500
FZPN03 KNHC 091604
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU OCT 9.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 10.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 11.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM PRISCILLA NEAR 23.8N 114.7W 996 MB AT 1500 UTC
OCT 09 MOVING NNW OR 330 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 40
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE AND 90 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN
180 NM S SEMICIRCLE...120 NM NE QUADRANT AND 210 NM NW QUADRANT
WITH SEAS TO 7 M. ELSEWHERE WITHIN 24N111W TO 26N113W TO 26N117W
TO 25N119W TO 21N116W TO 21N113W TO 24N111W WINDS 20 TO 33 KT.
SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 23N111W TO 29N115W TO
29N120W TO 26N123W TO 19N121W TO 19N113W TO 23N111W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL PRISCILLA NEAR 25.9N 115.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 4 M OR GREATER
WITHIN 60 NM NE QUADRANT. ELSEWHERE WITHIN 25N113W TO 28N115W TO
28N117W TO 26N119W TO 23N116W TO 23N113W TO 25N113W WINDS 20 TO
33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 27N114W TO 29N117W
TO 27N120W TO 18N118W TO 16N116W TO 20N111W TO 27N114W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW PRISCILLA NEAR 26.7N
115.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 27N113W
TO 26N116W TO 28N116W TO 27N118W TO 25N117W TO 25N114W TO
27N113W WINDS 20 TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW PRISCILLA NEAR 27.3N
114.8W. WITHIN 26N115W TO 27N116W TO 26N117W TO 25N117W TO
25N116W TO 25N115W TO 26N115W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL..
..TROPICAL STORM WARNING
.TROPICAL DEPRESSION SEVENTEEN-E NEAR 16.2N 100.8W 1004 MB AT
1500 UTC OCT 09 MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 17N99W TO 17N101W TO
17N102W TO 16N100W TO 16N99W TO 17N99W WINDS 20 TO 30 KT. SEAS TO
3 M. ELSEWHERE WITHIN 18N102W TO 19N104W TO 18N105W TO 15N104W
TO 15N102W TO 16N101W TO 18N102W NW WINDS 20 TO 30 KT. SEAS TO 3
M.
.12 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 16.8N 102.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 18.1N 105.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS TO 4 M OR GREATER WITHIN
90 NM NE SEMICIRCLE. ELSEWHERE WITHIN 18N103W TO 20N105W TO
19N107W TO 15N106W TO 15N104W TO 16N103W TO 18N103W WINDS 20 TO
33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 20N105W TO 20N108W
TO 11N110W TO 12N101W TO 14N99W TO 20N105W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 21.4N 109.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 0
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NE SEMICIRCLE
WITH SEAS TO 5 M. ELSEWHERE WITHIN 24N108W TO 24N111W TO 22N113W
TO 19N112W TO 19N105W TO 24N108W WINDS 20 TO 33 KT. SEAS 3 TO 4
M. REMAINDER OF AREA WITHIN 19N104W TO 18N110W TO 16N106W TO
17N105W TO 18N104W TO 19N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
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.
.POST-TROPICAL CYCLONE OCTAVE NEAR 17.7N 110.5W 1006 MB AT 1500
UTC OCT 09 MOVING ENE OR 065 DEG AT 15 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR GREATER WITHIN 30 NM NE AND
SW QUADRANTS...15 NM NW QUADRANT AND 60 NM SE QUADRANT WITH SEAS
TO 4.5 M. ELSEWHERE WITHIN 18N110W TO 18N111W TO 17N112W TO 16N112W TO 16N110W TO
18N110W SW TO W WINDS 20 TO 30 KT. SEAS 3 TO 4 M. REMAINDER OF
AREA WITHIN 20N107W TO 19N121W TO 12N117W TO 10N111W TO 14N106W TO
20N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
12 HOUR FORECAST
OCTAVE DISSIPATED.
.24 HOUR FORECAST WITHIN 17N109W TO 21N108W TO 20N111W TO
16N113W TO 15N116W TO 11N111W TO 17N109W NW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH T.D. SEVENTEEN-E.
.WITHIN 12N125W TO 13N128W TO 12N129W TO 10N129W TO 09N125W TO
10N124W TO 12N125W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 13N124W TO 12N127W TO 10N127W TO
10N125W TO 10N124W TO 13N124W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 06N84W TO 06N93W TO 08N104W TO 03N103W TO 02N95W TO
03N84W TO 06N84W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO
NW SWELL. ELSEWHERE WITHIN 00N119W TO 00N121W TO 01S120W TO
03.4S120W TO 03.4S115W TO 00N119W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 00N109W TO 02N113W TO 00N121W TO
03.4S120W TO 03.4S105W TO 00N109W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SW SWELL.
.48 HOUR FORECAST WITHIN 04N94W TO 06N102W TO 05N109W TO 03N109W
TO 02N104W TO 03N97W TO 04N94W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
14N94W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 14N93W TO 16N94W TO 16N95W TO 15N96W TO
13N95W TO 13N93W TO 14N93W...INCLUDING THE GULF OF
TEHUANTEPEC... NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST WITHIN 06N85W TO 05N88W TO 05N88W TO 04N87W TO
04N86W TO 04N85W TO 06N85W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 09N84W TO 08N86W TO 07N86W TO 06N86W TO
06N84W TO 07N82W TO 09N84W SW TO W WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M IN W TO NW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC THU OCT 9...
TROPICAL STORM PRISCILLA
NO SIGNIFICANT CONVECTION IS EVIDENT.
TROPICAL STORM OCTAVE
NO SIGNIFICANT CONVECTION IS EVIDENT.
TROPICAL DEPRESSION SEVENTEEN-E
NUMEROUS MODERATE TO STRONG
FROM 13N TO 18.5N BETWEEN 100W AND 105W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 11N85W TO 16N98W...THEN RESUMES SW OF
PRISCILLA NEAR 15N117W TO 10N134W. ITCZ FROM 10N134W TO BEYOND
09N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 05N TO 10N
BETWEEN 80W AND 90W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page