morning. waves 2 feet or less. 
.saturday...south winds 5 to 10 knots increasing to 15 to
20 knots. a chance of. waves 1 to 3 feet building to 2 to 4 feet.


$$

fzus63 kdtx 270734
glflh 

lhz362-363-462-272030-
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-
334 am edt tue oct 27 2020

.today...north winds 5 to 10 knots backing to the west early in
the afternoon...then becoming southwest 10 to 15 knots late in
the afternoon. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. waves 3 to 5 feet
building to 6 to 9 feet after midnight. waves occasionally around
12 feet. 
.wednesday...southwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots in the late morning and afternoon. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.wednesday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 3 to 5 feet. 
.thursday...north winds 10 to 15 knots becoming northeast 15 to
20 knots late in the afternoon. waves 1 to 3 feet building to
3 to 5 feet late in the afternoon. 
.friday...north winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then backing to the west in the late
evening and early morning. waves 3 to 5 feet subsiding to 1 to
3 feet until early morning. 
.saturday...southwest winds 5 to 10 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 


$$

fzus63 kdtx 270734
glflh 

lhz463-464-272030-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
334 am edt tue oct 27 2020

.today...north winds 5 to 10 knots backing to the west early in
the afternoon...then increasing to 10 to 15 knots late in the
afternoon. a chance of rain. waves 1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 15 to
20 knots after midnight. waves 1 to 3 feet building to 3 to
5 feet in the late evening and overnight. 
.wednesday...southwest winds 15 to 20 knots. waves 3 to 5 feet. 
.wednesday night...west winds 10 to 15 knots decreasing to 5 to
10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.thursday...northwest winds 5 to 10 knots becoming northeast
10 to 15 knots late in the morning...then increasing to 15 to
20 knots late in the afternoon. a chance of rain. waves 1 to
3 feet building to 3 to 5 feet late in the afternoon. 
.friday...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late evening and early morning. a chance of rain early in
the morning. waves 3 to 5 feet subsiding to 1 to 3 feet until
early morning. 
.saturday...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. waves 2 feet or less
building to 2 to 4 feet until early morning. 


$$

fzus63 kmkx 270805
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-271515-
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-
305 am cdt tue oct 27 2020

sheboygan wi to pentwater mi south...

.today...northwest winds 10 to 15 kt becoming west. chance of
rain showers this morning. waves 1 to 3 ft. 
.tonight...west winds 10 to 20 kt becoming southwest to 30 kt.
waves 2 to 4 ft building to 5 to 8 ft occasionally to 10 ft. 
.wednesday...southwest winds to 30 kt diminishing to 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.wednesday night...west winds 10 to 20 kt veering to north. waves
3 to 5 ft subsiding to 1 to 3 ft. 
.thursday...northeast winds 10 to 20 kt increasing to 30 kt in
the afternoon. waves 2 to 4 ft building to 3 to 5 ft. 
.thursday night...north winds to 30 kt diminishing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft. 
.friday...north winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft. 
.saturday...south winds to 30 kt. waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 270805
glflm 
033 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
305 am cdt tue oct 27 2020

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 around 30.5 inches will continue to move south 
into the southern plains through today, while a surface low 
averaging 29.5 inches develops in the lee of the canadian 
rockies. this surface low will weaken slightly as it tracks east 
across central canada and merges with another surface low over the
hudson bay on wednesday. as this happens, a period of southwest 
gales appear likely across the northern third of the lake late 
tonight and into wednesday. behind the departing surface low, high
pressure of 30.2 inches moves in across the upper great lakes.

&&

lmz261-362-364-366-563-565-271515-
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-
305 am cdt tue oct 27 2020

two rivers wi to manistee mi north...

...gale warning in effect from this evening through wednesday
morning...

