000
FZPN03 KNHC 251541
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON DEC 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON DEC 25.
24 HOUR FORECAST VALID 1200 UTC TUE DEC 26.
48 HOUR FORECAST VALID 1200 UTC WED DEC 27.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 14.5N95.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 10 TO 14 
FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO 
13N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 
TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 
16N95W TO 15N95W TO 13N96.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 12 FT. REMAINDER OF AREA FROM 11N TO 13N BETWEEN 94W AND 102W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. 
.27 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 14N95.5W 
TO 13N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 13N BETWEEN 94W 
AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.42 HOUR FORECAST WITHIN 45 NM OF LINE FROM 16N95W TO 
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.STATIONARY TROUGH FROM 30N136W TO 24N140W. W OF LINE FROM 
30N129W TO 22N133W TO 15N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN MIXED SE AND NW SWELL.
.24 HOUR FORECAST WEAKENING TROUGH FROM 30N137W TO 25N140W. 
WITHIN AREA BOUNDED BY 22N140W TO 26N130W TO 21N123W TO 15N131W 
TO 09N140W TO 22N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NW AND E SWELL. W OF LINE FROM W OF FROM 30N137W TO 
26N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.  
.48 HOUR FORECAST TROUGH TO MOVE W OF AREA AND DISSIPATE. WITHIN 
AREA BOUNDED BY 30N136W TO 30N131W TO 22N128W TO 18N120W TO 
15N133W TO 15N140W 30N140W TO 30N136W  WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT PRIMARILY IN NW SWELL...HIGHEST NW.

.FROM 09N TO 11.5N E OF 91.5W...INCLUDING THE GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST FROM 09N TO 11.5N E OF 90W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1515 UTC MON DEC 25...

.LOW PRES NEAR 06N78W 1009 MB...SCATTERED MODERATE WITHIN 90 NM 
NW QUADRANT AND 60 NM SE QUADRANT OF LOW.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... SURFACE TROUGH 
EXTENDS FROM A 1009 MB LOW AT 06N78W TO 06N87W TO 06N96W. ITCZ 
CONTINUES FROM 06N96W TO 09N112W TO 09N122W TO 08N131W TO 
10N140W. SCATTERED MODERATE WITHIN 60 NM S OF AXIS BETWEEN 103W 
AND 105W AND BETWEEN 118W AND 122W. SIMILAR ACTIVITY IS WITHIN 
30 NM S OF AXIS BETWEEN 110W AND 113W. 

$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.