fzus61 kbuf 192315
glflo 

loz063>065-200315-
lake ontario open waters from hamlin beach to the saint lawrence
river-
715 pm edt mon oct 19 2020

.tonight...east winds 10 to 15 knots becoming northeast 15 to
20 knots. rain with drizzle likely this evening, then rain after
midnight. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...northeast winds 5 to 15 knots. rain early, then a
chance of showers. waves 1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots becoming east
15 to 20 knots. a chance of showers in the evening, then rain
likely overnight. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...southeast winds 15 to 20 knots becoming southwest.
showers likely. waves 2 to 4 feet building to 3 to 5 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest
5 to 15 knots. a chance of showers in the evening. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming southeast. a
chance of showers. waves 1 to 3 feet. 
.friday...south winds 15 to 20 knots becoming southwest. a chance
of showers friday night. waves 1 to 3 feet building to 3 to
5 feet. 
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of showers during the day. waves 1 to 3 feet. 

$$

fzus61 kbuf 192315
glflo 
649 

open lake forecast for lake ontario
national weather service buffalo ny
715 pm edt mon oct 19 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 cold front will stall just south of the lake through
tuesday. meanwhile a 30.3 inch high will move across the upper 
great lakes tuesday to quebec tuesday night. a 29.8 inch low will 
then move from the central great lakes to southern quebec 
wednesday. this will allow a warm front to move north across the 
lake early wednesday morning, followed by a cold front wednesday 
evening. a 30.3 inch high will then build from the great lakes 
wednesday night to new england thursday. a cold front then moves
east across the lake late friday night or early saturday.

loz062-200315-
lake ontario open waters from the niagara river to hamlin beach-
715 pm edt mon oct 19 2020

.tonight...northeast winds 10 to 15 knots increasing to 15 to
20 knots. rain and drizzle likely early, then rain from late
evening on. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...north winds 5 to 15 knots becoming northeast. rain
with drizzle likely early, then a chance of showers late in the
morning. waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday night...east winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers in the evening, then rain likely
overnight. waves 2 feet or less building to 3 to 5 feet. 
.wednesday...southeast winds 15 to 20 knots becoming west.
showers likely. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots becoming southeast. a
chance of showers. waves 1 foot or less building to 1 to 3 feet. 
.friday...south winds 10 to 15 knots becoming west. a chance of
showers. waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming north. a
chance of showers during the day. waves 2 to 3 feet. 

$$

fzus61 kcle 191949
glfle 

lez061-167>169-200230-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from willowick to geneva-on-the-lake oh-
lake erie open waters from geneva-on-the-lake to conneaut oh-
lake erie open waters from conneaut oh to ripley ny-
349 pm edt mon oct 19 2020

.tonight...northeast winds 10 to 15 knots. a chance of showers
this evening, then showers likely after midnight. waves 1 to
3 feet. 
.tuesday...northeast winds 10 to 15 knots. a chance of showers
early. waves 1 to 3 feet. 
.tuesday night...east winds 10 to 15 knots becoming south 15 to
20 knots. a chance of showers in the evening, then showers likely
overnight. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west.
showers likely. waves 3 to 6 feet. 
.wednesday night...west winds 5 to 15 knots becoming northeast
less than 10 knots. waves 3 to 5 feet subsiding to 1 to 2 feet. 
.thursday...east winds 5 to 15 knots becoming south. waves 1 to
3 feet. 
.friday...south winds 10 to 15 knots becoming west. a chance of
showers. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...northwest winds 10 to 15 knots becoming northeast.
waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

fzus61 kcle 191949
glfle 
681 

open lake forecast for lake erie
national weather service cleveland oh
349 pm edt mon oct 19 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...
high pressure of 30.30 inches moves eastward over lake erie
through tuesday. low pressure of 29.80 inches will track 
northeast across the central great lakes on tuesday night, lifting
a warm front north across lake erie. a cold front sweeps 
southeast across lake erie wednesday as the low moves to central 
quebec and deepens slightly. a separate low of 29.60 inches will 
track northeastward into the upper great lakes on thursday and 
thursday night, lifting a strong warm front north across lake 
erie. a weak high pressure ridge averaging 30.10 inches noses over
lake erie from the south and southeast on friday. a cold front 
then sweeps east across the lake friday night as the 
aforementioned low moves northeastward to northern quebec and 
deepens to 29.10 inches. a high pressure ridge averaging 30.20 
inches builds from the upper midwest on saturday. 

