000
FZPN03 KNHC 202149
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC FRI APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI APR 20.
24 HOUR FORECAST VALID 1800 UTC SAT APR 21.
48 HOUR FORECAST VALID 1800 UTC SUN APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 45 NM OF LINE FROM 16N95W TO 14.5N95W TO 11.5N97W... 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. ELSEWHERE FROM 07.5N TO 14N BETWEEN 93W AND 105W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED N TO NE AND SW 
SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. FROM 07N TO 12N BETWEEN 94W AND 104W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 18N TO 26N BETWEEN 108W AND 116W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN NW SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 300 NM N OF LINE FROM 10N124W TO 08N140W NE WINDS 20 TO 
25 KT. SEAS 9 TO 10 FT. ELSEWHERE W OF LINE FROM 05N140W TO 
02N130W TO 13N110W TO 18N110W TO 22N140W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST FROM 09N TO 14N W OF 136W NE WINDS 20 TO 25 
KT. SEAS 9 TO 10 FT. ELSEWHERE W OF LINE FROM 06N140W TO 
10.5N115W TO 16N123W TO 21N132W TO 30N121W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SWELL. 
.48 HOUR FORECAST W OF LINE FROM 07N140W TO 12N123W TO 27N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. N OF LINE 
FROM 30N120W TO 27N126W TO 30N132W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN NW SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 09.5N88.5W...INCLUDING GULF 
OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 08N TO 
10N BETWEEN 88.5W AND 92W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED NE AND SW SWELL.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 10N88W... 
INCLUDING GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. 
FROM 09N TO 10.5N BETWEEN 88W AND 92W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST 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 2045 UTC FRI APR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 07.5N77W TO 05N81W TO 08N105W TO 06N118W. ITCZ 
CONTINUES FROM 06N118W TO 07.5N124W TO BEYOND 06.5N140W. 
SCATTERED MODERATE TO STRONG CONVECTION FROM 04N TO 08.5N E OF 
87W TO COAST OF COLOMBIA. SCATTERED MODERATE TO STRONG 
CONVECTION WITHIN 60 NM N AND 120 NM S OF TROUGH BETWEEN 90W AND 
110W. SCATTERED MODERATE TO STRONG CONVECTION FROM 06N TO 13N 
BETWEEN 104W AND 127W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.