000
FZPN03 KNHC 160922
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC MON OCT 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON OCT 16.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 17.
48 HOUR FORECAST VALID 0600 UTC WED OCT 18.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 15N95W TO 14N96W... 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 10 FT.
.06 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
14N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 9 TO 12 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 10 FT. 
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
13.5N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 
16N95W TO 15N95W TO 13.5N96W TO 12N97W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT. REMAINDER OF THE AREA FROM 10N TO 14N 
BETWEEN 94W AND 100W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
13N96W...INCLUDING 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 13N96W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 12 FT. REMAINDER OF THE AREA FROM 08N TO 12N BETWEEN 94W AND 
101W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW 
SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 19N122W 1006 MB. WITHIN 210 NM NE SEMICIRCLE OF 
LOW WINDS 20 TO 25 KT.  SEAS 8 TO 11 FT. ELSEWHERE S OF LINE 
FROM 00N130W TO 10N137W TO 17N136W TO 22N120W TO 20N115W TO 
03.4S93W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT ORIMARILY IN SW 
SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
20N125W 1008 MB. WITHIN 180 NM NE QUADRANT WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. FROM 16N TO 25N BETWEEN 120W AND 127W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. FROM 00N TO 13N 
BETWEEN 102W AND 115W...AND S OF 07N BETWEEN 115W AND 135W WINDS 
20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATED. TROUGH FROM 24N127W TO 
20N128W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. S OF 05N W OF 
130W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL. 

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

CONVECTION VALID AT 0900 UTC MON OCT 16...

.LOW PRES NEAR 19N122W 1006MB. NUMEROUS MODERATE FROM 18N TO 21N 
BETWEEN 120W AND 122W.   

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS ACROSS PARTS OF PANAMA AND COSTA RICA 
AND CONTINUES FROM 10N86W TO 09N90W TO 09N100W. THE ITCZ EXTENDS 
FROM 09N100W TO 07N110W TO 10N116W...THEN RESUMES AT 12N124W TO 
A LOW PRESSURE NEAR 12N133W TO 09N140W. SCATTERED MODERATE IS 
FROM 09N TO 11N BETWEEN 102W AND 107W...AND FROM 11N TO 13N 
BETWEEN 130W AND 135W.

$$

.FORECASTER GR. NATIONAL HURRICANE CENTER.