000
FZPN03 KNHC 282104
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC SUN OCT 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 28.
24 HOUR FORECAST VALID 1800 UTC MON OCT 29.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 10.5N104W 1007 MB. WITHIN 150 NM NE SEMICIRCLE 
WINDS 20 KT OR LESS. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
11N110W 1008 MB. WITHIN 270 NM NE SEMICIRCLE WINDS 20 KT OR LESS.
SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12N115W 1008 MB. WITHIN 240 NM NE QUADRANT WINDS 20 KT OR LESS.
SEAS TO 8 FT.  

.LOW PRES 09N116.5W 1008 MB. WITHIN 480 NM SE QUADRANT WINDS 20 
KT OR LESS. SEAS TO 9 FT IN SW SWELL.
.24 HOUR FORECAST LOW PRES NEAR 09N119W 1008 MB. WITHIN 150 NM E 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 09N121W 1009 MB. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS TO 11 FT. 
ELSEWHERE WITHIN 45 NM OF LINE FROM 16N95W TO 14N95.5W TO 
12.5N97W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT. SEAS TO 11 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 16N95W 
TO 14N96W TO 12N98W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY 
IN NE SWELL. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.W OF LINE FROM 30N133W TO 23N140W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST W OF LINE FROM 30N120W TO 13N135W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL.
.36 HOUR FORECAST N OF 29.5N BETWEEN 120W AND 125W N WINDS 20 TO 
25 KT. SEAS 9 TO 11 FT. ELSEWHERE W OF LINE FROM 30N117W TO 
12N136W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW 
SWELL.
.48 HOUR FORECAST W OF LINE FROM 30N116W TO 25N117W TO 11N135W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL. 

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

CONVECTION VALID AT 2100 UTC SUN OCT 28...

.LOW PRES 10.5N104W...SCATTERED MODERATE ISOLATED STRONG WITHIN 
180 NM E AND 290 NM W SEMICIRCLES OF CENTER.

.LOW PRES 09N116.5W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 240 NM E SEMICIRCLE OF LOW.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N76W TO 10N85W TO LOW PRES 10.5N104W TO 
LOW PRES 09N117W TO 09N123W. ITCZ 09N123W TO 09N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 60 NM OF LINE FROM 05N78W TO 
10N86W TO 09N99W AND WITHIN 180 NM OF LINE FROM 08N105W TO 
09N114W.   

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.