000
FZPN03 KNHC 080300
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE MAY 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE MAY 08.
24 HOUR FORECAST VALID 0000 UTC WED MAY 09.
48 HOUR FORECAST VALID 0000 UTC THU MAY 10.

.WARNINGS.

...GALE WARNING...

.LOW PRES 09N121W 1010 MB WITH TROUGH WITH TROUGH NE TO 13N117W.
WITHIN 120 NM SE OF LOW AND TROUGH SE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 12N121W 10N120W 1008 MB. WITHIN 
180 NM NE SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS TO 11 FT.
SCATTERED TSTMS WITHIN 270 NM E SEMICIRCLE OR LOW.
.36 HOUR FORECAST LOW PRES NEAR 12N123W 1005 MB. WITHIN 75 NM NE 
QUADRANT OF LOW E TO SE WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. 
ELSEWHERE WITHIN 150 NM OF A SURFACE HIGH IS CENTERED NEAR 
32N127W WITH A QUASI-STATIONARY RIDGE EXTENDING SOUTHWEST TO 
BEYOND 23N140W.LOW WINDS 20 TO 30 KT. SEAS TO 11 FT. SCATTERED 
TSTMS WITHIN 300 NM OF CENTER.  
.48 HOUR FORECAST LOW PRES NEAR 12.5N123.5W 1005 MB. WITHIN 75 
NM N SEMICIRCLE OF LOW NE TO E WINDS 30 TO 35 KT. SEAS 10 TO 15 
FT. ELSEWHERE WITHIN 180 NM N AND WITHIN 150 NM S SEMICIRCLES OF 
LOW WINDS 20 TO 30 KT. SEAS TO 11 FT. SCATTERED TSTMS WITHIN 300 
NM OF CENTER.  

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N136W TO 25N140W. W OF FRONT WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NW SWELL.
.24 HOUR FORECAST FRONTAL FRONT FROM 30N132W TO 23N140W. W OF A 
LINE FROM 30N131W TO 19N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT PRIMARILY IN NW SWELL.
.36 HOUR FORECAST FRONTAL FRONT FROM 30N130W TO 24N140W. WITHIN 
AREA BOUNDED BY 30N131W TO 30N127W TO 16N140W TO 25N140W TO 
30N130W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST TROUGH DISSIPATED. WITHIN AREA BOUNDED BY 
22N140W TO 20N131W TO 11N140W TO 22N140W WINDS 20 KT OR LESS. 
SEAS TO 8 FT.

.WITHIN 45 NM OF LINE FROM 16N95W TO 14N96W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 9 
FT.
.24 HOUR FORECAST N OF 13N BETWEEN 94W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

..48 HOUR FORECAST N OF 28N BETWEEN 119W AND 125W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN N SWELL.

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

CONVECTION VALID AT 0300 UTC TUE MAY 08... 

.SURFACE LOW 09N121W...SCATTERED MODERATE ISOLATED STRONG WITHIN 
480 NM NE AND 240 NM SW SEMICIRCLES OF LOW.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
MONSOON TROUGH FROM 09N78W TO 07N83W TO 11N103W TO THROUGH A 
SURFACE LOW 09N121W TO 06N135W. ITCZ FROM 06N135W TO 06N139W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF LINE 06N85W 
TO 08N94W AND WITHIN 240 NM OF LINE FROM 10N98W TO 13N108W.
   
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.