000
FZPN03 KNHC 212124
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC SAT APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT APR 21.
24 HOUR FORECAST VALID 1800 UTC SUN APR 22.
48 HOUR FORECAST VALID 1800 UTC MON APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FROM 09N TO 14N W OF 136W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 
10 FT. ELSEWHERE W OF LINE FROM 02N140W TO 07N130W TO 10N115W TO 
16N127W TO 28N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
NE AND NW SWELL. 
.24 HOUR FORECAST W OF LINE FROM 06N140W TO 10N126W TO 12N126W 
TO 28N138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.48 HOUR FORECAST FROM 08N TO 17N W OF 125W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10.5N87W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. FROM 
09.5N TO 11N BETWEEN 87W AND 93W WINDS 20 KT OR LESS. SEAS TO 8 
FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N88W... 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
FROM 07N TO 12N BETWEEN 93W AND 105W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN MIXED N TO NE AND SW SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST N OF 29N BETWEEN 121W AND 132W WINDS 20 KT OR 
LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 120W AND 132W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST N OF 29N BETWEEN 122W AND 130W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN NW SWELL.

.24 HOUR FORECAST S OF 02.5S BETWEEN 103W AND 120W WINDS 20 KT 
OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF 01.5S BETWEEN 91W AND 120W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SW SWELL.

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

CONVECTION VALID AT 2045 UTC SAT APR 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 09N74W TO 06N84W TO 07N91W TO 05N102W. ITCZ 
CONTINUES FROM 05N102W TO 07N112W TO 08N134W TO BEYOND 07N140W. 
SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG CONVECTION FROM 
04.5N TO 08N BETWEEN 81W AND 89W. SCATTERED MODERATE TO STRONG 
CONVECTION FROM 05N TO 08N BETWEEN 89W AND 104W. SCATTERED 
MODERATE TO STRONG CONVECTION FROM 06N TO 10N BETWEEN 111W AND 
115W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.