lez162-163-200230-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
349 pm edt mon oct 19 2020

.tonight...north winds 10 to 15 knots. a chance of showers. waves
1 to 3 feet. 
.tuesday...north winds 10 to 15 knots becoming east. waves 1 to
3 feet. 
.tuesday night...east winds 10 to 15 knots becoming south 15 to
20 knots. showers likely. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. showers likely in the morning, then a chance of showers
in the afternoon. waves 1 to 3 feet. 
.wednesday night...west winds 10 knots or less becoming east.
waves 1 foot or less. 
.thursday...east winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.friday...southwest winds 10 to 15 knots becoming northwest. a
chance of showers. waves 1 to 2 feet. 
.saturday...north winds 10 to 15 knots becoming northeast. waves
1 to 2 feet. 

$$

fzus61 kcle 191949
glfle 

lez164>166-200230-
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-
349 pm edt mon oct 19 2020

.tonight...northeast winds 10 to 15 knots becoming north. a
chance of showers this evening, then showers likely after
midnight. a chance of showers late. waves 2 to 4 feet. 
.tuesday...north winds 10 to 15 knots becoming northeast. a
slight chance of showers early. waves 2 to 3 feet. 
.tuesday night...east winds 10 to 15 knots becoming south 15 to
20 knots. showers likely. waves 2 to 4 feet. 
.wednesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. showers likely. waves 3 to 6 feet subsiding to 2 to
4 feet. 
.wednesday night...west winds 10 knots or less becoming east.
waves 1 to 3 feet subsiding to 1 foot or less. 
.thursday...east winds 5 to 15 knots becoming south. waves 1 to
3 feet. 
.friday...south winds 10 to 15 knots becoming northwest 15 to
20 knots. a chance of showers. waves 1 to 3 feet building to 2 to
4 feet. 
.saturday...north winds 15 to 20 knots becoming northeast 10 to
15 knots. waves 2 to 3 feet. 

$$

fzus63 kdtx 191947
glfsc 
805 

lake st clair forecast
national weather service detroit/pontiac mi
347 pm edt mon oct 19 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...expansive high pressure of 30.30 inches centered over
wisconsin will slowly move across and through the northern lakes
by tuesday evening. a low pressure system 29.80 inches will
quickly follow the highs path tuesday night dragging a cold front
through wednesday morning.

lcz460-200815-
lake st clair-
347 pm edt mon oct 19 2020

.tonight...north winds 5 to 10 knots. cloudy with light showers
likely. waves 2 feet or less.
.tuesday...northeast winds 5 to 10 knots. mostly cloudy. waves 2
feet or less.
.tuesday night...east winds 5 to 10 knots becoming southeast 10 to
15 knots in the late evening, veering to the south after 
midnight. light showers likely and a chance of thunderstorms in 
the evening, then showers and a chance of thunderstorms after 
midnight. waves 2 feet or less.
.wednesday...southwest winds 10 to 15 knots becoming west 5 to 10
knots early in the afternoon. mostly cloudy. light showers and a
chance of thunderstorms in the morning. waves 2 feet or less.
.wednesday night...west winds 5 to 10 knots early in the evening
becoming light and variable. partly cloudy in the evening becoming
mostly cloudy. a chance of light showers. waves 2 feet or less.
.thursday...southeast winds 5 to 10 knots. mostly cloudy with a
chance of light showers in the morning...then partly cloudy in the
afternoon and evening. waves 2 feet or less.
.friday...west winds 10 to 15 knots. partly cloudy. light showers
likely. waves 2 feet or less.
.saturday...north winds 10 to 15 knots. partly cloudy. light showers
likely. waves 2 feet or less.

