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fzus61 kbuf 291341
glflo 
059 

open lake forecast for lake ontario
national weather service buffalo ny
941 am edt thu oct 29 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 29.4 inch low is forecast to move from near the ohio
valley this morning to off the jersey shore this evening. 
meanwhile a 30.2 inch high will build from near lake superior
today to the central great lakes and western quebec through 
friday before reaching new england saturday. the high will 
strengthen to 30.5 inches during this progression. a 29.3 inch low
is then forecast to move across quebec sunday, with a trailing
cold front crossing the lake late in the day.

loz062-292115-
lake ontario open waters from the niagara river to hamlin beach-
941 am edt thu oct 29 2020

.this afternoon...east winds 10 to 15 knots becoming northeast and
increasing to 30 knots. a chance of showers late.
waves 2 feet or less building to 5 to 8 feet. waves occasionally
around 10 feet. 
.tonight...northeast winds to 30 knots. a chance of rain showers
early. waves 5 to 9 feet. waves occasionally around 11 feet. 
.friday...northeast winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of rain and snow showers in the morning. waves
3 to 6 feet subsiding to 1 to 2 feet. 
.friday night...northwest winds 10 knots or less. waves 2 feet or
less. 
.saturday...southwest winds 10 knots or less becoming south and
increasing to 15 to 20 knots. waves 2 feet or less building to
2 to 4 feet. 
.sunday...southwest winds 15 to 25 knots becoming northwest. rain
showers likely. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. rain and snow showers likely during the day, then a
chance of rain and snow showers monday night. waves 3 to 6 feet
subsiding to 2 to 4 feet. 

$$
fzus61 kbuf 291341
glflo 

loz063>065-292115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
941 am edt thu oct 29 2020

.this afternoon...east winds 10 to 15 knots becoming northeast and
increasing to 15 to 25 knots. a chance of showers. waves 1 to 2 
feet building to 4 to 7 feet. waves occasionally around 9 feet. 
.tonight...northeast winds 15 to 25 knots. rain likely early,
then a chance of rain showers late in the evening. waves 5 to
8 feet. waves occasionally around 10 feet. 
.friday...northeast winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. a chance of rain and snow showers
in the morning, then a chance of rain showers in the afternoon.
waves 4 to 7 feet subsiding to 1 to 3 feet. waves occasionally
around 9 feet. 
.friday night...north winds 10 knots or less becoming northwest.
waves 2 feet or less. 
.saturday...southwest winds 5 to 10 knots becoming south and
increasing to 15 to 25 knots. waves 1 foot or less building to
3 to 5 feet. 
.sunday...south winds 20 to 25 knots becoming west. rain showers.
waves 3 to 6 feet building to 5 to 8 feet. waves occasionally
around 10 feet. 
.monday...northwest winds 15 to 25 knots. rain and snow showers
likely during the day, then a chance of snow and rain showers
monday night. waves 5 to 8 feet subsiding to 3 to 6 feet. waves
occasionally around 10 feet. 

$$
fzus61 kcle 291343
glfle 
834 

open lake forecast for lake erie
national weather service cleveland oh
943 am edt thu oct 29 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...
low pressure 29.40 inches over southwest virginia will move off
the mid-atlantic coast by this evening. a rough averaging 29.90 
inches extends northwest from the low onto lake erie. high 
pressure 30.50 inches will build east across the lake friday night
and saturday. on sunday, low pressure 29.40 inches will move east
across james bay, extending a cold front south across the lake. a
ridge averaging 30.30 inches will build over the lake on monday.

lez162-163-292015-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
943 am edt thu oct 29 2020

.this afternoon...northeast winds 5 to 15 knots. rain, then a
chance of rain late. waves 2 feet or less. 
.tonight...northeast winds 15 to 20 knots becoming north. a
chance of rain through the early overnight, then a chance of
showers late. waves 2 to 4 feet building to 3 to 5 feet. 
.friday...north winds 10 to 15 knots becoming northwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.friday night...northwest winds 10 knots or less becoming east.
waves 2 feet or less. 
.saturday...south winds 5 to 15 knots becoming southwest 15 to
20 knots. waves 1 foot or less building to 2 to 4 feet. 
.sunday...southwest winds to 30 knots becoming northwest. a
chance of rain showers during the day. waves 3 to 6 feet. 
.monday...northwest winds 15 to 25 knots becoming west. waves
3 to 5 feet subsiding to 1 to 3 feet. 

