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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.        AMZ101-230915-  SYNOPSIS FOR THE SW N ATLANTIC INCLUDING THE BAHAMAS  409 PM EST SUN JAN 22 2017      .SYNOPSIS...WEAK HIGH PRES NEAR 25N65W WILL CONTINUE TO SHIFT E-NE  AS A STRONG COLD FRONT APPROACHES THE BASIN FROM THE W. THE FRONT  WILL MOVE INTO NW WATERS TONIGHT THEN REACH FROM 31N75W TO CENTRAL  CUBA EARLY MON...THEN FROM 31N68W TO THE WINDWARD PASSAGE EARLY  TUE...THEN ACROSS THE NE CARIBBEAN AND ADJACENT ATLC WED. THE  FRONT WILL BE ACCOMPANIED BY A LARGE AREA OF GALE FORCE WINDS BOTH  E AND W OF THE FRONT N OF 23N. HIGH PRES WILL BUILD BACK ACROSS  THE AREA WED...SHIFTING E THU AS THE NEXT COLD FRONT MOVES OFF THE  NE FLORIDA COAST LATE THU.    $$
 SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE  HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.        AMZ123-230915-  ATLANTIC S OF 22N W OF 70W INCLUDING APPROACHES TO THE WINDWARD  PASSAGE-  409 PM EST SUN JAN 22 2017    TONIGHT  SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  MON  S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.  MON NIGHT  SW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.  TUE  W TO NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. SCATTERED  SHOWERS.  TUE NIGHT  NW TO N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.  WED  NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN NW SWELL.  WED NIGHT  E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  THU  E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  THU NIGHT  E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  FRI  E WINDS 5 TO 10 KT. SEAS 3 TO 4 FT IN THE MORNING...  BECOMING 2 FT OR LESS.  FRI NIGHT  NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    $$

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