877  
FZPN03 KNHC 100336  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC FRI NOV 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0000 UTC FRI NOV 10.  
24 HOUR FORECAST VALID 0000 UTC SAT NOV 11.  
48 HOUR FORECAST VALID 0000 UTC SUN NOV 12.  
 
.WARNINGS.  
   
..GALE WARNING
 
 
.WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W TO 15N95W TO  
13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30  
TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE  
OF LINE FROM 16N95W TO 15N95W TO 13N97W N TO NE WINDS 20 TO 30  
KT. SEAS 8 TO 11 FT. REMAINDER WATERS FROM 10.5N TO 13N BETWEEN  
94W AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND  
SW SWELL.  
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W  
TO 15N95.5W TO 14N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO  
NE WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 60 NM  
EITHER SIDE OF LINE FROM 16N95W TO 15N95W TO 14N96W N TO NE  
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. REMAINDER OF WATERS FROM 09N  
TO 13N BETWEEN 93W AND 101W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT  
IN MIXED NE AND SW SWELL.  
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF A LINE FROM 16N95W  
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25  
TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF  
A LINE FROM 16N95W TO 15N95W TO 12N97.5W N TO NE WINDS 20 TO 30  
KT. SEAS 8 TO 10 FT. REMAINDER WATERS FROM 09N TO 13N BETWEEN  
94W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND  
SW SWELL.  
 
.SYNOPSIS AND FORECAST.  
 
.DISSIPATING STATIONARY FRONT FROM 30N129W TO 27N140W. NW OF  
FRONT WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL...EXCEPT  
10 TO 13 FT N OF 29N. N OF 29N E OF FRONT TO A LINE FROM 30N128W  
TO 29N131W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.  
.06 HOUR FORECAST WEAKENING COLD FRONT FROM 30N128W TO 27N135W.  
NW OF A LINE FROM 30N122W TO 25N130W TO 24N140W WINDS 20 KT OR  
LESS. SEAS 8 TO 12 FT IN NW SWELL.  
.24 HOUR FORECAST FRONT DISSIPATED. FROM 30N127W TO 26N133W.  
WITHIN AREA BOUNDED BY 30N138W TO 30N116W TO 23N116W TO 17N123W  
TO 12N128W TO 14N140W TO 30N138W WINDS 20 KT OR LESS. SEAS 8 TO  
10 FT IN NW TO N SWELL.  
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 30N138W TO 30N116W TO  
22N116W TO 18N124W TO 12N127W TO 13N140W TO 30N138W WINDS 20 KT  
OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.  
 
.FROM 05N TO 08N BETWEEN 94W AND 98W AND FROM 06N TO 08N BETWEEN  
105W AND 111W WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN SW  
SWELL. FROM 12N TO 17N BETWEEN 125W AND 132W WINDS 20 KT OR  
LESS. SEAS 8 FT IN MIXED SW AND NW SWELL.  
.24 HOUR FORECAST CONDITIONS AS DESCRIBED IN ABOVE PARAGRAPH.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0300 UTC FRI NOV 10...  
 
.SCATTERED MODERATE WITHIN 30 NM OF 21N137W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 08N92W TO 10N103W  
TO 08N114W TO LOW PRES NEAR 10N125W 1008 MB TO 10N128W. ITCZ  
FROM 10N128W TO BEYOND 09N140W. SCATTERED MODERATE ISOLATED  
STRONG WITHIN 180 NM S OF AXIS BETWEEN 83W AND 85W AND WITHIN 30  
NM OF AXIS BETWEEN 122W AND 125W. SCATTERED MODERATE WITHIN 60  
NM N OF AXIS BETWEEN 130W AND 133W.  
 

 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.  
 
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