000
FZPN03 KNHC 252119
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC SAT NOV 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT NOV 25.
24 HOUR FORECAST VALID 1800 UTC SUN NOV 26.
48 HOUR FORECAST VALID 1800 UTC MON NOV 27.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W N WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30 TO 35 
KT. SEAS BUILDING 9 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE 
OF LINE FROM 16N95W TO 15N95W TO 13.5N96W N WINDS 20 TO 30 KT. 
SEAS TO 9 FT.
.36 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95W TO 13N96W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 
30 TO 40 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 90 NM EITHER 
SIDE OF LINE FROM 16N95W TO 15N95W TO 12.5N97W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 45 NM EITHER SIDE OF LINE FROM 16N95W 
TO 13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 12 TO 15 FT. ELSEWHERE WITHIN 90 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 11N98W N TO NE WINDS 20 TO 30 KT. 
SEAS 9 TO 13 FT. REMAINDER AREA WITHIN 120 NM EITHER SIDE OF 
LINE 16N95W TO 13N96W TO 10N99W WINDS 20 KT OR LESS. SEAS 8 TOP 
10 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 31N133W TO 20N140W. N OF 28N W OF FRONT W TO NW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE NW OF FRONT WINDS 
20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.  
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N127W TO 24N132W 
TO  20N137W. W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
NW SWELL...EXCEPT 12 TO 15 FT NW OF LINE 30N136W TO 27N140W.  
.48 HOUR FORECAST DISSIPATING FRONT FROM 30N117W TO 16N140W. N 
OF 28N W OF FRONT TO 125W NW TO N WINDS 20 TO 25 KT. SEAS  8 TO 
11 FT IN NW SWELL. FROM 20N TO 23N W OF 135W NE WINDS 20 TO 25 
KT. SEAS 12 TO 14 FT IN NW SWELL. ELSEWHERE WITHIN AREA BOUNDED 
BY 30N117W TO 26N117W TO 11N140W TO 30N140W TO 30N117W WINDS 20 
KT OR LESS. SEAS 9 TO 15 FT IN NW SWELL...HIGHEST SEAS N OF 28N 
W OF 130W. 

.WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W TO 
10N88W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N88W...INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2115 UTC SAT NOV 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM FROM 09N84W TO 09N97W TO 
07N105W...WHERE IT TRANSITIONS TO THE ITCZ AND CONTINUES THROUGH 
08N120W TO 10N140W. SCATTERED MODERATE WITHIN 60 NM OF MONSOON 
TROUGH BETWEEN 94W AND 100W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 180 NM N OF ITCZ BETWEEN 118W AND 127W...AND WITHIN 60 NM 
OF THE ITCZ BETWEEN 111W AND 114W.  

$$
.FORECASTER COBB. NATIONAL HURRICANE CENTER.