270
FZPN03 KNHC 301459
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE SEP 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 30.
24 HOUR FORECAST VALID 1200 UTC WED OCT 1.
48 HOUR FORECAST VALID 1200 UTC THU OCT 2.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM OCTAVE NEAR 9.9N 113.5W 1004 MB AT 1500 UTC SEP
30 MOVING NW OR 325 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF CENTER
EXCEPT 40 NM NE QUADRANT. ELSEWHERE WITHIN 09N111W TO 10N111W TO
10N114W TO 09N114W TO 08N113W TO 08N111W TO 09N111W WINDS 20 TO
33 KT. SEAS 2.5 TO 3.5 M. REMAINDER AREA WITHIN 10N106W TO
12N108W TO 11N111W TO 07N115W TO 07N110W TO 08N107W TO 10N106W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 11.3N 114.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM OF CENTER EXCEPT 40 NM NE QUADRANT. SEAS 4.0 M
OR GREATER WITHIN 45 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE
WITH SEAS TO 4.0 M. ELSEWHERE WITHIN 11N112W TO 13N113W TO
13N115W TO 11N115W TO 10N114W TO 11N112W WINDS 20 TO 33 KT. SEAS
3.0 TO 4.0 M. REMAINDER AREA WITHIN 11N107W TO 13N109W TO 12N112W
TO 07N115W TO 08N110W TO 11N107W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 12.9N 115.2W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE. SEAS 4.0
M OR GREATER WITHIN 40 NM N SEMICIRCLE AND 30 NM S SEMICIRCLE
WITH SEAS TO 4.0 M. ELSEWHERE WITHIN 15N114W TO 14N116W TO
12N117W TO 12N116W TO 11N114W TO 13N114W TO 15N114W WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 11N110W TO
14N114W TO 12N116W TO 09N116W TO 08N112W TO 09N110W TO 11N110W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 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.
.WITHIN 30N133W TO 30N140W TO 26N140W TO 26N137W TO 28N134W TO
30N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 30N132W TO 30N140W TO 26N140W TO
27N135W TO 30N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.48 HOUR FORECAST WITHIN 30N122W TO 30N140W TO 23N134W TO
25N127W TO 30N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.WITHIN 22N125W TO 23N126W TO 22N129W TO 20N130W TO 18N128W TO
19N126W TO 22N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.24 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 1455 UTC TUE SEP 30...
TROPICAL STORM OCTAVE
SCATTERED MODERATE ISOLATED STRONG
FROM 06N TO 11N BETWEEN 113W AND 119W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N86W TO 14N104W TO 13N110W. IT RESUMES
FROM 10N120W TO 11N135W. ITCZ FROM 11N135W TO 10N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 02N TO 07N E OF 80W...FROM 06N TO
09N BETWEEN 83W AND 87W...AND FROM 09N TO 15N BETWEEN 89W AND
107W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
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