512
FZPN03 KNHC 201548
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

. WITHIN 16N134W TO 17N135W TO 18N140W TO 12N140W TO 13N137W TO
16N134W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN
18N121W TO 18N129W TO 21N130W TO 23N140W TO 07N140W TO 15N123W TO
18N121W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 15N120W TO 23N140W TO 06N140W TO
09N129W TO 15N120W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M
IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 13N126W TO 17N131W TO 16N140W TO
05N140W TO 08N129W TO 13N126W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N TO NE SWELL.

.COLD FRONT FROM 30N126W TO 28N137W. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 30N116W TO 22N135W. WITHIN
30N118W TO 30N140W TO 23N140W TO 23N134W TO 27N122W TO 30N118W N
TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN MIXED WINDS WAVES
AND NW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 20N117W 1010 MB WITH ASSOCIATED
COLD FRONT FROM 30N117W TO 20N125W. WITHIN 30N115W TO 30N140W TO
14N140W TO 15N135W TO 24N117W TO 30N115W...INCLUDING SEBASTIAN
VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW
SWELL.

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

CONVECTION VALID AT 1500 UTC THU NOV 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM THE COAST OF PANAMA NEAR 09N79W
TO 08N110W, WHERE IT TRANSITIONS TO THE ITCZ EXTENDING TO BEYOND
07N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED
NORTH OF 04N EAST OF 84W AS WELL AS FROM 05N-08N WEST OF 135W.

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.