000
FZPN03 KNHC 190315
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 19.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 20.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 21.

.WARNINGS.

...GALE WARNING...

.LOW PRES NEAR 14N98W 1007 MB. WITHIN 30 NM OF LINE FROM 16N95W 
TO 12.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 25 KT. SEAS BUILDING TO 10 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N98.5W 1006 MB. WITHIN 180 NM NE QUADRANT WINDS 25 TO 35 KT. 
SEAS BUILDING TO 11 FT.   
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N100W 1006 MB. WITHIN 120 NM NE QUADRANT WINDS 20 TO 25 KT. 
SEAS TO 9 FT.

.SYNOPSIS AND FORECAST.    

.LOW PRES 12.5N91.5W 1007 MB. WITHIN 60 NM NE QUADRANT E TO SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES 13.5N95W 1007 MB. WITHIN 60 NM NE 
QUADRANT E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 15N102W 1006 MB. WITHIN 120 NM 
NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 8 FT.

.LOW PRES 12N118W 1008 MB. WITHIN 60 NM E SEMICIRCLE SE TO S 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES 12N120W 1008 MB WITH TROUGH N TO 
16N118W. WITHIN 60 NM SE QUADRANT SE TO S WINDS 20 TO 25 KT. 
SEAS TO 8 FT. WITHIN 60 NM W OF TROUGH WINDS 20 KT OR LESS. SEAS 
TO 8 FT. 
.48 HOUR FORECAST LOW PRES 12N119W 1008 MB. WITHIN 180 NM W 
SEMICIRCLE OF LOW WINDS 20 KT OR LESS. SEAS TO 8 FT.

.TROUGH FROM 10N137W TO 15N137W. FROM 12N TO 15N W OF 130W NE TO 
E WINDS 20 TO 25 KT. FROM SEAS TO 10 FT. ELSEWHERE FROM 11N TO 
30N W OF 128W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN 
MIXED SWELL. 
.24 HOUR FORECAST TROUGH W OF AREA. WITHIN AREA BOUNDED BY 
26N140W TO 20N125W TO 03N140W TO 26N140W WINDS 20 KT OR LESS. 
SEAS TO 9 FT PRIMARILY IN MIXED SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 22N140W TO 22N132W TO 
11N130W TO 00N128W TO 00N140W TO 22N140W WINDS 20 KT OR LESS. 
SEAS TO 9 FT PRIMARILY IN MIXED SWELL.  

.GULF OF CALIFORNIA N OF 29N NW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.24 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 0300 UTC FRI OCT 19...

.LOW PRES 14N98W...SCATTERED MODERATE ISOLATED STRONG WITHIN 180 
NM NW SEMICIRCLE OF LOW CENTER. 

.LOW PRES 12.5N91.5W...SCATTERED MODERATE ISOLATED STRONG WITHIN 
90 NM OF LOW CENTER. 

.LOW PRES 12N118W...ISOLATED MODERATE TO STRONG WITHIN 180 NM 
OF LOW CENTER. 

.TROUGH FROM 10N137W TO 15N137W...SCATTERED MODERATE ISOLATED 
STRONG WITHIN 240 NM E AND 90 NM W OF TROUGH AXIS.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N96W TO LOW PRES 12.5N91.5W TO LOW PRES 
14N98W TO 11N105W TO 14.5N114W TO LOW PRES 12N118W TO 08N120W TO 
11N140W. ISOLATED MODERATE TO STRONG ELSEWHERE WITHIN 120 NM OF 
LINE FROM 05N78W TO 12N90W TO 10N96W TO 11N113W TO 08N122W TO 
09N140W.  

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.