000
FZPN03 KNHC 090304
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED MAY 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED MAY 09.
24 HOUR FORECAST VALID 0000 UTC THU MAY 10.
48 HOUR FORECAST VALID 0000 UTC FRI MAY 11.

.WARNINGS.

...GALE WARNING...

.LOW PRES 10.5N122.5W 1012 MB. WITHIN 150 NM NE SEMICIRCLE OF 
LOW NE TO E WINDS 20 TO 25 KT. SEAS TO 11 FT. POSSIBLE TROPICAL 
CYCLONE FORMATION.  
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N124W 1006 MB. WITHIN 60 NM N SEMICIRCLE OF LOW NE TO E 
WINDS 30 TO 35 KT. SEAS 9 TO 14 FT. ELSEWHERE WITHIN 120 NM 
OF LOW WINDS 20 TO 30 KT. SEAS TO 10 FT. SCATTERED TSTMS WITHIN
300 NM OF CENTER.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N126W 1004 MB. WITHIN 75 NM N SEMICIRCLE OF LOW NE TO E WINDS 
30 TO 40 KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN 180 NM OF LOW
WINDS 20 TO 30 KT. SEAS TO 11 FT. SCATTERED TSTMS WITHIN
300 NM OF CENTER.

.SYNOPSIS AND FORECAST.

.DISSIPATING COLD FRONT FROM 30N132W TO 23N140W. W OF LINE FROM
30N131W TO 20N140W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY
IN NW SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. WITHIN AREA BOUNDED BY 
21N132W TO 11N140W TO 17N140W TO 21N132W WINDS 20 KT OR LESS. 
SEAS TO 8 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

..WITHIN 30 NM OF LINE FROM 16N95W TO 13N95W...INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
 
.24 HOUR FORECAST N OF 29N BETWEEN 119W AND 125W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN N SWELL.
.48 HOUR FORECAST N OF 25N BETWEEN 117W AND 125W WINDS 20 KT OR 
LESS. SEAS TO 10 FT PRIMARILY IN N SWELL.

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

CONVECTION VALID AT 0300 UTC WED MAY 09... 

.SURFACE LOW 10.5N122.5W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 210 NM NE SEMICIRCLE OF LOW.  

.SCATTERED MODERATE ISOLATED STRONG WITHIN 45 NM OF LINES FROM
07N80W TO 10N86W AND FROM 13N87W TO 14N91W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
MONSOON TROUGH FROM 09N85W TO 07N95W TO 12N104W TO 13N116W 
THROUGH A SURFACE LOW AT 10.5N122.5W TO 07N129W. ITCZ FROM 
07N129W TO 07N140W. ISOLATED STRONG WITHIN 150 NM OF LINE FROM 
05N83W TO 05N93W. SCATTERED MODERATE ISOLATED STRONG WITHIN 150 
NM OF LINE FROM 13N102W TO 10N111W.  
   
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.