000
FZPN03 KNHC 160240
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON OCT 16.
24 HOUR FORECAST VALID 0000 UTC TUE OCT 17.
48 HOUR FORECAST VALID 0000 UTC WED OCT 18.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W...INCLUDING GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
14N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 
KT. SEAS 9 TO 12 FT. WITHIN 45 NM OF LINE FROM 16N95W TO 
15N95W TO 13N96W 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 
14N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 
KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W 
TO 14N95W TO 13.5N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. REMAINDER OF THE AREA FROM 11N TO 16N BETWEEN 94W AND 100W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W
...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT. 
SEAS 10 TO 13 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. 
REMAINDER OF THE AREA FROM 09N TO 16N BETWEEN 94W AND 101W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 19N121W 1006 MB. FROM 17N TO 19N BETWEEN 116W AND 
120W SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 10N 
TO 21N BETWEEN 113W AND 124W WINDS 20 KT OR LESS. SEAS TO 9 FT 
IN MIXED SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
20N124W 1006 MB. FROM 20N TO 23N BETWEEN 122W AND 124W SE TO E 
WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 15N TO 24N 
BETWEEN 118W AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATED. TROUGH FROM 24N127W TO 
19N127W. FROM 23N TO 25N BETWEEN 126W AND 129W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL. 

.SW OF LINE FROM 22N140W TO 06N100W TO 03.4S94W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST S OF 15N BETWEEN 100W AND 135W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 01N TO 07N BETWEEN 108W AND 110W AND 
BETWEEN 131W AND 135W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED 
SWELL.

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

CONVECTION VALID AT 0215 UTC MON OCT 16...

.LOW PRES NEAR 19N121W 1006MB. SCATTERED MODERATE FROM 14N TO 
22N BETWEEN 116W AND 121W.   

.TROPICAL WAVE ALONG 95W N OF 08N. SCATTERED MODERATE FROM 08N 
TO 13N BETWEEN 94W AND 104W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 10N86W TO 08N100W THEN 
TRANSITIONS TO AN ITCZ TO NEAR 08N116W. THE ITCZ RESUMES NEAR 
11N125W TO LOW PRES NEAR 11N132W 1007 MB TO 08N140W. SCATTERED 
MODERATE FROM 08N TO 13N BETWEEN 94W AND 104W...FROM 06N TO 13N 
BETWEEN 128W AND 140W. 

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.