.today...west winds 10 to 15 kt increasing to 10 to 20 kt early
this afternoon, then becoming southwest 15 to 25 kt late. chance
of rain and snow showers this morning. waves 2 to 4 ft building
to 4 to 6 ft occasionally to 8 ft. 
.tonight...southwest winds to 30 kt increasing to gales to 40 kt.
waves 4 to 7 ft occasionally to 9 ft building to 8 to 12 ft
occasionally to 16 ft. 
.wednesday...southwest gales to 35 kt becoming west 15 to 25 kt.
waves 8 to 12 ft occasionally to 16 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.wednesday night...northwest winds 10 to 20 kt becoming north.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.thursday...north winds 10 to 20 kt becoming northeast 15 to
25 kt. waves 2 to 4 ft. 
.thursday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft. 
.friday...north winds 10 to 20 kt becoming northwest 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...south gales to 45 kt. waves 4 to 6 ft occasionally to
8 ft building to 5 to 8 ft occasionally to 10 ft.  

$$

fzus63 kmkx 270805
glflm 

lmz567-868-271515-
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-
305 am cdt tue oct 27 2020

two rivers wi to manistee mi south to sheboygan wi to pentwater
mi...

.today...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
chance of rain and snow showers this morning. waves 1 to 3 ft. 
.tonight...southwest winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 6 to 9 ft occasionally to 12 ft. 
.wednesday...southwest winds to 30 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.wednesday night...west winds 10 to 20 kt becoming north 10 to
15 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.thursday...northeast winds 10 to 20 kt increasing to 15 to
25 kt. waves 3 to 5 ft. 
.thursday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft. 
.friday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...south winds to 30 kt. waves 3 to 5 ft building to
4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 270803
glfls 

lsz267-271615-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
403 am edt tue oct 27 2020

.early this morning...southwest winds 15 to 25 knots. a slight
chance of snow showers. waves 1 to 3 feet building to 2 to
4 feet. 
.today...southwest winds 20 to 30 knots. waves building to 4 to
7 feet occasionally to 9 feet. 
.tonight...southwest winds to 30 knots with a few gale force
gusts to 35 knots possible. a chance of rain and snow showers.
waves building to 7 to 10 feet occasionally to 13 feet. 
.wednesday...west winds 15 to 25 knots. a chance of rain showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...northwest winds 10 to 20 knots veering north
after midnight. a slight chance of rain showers through midnight.
waves subsiding to 1 to 3 feet. 
.thursday...north winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 
.thursday night...northeast winds 10 to 20 knots. waves calm to
2 feet. 
.friday...north winds 10 to 20 knots becoming south gales to
35 knots. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday...south gales to 40 knots veering west. a chance of
rain showers. waves building to 11 to 15 feet occasionally to
19 feet. 

$$

fzus63 kmqt 270803
glfls 

lsz263-271615-
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-
403 am edt tue oct 27 2020

...gale warning in effect from 11 am edt this morning through
wednesday morning...

.early this morning...southwest winds 20 to 30 knots. a slight
chance of snow showers. waves 3 to 5 feet occasionally to 7 feet
building to 4 to 7 feet occasionally to 9 feet. 
.today...southwest gales to 40 knots. waves building to 10 to
14 feet occasionally to 18 feet. 
.tonight...southwest gales to 40 knots veering west late. a
slight chance of rain and snow showers. waves subsiding to 9 to
12 feet occasionally to 15 feet. 
.wednesday...west winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. a chance of rain showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...north winds 10 to 20 knots. a slight chance of
rain and snow showers after midnight. waves subsiding to calm to
2 feet. 
.thursday...north winds 10 to 20 knots. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots backing northwest
after midnight. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots becoming south winds 20 
to 30 knots. waves building to 3 to 6 feet occasionally to 8 
feet.
.saturday...southwest gales to 35 knots becoming northwest gales
to 40 knots. waves building to 6 to 10 feet occasionally to
13 feet. 

$$

fzus63 kmqt 270803
glfls 

lsz264-271615-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
403 am edt tue oct 27 2020

...gale warning in effect from 11 am edt this morning through
wednesday morning...

.early this morning...southwest winds 20 to 30 knots. a slight
chance of snow showers. waves 3 to 5 feet occasionally to 7 feet
building to 4 to 7 feet occasionally to 9 feet. 
.today...southwest gales to 40 knots. a slight chance of snow 
showers through early afternoon. waves building to 10 to 14 feet 
occasionally to 18 feet. 
.tonight...southwest gales to 40 knots veering west after
midnight. a chance of rain showers, possibly mixed with snow.
waves building to 11 to 15 feet occasionally to 19 feet, then
subsiding to 10 to 14 feet occasionally to 18 feet. 
.wednesday...west gales to 35 knots diminishing to 15 to 25 knots
in the afternoon. a slight chance of rain showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a slight chance of rain showers through
midnight. waves subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.thursday night...north winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots becoming south 20 to 30 knots.
waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday...southwest gales to 35 knots becoming northwest gales
to 40 knots. waves building to 8 to 11 feet occasionally to
14 feet. 

