915 
FZPN03 KNHC 180910
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT APR 18 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT APR 18.
24 HOUR FORECAST VALID 0600 UTC SUN APR 19.
48 HOUR FORECAST VALID 0600 UTC MON APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N120W TO 30N126W TO 29N126W TO 28N124W TO 28N121W TO
30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO
14N96W TO 14N95W TO 15N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 29N140W TO 
29N138W TO 29N137W TO 30N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN NW TO N SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0842 UTC SAT APR 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM NORTHWEST COLOMBIA TO 05N90W TO 04N116W. ITCZ
FROM 04N116W TO 05N140W. SECOND ITCZ FROM 02S97W TO 03S138W. 
SCATTERED MODERATE FROM 03.5S TO 06N BETWEEN 84W AND 107W. 
SIMILAR CONVECTION FROM 04.5N TO 10N BETWEEN 116W AND 127W. 

$$
.FORECASTER KRV. NATIONAL HURRICANE CENTER.