000
FZPN03 KNHC 201548
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI APR 20.
24 HOUR FORECAST VALID 1200 UTC SAT APR 21.
48 HOUR FORECAST VALID 1200 UTC SUN APR 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 45 NM OF A LINE FROM 16N95W TO 14.5N95W TO 
12.5N96.5W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 
35 KT. SEAS 8 TO 14 FT. ELSEWHERE WITHIN 60 NM OF LINE FROM 
16N95W TO 13N95W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
ELSEWHERE FROM 01.N TO 14N BETWEEN 93W AND 106W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.03 HOUR 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 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
16N95W TO 14N92W TO 09N97W TO 12N100W TO 16N95W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED NE AND SW SWELL.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14N FROM 08N TO 
11.5N BETWEEN 97W AND 102W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 120 NM OF COAST OF BAJA CALIFORNIA N OF 24N NW WINDS 20 
TO 25 KT. SEAS TO 8 FT. ELSEWHERE E OF LINE FROM 30N123W TO 
23N115W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW SWELL.
.06 HOUR FORECAST N OF 29N E OF 122W AND FROM 22N TO 25N BETWEEN 
112W AND 116W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.
.24 HOUR FORECAST N OF 28N E OF 120W WINDS 20 KT OR LESS. SEAS 8 
FT IN NW SWELL.
.48 HOUR FORECAST N OF LINE FROM 25N137W TO 23N134W TO 29N119W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.

.WITHIN 120 NM OF LINE FROM 14N121W TO 14N126W TO 09N132W TO 
08N138W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE W OF 
LINE FROM 23N140W TO 18N114W TO 13N114W TO 06N132W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST W OF LINE FROM 20N140W TO 12N119W TO 09N126W NE 
WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE W OF LINE FROM 
30N137W TO 18N130W TO 15N115W TO 10N116W TO 04N140W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST W OF LINE FROM 28N140W TO 13N123W TO 06N125W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.

.S OF 01.5S BETWEEN 98W AND 120W AND S OF 0.45N BETWEEN 79W AND 
88W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SW AND N TO NW 
SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 09.5N TO 12N E OF 89W...INCLUDING GULF OF PAPAGAYO...NE 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 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.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 11N86W TO 
10.5N88W...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.

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

CONVECTION VALID AT 1515 UTC FRI APR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 07.5N76W TO 05N90W TO 08N106W TO 06N118W. ITCZ 
CONTINUES FROM 06N118W TO 07.5N124W TO BEYOND 06.5N140W. 
SCATTERED MODERATE TO STRONG CONVECTION FROM 04N TO 07.5N E OF 
85W TO COAST OF COLOMBIA. SCATTERED MODERATE TO STRONG 
CONVECTION WITHIN 150 NM S OF TROUGH BETWEEN 91W AND 109W. 
SCATTERED MODERATE TO STRONG CONVECTION FROM 05N TO 11.5N 
BETWEEN 100W AND 128W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.