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Real-Time Data
Human Forecasts - Daily Briefing
Watches/Warnings 
Other Resources 
Computer Forecasts
whus73 kdtx 231054
mwwdtx
lhz362-363-232100-
/o.con.kdtx.mf.y.0002.000000t0000z-140823t2100z/
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-
654 am edt sat aug 23 2014
...dense fog advisory remains in effect until 5 pm edt this
afternoon...
a dense fog advisory remains in effect until 5 pm edt this
afternoon.
* expect dense fog with visibilities of one quarter of a mile or
less until 5 pm edt this afternoon.
refer to the latest marine forecasts for greater detail.
precautionary/preparedness actions...
a dense fog advisory means visibilities will frequently be
reduced to less than one mile. inexperienced mariners...
especially those operating smaller vessels should avoid
navigating in these conditions.
&&
$$
whus76 keka 230949
mwweka
pzz470-475-231800-
/o.ext.keka.sc.y.0063.000000t0000z-140826t0400z/
pt st george to cape mendocino 10 to 60 nm-
cape mendocino to pt arena 10 to 60 nm-
249 am pdt sat aug 23 2014
...small craft advisory now in effect until 9 pm pdt monday...
the small craft advisory is now in effect until 9 pm pdt monday.
* winds...n 15 to 25 kt through monday. local gusts to 35 kt.
* waves...nw to n 8 to 11 ft at 8 to 9 seconds through monday.
precautionary/preparedness actions...
a small craft advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
inexperienced mariners...especially those operating smaller
vessels should avoid navigating in these conditions.
&&
$$
whus73 kgrb 231412
mwwgrb
771
urgent - marine weather message
national weather service green bay wi
912 am cdt sat aug 23 2014
...dense fog over near shore waters of lake michigan...
lmz541>543-232000-
/o.ext.kgrb.mf.y.0012.000000t0000z-140823t2000z/
lake michigan from rock island passage to sturgeon bay wi-
lake michigan from sturgeon bay wi to two rivers wi-
lake michigan from two rivers wi to sheboygan wi-
912 am cdt sat aug 23 2014
...dense fog advisory now in effect until 3 pm cdt this
afternoon...
* visibility...one mile or less
precautionary/preparedness actions...
a dense fog advisory means visibilities will frequently be
reduced to less than one mile. fog in some areas could reduce
visibility significantly below one mile at times. inexperienced
mariners... especially those operating smaller vessels should
avoid navigating in these conditions.
&&
$$
whus73 klot 231410
mwwlot
771
urgent - marine weather message
national weather service chicago il
910 am cdt sat aug 23 2014
lmz740>743-232000-
/o.new.klot.mf.y.0011.140823t1410z-140823t2000z/
winthrop harbor to wilmette harbor-
wilmette harbor to northerly island-
northerly island to calumet harbor-calumet harbor to gary-
910 am cdt sat aug 23 2014
...dense fog advisory in effect until 3 pm cdt this afternoon...
the national weather service in chicago has issued a dense fog
advisory...which is in effect until 3 pm cdt this afternoon.
* visibility...less than a quarter mile.
precautionary/preparedness actions...
a dense fog advisory means visibilities will frequently be
reduced to less than one quarter mile. inexperienced mariners...
especially those operating smaller vessels should avoid
navigating in these conditions.
&&
$$
whus76 kmfr 230255
mwwmfr
297
urgent - marine weather message
national weather service medford or
755 pm pdt fri aug 22 2014
pzz356-231600-
/o.new.kmfr.si.y.0096.140823t0255z-140823t0600z/
/o.con.kmfr.sw.y.0093.000000t0000z-140826t2200z/
/o.con.kmfr.si.y.0094.140823t2100z-140824t1200z/
/o.con.kmfr.se.a.0029.140823t2100z-140826t2200z/
coastal waters from cape blanco or to pt. st. george ca out 10 nm-
755 pm pdt fri aug 22 2014
...small craft advisory for winds in effect until 11 pm pdt this
evening...
...small craft advisory for hazardous seas remains in effect
until 3 pm pdt tuesday...
...hazardous seas watch remains in effect from saturday afternoon
through tuesday afternoon...
the national weather service in medford has issued a small craft
advisory for winds...which is in effect until 11 pm pdt this
evening. a small craft advisory for hazardous seas remains in
effect until 3 pm pdt tuesday. a hazardous seas watch remains in
effect from saturday afternoon through tuesday afternoon.