$$

fzus63 kdtx 191945
glflh 
061 

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm edt mon oct 19 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...expansive high pressure of 30.30 inches centered over
wisconsin will slowly move through the northern lakes by tuesday 
evening. a low pressure system 29.80 inches will quickly follow 
the highs path tuesday night dragging a cold front through 
wednesday morning.

lhz361-200815-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 pm edt mon oct 19 2020

.tonight...light and variable winds becoming northwest 5 to
10 knots after midnight. a chance of showers. waves 2 feet or
less. 
.tuesday...north winds 5 to 10 knots in the morning becoming
light and variable...then becoming east 5 to 10 knots late in the
afternoon. waves 2 feet or less. 
.tuesday night...east winds 10 to 15 knots. showers. waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.
.wednesday...southeast winds 5 to 10 knots becoming southwest
10 to 15 knots in the late morning and afternoon. showers in the
morning. waves 2 to 4 feet. 
.wednesday night...west winds 10 to 15 knots becoming light and
variable. a chance of showers after midnight. waves 1 to 3 feet. 
.thursday...north winds 5 to 10 knots becoming southeast 10 to
15 knots. showers likely. waves 1 to 3 feet building to 2 to 4 
feet late in the afternoon. 
.friday...south winds 10 to 15 knots veering to the west early in
the evening...then becoming northwest 15 to 20 knots in the late
evening and early morning. a chance of showers early in the
morning...then showers likely. waves 3 to 5 feet.
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. waves 2 to 4 feet subsiding to
2 feet or less until early morning. 


$$

fzus63 kdtx 191945
glflh 

lhz362-363-200815-
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-
345 pm edt mon oct 19 2020

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


$$

fzus63 kdtx 191945
glflh 

lhz462>464-200815-
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-
345 pm edt mon oct 19 2020

.tonight...light and variable winds becoming north 5 to 10 knots
in the late evening and overnight. showers likely in the evening.
waves 2 feet or less. 
.tuesday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.tuesday night...east winds 5 to 10 knots becoming southeast
10 to 15 knots in the late evening and overnight. a chance of
showers in the evening...then showers after midnight. waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.
.wednesday...south winds 10 to 15 knots veering to the west in
the late morning and afternoon. waves 2 to 4 feet. 
.wednesday night...west winds 5 to 10 knots. showers likely after
midnight. waves 1 to 3 feet. 
.thursday...east winds 5 to 10 knots becoming southeast 10 to
15 knots. showers likely in the morning...then a chance of
showers late in the morning. waves 2 feet or less building to
2 to 4 feet late in the afternoon. 
.friday...south winds 10 to 15 knots veering to the northwest in
the late evening and early morning. rain showers likely. waves 2 
to 4 feet.
.saturday...northwest winds 10 to 15 knots. a chance of showers
early in the morning. waves 3 to 5 feet subsiding to 2 to 4 feet
in the late evening and early morning. 


$$

fzus63 kmkx 192039
glflm 
787 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
339 pm cdt mon oct 19 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 of 30.3 inches will linger over the region through 
the middle of the week, keeping winds and waves light. there will
be a chance for some rain showers across the southern half of the
lake this evening and tuesday evening as quick waves move through
the central plains into the ohio river valley. a system on 
thursday will bring increasing winds and waves to the entire lake
through friday.

