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whus76 kpqr 121020
mwwpqr

pzz210-130015-
/o.con.kpqr.sc.y.0084.000000t0000z-191213t1100z/
columbia river bar-
220 am pst thu dec 12 2019

...small craft advisory remains in effect until 3 am pst friday...


* what...rough bar conditions expected.

     - general seas...12 to 14 ft early this morning increasing 
       to 17 to 19 ft thursday where seas will linger through 
       thursday night.
 
     - first ebb...around 430 am thursday. seas near 16 ft with
         breakers. 

     - second ebb...very strong. around 445 pm thursday. seas near
         20 ft with breakers.

     - third ebb...around 515 am friday. seas near 20 ft with
         breakers. 

* where...in the main channel of the columbia river bar.

* when...until 3 am pst friday.

* impacts...conditions will be hazardous to small craft 
  especially when navigating in or near harbor entrances.




precautionary/preparedness actions...

small craft should use extreme caution when navigating in or near
harbor entrances.

&&

$$
whus76 ksew 121630
mwwsew
490 

urgent - marine weather message
national weather service seattle wa
830 am pst thu dec 12 2019

pzz130-130030-
/o.ext.ksew.sc.y.0241.000000t0000z-191214t1800z/
west entrance u.s. waters strait of juan de fuca-
830 am pst thu dec 12 2019

...small craft advisory now in effect until 10 am pst saturday...

* what...south winds 15 to 25 kt through this morning. seas 13 
  to 15 feet building to near 17 feet through the day. seas will 
  remain above 10 feet through saturday morning.

* where...west entrance u.s. waters strait of juan de fuca.

* when...until 10 am pst saturday.

* impacts...conditions will be hazardous to small craft.

precautionary/preparedness actions...

a small craft advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

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