373  
FZPN03 KNHC 242055  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC SAT OCT 24 2026  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 SAT OCT 24.  
24 HOUR FORECAST VALID 1800 UTC SUN OCT 25.  
48 HOUR FORECAST VALID 1800 UTC MON OCT 26.  
 
.WARNINGS.  
   
..HURRICANE WARNING
 
 
.HURRICANE VANCE NEAR 13.3N 103.3W 977 MB AT 2100 UTC OCT 24  
MOVING NNW OR 340 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 80 KT  
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NW AND SE  
QUADRANTS...130 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 4 M  
OR GREATER WITHIN 210 NM OF CENTER EXCEPT 180 NM NW QUADRANT WITH  
SEAS TO 10.5 M. ELSEWHERE WITHIN 16N99W TO 17N104W TO 14N107W TO  
12N107W TO 09N104W TO 10N99W TO 16N99W WINDS 20 TO 33 KT. SEAS 3  
TO 5 M. REMAINDER OF AREA WITHIN 13N96W TO 17N100W TO 18N106W TO  
11N110W TO 06N106W TO 07N99W TO 13N96W WINDS 20 KT OR LESS...EXCEPT  
S TO SW 20 TO 25 KT WINDS FROM 06N TO 09N BETWEEN 99W AND 103W.  
SEAS 2.5 TO 3.5 M IN MIXED SWELL.  
.24 HOUR FORECAST HURRICANE NEAR 14.9N 104.0W. MAXIMUM SUSTAINED  
WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 120  
NM NE QUADRANT...100 NM SE QUADRANT...70 NM SW QUADRANT...AND 110  
NM NW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN  
210 NM OF CENTER...EXCEPT 240 NM NW QUADRANT WITH SEAS TO 9 M.  
ELSEWHERE WITHIN 17N99W TO 18N102W TO 18N106W TO 11N106W TO  
11N102W TO 13N99W TO 17N99W WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M.  
REMAINDER OF AREA WITHIN 13N96W TO 21N112W TO 11N111W TO 06N108W  
TO 07N101W TO 13N96W...INCLUDING NEAR CABO CORRIENTES...WINDS 20  
KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.  
.48 HOUR FORECAST HURRICANE VANCE NEAR 16.0N 104.6W. MAXIMUM  
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS  
WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 70 NM  
SW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN 180  
NM E SEMICIRCLE AND 240 NM W SEMICIRCLE WITH SEAS TO 9.5 M.  
ELSEWHERE WITHIN 17N101W TO 20N106W TO 17N109W TO 14N108W TO  
12.5N104W TO 13N101W TO 17N101W...INCLUDING NEAR CABO  
CORRIENTES...WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. REMAINDER OF  
AREA WITHIN 15N99W TO 21N112W TO 15N113W TO 11N111W TO 10N105W TO  
12N100W TO 15N99W 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.  
   
..GALE WARNING
 
 
.WITHIN 15N95W TO 16N95W TO 15N96W TO 14N96W TO 14N95W TO  
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO  
35 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO  
16N98W TO 13N97W TO 13N96W TO 15N94W TO 16N94W N TO NE WINDS 20  
TO 30 KT. SEAS 2.5 TO 3.5 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 14N96W TO  
14N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 25 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 15N94W TO  
16N95W TO 16N97W TO 13N97W TO 13N96W TO 15N94W N TO NE WINDS 20  
TO 25 KT. SEAS 2.5 TO 3.5 M.  
 
.SYNOPSIS AND FORECAST.  
 
.24 HOUR FORECAST WARM FRONT TO EXTEND SE TO NEAR 29N139W.  
WITHIN 29.5N139W TO 30N139W TO 30N140W TO 29N140W TO 29N139.5W  
TO 29.5N139W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.  
.48 HOUR FORECAST WARM FRONT FROM 29N138W TO 30N140W. LITTLE  
CHANGE...EXCEPT SE TO S WINDS 20 TO 25 KT.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 2045 UTC SAT OCT 24...  
   
HURRICANE VANCE
 
NUMEROUS MODERATE TO STRONG WITHIN 150 NM N  
SEMICIRCLE AND 60 NM S SEMICIRCLE.  
 
.SCATTERED MODERATE ISOLATED STRONG FROM 10N TO 14N BETWEEN 96.5W  
AND 100W AND FROM 05N TO 08N BETWEEN 100W AND 105W.  
 
.SCATTERED MODERATE FROM 00N TO 05N BETWEEN 78W AND 81W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH AXIS EXTENDS FROM 08N80W TO 07N82W TO 11N93.5W TO  
12N98W. IT RESUMES AT 06N114W TO 06N120W TO 02N140W. SCATTERED  
MODERATE ISOLATED STRONG FROM 01N TO 08N BETWEEN 81W AND 95W.  
SCATTERED MODERATE WITHIN 30 NM OF LINE FROM 06N107W TO 05N110W  
TO 04N115W.  
 

 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.  
 
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