000
FZPN03 KNHC 152056
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 15.
24 HOUR FORECAST VALID 1800 UTC MON OCT 16.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 17.

.WARNINGS.

...GALE WARNING...
.WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 13.5N96W... 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 9 FT.
.18 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
14N96W...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 
14N95.5W TO 13N97W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE. 
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
14.5N95W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 
40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 45 NM OF LINE FROM 
16N95W TO 14N95.5W TO 13N96.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 12 FT. REMAINDER OF THE AREA FROM 10N TO 15N BETWEEN 93W 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 
14N95.5W TO 13N96W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 
REMAINDER OF THE AREA FROM 09N TO 15N BETWEEN 93W AND 104W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 16N119W 1006 MB. FROM 16N TO 19N BETWEEN 115W AND 
120W SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 08N 
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 
17N124W 1006 MB. FROM 20N TO 22N BETWEEN 120W AND 124W SE TO E 
WINDS 20 TO 30 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 16N TO 23N 
BETWEEN 116W AND 127W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED 
SWELL.
.48 HOUR FORECAST LOW PRES DISSIPATED. TROUGH FROM 26N126W TO 
19N127W. FROM 20N TO 26N BETWEEN 124W AND 129W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL. 

.SW OF LINE FROM 24N140W TO 07N111W TO 05N99W TO 03.4S94W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST S OF 16N BETWEEN 99W AND 140W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST FROM 03N TO 13N BETWEEN 104W AND 118W AND S OF 
04N BETWEEN 129 AND 136W 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 2045 UTC SUN OCT 15...

.LOW PRES NEAR 16N119W 1006MB. NUMEROUS MODERATE TO STRONG FROM 
14N TO 21N BETWEEN 116W AND 121W.   

.TROPICAL WAVE ALONG 99W N OF 08N. SCATTERED MODERATE FROM 08N 
TO 13N BETWEEN 92W AND 100W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 10N86W TO 09N96W THEN 
TRANSITIONS TO AN ITCZ AXIS TO NEAR 08N115W. THE ITCZ RESUMES 
NEAR 11N123W TO LOW PRES NEAR 11N132W 1008 MB TO 09N140W. 
SCATTERED MODERATE FROM 08N TO 13N BETWEEN 92W AND 100W...FROM 
06N TO 13N BETWEEN 129W AND 140W. 

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.