913  
FZPN03 KNHC 061627  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 UTC MON OCT 6 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 MON OCT 6.  
24 HOUR FORECAST VALID 1200 UTC TUE OCT 7.  
48 HOUR FORECAST VALID 1200 UTC WED OCT 8.  
 
.WARNINGS.  
   
..HURRICANE WARNING  
 
.HURRICANE PRISCILLA NEAR 17.5N 107.4W 973 MB AT 1500 UTC OCT 06  
MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 75 KT  
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE  
QUADRANT...140 NM SE QUADRANT...130 NM SW QUADRANT...AND 150 NM  
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE AND SW  
QUADRANTS...150 NM NW QUADRANT AND 360 NM SE QUADRANT WITH SEAS  
TO 5 M. ELSEWHERE WITHIN 21N105W TO 19N111W TO 16N112W TO  
13N109W TO 12N105W TO 15N104W TO 21N105W WINDS 20 TO 33 KT. SEAS  
3 TO 4 M. REMAINDER OF AREA WITHIN 16N100W TO 23N109W TO 19N114W  
TO 11N114W TO 09N102W TO 12N99W WINDS LESS THAN 20 KT. SEAS 2.5  
TO 3 M IN MIXED SWELL.  
.24 HOUR FORECAST HURRICANE PRISCILLA NEAR 19.3N 109.5W. MAXIMUM  
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS  
WITHIN 170 NM NE QUADRANT...130 NM SE QUADRANT...120 NM SW  
QUADRANT...AND 140 NM NW QUADRANT. SEAS 4 M OR GREATER 270 NM NE  
AND 240 SW SEMCIRCLES WITH SEAS TO 4.5 M. ELSEWHERE WITHIN  
21N105W TO 23N109W TO 22N113W TO 15N112W TO 14N110W TO 19N105W TO  
21N105W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA  
WITHIN 17N101W TO 25N108W TO 25N115W TO 22N116W TO 11N111W TO  
10N102W TO 17N101W WINDS 20 TO 33 KT. SEAS 2.5 TO 3 M IN MIXED  
SWELL.  
.48 HOUR FORECAST HURRICANE PRISCILLA NEAR 21.2N 112.3W. MAXIMUM  
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS  
WITHIN 120 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 110 NM  
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NW AND 180 SE  
SEMICIRCLES WITH SEAS TO 6 M. ELSEWHERE WITHIN 23N109W TO 24N114W  
TO 23N116W TO 20N116W TO 17N112W TO 20N108W TO 23N109W WINDS 20  
TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 23N106W TO  
26N109W TO 27N118W TO 21N120W TO 12N109W TO 14N104W TO 23N106W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.  
   
..TROPICAL STORM WARNING  
 
.TROPICAL STORM OCTAVE NEAR 16.3N 121.6W 995 MB AT 1500 UTC OCT  
06 MOVING E OR 085 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 55 KT  
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER  
EXCEPT 40 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 75 NM W  
SEMICIRCLE...45 NM NE QUADRANT AND 60 NM SE QUADRANT WITH SEAS  
TO 4 M. ELSEWHERE WITHIN 18N121W TO 18N124W TO 17N124W TO 15N123W TO 14N121W TO  
15N120W TO 18N121W WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF  
AREA WITHIN 15N118W TO 19N121W TO 18N126W TO 16N128W TO 11N124W TO  
12N119W TO 15N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED  
SWELL.  
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 15.7N 119.5W.  
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE  
WINDS WITHIN 30 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. WITHIN  
18N115W TO 19N119W TO 17N123W TO 14N123W TO 12N121W TO 12N114W  
WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M IN MIXED SWELL.  
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 15.6N 116.6W.  
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE  
WINDS WITHIN 0 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. WITHIN  
14N113W TO 17N117W TO 17N119W TO 14N121W TO 11N118W TO 12N112W TO  
14N113W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 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.  
 
.WITHIN 01S116W TO 01S120W TO 03.4S120W TO 03.4S103W TO 01S116W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
2.5 TO 3.0 M IN SE TO S SWELL.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 1500 UTC MON OCT 6...  
   
HURRICANE PRISCILLA  
NUMEROUS STRONG TO SCATTERED MODERATE TO  
270 NM TO THE NORTHWEST OF THE CENTER. MODERATE ALSO WITHIN 120  
NM TO THE SOUTHEAST OF THE CENTER.  
   
TROPICAL STORM OCTAVE  
SCATTERED MODERATE WITHIN 90 NM NE  
QUADRANT.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH EXTENDS FROM 10N86W TO 12N96W...THEN RESUMES SW  
OF OCTAVE FROM 12N125W TO 09N140W. SCATTERED MODERATE FROM 10N  
TO 12N BETWEEN 90W AND 98W.  
 
 
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.  
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