000
FZPN03 KNHC 290148 CCA
HSFEP2

HIGH SEAS FORECAST...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 28 2017

CORRECTED ITCZ/MONSOON TROUGH SECTION

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU DEC 28.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 29.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 30.

.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 11 TO 13 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. 
.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 10 TO 15 FT. ELSEWHERE WITHIN 60 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. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 
94W AND 102W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND 
NE SWELL.
.45 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 60 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 12N97W NE WINDS 20 TO 30 KT. SEAS 
8 TO 10 FT. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 94W AND 
100W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE 
SWELL. 
.48 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 13N95.5W N TO NE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. REMAINDER OF AREA FROM 10N TO 13N BETWEEN 
94W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND 
NE SWELL. 

.SYNOPSIS AND FORECAST.

.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.

.TROUGH EXTENDS FROM LOW PRES NEAR 10N125.5W 1012 MB TO 14N124W 
TO 17N124W. FROM 15N TO 19N 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 TO 15N126W 
TO 17N125W. FROM 16N TO 19N BETWEEN 122W AND 127W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE FROM 14N TO 20N BETWEEN 
121W AND 133W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.48 HOUR FORECAST WEAKENING TROUGH FROM 10N130W TO 15N130W TO 
18N129W. FROM 15N TO 19N BETWEEN 121W AND 127W WINDS TO 8 FT 
IN DECAYING NW SWELL.

.42 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 ALONG 139W N OF 
26N. N OF 29N BETWEEN 136W AND 138W WINDS 20 KT OR LESS. SEAS 
8 FT IN NW SWELL.

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

CONVECTION VALID AT 2145 UTC THU DEC 28...

.SCATTERED MDOERATE WITHIN 30 NM OF 12N114W AND 13N115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...CORRECTED
A SURFACE TROUGH AXIS EXTENDS FROM A 1008 MB LOW AT 06N79W TO 
08N89W TO 05N100W TO 07N108W...WHERE IT TRANSITIONS TO THE 
INTERTROPICAL CONVERGENCE ZONE AND CONTINUES W TO 08N115W TO 
10N120W. IT RESUMES AT 10N131W TO BEYOND THE AREA AT 09N140W.
SCATTERED MODERATE FROM 08N TO 12N BETWEEN 116W AND 119W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.