$$

fzus63 kmqt 270803
glfls 
996 

open lake forecast for lake superior
national weather service marquette mi
403 am edt tue oct 27 2020

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...ridging of 30.3 inches remains draped across the upper
great lakes this morning. it will move eastward into the lower
great lakes and weaken to 30.2 inches this afternoon as a 29.5 
inch low moving towards hudson bay extends extends a 29.7 inch 
trough across ontario. this trough will cross lake superior 
tuesday night and wednesday. by thursday, 30.2 inch high pressure
will be building into northern ontario. it will then drift
southeastward across lake superior on friday. saturday a 29.3 inch
low is expected to move through northern ontario, dragging a 29.6
inch trough across lake superior saturday night. 

lsz162-271615-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
403 am edt tue oct 27 2020 /303 am cdt tue oct 27 2020/

...gale warning in effect from 11 am edt /10 am cdt/ this morning
through late tonight...

.early this morning...southwest winds 20 to 30 knots. waves 3 to
6 feet occasionally to 8 feet. 
.today...southwest gales to 40 knots. waves building to 8 to
11 feet occasionally to 14 feet. 
.tonight...southwest gales to 40 knots. a slight chance of snow
showers through midnight. a slight chance of rain showers. waves
building to 10 to 14 feet occasionally to 18 feet, then subsiding
to 6 to 9 feet occasionally to 11 feet. 
.wednesday...southwest winds 15 to 25 knots veering west in the
afternoon. a slight chance of rain showers. waves subsiding to
2 to 4 feet. 
.wednesday night...northwest winds 10 to 20 knots veering north
after midnight. a slight chance of rain and snow showers after
midnight. waves subsiding to calm to 2 feet. 
.thursday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots becoming south 20 to
30 knots. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday...southwest gales to 35 knots veering northwest. waves
building to 5 to 8 feet occasionally to 10 feet. 

$$

fzus63 kmqt 270803
glfls 

lsz265-271615-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
403 am edt tue oct 27 2020

.early this morning...west winds 15 to 25 knots. waves 1 to
3 feet building to 2 to 4 feet. 
.today...west winds 15 to 25 knots becoming southwest 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.tonight...southwest winds 20 to 30 knots veering west late. a
slight chance of rain showers after midnight. waves building to
4 to 7 feet occasionally to 9 feet. 
.wednesday...west winds 15 to 25 knots. a chance of rain showers.
waves subsiding to 2 to 4 feet. 
.wednesday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. a slight chance of rain showers. a
slight chance of snow showers after midnight. waves subsiding to
1 to 3 feet. 
.thursday...north winds 10 to 20 knots. waves 1 to 3 feet. 
.thursday night...north winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming south 20 to
30 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.saturday...south gales to 35 knots becoming northwest gales to
40 knots. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 270803
glfls 

lsz266-271615-
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-
403 am edt tue oct 27 2020

.early this morning...southwest winds 15 to 25 knots. a slight
chance of snow showers. waves 2 to 4 feet building to 3 to 6 feet
occasionally to 8 feet. 
.today...southwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon. waves building to 9 to 12 feet occasionally to
15 feet. 
.tonight...southwest winds to 30 knots with a few gale force
gusts to 35 knots possible becoming west to 30 knots with a few
isolated gale force gusts as high as 40 knots possible late. a 
chance of rain showers, possibly mixed with snow. waves building 
to 10 to 14 feet occasionally to 18 feet. 
.wednesday...west winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 15 to 25 knots. a chance of
rain showers. waves subsiding to 4 to 7 feet occasionally to
9 feet. 
.wednesday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. a slight chance of rain showers. a
slight chance of snow showers after midnight. waves subsiding to
1 to 3 feet. 
.thursday...north winds 10 to 20 knots. waves 1 to 3 feet. 
.thursday night...north winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming south gales to
40 knots. waves building to 5 to 8 feet occasionally to 10 feet. 
.saturday...south gales to 40 knots veering northwest. waves
building to 11 to 15 feet occasionally to 19 feet. 

$$