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whus76 kmfr 252300
mwwmfr
032 

urgent - marine weather message
national weather service medford or
300 pm pst sun feb 25 2018

pzz350-356-370-376-261200-
/o.con.kmfr.sc.y.0023.000000t0000z-180228t0000z/
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-
300 pm pst sun feb 25 2018

...small craft advisory remains in effect until 4 pm pst
tuesday...

* winds...west to northwest 15 to 25 kt gusting to 30 kt through
  this evening. northwest winds of 10 to 20 kt will follow through
  monday night.

* seas...12 to 14 feet at a dominant period of 12 seconds with the
  combination of wind waves and a steep northwest swell. swell
  will continue to build to a peak of 14 to 17 feet at 13 seconds
  on monday. seas will then remain high and steep through tuesday
  afternoon.

* areas affected...winds will be strong across all of the waters
  into this evening then strongest south of cape blanco on monday.
  all areas will be affected by high and steep seas through
  tuesday. the next front will likely bring strong southerly 
  winds on wednesday. another round of building seas is likely 
  wednesday into thursday with northwest swell possibly 
  approaching a peak of 20 feet.

* view the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/hazard 

precautionary/preparedness actions...

a small craft advisory means that winds and seas will create a
potential hazard to smaller vessels and inexperienced mariners.

&&

$$
whus76 kpqr 252230
mwwpqr

pzz275-261130-
/o.con.kpqr.si.y.0028.000000t0000z-180226t1100z/
/o.con.kpqr.sw.y.0024.000000t0000z-180227t1400z/
waters from cascade head to florence or from 10 to 60 nm-
230 pm pst sun feb 25 2018

...small craft advisory for winds remains in effect until 3 am
pst monday...
...small craft advisory for hazardous seas remains in effect
until 6 am pst tuesday...

* winds...west to northwest 20 to 25 knots with gusts to 30 
  knots through this evening. wind decreasing to 15 to 20 knots 
  with gusts to 25 knots by midnight. 

* seas...around 13 feet building to the upper teens this evening.
  seas likely to remain above 13 ft through monday evening. 

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.

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.

&&

$$
whus76 kpqr 252230
mwwpqr

pzz210-261130-
/o.con.kpqr.rb.y.0030.000000t0000z-180226t1400z/
columbia river bar-
230 pm pst sun feb 25 2018

...small craft advisory for rough bar remains in effect until
6 am pst monday...

* in the main channel...

* general seas...12 feet, easing to 10 feet monday morning.
 
* first ebb...around 130 am monday. seas to near 13 feet. 

* second ebb...strong ebb around 145 pm monday. seas building to
  near 15 feet with breakers likely.
  
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.

&&

$$

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