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fzus61 kbuf 221750
glflo 
358 

glflo 

open lake forecast for lake ontario
national weather service buffalo ny
130 pm edt tue aug 22 2017

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 29.5 inch low over southwestern quebec will move east 
across quebec tonight and wednesday while deepening to 29.2 inches. 
a strong cold front trailing this low will cross the lake this 
evening. the low will weaken and exit across labrador on thursday. a 
30.2 inch high will then build from near lake superior thursday to 
the central great lakes friday and the eastern great lakes saturday.

loz062-222100-
lake ontario open waters from the niagara river to hamlin beach-
130 pm edt tue aug 22 2017

...tornado watch 461 in effect until 9 pm edt this evening...

.this afternoon...southwest winds 10 to 15 knots increasing to
15 to 25 knots. showers and thunderstorms early...
then showers and thunderstorms likely late. some thunderstorms
may be severe with strong winds early. waves 2 to
4 feet building to 3 to 5 feet. 
.tonight...west winds 20 to 25 knots. showers likely early...then
a chance of showers late in the evening. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.wednesday...west winds 15 to 25 knots. a chance of showers in
the afternoon. waves 3 to 6 feet. 
.wednesday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers in the evening. waves 3 to
5 feet subsiding to 2 to 4 feet. 
.thursday...northwest winds 5 to 15 knots becoming north. a
chance of waterspouts during the day. a chance of showers during
the day. waves 1 to 3 feet. 
.friday...northeast winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots becoming north. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 221750
glflo 

loz063>065-222100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
130 pm edt tue aug 22 2017

...tornado watch 461 in effect until 9 pm edt this evening...

.this afternoon...southwest winds 15 to 25 knots. showers and
thunderstorms. some thunderstorms may be severe with strong
winds. waves 2 to 4 feet building to 3 to 5 feet. 
.tonight...southwest winds to 30 knots becoming west 15 to
25 knots. a chance of showers in the evening. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.wednesday...west winds 20 to 25 knots. a chance of showers in
the afternoon. waves 4 to 7 feet. waves occasionally around
9 feet. 
.wednesday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. a chance of showers in the evening. waves 3 to
6 feet. 
.thursday...northwest winds 10 to 15 knots becoming north. a
chance of waterspouts during the day. a chance of showers during
the day. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northeast winds 5 to 15 knots becoming northwest. waves
1 to 3 feet. 
.saturday...northwest winds 10 knots or less. waves 2 feet or
less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 221633 aaa
glfle 

lez166>169-222015-
lake erie open waters from avon point to willowick oh-
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-
1233 pm edt tue aug 22 2017

.this afternoon...southwest winds 20 to 25 knots. showers and
thunderstorms likely. waves 3 to 6 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 
.tonight...west winds 15 to 25 knots becoming northwest. a chance
of showers and thunderstorms early. waves 5 to 8 feet subsiding
to 3 to 6 feet. waves occasionally around 10 feet. 
.wednesday...west winds 15 to 20 knots. waves 3 to 5 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming north.
waves 2 to 4 feet subsiding to 1 to 2 feet. 
.thursday...north winds 5 to 10 knots. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 221633 aaa
glfle 
018 

open lake forecast for lake erie...updated
national weather service cleveland oh
1233 pm edt tue aug 22 2017

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 29.70 inches over southeast ontario will
continue northeast across eastern canada and deepen to 29.30 
inches by wednesday. the trailing cold front will cross lake erie 
this afternoon and evening. high pressure 30.20 inches will build 
across lake erie wednesday. a weak trough of low pressure 29.90 
inches will drop across the lake on thursday. high pressure 30.20 
inches will move across the lake this weekend.

lez162>165-222015-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
lake erie open waters from the islands to vermilion oh-
lake erie open waters from vermilion to avon point oh-
1233 pm edt tue aug 22 2017

.this afternoon...southwest winds 15 to 20 knots becoming west.
showers and thunderstorms likely. waves 3 to 5 feet. 
.tonight...west winds 15 to 25 knots becoming northwest. a chance
of showers early. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.wednesday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.wednesday night...northwest winds 5 to 15 knots becoming north.
waves 1 to 3 feet. 
.thursday...north winds 5 to 10 knots becoming northeast. waves
2 feet or less. 
.friday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday...northeast winds 5 to 10 knots becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 221633 aaa
glfle 

lez061-222015-
lake erie open waters from ripley to buffalo ny-
1233 pm edt tue aug 22 2017

...tornado watch 461 in effect until 9 pm edt this evening...

