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 SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.        PZZ898-221045-  148 PM PST TUE FEB 21 2017      .SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A LOW PRES TROUGH  WILL MOVE S OF THE WATERS EARLY TONIGHT WHILE ANOTHER TROUGH  APPROACHES THE NW PORTION BY MORNING...THEN MOVING SE ACROSS THE  REGION WED INTO WED NIGHT. A WEAKENING LOW CENTER WILL TRACK  SE...REMAINING JUST W OF THE AREA THU BEFORE DISSIPATING THU  NIGHT. ANOTHER LOW CENTER WILL FORM OVER THE WASHINGTON WATERS  THU NIGHT...TRACKING S OVER THE WATERS FRI AND FRI NIGHT BEFORE  MERGING WITH A LOW S OF THE AREA SAT. A HIGH PRES RIDGE WILL  BUILD ACROSS THE WASHINGTON WATERS SAT INTO SAT NIGHT. A WEAK LOW  CENTER WILL MOVE S FROM VANCOUVER ISLAND INTO THE NE PORTION OF  THE WASHINGTON WATERS SUN. A LOW PRES TROUGH WILL PERSIST ALONG  THE WASHINGTON AND OREGON COASTS SUN AND SUN NIGHT.    $$
 SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.        PZZ905-221045-  CAPE SHOALWATER TO CAPE LOOKOUT BETWEEN 150 NM AND 250 NM  OFFSHORE-  148 PM PST TUE FEB 21 2017    TONIGHT  NW WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.  WED  NW WINDS 10 TO 20 KT. SEAS 7 TO 9 FT. SCATTERED SHOWERS.  WED NIGHT  N TO NW WINDS 15 TO 25 KT. SEAS 7 TO 9 FT. SCATTERED  SHOWERS.  THU  NW WINDS 15 TO 20 KT...BECOMING W TO NW 10 TO 15 KT. SEAS 7  TO 8 FT.  THU NIGHT  W WINDS 5 TO 15 KT...BECOMING VARIABLE. SEAS 6 TO 8 FT.  FRI  N TO NW WINDS 5 TO 15 KT. SEAS BUILDING TO 7 TO 10 FT.  FRI NIGHT  WINDS INCREASING TO E TO NE 20 TO 30 KT. SEAS 7 TO 10  FT.  SAT  NE WINDS DIMINISHING TO 10 TO 20 KT. SEAS 7 TO 9 FT.  SAT NIGHT  N TO NE WINDS 10 TO 15 KT...BECOMING NW. SEAS 7 TO 9  FT.  SUN  N TO NW WINDS INCREASING TO 15 TO 25 KT. SEAS 8 TO 10 FT.  SUN NIGHT  N WINDS 20 TO 30 KT. SEAS 7 TO 11 FT.    $$

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