000
FZPN03 KNHC 180900
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU OCT 18 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 18.
24 HOUR FORECAST VALID 0600 UTC FRI OCT 19.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 20.

.WARNINGS.

...GALE WARNING...

.FROM 09N TO 13N BETWEEN 87W AND 96W SW TO W WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT. LOW PRES NEAR 14N95W 1007 MB. N OF 13N BETWEEN 
93W AND 96W...INCLUDING GULF OF TEHUANTEPEC...WINDS 20 TO 30 KT. 
SEAS TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13.5N95W 1004 MB. WITHIN 60 NM OF LOW WINDS 25 TO 35 KT. SEAS 9 
TO 12 FT. ELSEWHERE WITHIN 150 NM OF LOW...INCLUDING GULF OF 
TEHUANTEPEC...WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF 
AREA N OF 09N BETWEEN 91W AND 97W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N97W 1000 MB. WITHIN 90 NM OF LOW WINDS 30 TO 40 KT. SEAS 10 
TO 16 FT. ELSEWHERE WITHIN 150 NM OF LOW WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. REMAINDER OF AREA N OF 10N BETWEEN 92W AND 101W 
WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 

.SYNOPSIS AND FORECAST.   

.DISSIPATING STATIONARY FRONT FROM 30N137W TO 24N140W. N OF 17N 
W OF 132W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. LOW PRES NEAR 11N135W 1009 
MB. FROM 12N TO 22N W OF 132W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW SWELL.
.48 HOUR FORECAST LOW W OF AREA. FROM 11N TO 18N W OF 134W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 0900 UTC THU OCT 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N87W TO LOW NEAR 14N95W TO 11N106W TO 
12N115W TO 09N125W TO 12N135W TO 11N140W. SCATTERED MODERATE 
WITHIN 150 NM S OF TROUGH E OF 93W. SCATTERED MODERATE TO STRONG 
FROM 12N TO 17N BETWEEN 93W AND 102W. SCATTERED MODERATE FROM 
06N TO 14N BETWEEN 129W AND 135W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.