* winds: north 20 to 25 kt with gusts to 35 kt until late this
evening. winds will increase again saturday afternoon.
* seas: steep wind driven seas of 6 to 8 feet at 7 seconds...
building to 8 to 9 feet saturday afternoon.
* areas affected and timing: small craft advisory winds are
expected beyond 5 nm from shore beginning saturday
afternoon. small craft advisory seas is impacting areas
beyond 5 nm from shore now through saturday morning...then
spread to all areas saturday afternoon. seas are expected to
become steeper and more hazardous beyond 5 nm from shore
south of gold beach beginning saturday afternoon.
* view the hazard area in detail at http://go.usa.gov/z67h
precautionary/preparedness actions...
small craft conditions for wind means that wind speeds of 23 to
33 knots are expected. inexperienced mariners...especially those
operating smaller vessels should avoid navigating in these
conditions.
a small craft advisory for hazardous seas means that waves will
be steep enough to create a potential hazard to small craft.
a hazardous seas watch is issued when the risk of hazardous seas
has significantly increased...but the specific timing and/or
location is still uncertain. it is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.
&&
$$
whus76 kmfr 222156
mwwmfr
785
urgent - marine weather message
national weather service medford or
256 pm pdt fri aug 22 2014
pzz376-231100-
/o.new.kmfr.si.y.0095.140822t2156z-140822t2200z/
/o.ext.kmfr.sw.y.0093.000000t0000z-140826t2200z/
/o.con.kmfr.si.y.0094.140823t0000z-140827t0600z/
/o.ext.kmfr.se.a.0029.140823t2100z-140826t2200z/
waters from cape blanco or to pt. st. george ca from 10 to 60 nm-
256 pm pdt fri aug 22 2014
...small craft advisory for winds in effect until 11 pm pdt
tuesday...
...small craft advisory for hazardous seas now in effect until 3
pm pdt tuesday...
...hazardous seas watch now in effect from saturday afternoon
through tuesday afternoon...
the national weather service in medford has issued a small craft
advisory for winds...which is in effect until 11 pm pdt this
evening. the small craft advisory for hazardous seas is now in
effect until 3 pm pdt tuesday. the hazardous seas watch is now in
effect from saturday afternoon through tuesday afternoon.
* winds: north 20 to 30 kt with gusts to 40 kt.
* seas: steep wind driven seas of 7 to 9 feet at 7 seconds...
increasing to 8 to 10 feet saturday afternoon.
* areas affected and timing: small craft advisory winds and
seas will impact all areas...with very steep and hazardous
seas possible south of port orford beginning saturday
afternoon.
* view the hazard area in detail at http://go.usa.gov/z67h
precautionary/preparedness actions...
small craft conditions for wind means that wind speeds of 23 to
33 knots are expected. inexperienced mariners...especially those
operating smaller vessels should avoid navigating in these
conditions.
a small craft advisory for hazardous seas means that waves will
be steep enough to create a potential hazard to small craft.
a hazardous seas watch is issued when the risk of hazardous seas
has significantly increased...but the specific timing and/or
location is still uncertain. it is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.
&&
$$
whus76 kmfr 231002
mwwmfr
pzz350-370-232315-
/o.ext.kmfr.sw.y.0093.000000t0000z-140827t1800z/
/o.ext.kmfr.si.y.0094.140823t2100z-140827t0600z/
coastal waters from florence to cape blanco or out 10 nm-
waters from florence to cape blanco or from 10 to 60 nm-
302 am pdt sat aug 23 2014
...small craft advisory for hazardous seas now in effect until
11 am pdt wednesday...
...small craft advisory for winds now in effect from 2 pm this
afternoon to 11 pm pdt tuesday...
the small craft advisory for hazardous seas is now in effect
until 11 am pdt wednesday. the small craft advisory for winds is
now in effect from 2 pm this afternoon to 11 pm pdt tuesday.
* winds: north 20 to 25 kt with gusts to 35 kt beginning saturday
afternoon. winds will weaken briefly sunday evening...but
re-intensify monday.
* seas: choppy wind driven seas of 6 to 8 feet at 7 seconds.
