000
FZPN03 KNHC 172109
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE APR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE APR 17.
24 HOUR FORECAST VALID 1800 UTC WED APR 18.
48 HOUR FORECAST VALID 1800 UTC THU APR 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.NW OF LINE FROM 29.5N115W TO 17N110W TO 03.4S110W TO 00N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NW AND NE SWELL... 
EXCEPT MIXED SW AND NE SWELL S OF 03N BETWEEN 110W AND 120W. 
.24 HOUR FORECAST N OF 24N E OF 122W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN NW SWELL. FROM 14N TO 25N W OF 122W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL. S OF 15N BETWEEN 
90.5N AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.48 HOUR FORECAST N OF 23N E OF 119W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN NW SWELL. FROM 09N TO 22N W OF 115W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL. S OF 12N BETWEEN 
90.5W AND 126W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
SWELL. S OF 03N BETWEEN 81W AND 88.5W WINDS 20 KT OR LESS. SEAS 
8 FT IN SW SWELL.

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95.5W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 10 FT. 
ELSEWHERE FROM 03N TO 16N BETWEEN 93W AND 100W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL. FROM 04N TO 17N BETWEEN 
100W AND 110W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE 
AND NW SWELL.
.06 HOUR FORECAST GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. 

.WITHIN 30 NM OF LINE FROM 11N86W TO 09.5N89W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 07.5N TO 
11.5N BETWEEN 89W AND 93W WINDS 20 KT OR LESS. SEAS TO 10 FT IN 
MIXED NE AND NW SWELL.
.24 HOUR FORECAST GULF OF PAPAGAYO WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. FROM 10.5N TO 11.5N BETWEEN 88W AND 91W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN NE SWELL.
.48 HOUR FORECAST GULF OF PAPAGAYO 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 2015 UTC TUE APR 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS FROM 10N71.5W TO 06.5N79W TO 09N84W TO 
05.5N90W. THE ITCZ STRETCHES FROM 05.5N90W TO 08N111W TO 07N119W 
TO 08N128W TO BEYOND 07.5N140W. SCATTERED MODERATE TO STRONG 
CONVECTION IS FROM 02.5N TO 08N E OF 93W TO THE COAST OF 
COLOMBIA. SCATTERED MODERATE TO STRONG CONVECTION IS NOTED FROM 
05N TO 13.5N BETWEEN 103W AND 140W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.