000
FZPN03 KNHC 080901
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE MAY 08.
24 HOUR FORECAST VALID 0600 UTC WED MAY 09.
48 HOUR FORECAST VALID 0600 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 12N122W 1007 MB. WITHIN 150 NM N 
SEMICIRCLE OF LOW WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE 
WITHIN 180 NM OF LOW WINDS 20 KT OR LESS. SEAS LESS THAN 8 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 LOW WINDS 20 TO 30 KT. SEAS TO 11 FT. 
SCATTERED TSTMS WITHIN 300 NM OF CENTER.  
.48 HOUR FORECAST LOW PRES NEAR 13N124W 1004 MB. WITHIN 90 NM N 
SEMICIRCLE OF LOW NE TO E WINDS 30 TO 35 KT. SEAS 11 TO 19 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.

.WEAKENING COLD FRONT FROM 30N135W TO 25N140W. W OF FRONT WINDS 
20 KT OR LESS. SEAS 8 TO 13 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST FRONTAL FRONT FROM 30N132W TO 23N140W. W OF A 
LINE FROM 30N129W TO 17N140W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT PRIMARILY IN NW SWELL.
.36 HOUR FORECAST TROUGH DISSIPATED. WITHIN AREA BOUNDED BY 
28N127W TO 12N140W TO 23N140W TO 28N127W WINDS 20 KT OR LESS. 
SEAS TO 9 FT PRIMARILY IN NW SWELL.
.48 HOUR FORECAST FROM 10N TO 14N W OF 137W 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 30 KT. SEAS TO 9 
FT.
.12 HOUR FORECAST WINDS 2 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST N OF 13N BETWEEN 94W AND 96W...INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 14N95W N 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.42 HOUR FORECAST N OF 28N BETWEEN 119W AND 125W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN N SWELL.
.48 HOUR FORECAST N OF 26N BETWEEN 118W 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 0900 UTC TUE MAY 08... 

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

.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF THE COAST 
OF CENTRAL AMERICA FROM 81W TO 92W AND WITHIN 90 NM OF 18N103W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
MONSOON TROUGH FROM 09N83W TO 08N90W TO 10N100W THROUGH A 
SURFACE LOW 09N121W TO 05N124W. ITCZ FROM 05N124W TO 03N140W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF LINE 
06N93W TO 11N102W TO 10N111W.  
   
$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.