.this afternoon...southwest winds 15 to 25 knots. showers and
thunderstorms. some thunderstorms may be severe. waves 3 to
5 feet building to 5 to 8 feet. waves occasionally around
10 feet. 
.tonight...west winds 15 to 25 knots. showers and thunderstorms
likely early...then a chance of showers and thunderstorms late in
the evening. waves 5 to 8 feet subsiding to 3 to 5 feet. waves
occasionally around 10 feet. 
.wednesday...west winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers in the afternoon. waves 2 to 4 feet
building to 3 to 5 feet. 
.wednesday night...northwest winds 15 to 20 knots diminishing to
5 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 10 knots. a chance of showers during
the day. waves 1 foot or less. 
.friday...north winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday...northeast winds 10 knots or less becoming east. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 221349
glfle 

lez061-166>169-222030-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from avon point to willowick oh-
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-
949 am edt tue aug 22 2017

.this afternoon...southwest winds 15 to 25 knots. showers and 
thunderstorms.  waves 3 to 6 feet building to 5 to 8 feet. waves 
occasionally around 10 feet. 
.tonight...west winds 15 to 25 knots becoming northwest. showers
and thunderstorms likely early...then a chance of showers and
thunderstorms late. waves 5 to 8 feet subsiding to 3 to 6 feet. 
waves occasionally around 10 feet. 
.wednesday...west winds 15 to 20 knots. waves 3 to 6 feet.
.wednesday night...northwest winds 15 to 20 knots becoming north
5 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 10 knots. waves 2 feet or less. 
.friday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.saturday...east winds 5 to 10 knots. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 221347
glfsc 
397 

lake st clair forecast
national weather service detroit/pontiac mi
947 am edt tue aug 22 2017

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 near the straits during the morning at 
29.50 inches will move toward james bay and deepen to 29.20 inches 
by this evening. the strong cold front associated with this system 
will move through northern lake huron by late morning and then reach 
western lake erie toward evening. northwest gales are likely by late 
afternoon through tonight over the north half of lake huron, 
diminishing but remaining moderate through wednesday. high pressure 
averaging 30.20 inches will then build into the region thursday 
through friday.

lcz460-222015-
lake st clair-
947 am edt tue aug 22 2017

.rest of today...west winds 15 to 20 knots. periods of showers and
thunderstorms likely. waves 1 to 3 feet.
.tonight...northwest winds 10 to 15 knots becoming west 5 to 10
knots early in the morning. partly cloudy early in the evening then
clearing. thunderstorms likely and numerous showers early in the
evening. waves 2 feet or less.
.wednesday...west winds 5 to 10 knots becoming northwest 10 to 15
knots in the late morning and afternoon. mostly sunny. waves 2 feet
or less.
.wednesday night...north winds 5 to 10 knots. partly cloudy. waves 2
feet or less.
.thursday...north winds 5 to 10 knots. mostly sunny becoming partly
sunny in the afternoon and evening becoming mostly clear. waves 2
feet or less.
.friday...northeast winds 5 to 10 knots. clear. waves 2 feet or
less.
.saturday...northeast winds 5 to 10 knots. clear. waves 2 feet or
less.

$$
fzus63 kdtx 221345
glflh 

lhz363-462-222015-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
945 am edt tue aug 22 2017

.rest of today...southwest winds 20 to 25 knots with gusts to
30 knots becoming west 15 to 20 knots late in the afternoon.
periods of showers late in the morning. a chance of thunderstorms
in the late morning and early afternoon. scattered showers early
in the afternoon. waves 4 to 6 feet. waves occasionally around
8 feet. 
.tonight...west winds 15 to 20 knots. gusts to 30 knots until
early morning. waves 5 to 7 feet. waves occasionally around
10 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots early in the afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.wednesday night...northwest winds 10 to 15 knots. waves 4 to
6 feet. waves occasionally around 8 feet. 
.thursday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet late in the afternoon. 
.friday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 


$$
fzus63 kdtx 221345
glflh 

lhz463-464-222015-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
945 am edt tue aug 22 2017