&&

lmz261-362-364-366-563-565-567-868-200315-
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-
339 pm cdt mon oct 19 2020

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 15 kt becoming north. waves 1 to
2 ft. 
.tuesday...north winds 10 to 15 kt veering to east. chance of
rain showers in the afternoon. waves 1 to 2 ft. 
.tuesday night...southeast winds 10 to 20 kt becoming south. rain
showers. waves 1 to 3 ft building to 3 to 5 ft. 
.wednesday...west winds 15 to 25 kt. waves 2 to 4 ft. 
.wednesday night...west winds 10 to 20 kt becoming north 10 to
15 kt. chance of rain showers. waves 2 to 4 ft subsiding to 1 to
3 ft. 
.thursday...east winds 15 to 25 kt becoming southeast to 30 kt.
rain showers likely. waves 2 to 4 ft building to 4 to 7 ft
occasionally to 9 ft. 
.thursday night...south winds to 30 kt. showers likely. waves
6 to 9 ft occasionally to 12 ft building to 8 to 11 ft
occasionally to 14 ft. 
.friday...southwest winds to 30 kt becoming northwest. showers
likely. waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to
8 ft occasionally to 10 ft. 
.saturday...northwest winds 10 to 20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 192039
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-200315-
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-
339 pm cdt mon oct 19 2020

sheboygan wi to pentwater mi south...

.tonight...north winds 10 to 20 kt becoming northeast. slight
chance of rain showers. waves 1 to 3 ft. 
.tuesday...northeast winds 10 to 20 kt becoming east. waves 2 to
4 ft. 
.tuesday night...southeast winds 15 to 25 kt veering to
southwest. chance of showers. waves 2 to 4 ft building to 3 to
5 ft. 
.wednesday...west winds 10 to 20 kt becoming northwest. waves
2 to 4 ft. 
.wednesday night...northwest winds 5 to 10 kt veering to east
10 to 20 kt overnight. chance of showers in the evening, then
showers overnight. waves 1 to 3 ft. 
.thursday...southeast winds 15 to 25 kt becoming south. chance of
showers. waves 3 to 5 ft building to 4 to 7 ft occasionally to
9 ft. 
.thursday night...south winds to 30 kt. chance of showers. waves
6 to 9 ft occasionally to 12 ft building to 7 to 10 ft
occasionally to 13 ft. 
.friday...southwest winds to 30 kt becoming northwest. chance of
showers and thunderstorms. waves 7 to 10 ft occasionally to
13 ft. 
.saturday...north winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 192009
glfls 

lsz266-200415-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
409 pm edt mon oct 19 2020

.late this afternoon...west winds 5 to 15 knots. a slight chance
of rain showers. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...west winds 5 to 15 knots increasing to 10 to 20 knots
after midnight, then becoming northwest 5 to 15 knots late. a
slight chance of rain showers. waves building to 1 to 3 feet,
then subsiding to calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. a chance of
rain showers by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 15 to 25 knots diminishing to
10 to 20 knots late. rain, possibly mixed with snow. waves
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...west winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain. waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.wednesday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.thursday...east winds 10 to 20 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain through early
afternoon, then rain by mid afternoon. waves subsiding to calm to
2 feet, then building to 2 to 4 feet. 
.thursday night...east winds 20 to 30 knots becoming northeast
15 to 25 knots after midnight. rain. waves building to 3 to
5 feet occasionally to 7 feet. 
.friday...northwest winds 20 to 30 knots. a chance of rain. waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 5 feet occasionally to 7 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 192009
glfls 

lsz267-200415-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
409 pm edt mon oct 19 2020

.late this afternoon...west winds 10 to 20 knots. a slight chance
of rain showers. waves 1 to 3 feet subsiding to calm to 2 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of rain showers. waves calm to
2 feet. 
.tuesday...northwest winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. rain showers
likely by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 15 to 25 knots. rain. snow after
midnight. waves building to 2 to 4 feet. 
.wednesday...west winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain. waves subsiding to
1 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.wednesday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.thursday...southeast winds 10 to 20 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain through early
afternoon, then rain by mid afternoon. waves subsiding to calm to
2 feet, then building to 2 to 4 feet. 
.thursday night...east winds 20 to 30 knots becoming south 15 to
25 knots after midnight. rain. waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.friday...northwest winds 20 to 30 knots. rain likely. waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
2 to 4 feet. 
.saturday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 

$$

fzus63 kmqt 192009
glfls 

lsz263-200415-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
409 pm edt mon oct 19 2020

