192  
FZPN03 KNHC 032116  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC FRI OCT 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1800 UTC FRI OCT 03.  
24 HOUR FORECAST VALID 1800 UTC SAT OCT 04.  
48 HOUR FORECAST VALID 1800 UTC SUN OCT 05.  
 
.WARNINGS.  
   
..TROPICAL STORM WARNING
 
 
.TROPICAL STORM OCTAVE NEAR 13.7N 121.7W 1000 MB AT 2100 UTC OCT 03  
MOVING WNW OR 290 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS  
60 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE...40 NM  
SE QUADRANT AND 0 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 75 NM  
NW AND SE QUADRANTS...90 NM NE QUADRANT AND 45 NM SW QUADRANT WITH  
SEAS TO 5 M. ELSEWHERE WITHIN 150 NM N SEMICIRCLE...120 NM SE  
QUADRANT AND 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 3 TO 4 FT.  
REMAINDER OF THE AREA FROM 09N TO 16N BETWEEN 115W AND 120W...AND  
FROM 10N TO 20N BETWEEN 120W AND 124W WINDS 20 KT OR LESS. SEAS 2.5  
TO 3 M IN MIXED SWELL.  
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 14.7N 123.7W.  
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE  
WINDS WITHIN 60 NM N SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW  
QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM OF CENTER...EXCEPT 60 NM  
SW QUADRANT WITH SEAS TO 6 M. ELSEWHERE WITHIN 180 NM N  
SEMICIRCLE...150 NM SE QUADRANT AND 90 NM SW QUADRANT WINDS 20 TO 33  
KT. SEAS 3 TO 4 FT. REMAINDER OF THE AREA FROM 09N TO 20N BETWEEN  
118W AND 128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.  
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 15.6N 123.8W.  
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE  
WINDS WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW  
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM  
OF CENTER...EXCEPT 60 NM SW QUADRANT WITH SEAS TO 6 M. ELSEWHERE  
WITHIN 180 NM OF CENTER...EXCEPT 120 NM SW QUADRANT WINDS 20 TO 33  
KT. SEAS 3 TO 4 FT. REMAINDER OF THE AREA FROM 09N TO 20N BETWEEN  
120W AND 130W 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.  
   
..GALE WARNING
 
 
.LOW PRES NEAR 13N104.5W 1007 MB. FROM 14N TO 16N BETWEEN 97W AND  
105W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 M. FROM 09N TO 12N BETWEEN  
101W AND 108W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.   
24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
NEAR  
14.5N106W 1004 MB. WITHIN 60 NM E SEMICIRCLE AND 45 NM W SEMICIRCLE  
WINDS 30 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 180 N AND 210 S  
SEMICIRCLES WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.    
48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
NEAR  
15N106.5W 1000 MB. WITHIN 150 NM E SEMICIRCLE AND 120 NM W  
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 210 N  
AND 240 S SEMICIRCLES WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.  
 
.SYNOPSIS AND FORECAST.  
 
.N OF 25N E OF 117W NW WINDS 20 TO 25 KT. SEAS 2.5 M. ELSEWHERE N OF  
23N BETWEEN 115W AND 122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN  
NW SWELL.   
24 HOUR FORECAST FROM 21N TO 27N BETWEEN 113W AND 120W
 
AND N OF  
27N BETWEEN 117W AND 122W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW  
SWELL.  
.48 HOUR FORECAST FROM 21N TO 24N BETWEEN 113W AND 115W WINDS 20 KT  
OR LESS. SEAS TO 2.5 M IN NW SWELL.  
   
N OF 14.5N BETWEEN 94.5W AND 96W
 
INCLUDING THE GULF OF  
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.30 HOUR FORECAST 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 2100 UTC FRI OCT 3...  
   
T.S. OCTAVE
 
NUMEROUS MODERATE TO STRONG WITHIN 120 NM SW  
SEMICIRCLE.  
   
LOW PRES NEAR 13N104.5W (EP99)
 
NUMEROUS MODERATE TO STRONG  
CONVECTION IS NOTED FROM 14N TO 16N BETWEEN 105W AND 108W. SCATTERED  
MODERATE TO ISOLATED STRONG CONVECTION IS OBSERVED ELSEWHERE FROM  
12N TO 16N BETWEEN 100W AND 110W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 11N85W TO A 1007 MB LOW PRES LOCATED  
NEAR 13N104.5W...THEN RESUMES SW OF TROPICAL STORM OCTAVE FROM  
11N123W TO 08N132W. THE ITCZ CONTINUES FROM 08N132W TO BEYOND  
09N140W. ASIDE FROM THE CONVECTION ASSOCIATED WITH OCTAVE AND THE  
LOW PRESSURE, SCATTERED MODERATE TO ISOLATED STRONG CONVECTION CAN  
BE FOUND FROM 04N TO 10N E OF 88W TO THE COAST OF COLOMBIA...FROM  
08N TO 14N BETWEEN 92W AND 100W...AND FROM 19N TO 22N BETWEEN 105W  
AND 108W.  
 

 
.FORECASTER GR. NATIONAL HURRICANE CENTER.  
 
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