737
FZPN03 KNHC 210319
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU AUG 21 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU AUG 21.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 22.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 19N132W TO 18N138W TO 15N137W TO 15N134W TO 16N131W TO
19N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 18N134W TO 21N140W TO 14N140W TO
13N137W TO 15N131W TO 18N134W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 11N129W TO 09N132W TO 05N138W TO 04N137W TO 03N132W TO
06N128W TO 11N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 01S108W TO 00N112W TO 00N120W TO 03.4S120W TO 03.4S103W
TO 01S108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 09N103W TO 10N108W TO 10N119W TO 06N118W TO 05N115W TO
05N104W TO 09N103W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
TO S SWELL.
.24 HOUR FORECAST WITHIN 11N108W TO 09N113W TO 07N112W TO
07N108W TO 11N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
TO S SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 0300 UTC THU AUG 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 12N125W TO 11N140W. SCATTERED
MODERATE AND ISOLATED STRONG FROM 03N TO 10N EAST OF 95W...FROM
08N TO 13N BETWEEN 100W AND 120W...AND FROM 10N TO 14N BETWEEN
135W AND 140W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.