.late this afternoon...west winds 10 to 20 knots. a slight chance
of rain showers. waves 1 to 3 feet. 
.tonight...west winds 10 to 20 knots veering northwest after
midnight, then diminishing to 5 to 15 knots late. a slight chance
of rain showers through midnight. waves subsiding to calm to
2 feet. 
.tuesday...south winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. rain showers
by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 15 to 25 knots veering south
late. rain, possibly mixed with snow. waves building to 2 to
4 feet. 
.wednesday...west winds 15 to 25 knots. a slight chance of rain
through early afternoon. waves subsiding to 1 to 3 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.wednesday night...west winds 10 to 20 knots veering northwest
after midnight. waves subsiding to calm to 2 feet. 
.thursday...east winds 10 to 20 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain, possibly mixed with
snow through early afternoon, then rain by mid afternoon. waves
building to 3 to 5 feet occasionally to 7 feet. 
.thursday night...northeast winds 20 to 30 knots becoming north
gales to 35 knots after midnight. rain, possibly mixed with snow.
waves 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of rain, possibly mixed with snow. waves
subsiding to 1 to 3 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 192009
glfls 

lsz264-200415-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
409 pm edt mon oct 19 2020

.late this afternoon...west winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...west winds 5 to 15 knots veering northwest after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...northwest winds less than 10 knots becoming southeast
5 to 15 knots in the afternoon. a chance of rain showers by mid
afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then becoming south 10 to 20 knots
late. rain, possibly mixed with snow. waves building to 3 to
5 feet occasionally to 7 feet. 
.wednesday...west winds 15 to 25 knots. a chance of rain. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday night...west winds 10 to 20 knots becoming northwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...east winds 5 to 15 knots increasing to 20 to 30 knots
by mid afternoon. a chance of rain through early afternoon, then
rain by mid afternoon. waves building to 2 to 4 feet. 
.thursday night...east winds 20 to 30 knots backing north after
midnight. rain. snow likely after midnight. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday...north winds 20 to 30 knots becoming northwest 10 to
20 knots. a chance of rain, possibly mixed with snow. waves
subsiding to 2 to 4 feet. 
.saturday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 192009
glfls 
771 

open lake forecast for lake superior
national weather service marquette mi
409 pm edt mon oct 19 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...a ridge at 30.3 inches will remain over the region 
through tuesday afternoon as the high pressure system shifts east 
to quebec. tuesday night, a low pressure system around 30.0 inches
will develop in the midwest and track northeast across lower 
michigan. this low will move quickly, reaching quebec wednesday 
afternoon. another low of 29.6 inches will develop over the 
central plains thursday and is expected to reach the upper great 
lakes thursday night and weaken to 29.7 inches on friday. a 30.3 
inch ridge shifts over the upper great lakes saturday. 

lsz162-200415-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
409 pm edt mon oct 19 2020 /309 pm cdt mon oct 19 2020/

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

$$

fzus63 kmqt 192009
glfls 

lsz265-200415-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
409 pm edt mon oct 19 2020

.late this afternoon...west winds 5 to 15 knots. a slight chance
of rain showers. waves calm to 2 feet. 
.tonight...west winds 5 to 15 knots increasing to 10 to 20 knots
after midnight, then diminishing to 5 to 15 knots late. a slight
chance of rain showers through midnight. waves calm to 2 feet. 
.tuesday...northwest winds 5 to 15 knots backing southeast in the
afternoon, then increasing to 10 to 20 knots late. rain showers
by mid afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 15 to 25 knots becoming south
10 to 20 knots late. rain, possibly mixed with snow. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet. 
.wednesday...west winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. a slight chance of rain through early
afternoon. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.wednesday night...west winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...east winds 10 to 20 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain through early
afternoon, then rain by mid afternoon. waves building to 2 to
4 feet. 
.thursday night...east winds 20 to 30 knots becoming north 15 to
25 knots after midnight. rain. waves building to 3 to 5 feet
occasionally to 7 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of rain. waves 3 to 6 feet occasionally to 8 
feet, then subsiding to 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots becoming west 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$