$$
fzus61 kcle 291343
glfle 

lez164>167-292015-
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-
943 am edt thu oct 29 2020

.this afternoon...east winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. rain. waves 1 foot or less building
to 1 to 3 feet. 
.tonight...northeast winds 15 to 25 knots. rain likely early,
then a chance of rain. a chance of showers late. waves 3 to
5 feet building to 4 to 7 feet. waves occasionally around 9 feet.
.friday...northeast winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of showers in the morning. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.friday night...northwest winds 5 to 10 knots becoming northeast.
waves 2 feet or less. 
.saturday...south winds 5 to 10 knots increasing to 15 to
25 knots. waves 1 foot or less building to 4 to 7 feet. waves
occasionally around 9 feet. 
.sunday...west gales to 35 knots becoming northwest and
diminishing to 30 knots. a chance of rain showers. waves 6 to
9 feet building to 8 to 12 feet. waves occasionally around
15 feet. 
.monday...northwest winds to 30 knots becoming west 15 to
25 knots. a chance of rain showers during the day. waves 7 to
10 feet subsiding to 5 to 8 feet. waves occasionally around
13 feet. 

$$
fzus61 kcle 291343
glfle 

lez061-168-169-292015-
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-
943 am edt thu oct 29 2020

.this afternoon...east winds 5 to 10 knots becoming northeast and
increasing to 15 to 20 knots. rain. waves 1 to 3 feet. 
.tonight...northeast winds 15 to 25 knots. rain likely in the
evening, then a chance of rain after midnight. a chance of
showers late. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.friday...northeast winds 15 to 20 knots becoming north 5 to
15 knots. a chance of rain showers in the morning. waves 3 to
6 feet subsiding to 1 to 3 feet. 
.friday night...northwest winds 5 to 10 knots becoming northeast.
waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming south and
increasing to 15 to 25 knots. waves 2 feet or less building to
3 to 6 feet. 
.sunday...southwest winds to 30 knots becoming northwest. rain
showers likely. waves 6 to 9 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 
.monday...northwest winds to 30 knots diminishing to 15 to
25 knots. rain showers likely during the day, then a chance of
rain showers monday night. waves 7 to 10 feet subsiding to 5 to
8 feet. waves occasionally around 13 feet. 

$$
fzus63 kdtx 291345
glfsc 
795 

lake st clair forecast
national weather service detroit/pontiac mi
945 am edt thu oct 29 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...a weak cold front reaches northern portions of lake
huron by thursday morning before stalling and washing out in
favor of high pressure building into the region thursday into
friday. this occurs as the remnants of zeta moves across the
tennessee valley resulting in moderate northeast wind over
central great lakes marine areas to finish the week. marine
conditions otherwise remain favorable during this time until a
stronger low pressure system arrives during the weekend.

lcz460-292000-
lake st clair-
945 am edt thu oct 29 2020

.rest of today...northeast winds 5 to 10 knots increasing to 10 to
15 knots in the afternoon. mostly cloudy. waves 2 feet or less.
.tonight...north winds 15 to 20 knots diminishing to 10 to 15 knots
early in the morning. mostly cloudy. a chance of light showers after
midnight. waves 1 to 3 feet.
.friday...north winds 10 to 15 knots becoming northwest 5 to 10
knots early in the afternoon. mostly cloudy. waves 2 feet or less.
.friday night...northwest winds 5 to 10 knots early in the evening
becoming light and variable. mostly clear. waves 2 feet or less.
.saturday...southeast winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon and evening. mostly sunny becoming clear.
waves 2 feet or less.
.sunday...west winds 15 to 20 knots with gusts to 30 knots. partly
cloudy. waves 1 to 3 feet. a small craft advisory may be needed.
.monday...west winds 15 to 20 knots. mostly clear. waves 1 to 3
feet.

$$
fzus63 kdtx 291344
glflh 

lhz362-363-292000-
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-
944 am edt thu oct 29 2020

.rest of today...northeast winds 15 to 20 knots. a chance of
showers late in the morning. waves 4 to 6 feet. 
.tonight...northeast winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 4 to 6 feet. 
.friday...north 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. waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and afternoon. waves occasionally
around 8 feet. 
.friday night...northwest winds 5 to 10 knots early in the
evening becoming light and variable. waves 2 feet or less. 
.saturday...south winds 10 to 15 knots increasing to 20 to
25 knots with gusts to around 30 knots. a chance of showers late
in the evening. waves 1 to 3 feet building to 8 to 12 feet. waves
occasionally around 15 feet. 
.sunday...west winds 20 to 25 knots veering to the northwest in
the late evening and early morning. gusts to around 35 knot 
gales. a chance of showers. a chance of snow showers until early 
morning. waves 8 to 12 feet. waves occasionally around 15 feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots. a chance of showers early in the morning. waves 8 to
12 feet subsiding to 5 to 7 feet until early morning. waves
occasionally around 15 feet. 


