FZPN03 KNHC 201513

HSFEP2



HIGH SEAS FORECAST

NWS NATIONAL HURRICANE CENTER MIAMI FL

1630 UTC MON APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON APR 20.

24 HOUR FORECAST VALID 1200 UTC TUE APR 21.

48 HOUR FORECAST VALID 1200 UTC WED APR 22.



.WARNINGS.



...GALE WARNING...

.WITHIN 16N94.5W TO 16N95W TO 15.5N95.5W TO 15.5N95W TO

15.5N94.5W TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...N 

TO NE WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 

15N94W TO 15N96W TO 14N96W TO 13N98W TO 12.5N95.5W TO 14N94W

TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.

.06 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 12N99W TO 12N96W TO

13N94W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 

WINDS 20 TO 30 KT N OF 14N AND NE TO E WINDS 20 TO 25 KT. SEAS 

2.5 TO 3.5 M.

.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO

14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N

WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. WITHIN 14N96W TO 13N97W TO 

14N95W TO 14N96W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M.

.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.



.SYNOPSIS AND FORECAST.



.COLD FRONT FRONT FROM 30N127W TO 24N140W. NW OF FRONT...WITHIN  

30N132W TO 30N140W TO 27N140W TO 28N135W TO 30N132W WINDS 20 KT 

OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.

.24 HOUR FORECAST WEAKENING COLD FRONT FROM 30N125W TO 25N132W 

AND DISSIPATING TO 24N140W. NW OF FRONT...WITHIN 30N125W TO 

30N140W TO 23N140W TO 26N129W TO 30N125W WINDS 20 KT OR LESS. 

SEAS 2.5 TO 3 M IN NW TO N SWELL...EXCEPT 3 TO 4 M N OF 26N W OF 

128W.

.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 30N116W TO 

25N127W. WITHIN 30N119W TO 30N135W TO 26N140W TO 15N140W TO 

20N126W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN 

DECAYING NW TO N SWELL.



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



CONVECTION VALID AT 1500 UTC MON APR 20...



.SCATTERED MODERATE FROM 03N TO 07N BETWEEN 120W AND 125W AND 

WITHIN 30 NM OF 13N99.5W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

TROUGH AXIS EXTENDS FROM LOW PRES OFFSHORE COLOMBIA NEAR 11N77W

1011 MB TO 09N86W TO LOW PRES AT 04N96W 1010 MB TO 03N102W AND 

TO 03N110W. ITCZ AXIS EXTENDS FROM 03N110W TO 01S120W. SCATTERED

MODERATE ISOLATED STRONG WITHIN 120 NM S OF THE ITCZ BETWEEN 

120W AND 124.5W. SCATTERED MODERATE WITHIN 180 NM N OF THE ITCZ 

BETWEEN 111W AND 117W. SECOND ITCZ FROM 05.5N125W TO 05N140W. 

SCATTERED MODERATE WITHIN 30 NM OF THE ITCZ W OF 137W.



$$

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.