* areas affected and timing: small craft advisory winds are
expected beyond 15 nm from shore south of cape arago...but will
approach to within 5 nm from shore in the vicinity of cape
blanco. small craft advisory seas will impact all areas beyond
5 nm from shore through this morning...then spread to all areas
by this afternoon.
* view the hazard area in detail at http://go.usa.gov/z67h
precautionary/preparedness actions...
small craft conditions for wind means that wind speeds of 23 to
33 knots are expected. inexperienced mariners...especially those
operating smaller vessels should avoid navigating in these
conditions.
a small craft advisory for hazardous seas means that waves will
be steep enough to create a potential hazard to small craft.
&&
$$
whus72 kmhx 230907
mwwmhx
amz156-158-232200-
/o.new.kmhx.sc.y.0077.140824t2100z-140826t1200z/
s of ocracoke inlet to cape lookout nc out 20 nm-
s of cape lookout to n of surf city nc out 20 nm-
507 am edt sat aug 23 2014
...small craft advisory in effect from 5 pm sunday to 8 am edt
tuesday...
the national weather service in newport/morehead city has issued
a small craft advisory...which is in effect from 5 pm sunday to
8 am edt tuesday.
* winds...northeast 15 to 20 kt with gusts up to 25 kt.
* seas...4 to 6 feet.
precautionary/preparedness actions...
a small craft advisory means that wind speeds of 25 to 33 knots
and/or seas of 6 ft or greater are expected to produce hazardous
conditions to small craft. inexperienced mariners...especially
those operating smaller vessels should avoid navigating in these
conditions.
&&
$$
whus73 kmkx 231431
mwwmkx
298
urgent - marine weather message
national weather service milwaukee/sullivan wi
931 am cdt sat aug 23 2014
...dense fog persisting over lake michigan...
.a very moist air mass and light winds over the relatively cooler
waters of lake michigan has led to continued dense fog over the
southeast wisconsin nearshore waters of lake michigan. reduced
visibilities are now expected to continue into the afternoon.
there may be another round of dense fog later tonight.
lmz643>646-232000-
/o.ext.kmkx.mf.y.0014.000000t0000z-140823t2000z/
sheboygan to port washington wi-
port washington to north point light wi-
north point light to wind point wi-
wind point wi to winthrop harbor il-
931 am cdt sat aug 23 2014
...dense fog advisory now in effect until 3 pm cdt this
afternoon...
the dense fog advisory is now in effect until 3 pm cdt this
afternoon.
* timing...areas of dense fog into the afternoon.
* visibility: one mile or much less.
precautionary/preparedness actions...
a dense fog advisory means visibilities will frequently be
reduced to less than one mile. inexperienced mariners...
especially those operating smaller vessels should avoid
navigating in these conditions.
&&
$$
whus73 kmqt 231340
mwwmqt
730
urgent - marine weather message
national weather service marquette mi
940 am edt sat aug 23 2014
lsz243>245-264>266-232100-
/o.new.kmqt.mf.y.0017.140823t1340z-140823t2100z/
upper entrance of portage canal to eagle river mi-
eagle river to manitou island mi-
manitou island to point isabelle mi-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
940 am edt sat aug 23 2014
...dense fog advisory in effect until 5 pm edt this afternoon...
the national weather service in marquette has issued a dense fog
advisory...which is in effect until 5 pm edt this afternoon.
please see the latest marine forecasts for more detailed
information.
precautionary/preparedness actions...
a dense fog advisory means visibilities will frequently be
reduced to less than one mile. inexperienced mariners...
especially those operating smaller vessels should avoid
navigating in these conditions.
&&
$$
whus76 kmtr 231520
mwwmtr
972
urgent - marine weather message
national weather service san francisco bay area
820 am pdt sat aug 23 2014
pzz530-232330-
/o.con.kmtr.sc.y.0141.140823t2100z-140824t0600z/
san pablo bay suisun bay the west delta and san francisco bay
north of the bay bridge-
820 am pdt sat aug 23 2014
...small craft advisory remains in effect from 2 pm this
afternoon to 11 pm pdt this evening...
* winds: sw winds 5 to 15 kt increasing to 15 to 25 kt in the
afternoon....decreasing to 5 to 15 kt later this evening
precautionary/preparedness actions...
a small craft advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
inexperienced mariners... especially those operating smaller
vessels should avoid navigating in these conditions.
