000
FZPN03 KNHC 310354 CCA
HSFEP2

HIGH SEAS FORECAST...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN DEC 31 2017

CORRECTED TO INCLUDE GULF OF PAPAGAYO

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN DEC 31.
24 HOUR FORECAST VALID 0000 UTC MON JAN 01.
48 HOUR FORECAST VALID 0000 UTC TUE JAN 02.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N136W TO 25N136W TO 21N140W. N OF 27N BETWEEN 
133W AND 136W S TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE 
N OF 28N W OF 134W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
SE AND NW SWELL.
.18 HOUR FORECAST COLD FRONT FROM 30N132W TO 25N135W TO 20N137W.
NEW COLD FRONT FROM 30N138W TO 28N140W. NW OF LINE FROM 30N137W 
TO 28N140W NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N131W TO 25N134W 
TO 20N135W. SECOND COLD FRONT FROM 30N136W TO 26N140W. NW OF 
LINE FROM 30N135W TO 28N137W TO 26N140W NW WINDS 20 TO 30 KT. 
SEAS 8 TO 15 FT.
.27 HOUR FORECAST SURFACE TROUGH FROM 30N132W TO 25N134W TO 
20N135W. SECOND FRONT FROM 30N135W TO 27N136W TO 24N138W. N OF 
29N W OF 139W NW WINDS 30 TO 35 KT. SEAS 17 TO 20 FT. ELSEWHERE 
W OF LINE FROM 30N135W TO 27N137W TO 25N140W NW WINDS 20 TO 30 
KT. SEAS 8 TO 17 FT. 
.33 HOUR FORECAST SURFACE TROUGH FROM 30N132W TO 23N134W TO 
20N135W. SECOND FRONT FROM 30N137W TO 28N137W TO 24N136W. W OF 
LINE FROM 30N135W TO 27N137W TO 26N140W NW WINDS 20 TO 30 KT. 
SEAS 12 TO 22 FT. ELSEWHERE W OF LINE FROM 30N134W TO 26N136W TO 
23N140W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST SURFACE TROUGH DISSIPATED. COLD FRONT FROM LOW 
PRES NEAR 30N136W 1009 MB TO 26N134W TO 21N135W. N OF 26N W OF 
137W NW WINDS 20 TO 25 KT. SEAS 14 TO 15 FT. ELSEWHERE W OF LINE 
FROM 30N129W TO 24N133W TO 20N140W WINDS 20 KT OR LESS. SEAS 8 
TO 15 FT IN NW SWELL.

...GALE WARNING...
.N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.15 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.27 HOUR FORECAST N OF 15N BETWEEN 94W AND 95W...INCLUDING GULF 
OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 45 NM EITHER SIDE OF 
LINE FROM 16N95W TO 15N95W TO 13.5N96W N TO NE WINDS 20 TO 30 
KT. SEAS 9 TO 12 FT. REMAINDER OF AREA WITHIN 60 NM EITHER SIDE 
OF LINE FROM 16N95W TO 14.5N95.5W TO 13N96.5W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED SW AND SE SWELL.

.SYNOPSIS AND FORECAST.

.SURFACE TROUGH FROM 20N124W TO 17N126W TO 14N126W. WINDS 20 KT 
OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST SURFACE TROUGH FROM 23N127W TO 17N133W TO 
10N131W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST SURFACE TROUGH FROM 25N126W TO 19N131W TO 
11N131W. FROM 22N TO 24N BETWEEN 124W AND 125W SE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST SURFACE FROM 27N126W TO 20N128W TO 11N127W. 
WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

.09 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 11N86W 
TO 10.5N87W...INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.21 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF 11N E OF 87W...
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0200 UTC SUN DEC 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 09N83W TO 09N86W TO 06N96W. ITCZ CONTINUES 
FROM 06N96W TO 08N108W TO 09N120W...AND FROM 08N132W BEYOND 
09N140W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.