.rest of today...southwest winds 20 to 25 knots decreasing to
15 to 20 knots in the afternoon. periods of showers and a chance
of thunderstorms. waves 2 to 4 feet. 
.tonight...northwest winds 15 to 20 knots becoming west 10 to
15 knots early in the morning. numerous showers and a chance of
thunderstorms early in the evening. waves 1 to 3 feet building to
5 to 7 feet in the late evening and overnight. waves occasionally
around 10 feet. 
.wednesday...northwest winds 10 to 15 knots. waves 3 to 5 feet. 
.wednesday night...northwest winds 10 to 15 knots. waves 3 to
5 feet. 
.thursday...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. a chance of showers early in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon. 
.friday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.saturday...light and variable winds becoming northeast 5 to
10 knots. waves 2 feet or less. 


$$
fzus63 kdtx 221345
glflh 
362 

open lake forecast for lake huron
national weather service detroit/pontiac mi
945 am edt tue aug 22 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...low pressure near the straits during the morning at 
29.50 inches will move toward james bay and deepen to 29.20 inches 
by this evening. the strong cold front associated with this system 
will move through northern lake huron by late morning and then reach 
western lake erie toward evening. northwest gales are likely by late 
afternoon through tonight over the north half of lake huron, 
diminishing but remaining moderate through wednesday. high pressure 
averaging 30.20 inches will then build into the region thursday 
through friday.

lhz361-362-222015-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
945 am edt tue aug 22 2017

...gale warning in effect from 5 pm edt this afternoon through
late tonight...

.rest of today...southwest winds 15 to 20 knots becoming west
20 to 25 knots with gusts to 30 knots early in the afternoon...
then veering to the northwest with gusts to 35 knot gales late in
the afternoon. numerous showers and a chance of thunderstorms 
late in the morning. waves 4 to 6 feet. waves occasionally around 
8 feet.
.tonight...west winds 20 to 25 knots decreasing to 15 to 20 knots
early in the morning. gusts to 35 knot gales. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to
30 knots. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday night...northwest winds 15 to 20 knots with gusts to
30 knots decreasing to 10 to 15 knots after midnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.thursday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...north winds 5 to 10 knots early in the morning becoming
light and variable...then becoming west 5 to 10 knots in the late
evening and early morning. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots until afternoon
becoming light and variable. waves 2 feet or less. 


$$
fzus63 kdtx 220745
glflh 
198 

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 am edt tue aug 22 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...low pressure near the straits during the morning at 
29.50 inches will move toward james bay and deepen to 29.20 inches 
by this evening. the strong cold front associated with this system 
will move through northern lake huron by late morning and then reach 
western lake erie toward evening. northwest gales are likely by late 
afternoon through tonight over the north half of lake huron, 
diminishing but remaining moderate through wednesday. high pressure 
averaging 30.20 inches will then build into the region thursday 
through friday.

lhz361-222015-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
345 am edt tue aug 22 2017

...gale warning in effect from this afternoon through late
tonight...

.today...southwest winds 10 to 15 knots becoming west 15 to
20 knots late in the morning...then increasing to 20 to 25 knots
with gusts to 30 knots in the afternoon. showers with
thunderstorms likely until late afternoon. waves 1 to 3 feet
building to 3 to 5 feet in the afternoon. 
.tonight...northwest winds 20 to 25 knots becoming west 15 to
20 knots after midnight. gusts to 35 knot gales. waves 5 to
7 feet. waves occasionally around 10 feet. 
.wednesday...northwest winds 15 to 20 knots. gusts to 30 knots in
the late morning and afternoon. waves 4 to 6 feet. 
.wednesday night...northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet subsiding to 2 to 4 feet after midnight. waves
occasionally around 8 feet. 
.thursday...north winds 5 to 10 knots becoming northwest 10 to
15 knots late in the afternoon...then decreasing to 5 to 10 knots
late in the evening. waves 1 to 3 feet. 
.friday...north winds 5 to 10 knots early in the morning becoming
light and variable...then becoming west 5 to 10 knots in the late
evening and early morning. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 


$$
fzus63 kdtx 220745
glflh 

lhz363-222015-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
345 am edt tue aug 22 2017

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


$$
fzus63 kdtx 220745
glflh 

lhz362-222015-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
345 am edt tue aug 22 2017

...gale warning in effect from this afternoon through late
tonight...