$$
fzus63 kdtx 291344
glflh 

lhz462>464-292000-
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-
944 am edt thu oct 29 2020

.rest of today...northeast winds 10 to 15 knots increasing to
15 to 20 knots in the afternoon. a chance of showers. waves 2 to
4 feet building to 5 to 7 feet in the afternoon. waves
occasionally around 10 feet. 
.tonight...northeast winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. a chance of showers in the evening.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.friday...north winds 10 to 15 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet in the late morning and afternoon. 
.friday night...northwest winds 5 to 10 knots early in the
evening becoming light and variable. waves 1 to 3 feet. 
.saturday...south winds 5 to 10 knots increasing to 20 to
25 knots with gusts to around 30 knots. a chance of showers late
in the evening. waves 1 to 3 feet building to 6 to 9 feet. waves
occasionally around 12 feet. 
.sunday...southwest winds 15 to 20 knots becoming west 20 to
25 knots with gusts to around 35 knot gales. a chance of showers.
a chance of snow showers in the late evening and early morning. 
waves 6 to 9 feet building to 8 to 12 feet in the late evening and
early morning. waves occasionally around 15 feet. 
.monday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots with gusts to around
30 knots. a chance of showers early in the morning. waves 6 to
9 feet subsiding to 4 to 6 feet in the late evening and early
morning. waves occasionally around 12 feet. 


$$
fzus63 kdtx 291344
glflh 
641 

open lake forecast for lake huron
national weather service detroit/pontiac mi
944 am edt thu oct 29 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...a weak cold front reaches northern portions of lake
huron by thursday morning before stalling and washing out in
favor of high pressure building into the region thursday into
friday. this occurs as the remnants of zeta moves across the
tennessee valley resulting in moderate northeast wind over
central great lakes marine areas to finish the week. marine
conditions otherwise remain favorable during this time until a
stronger low pressure system arrives during the weekend.

lhz361-292000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
944 am edt thu oct 29 2020

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


$$
fzus63 kmkx 291428
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-292115-
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-
928 am cdt thu oct 29 2020

sheboygan wi to pentwater mi south...

...gale warning in effect until 3 pm cdt this afternoon...

.rest of today...northeast gales to 35 kt becoming north to
30 kt. slight chance of rain showers late this morning. waves
6 to 9 ft occasionally to 12 ft building to 7 to 10 ft
occasionally to 13 ft. 
.tonight...north winds to 30 kt diminishing to 10 to 20 kt.
chance of rain showers. waves 7 to 10 ft occasionally to 13 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.friday...north winds 10 to 15 kt diminishing to 5 to 10 kt.
chance of rain showers in the morning. waves 3 to 5 ft subsiding
to 2 to 4 ft. 
.friday night...east winds 5 to 10 kt veering to south 10 to
20 kt overnight. waves 1 to 3 ft. 
.saturday...south winds to 30 kt increasing to gales to 40 kt in
the afternoon. waves 5 to 8 ft occasionally to 10 ft building to
8 to 12 ft occasionally to 16 ft. 
.saturday night...south gales to 40 kt becoming west. waves 8 to
12 ft occasionally to 16 ft subsiding to 7 to 10 ft occasionally
to 13 ft. 
.sunday...west gales to 40 kt becoming northwest. waves 10 to
14 ft occasionally to 18 ft. 
.monday...northwest winds 15 to 25 kt becoming west to 30 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft
occasionally to 8 ft.  

$$
fzus63 kmkx 291428
glflm 
220 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
928 am cdt thu oct 29 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... 

north winds have increased from the north this morning as high 
pressure of 30.3 inches pushes east toward the area from the 
central plains, and tropical storm zeta lifts through the 
southeast into the mid atlantic. gale gusts to 35 knots are 
expected across the southern half of the lake into mid afternoon.

winds will weaken tonight into friday as the high moves overhead.
this weekend a period of strong winds continues to look favorable
over the open waters as strong low pressure averaging 29.4 inches
tracks northeast across south central canada and then up towards 
the hudson bay. a trailing cold front will push across lake 
michigan saturday night, followed by a stronger cold front on 
sunday. gales are likely for saturday and sunday with near storm 
force winds possible in northern reaches on sunday.

