000
FZPN03 KNHC 290340
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI DEC 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 29.
24 HOUR FORECAST VALID 0000 UTC SAT DEC 30.
48 HOUR FORECAST VALID 0000 UTC SUN DEC 31.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W TO 
14N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 
KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF LINE 
FROM 16N95W TO 15N95W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 95W AND 
100W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED NE AND NW SWELL.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 14N96W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 94W 
AND 101W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW 
SWELL.
.39 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 
30 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 13N96W N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 94W 
AND 99W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW 
SWELL. 
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS TO 8 FT.

.SYNOPSIS AND FORECAST.

.TROUGH EXTENDS FROM LOW PRES NEAR 10N126W 1012 MB TO 14N126W TO 
18N124W. FROM 15N TO 18N BETWEEN 121W AND 127W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 14N TO 22N BETWEEN 121W 
AND 134W AND FROM 14N TO 19N W OF 134W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST TROUGH FROM LOW PRES NEAR 11N128W 1013 MB TO 
15N127W TO 17N126W. FROM 14N TO 19N BETWEEN 121W AND 128W WINDS 
20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING TROUGH FROM 10N131W TO 15N131W TO 
18N130W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 60 NM EITHER SIDE OF LINE FROM 11N86W TO 10N87.5W... 
INCLUDING GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10N87.5W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.36 HOUR FORECAST COLD FRONT W OF AREA. FROM 29N TO 30N BETWEEN 
135W AND 140W S WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR HOUR FORECAST WEAKENING COLD FRONT FROM 30N138W TO 
23N140W. N OF 29N BETWEEN 136W AND 138W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN DECAYING NW SWELL.

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

CONVECTION VALID AT 0300 UTC FRI DEC 29...

.SCATTERED MODERATE WITHIN 30 NM OF 12N115W AND 15N123W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH AXIS EXTENDS FROM A 1008 MB LOW AT 05N79W TO 
07N90W TO 05N100W TO 06N107W...WHERE IT TRANSITIONS TO THE ITCZ 
AND CONTINUES TO 09N111W TO 09N120W. IT RESUMES AT 09N130W TO 
BEYOND THE AREA AT 09N140W. SCATTERED MODERATE FROM 08N TO 11N 
BETWEEN 114W AND 119W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.