&&
$$
whus71 kphi 230729
mwwphi
anz452>455-232100-
/o.con.kphi.sc.y.0073.140823t1600z-140824t1200z/
coastal waters from little egg inlet to great egg inlet nj out
20 nm-
coastal waters from great egg inlet to cape may nj out 20 nm-
coastal waters from cape may nj to cape henlopen de out 20 nm-
coastal waters from cape henlopen to fenwick island de out 20 nm-
329 am edt sat aug 23 2014
...small craft advisory remains in effect from noon today to 8 am
edt sunday...
* winds...northeast 10 to 15 kt with gusts up to 25 kt.
* seas...3 to 5 feet.
* observations to the nws...for those interested in sending real
time marine reports please use... www.weather.gov/phi/marobsform
precautionary/preparedness actions...
a small craft advisory means that wind speeds of 25 to 33 knots
and/or seas of 5 feet or greater are anticipated. winds and seas
within these ranges are expected to produce hazardous conditions
for small craft. inexperienced mariners...especially those
operating smaller vessels should avoid navigating in these
conditions.
&&
$$
whus76 kpqr 230939
mwwpqr
889
urgent - marine weather message
national weather service portland or
239 am pdt sat aug 23 2014
pzz255-275-231745-
/o.con.kpqr.si.y.0100.140823t2100z-140824t1000z/
coastal waters from cascade head to florence or out 10 nm-
waters from cascade head to florence or from 10 to 60 nm-
239 am pdt sat aug 23 2014
...small craft advisory for winds remains in effect from 2 pm
this afternoon to 3 am pdt sunday...
a small craft advisory for winds remains in effect from 2 pm this
afternoon to 3 am pdt sunday.
* winds: winds will increase saturday afternoon to 15 to 20 kt
with gusts of 25 to 30 kt. expect wind gusts to subside below
25 kt late saturday night.
precautionary/preparedness actions...
a small craft advisory for wind means that wind speeds of 21 to
33 knots are expected. inexperienced mariners...especially those
operating smaller vessels should avoid navigating in these
conditions.
&&
$$
whus76 ksew 230944
mwwsew
603
urgent - marine weather message
national weather service seattle wa
244 am pdt sat aug 23 2014
pzz131-132-231745-
/o.can.ksew.sc.y.0197.000000t0000z-140823t1200z/
/o.new.ksew.sc.y.0198.140824t0100z-140824t0900z/
central u.s. waters strait of juan de fuca-
east entrance u.s. waters strait of juan de fuca-
244 am pdt sat aug 23 2014
...small craft advisory in effect from 6 pm this evening to 2 am
pdt sunday...
...small craft advisory is cancelled...
* wind and waves...west winds 15 to 25 knots tonight. wind waves 2 to 4
feet.
precautionary/preparedness actions...
a small craft advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
inexperienced mariners...especially those operating smaller
vessels should...avoid navigating in these conditions.
&&
$$
whhw70 phfo 231330
mwwhfo
724
urgent - marine weather message
national weather service honolulu hi
330 am hst sat aug 23 2014
phz119>121-124-231430-
/o.can.phfo.sc.y.0036.000000t0000z-140823t1600z/
maalaea bay-pailolo channel-alenuihaha channel-
big island southeast waters-
330 am hst sat aug 23 2014
...small craft advisory is cancelled...
the national weather service in honolulu has cancelled the small
craft advisory.
winds and seas have decreased. the small craft advisory is no
longer needed.
$$
whca72 tjsj 231425
mwwsju
062
urgent - marine weather message
national weather service san juan pr
1025 am ast sat aug 23 2014
...hazardous marine conditions will continue through today...
.marine conditions will improve rapidly tonight.
amz710-232200-
/o.con.tjsj.sc.y.0017.000000t0000z-140823t2200z/
atlc waters of puerto rico and usvi from 10nm to 19.5n-
1025 am ast sat aug 23 2014
...small craft advisory remains in effect until 6 pm ast this
evening...
* winds...up to 20 knots with higher gusts.
* waves/seas...up to 7 feet...locally higher near thunderstorms.
precautionary/preparedness actions...
a small craft advisory means that winds of 22 to 33 knots and/or
seas of 7 feet and greater are expected to produce hazardous
marine conditions for small craft. inexperienced mariners...
especially those operating smaller vessels...should avoid
navigating in these conditions.
&&
$$

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