023  
FZPN03 KNHC 080919  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC WED NOV 8 2017  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  
 
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.  
 
SECURITE  
 
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE  
EQUATOR E OF 120W  
 
SYNOPSIS VALID 0600 UTC WED NOV 8.  
24 HOUR FORECAST VALID 0600 UTC THU NOV 9.  
48 HOUR FORECAST VALID 0600 UTC FRI NOV 10.  
 
.WARNINGS.  
   
..GALE WARNING
 
   
WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 14N95W
 
 
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.  
SEAS 8 TO 10 FT.  
.24 HOUR FORECAST LITTLE CHANGE.  
.36 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF A LINE FROM 16N95W  
TO 13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS  
20 TO 30 KT. SEAS 8 TO 12 FT.  
.42 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W  
TO 14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS  
30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM OF SAME  
LINE N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF  
AREA BOUNDED BY 12N94W TO 11N96W TO 11N99W TO 14N99W TO 16N95W  
TO 16N94W TO 12N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED  
NE AND S SWELL.  
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W  
TO 14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS  
30 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE  
OF A LINE FROM 16N95W TO 13.5N95.5W TO 12N96.5W N TO NE WINDS 20  
TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA BOUNDED BY 09N95W  
TO 07N98W TO 07N102W TO 12N102W TO 16N95W TO 15N93W TO  
09N95W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND S  
SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN AREA BOUNDED BY 03.4S96W TO 03.4S120W TO 00N126W TO  
10N120W TO 09N116W TO 03.4S96W WINDS 20 KT OR LESS. SEAS 8 TO 10  
FT IN MIXED SE AND SW SWELL.  
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 03.4S84W TO 03.4S120W  
TO 17N132W TO 18N127W TO 09N108W TO 07N93W TO 03.4S84W WINDS 20  
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL.  
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 12N124W TO 11N127W TO  
16N135W TO 22N128W TO 21N116W TO 12N124W WINDS 20 KT OR LESS.  
SEAS 8 TO 9 FT IN MIXED SWELL.  
 
.12 HOUR FORECAST COLD FRONT ENTERING FROM 30N138W TO 29.5N140W.  
W OF FRONT WINDS 20 KT OR LESS. SEAS TO 8 FT IN NW SWELL.  
.24 HOUR COLD FRONT FROM 30N133W TO 28N140W. W OF FRONT WINDS 20  
KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.  
.36 HOUR FORECAST STATIONARY FRONT FROM 30N130W TO 27N140W.  
WITHIN AREA BOUNDED BY 30N140W TO 30N126W TO 28N130W TO 26N140W  
TO 30N140W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW SWELL...  
HIGHEST NEAR 30N139W.  
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N130W TO  
27N136W. WITHIN AREA BOUNDED BY 22N130W TO 20N140W TO 30N140W  
TO 30N120W TO 22N130W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW  
SWELL...HIGHEST NEAR 28N134W.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0915 UTC WED NOV 8...  
   
LOW PRES NEAR 10N117W
 
SCATTERED MODERATE ISOLATED STRONG  
WITHIN 180 NM SW SEMICIRCLE.  
   
DISSIPATING STATIONARY FRONT FROM 30N122W TO 23N129W
 
SCATTERED  
MODERATE WITHIN AREA BOUNDED BY 30N123W TO 30N118W TO 26N123W TO  
28N125W TO 30N123W.  
   
TROUGH FROM 22N126W TO 13N131W
 
SCATTERED MODERATE ISOLATED  
STRONG FROM 13N TO 18N WITHIN 180 NM E OF TROUGH AXIS.  
 
.SCATTERED MODERATE TO STRONG FROM 04N TO 07N WITHIN 90 NM OF  
COAST OF COLOMBIA...INCLUDING APPROACH TO PANAMA CANAL.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH AXIS FROM 10N83W TO 08N105W TO LOW PRES NEAR  
10N117W TO LOW PRES NEAR 12N133W TO 08N140W. SCATTERED MODERATE  
ISOLATED STRONG FROM 06N TO 08N BETWEEN 80W AND 82W...FROM 07N  
TO 10N BETWEEN 93W AND 96W...FROM 07N TO 10N BETWEEN 98W AND  
101W...AND WITHIN 180 NM EITHER SIDE OF AXIS BETWEEN 121W AND  
129W.  
 

 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
 
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