267
FZPN03 KNHC 010309
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED OCT 1 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 1.
24 HOUR FORECAST VALID 0000 UTC THU OCT 2.
48 HOUR FORECAST VALID 0000 UTC FRI OCT 3.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM OCTAVE NEAR 10.8N 114.4W 1001 MB AT 0300 UTC OCT
01 MOVING NNW OR 340 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E
SEMICIRCLE AND 30 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 0
NM W SEMICIRCLE...60 NM NE QUADRANT AND 30 NM SE QUADRANT WITH
WITH SEAS TO 4.0 M. ELSEWHERE WITHIN 11N112W TO 11N114W TO
11N115W TO 08N114W TO 07N112W TO 09N111W TO 11N112W WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 10N106W TO
13N110W TO 12N114W TO 09N115W TO 07N115W TO 07N111W TO 10N106W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 12.5N 115.2W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 4 M OR GREATER.
ELSEWHERE WITHIN 13N113W TO 14N115W TO 13N116W TO 11N115W TO
11N114W TO 12N113W TO 13N113W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 13N109W TO 15N113W TO 14N116W TO
11N116W TO 06N114W TO 07N111W TO 13N109W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 13.5N 117.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM OF CENTER EXCEPT 30 NM SW QUADRANT. LITTLE
CHANGE IN RADIUS OF 4 M SEAS WITH SEAS TO 4.5 M. ELSEWHERE
WITHIN 14N116W TO 15N118W TO 14N118W TO 13N118W TO 12N117W TO
13N116W TO 14N116W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
REMAINDER OF AREA WITHIN 12N111W TO 13N113W TO 12N117W TO 11N116W
TO 07N117W TO 08N111W TO 12N111W 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.
.SYNOPSIS AND FORECAST.
.FRONTAL TROUGH FROM 30N126.5W TO 26N135W. WITHIN 30N138.5W TO
30N140W TO 29N140W TO 29.5N139W TO 30N138.5W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST FRONTAL TROUGH DISSIPATED. WEAK COLD FRONT FROM
30N133.5W TO 28N140W. WITHIN 30N128W TO 30N140W TO 26N140W TO
26N135W TO 30N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.48 HOUR FORECAST FRONTAL TROUGH FROM 30N129W TO 25N140W.
WITHIN 30N120W TO 30N131W TO 28N130W TO 26N133W TO 22N132W TO
26N129W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.REMNANT LOW OF NARDA NEAR 21.5N125W 1011 MB. WITHIN 23N126W TO
23N128W TO 22N128W TO 21N128W TO 20N127W TO 21N126W TO 23N126W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
.24 HOUR FORECAST REMNANT LOW OF NARDA DISSIPATING TO A TROUGH
NEAR 22.5N128W 1012 MB. 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 0100 UTC WED OCT 1...
TROPICAL STORM OCTAVE
SCATTERED MODERATE ISOLATED STRONG
WITHIN 300 NM IN SW AND W QUADRANTS.
LOW PRES NEAR 15.5N113.5W
SCATTERED MODERATE FROM 13.5N TO
16.5N BETWEEN 113W AND 116W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N86W TO 13N110W THEN RESUMES WSW OF OCTAVE
FROM 09N120W TO 10.5N135W. ITCZ FROM 10.5N135W TO BEYOND
10N140W. SCATTERED MODERATE FROM 04.5N TO 10N BETWEEN 77W AND
92W...AND FROM 07.5N TO 15N BETWEEN 96W AND 110W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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