.today...southwest winds 15 to 20 knots becoming west 20 to
25 knots with gusts to 30 knots in the afternoon. showers with
thunderstorms likely until late afternoon. waves 3 to 5 feet
building to 4 to 6 feet late in the afternoon. waves occasionally
around 8 feet. 
.tonight...west winds 20 to 25 knots with gusts to 35 knot gales.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday...northwest winds 20 to 25 knots with gusts to
30 knots. waves 6 to 9 feet. waves occasionally around 12 feet. 
.wednesday night...northwest winds 15 to 20 knots with gusts to
30 knots decreasing to 10 to 15 knots after midnight. waves 4 to
6 feet. waves occasionally around 8 feet. 
.thursday...northwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.friday...north winds 5 to 10 knots early in the morning becoming
light and variable...then becoming west 5 to 10 knots in the late
evening and early morning. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots until afternoon
becoming light and variable. waves 2 feet or less. 


$$
fzus63 kdtx 220745
glflh 

lhz462>464-222015-
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 am edt tue aug 22 2017

.today...southwest winds 15 to 20 knots. showers with
thunderstorms likely. waves 2 to 4 feet. 
.tonight...west winds 15 to 20 knots. gusts to 30 knots late in
the evening. showers and thunderstorms likely early in the
evening. waves 2 to 4 feet building to 5 to 7 feet in the late
evening and overnight. waves occasionally around 10 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots early in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.wednesday night...northwest winds 10 to 15 knots. waves 3 to
5 feet. 
.thursday...north winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. a chance of showers early in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon. 
.friday...north winds 5 to 10 knots becoming light and variable.
waves 2 feet or less. 
.saturday...light and variable winds. waves 2 feet or less. 


$$
fzus63 klot 221353
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-222130-
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-
853 am cdt tue aug 22 2017

sheboygan wi to pentwater mi south...

.rest of today...west winds 15 to 25 kt becoming northwest 20 to
25 kt toward midday. a few gusts around 35 kt possible late this
morning and around midday. slight chance of showers this morning.
waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft 
occasionally to 10 ft. 
.tonight...northwest winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft. 
.wednesday...northwest winds 10 to 20 kt becoming north. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.wednesday night...north winds 10 to 20 kt. waves 3 to 5 ft.
.thursday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt diminishing to
10 to 15 kt. waves 2 to 4 ft. 
.friday...northeast winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday...northeast winds less than 10 kt increasing to 5 to
10 kt. waves 1 ft or less.  

$$
fzus63 klot 221353
glflm 
604 

open lake forecast for lake michigan
national weather service chicago/romeoville il
853 am cdt tue aug 22 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 29.5 inches over the central ontario
and quebec border will deepen to 29.4 inches and into quebec this
by this afternoon. the low will drag a cold front south down the 
lake through early this afternoon. the low will deepen further to
29.2 inches tonight while high pressure of 30.1 inches spreads 
southeast across the plains. the high will eventually drift east 
to the western lakes by early thursday, then will remain in place 
and strengthen to 30.2 inches while drifting very slowly east into
saturday.

lmz261-362-364-366-563-565-567-868-222130-
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-
853 am cdt tue aug 22 2017

sheboygan wi to pentwater mi north...

.rest of today...northwest winds 20 to 25 kt easing to 15 to 25 kt
this afternoon. a few gusts around 35 kt possible through late 
morning. slight chance of showers this morning. waves 4 to 6 ft 
occasionally to 8 ft. 
.tonight...northwest winds 15 to 25 kt. waves 4 to 7 ft 
occasionally to 9 ft. 
.wednesday...northwest winds 10 to 20 kt becoming north. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt. waves 2 to 4 ft.
.thursday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...north winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft. 
.friday...north winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday...east winds less than 10 kt becoming northeast. waves
nearly calm.  

$$
fzus63 kmqt 221400
glfls 

lsz267-222100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am edt tue aug 22 2017

