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whus76 kmfr 271045
mwwmfr
793 

urgent - marine weather message
national weather service medford or
245 am pst mon feb 27 2017

...hazardous seas warning through 10 am pst monday...

.west swell and fresh northwest swell will combine to make very 
steep seas through this morning and steep seas this afternoon 
into tuesday morning.

pzz350-356-370-376-272345-
/o.ext.kmfr.se.w.0016.000000t0000z-170227t1800z/
/o.ext.kmfr.sw.y.0018.170227t1800z-170228t1800z/
coastal waters from florence to cape blanco or out 10 nm-
coastal waters from cape blanco or to pt. st. george ca out 10 nm-
waters from florence to cape blanco or from 10 to 60 nm-
waters from cape blanco or to pt. st. george ca from 10 to 60 nm-
245 am pst mon feb 27 2017

...hazardous seas warning now in effect until 10 am pst this
   morning...
...small craft advisory for hazardous seas now in effect from
   10 am this morning to 10 am pst tuesday...

* seas...fresh northwest swell with a period of 10 seconds is
  combining with west swell at 14 to 15 seconds to create very
  steep seas 10 to 14 feet over the area. the fresh swell will
  subside today into tuesday...and combined seas will become steep
  and subside to 10 to 12 feet by this afternoon. seas will
  continue to subside...down to 8 feet by tuesday afternoon.

* areas affected...all areas.

* view the hazard area in detail at 
  http://weather.gov/medford/hazard 

precautionary/preparedness actions...

a hazardous seas warning means very steep and hazardous sea
conditions are imminent or occurring. recreational boaters should
remain in port, or take shelter until waves subside.  commercial
vessels should prepare for rough seas and consider remaining in
port or taking shelter in port until hazardous seas subside.

a small craft advisory for hazardous seas means that waves will
be steep enough to create a potential hazard to smaller vessels
and inexperienced mariners.

&&

$$
whus76 kmfr 260045
mwwmfr

pzz356-261345-
/o.ext.kmfr.sw.y.0018.170226t2100z-170228t1200z/
coastal waters from cape blanco or to pt. st. george ca out 10 nm-
445 pm pst sat feb 25 2017

...small craft advisory for hazardous seas now in effect from
1 pm sunday to 4 am pst tuesday...

* seas...wind waves and fresh swell will become dominant resulting
  in steep 9 to 11 foot seas through tuesday morning.

* areas affected...all areas. 

* view the hazard area in detail at 
  http://weather.gov/medford/hazard 

precautionary/preparedness actions...

a small craft advisory for hazardous seas means that waves will
be steep enough to create a potential hazard to smaller vessels
and inexperienced mariners.

&&

$$
whus76 kpqr 271642
mwwpqr
754 

urgent - marine weather message
national weather service portland or
842 am pst mon feb 27 2017

pzz210-280045-
/o.ext.kpqr.rb.y.0037.170227t2200z-170228t0400z/
/o.new.kpqr.rb.y.0038.170228t1100z-170228t1600z/
columbia river bar-
842 am pst mon feb 27 2017

...small craft advisory for rough columbia river bar now in 
effect from 2 pm this afternoon to 8 pm pst this evening...

...small craft advisory for rough columbia river bar in effect 
from 3 am to 8 am pst tuesday...

the national weather service in portland has issued another small
craft advisory for rough bar, which is in effect from 3 am to 8 
am pst tuesday. 

* in the main channel...

* general seas...combined seas 10 ft today and 8 to 9 ft tonight. 

* first ebb...near 12 ft with breakers during the strong ebb
  around 515 pm late this afternoon and evening.

* second ebb...near 11 ft with breakers during the moderate ebb
  around 545 am early tuesday morning.


precautionary/preparedness actions...

a small craft advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near harbor
entrances.

&&

$$
whus76 kpqr 271642
mwwpqr

pzz250-255-280045-
/o.ext.kpqr.sw.y.0016.000000t0000z-170228t0300z/
coastal waters from cape shoalwater wa to cascade head or out
10 nm-coastal waters from cascade head to florence or out 10 nm-
842 am pst mon feb 27 2017

...small craft advisory for hazardous seas now in effect until
7 pm pst this evening...

* seas...swell out of the west to northwest will keep seas around
  10 to 12 ft today. seas are expected to drop below 10 ft late
  this evening.

precautionary/preparedness actions...

a small craft advisory for hazardous seas means that waves are
expected to be hazardous to small craft. mariners should avoid
shoaling areas. long period swell can sharpen into large breaking
waves in shoaling areas. it is not unusual for waves to break
much farther from shoaling areas than is normally experienced.
remember...breaking waves can easily capsize even larger vessels.

&&

$$

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