&&

lmz261-362-364-366-563-565-567-868-292115-
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-
928 am cdt thu oct 29 2020

sheboygan wi to pentwater mi north...

.rest of today...north winds to 30 kt diminishing to 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.tonight...north winds 15 to 25 kt diminishing to 10 to 15 kt.
chance of light freezing rain and slight chance of rain showers
overnight. waves 5 to 8 ft occasionally to 10 ft subsiding to
3 to 5 ft. 
.friday...north winds 10 to 15 kt becoming northwest. waves 2 to
4 ft subsiding to 1 to 2 ft. 
.friday night...southwest winds 5 to 10 kt becoming south 10 to
20 kt overnight. waves 1 to 2 ft building to 1 to 3 ft. 
.saturday...south gales to 35 kt increasing to gales to 45 kt in
the afternoon. waves 6 to 9 ft occasionally to 12 ft building to
10 to 14 ft occasionally to 18 ft. 
.saturday night...southwest gales to 45 kt becoming west gales to
35 kt. chance of rain showers. waves 12 to 16 ft occasionally to
21 ft. 
.sunday...west gales to 40 kt becoming northwest gales to 45 kt.
chance of rain showers. waves 8 to 11 ft occasionally to 14 ft. 
.monday...northwest winds 15 to 25 kt becoming west to 30 kt.
waves 4 to 6 ft occasionally to 8 ft.  

$$
fzus63 kmqt 291400
glfls 

lsz264-292200-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am edt thu oct 29 2020

.rest of today...northeast winds 10 to 20 knots diminishing to
5 to 15 knots in the afternoon, then backing north late. a slight
chance of freezing drizzle and snow showers by late morning.
waves 2 to 4 feet subsiding to calm to 2 feet. 
.tonight...north winds 5 to 15 knots becoming northwest less than
10 knots after midnight, then becoming west 5 to 15 knots late. a
slight chance of snow showers after midnight. waves calm to
2 feet. 
.friday...west winds 5 to 15 knots. a slight chance of rain and
snow showers through early afternoon. waves calm to 2 feet. 
.friday night...southwest winds 5 to 15 knots becoming south
15 to 25 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.saturday...south gales to 40 knots. a chance of rain showers by
mid afternoon. waves building to 7 to 10 feet occasionally to
13 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. 
.saturday night...west winds 20 to 30 knots increasing to gales
to 35 knots after midnight. a chance of rain showers through
midnight, then snow showers, possibly mixed with rain after
midnight. waves building to 8 to 11 feet occasionally to 14 feet.
.sunday...northwest gales to 45 knots diminishing to 20 to
30 knots. snow showers likely. waves building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.monday...west winds 15 to 25 knots becoming southwest 5 to
15 knots. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 

$$
fzus63 kmqt 291400
glfls 

lsz265-292200-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am edt thu oct 29 2020

.rest of today...northeast winds 15 to 25 knots becoming north
10 to 20 knots late. a slight chance of drizzle and snow showers.
a slight chance of freezing drizzle by mid afternoon. waves 3 to
5 feet occasionally to 7 feet subsiding to 1 to 3 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then backing northwest late. a slight
chance of snow showers. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves building to 2 to 4 feet. 
.saturday...south gales to 35 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.saturday night...west winds 20 to 30 knots increasing to gales
to 40 knots after midnight. a chance of rain showers through
midnight, then snow showers, possibly mixed with rain after
midnight. waves building to 7 to 10 feet occasionally to 13 feet.
.sunday...northwest gales to 45 knots. snow showers. waves
building to 12 to 17 feet occasionally to 21 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 

$$
fzus63 kmqt 291400
glfls 

lsz266-292200-
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-
1000 am edt thu oct 29 2020

.rest of today...northeast winds 15 to 25 knots becoming north
10 to 20 knots late. a slight chance of drizzle and snow showers.
waves 3 to 6 feet occasionally to 8 feet subsiding to 1 to
3 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then backing northwest late. a slight
chance of snow showers. waves subsiding to calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing west late. a
slight chance of snow showers. a slight chance of rain showers by
mid afternoon. waves calm to 2 feet. 
.friday night...southwest winds 10 to 20 knots becoming south
15 to 25 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.saturday...south gales to 40 knots. waves building to 7 to
11 feet occasionally to 14 feet. 
.saturday night...southwest winds 20 to 30 knots becoming west
gales to 35 knots after midnight. rain showers. snow showers
after midnight. waves subsiding to 6 to 9 feet occasionally to
11 feet, then building to 9 to 12 feet occasionally to 15 feet. 
.sunday...northwest gales to 45 knots. snow showers. waves
building to 17 to 22 feet occasionally to 28 feet, then subsiding
to 6 to 9 feet occasionally to 11 feet. 
.monday...northwest winds 15 to 25 knots becoming west 10 to
20 knots. waves subsiding to 2 to 4 feet. 