.rest of today...northwest winds 20 to 30 knots becoming west
in the afternoon. isolated showers. waves 1 to 3 feet building to
5 to 8 feet occasionally to 10 feet. 
.tonight...northwest winds 20 to 30 knots with a few gale force
gusts to 35 knots diminishing to 20 to 30 knots after midnight. 
waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.wednesday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.wednesday night...north winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.thursday...north winds 10 to 20 knots backing northwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.thursday night...northwest winds 10 to 20 knots becoming north
5 to 15 knots after midnight. waves calm to 2 feet. 
.friday...northwest winds 5 to 15 knots backing south. waves calm
to 2 feet. 
.saturday...east winds 5 to 15 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 221400
glfls 

lsz264-222100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am edt tue aug 22 2017

.rest of today...northwest winds 15 to 25 knots becoming west
20 to 30 knots in the afternoon, then diminishing to 15 to
25 knots late. isolated showers by mid afternoon. waves 1 to
3 feet building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...northwest winds 15 to 25 knots veering north after
midnight. isolated showers through midnight. waves building to
3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.wednesday night...north winds 5 to 15 knots backing northwest
after midnight. waves subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northwest less
than 10 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves calm to 2 feet. 
.friday...west winds less than 10 knots backing southeast. waves
calm to 2 feet. 
.saturday...southeast winds less than 10 knots increasing to 5 to
15 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 221400
glfls 

lsz265-222100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am edt tue aug 22 2017

.rest of today...northwest winds 20 to 30 knots becoming west
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet 
occasionally to 7 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. waves subsiding to 2 to 4 feet, then building to
3 to 6 feet occasionally to 8 feet. 
.wednesday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.wednesday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...north winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots backing west
after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.saturday...east winds 5 to 15 knots becoming southeast 10 to
20 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 221400
glfls 
346 

open lake forecast for lake superior
national weather service marquette mi
1000 am edt tue aug 22 2017

for waters beyond five nautical miles of shore on lake superior

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...low pressure of 29.7 inches over eastern lake 
superior will move to northern quebec today. 30.2 inch high 
pressure extending from manitoba to nebraska tonight will move 
over wisconsin thursday morning and remain over the great lakes 
through friday and into saturday.

lsz162-222100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am edt tue aug 22 2017 /900 am cdt tue aug 22 2017/

.rest of today...west winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. isolated showers by mid afternoon. waves 2 to 4 feet. 
.tonight...northwest winds 15 to 25 knots veering north late.
waves subsiding to 1 to 3 feet. 
.wednesday...north winds 10 to 20 knots becoming northwest 5 to
15 knots in the afternoon, then backing west late. waves
subsiding to calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots. waves calm to
2 feet. 
.friday...east winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 221400
glfls 

lsz263-222100-
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 tue aug 22 2017

.rest of today...west winds 15 to 25 knots. isolated showers by
mid afternoon. waves 2 to 4 feet building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.tonight...northwest winds 15 to 25 knots veering north after
midnight, then diminishing to 10 to 20 knots late. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.wednesday...north winds 10 to 20 knots backing northwest in the
afternoon, then becoming west 5 to 15 knots late. waves subsiding
to calm to 2 feet. 
.wednesday night...west winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots becoming northeast less
than 10 knots by mid afternoon. waves calm to 2 feet. 
.thursday night...southwest winds 5 to 15 knots becoming south
less than 10 knots after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering southeast. waves calm
to 2 feet. 
.saturday...southeast winds 5 to 15 knots. waves calm to 2 feet. 

$$
fzus63 kmqt 221400
glfls 

lsz266-222100-
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 tue aug 22 2017

.rest of today...northwest winds 20 to 30 knots becoming west
in the afternoon. isolated showers by mid afternoon. waves 2 to 4
feet building to 4 to 7 feet occasionally to 9 feet.
.tonight...northwest winds 20 to 30 knots. waves subsiding to
3 to 6 feet occasionally to 8 feet, then building to 4 to 7 feet
occasionally to 9 feet. 
.wednesday...northwest winds 20 to 30 knots. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.wednesday night...north winds 10 to 20 knots. waves subsiding to
1 to 3 feet. 
.thursday...north winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.friday...west winds 5 to 15 knots backing south. waves calm to
2 feet. 
.saturday...southeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

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