438
FZPN03 KNHC 090353
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU OCT 9 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 9.
24 HOUR FORECAST VALID 0000 UTC FRI OCT 10.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 11.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM PRISCILLA NEAR 22.6N 113.6W 989 MB AT 0300 UTC
OCT 09 MOVING NW OR 320 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 50
KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF
CENTER EXCEPT 140 NM NE QUADRANT.  SEAS 4 M OR GREATER WITHIN
270 NM S SEMICIRCLE...200 NM NE QUADRANT AND 300 NM NW QUADRANT
WITH SEAS TO 10 M. ELSEWHERE WITHIN 24N111W TO 25N112W TO
24N117W TO 22N118W TO 20N115W TO 20N112W TO 24N111W WINDS 20 TO
33 KT. SEAS 4.0 TO 7.0 M. REMAINDER OF AREA WITHIN 25N108W TO
29N119W TO 21N123W TO 10N117W TO 12N97W TO 25N108W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM PRISCILLA NEAR 24.6N 115.1W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 0
NM SW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN
210 NM OF CENTER...EXCEPT WITHIN 150 NM SE QUADRANT WITH SEAS TO
6 M. ELSEWHERE WITHIN 26N113W TO 30N118W TO 23N122W TO 13N117W TO
10N109W TO 17N107W TO 26N113W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW PRISCILLA NEAR 25.7N
115.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW PRISCILLA NEAR 26.5N
115.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ELSEWHERE
WITHIN 27N114W TO 29N117W TO 28N119W TO 25N119W TO 21N117W TO
23N115W TO 27N114W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...TROPICAL STORM WARNING...
.TROPICAL STORM OCTAVE NEAR 16.1N 113.2W 1001 MB AT 0300 UTC OCT
09 MOVING ENE OR 075 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM N
SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW QUADRANT.  SEAS 4 M
OR GREATER WITHIN 45 NM NE QUADRANT...90 NM SE QUADRANT...75 NM
SW QUADRANT...AND 30 NM NW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE
WITHIN 15N112W TO 16N113W TO 16N115W TO 15N116W TO 14N114W TO
14N113W TO 15N112W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 16.9N
108.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. ELSEWHERE
WITHIN 17N107W TO 17N109W TO 17N110W TO 15N110W TO 15N108W TO
17N107W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.36 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS
THAN 2.5 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW PRES..NEAR 15N97W 1006 MB. WITHIN 16N95W TO 16N97W TO
15N97W TO 15N96W TO 15N95W TO 16N95W WINDS 20 TO 30 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N101W 1003 MB. WITHIN 17N100.5W TO 17N101W TO 17N101.5W TO
16.5N101W TO 16N101W TO 16.5N100.5W TO 17N100.5W WINDS 20 TO 30
KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 16N97W TO 20N106W TO
19N107W TO 12N105W TO 10N97W TO 13N96W TO 16N97W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
19N107W 999 MB. WITHIN 20N106W TO 20N107W TO 20N108W TO 19N108W
TO 19N107W TO 19N106W TO 20N106W WINDS 20 TO 30 KT. SEAS 3.0 TO
4.5 M. ELSEWHERE WITHIN 20N106W TO 19N111W TO 13N110W TO 12N107W
TO 13N101W TO 15N100W TO 20N106W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.5 M IN MIXED SWELL.

.LOW PRES...NEAR 12N127W 1012 MB. WITHIN 11N124W TO 11N127W TO
10N129W TO 08N129W TO 08N125W TO 08N124W TO 11N124W WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.24 HOUR FORECAST LOW PRES...NEAR 12N125W 1012 MB. WITHIN
11N122W TO 13N125W TO 12N127W TO 10N126W TO 09N125W TO 10N123W TO
11N122W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL.
.30 HOUR FORECAST LOW PRES...NEAR 11N124W 1014 MB. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.WITHIN 06N86W TO 08N101W TO 03N108W TO 00N121W TO 03.4S120W TO
02S83W TO 06N86W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT
OR LESS. SEAS TO 2.5 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 01S112W TO 01N118W TO 00N121W TO
03.4S120W TO 03.4S107W TO 01S112W WINDS 20 KT OR LESS. SEAS TO
2.5 M IN SE TO S SWELL.
.48 HOUR FORECAST WITHIN 04N102W TO 06N104W TO 03N115W TO
03.4S120W TO 03.4S102W TO 04N102W WINDS 20 KT OR LESS. SEAS TO
2.5 M IN SW SWELL.

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

CONVECTION VALID AT 0300 UTC THU OCT 9...

.T.S. PRISCILLA...NUMEROUS MODERATE CONVECTION FROM 18N TO 25N
BETWEEN 111W AND 116W.

.T.S. OCTAVE...SCATTERED MODERATE ISOLATED STRONG WITHIN 210 NM
SW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 1006 MB LOW PRES (EP90) NEAR
15N96W TO 18N104W...FROM 15N118W TO BEYOND 10N140W. SCATTERED
MODERATE CONVECTION N OF 04N AND E OF 90W... FROM 06N TO 10N AND
W OF 133W.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.