000
FZPN03 KNHC 150231
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC SUN OCT 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN OCT 15.
24 HOUR FORECAST VALID 0000 UTC MON OCT 16.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 17.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF LINE FROM 16N95W TO 14.5N95.5W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
15N95.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS 8 FT. 
.36 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. WITHIN 45 NM OF LINE FROM 16N95W TO 
14N95W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14N95.5W... INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
35 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 
16N95W TO 14N95W TO 12N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
10 FT. 

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 15N115W 1007 MB. WITHIN 240 NM SE SEMICIRCLE OF 
LOW WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 13N TO 20N 
BETWEEN 113W AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED SWELL. S OF LINE FROM 00N130W TO 04N115W TO 06N96W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N119W 1006 MB. WITHIN 150 NM NE SEMICIRCLE OF LOW WINDS 20 TO 
30 KT. SEAS 8 TO 13 FT. ELSEWHERE S OF LINE FROM 17N130W TO 
21N124W TO 20N116W TO 03.4S92W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N124W 1004 MB. WITHIN 180 NM NE SEMICIRCLE OF LOW WINDS 20 TO 
30 KT. SEAS 9 TO 13 FT. ELSEWHERE S OF LINE FROM 22N130W TO 
23N125W TO 23N118W TO 11S101W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN SW SWELL.

.W OF LINE FROM 30N121W TO 20N122W TO 12N122W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN N SWELL.
.24 HOUR FORECAST FROM 08N TO 17N W OF 130W AND FROM 17N TO 23N 
W OF 137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.48 HOUR FORECAST FROM 11N TO 16N W OF 133W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NE SWELL.

.12 HOUR FORECAST GULF OF CALIFORNIA N OF 30N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 28N NW WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.42 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 0230 UTC SUN OCT 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 09N94W TO 15N115W TO 10N130W TO 
09N135W. ITCZ FROM 09N135W TO 09N140W. SCATTERED MODERATE FROM 
06N TO 08N BETWEEN 86W AND 89W. SCATTERED MODERATE ISOLATED 
STRONG FROM 08N TO 11N BETWEEN 91W AND 96W. SCATTERED MODERATE 
ISOLATED STRONG FROM 09N TO 18N BETWEEN 111W AND 118W. SCATTERED 
MODERATE FROM 10N TO 12N BETWEEN 126W AND 129W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.