$$
fzus63 kmqt 291400
glfls 

lsz267-292200-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am edt thu oct 29 2020

.rest of today...northeast winds 15 to 25 knots becoming north
10 to 20 knots late. a slight chance of drizzle by late morning.
waves 3 to 5 feet occasionally to 7 feet subsiding to 1 to
3 feet. 
.tonight...northeast winds 10 to 20 knots becoming east 5 to
15 knots after midnight. waves calm to 2 feet. 
.friday...north winds 5 to 15 knots backing west late. a slight
chance of rain and snow showers by mid afternoon. waves calm to
2 feet. 
.friday night...southwest winds 10 to 20 knots backing south
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.saturday...south gales to 40 knots. a chance of rain showers by
mid afternoon. waves building to 6 to 9 feet occasionally to
11 feet. 
.saturday night...south gales to 35 knots veering west after
midnight. rain showers. snow showers after midnight. waves
subsiding to 4 to 7 feet occasionally to 9 feet, then building to
9 to 12 feet occasionally to 15 feet. 
.sunday...north gales to 45 knots becoming northwest gales to
35 knots. snow showers, possibly mixed with rain. waves building
to 17 to 22 feet occasionally to 28 feet, then subsiding to 6 to
9 feet occasionally to 11 feet. 
.monday...northwest winds 15 to 25 knots becoming west 10 to
20 knots. a chance of rain and snow showers. waves subsiding to
2 to 4 feet. 

$$
fzus63 kmqt 291400
glfls 
844 

open lake forecast for lake superior
national weather service marquette mi
1000 am edt thu oct 29 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...today, a 30.2 inch high pressure will drift 
eastward across lake superior through friday. on saturday, a 29.3
inch low is expected to move through northern ontario, dragging a
29.6 inch trough across lake superior saturday night and early 
sunday. sunday will see a 30.6 inch high pressure move southeast 
across the central plains. this will bring a ridge of 30.2 inches 
over lake superior sunday afternoon. this ridge will remain until 
monday.

lsz162-292200-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt thu oct 29 2020 /900 am cdt thu oct 29 2020/

.rest of today...north winds 10 to 20 knots becoming northeast
5 to 15 knots in the afternoon, then backing north late. waves
2 to 4 feet subsiding to calm to 2 feet. 
.tonight...west winds 5 to 15 knots veering northwest late. a
slight chance of snow showers after midnight. waves calm to
2 feet. 
.friday...west winds 5 to 15 knots backing southwest late. waves
calm to 2 feet. 
.friday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday...south winds 20 to 30 knots veering southwest by mid
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...west gales to 40 knots. a chance of snow
showers. waves building to 7 to 10 feet occasionally to 13 feet. 
.sunday...northwest gales to 40 knots becoming west 15 to
25 knots. waves building to 8 to 11 feet occasionally to 14 feet,
then subsiding to 2 to 4 feet. 
.monday...west winds 10 to 20 knots backing southwest. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 

$$
fzus63 kmqt 291400
glfls 

lsz263-292200-
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-
1000 am edt thu oct 29 2020

.rest of today...north winds 10 to 20 knots veering northeast in
the afternoon, then diminishing to 5 to 15 knots late. a slight
chance of drizzle, freezing drizzle and snow showers. waves 2 to
4 feet subsiding to calm to 2 feet. 
.tonight...northwest winds 5 to 15 knots backing west after
midnight. a slight chance of snow showers. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest late. a
slight chance of rain and snow showers through early afternoon.
waves calm to 2 feet. 
.friday night...south winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday...south gales to 35 knots becoming southwest 20 to
30 knots by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.saturday night...west gales to 40 knots. a chance of rain and
snow showers. waves building to 9 to 12 feet occasionally to
15 feet. 
.sunday...northwest gales to 45 knots diminishing to 15 to
25 knots. a chance of snow showers. waves building to 10 to
14 feet occasionally to 18 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.monday...west winds 10 to 20 knots backing southwest. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 

$$

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