811
FZPN03 KNHC 251525
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN OCT 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN OCT 25.
24 HOUR FORECAST VALID 1200 UTC MON OCT 26.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 27.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE VANCE NEAR 14.3N 103.8W 989 MB AT 1500 UTC OCT 25
MOVING NW OR 315 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS
80 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NW AND SE
QUADRANTS...130 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 4 M OR
GREATER WITHIN 210 NM W SEMICIRCLE...180 NM NE QUADRANT AND 135
NM SE QUADRANT WITH SEAS TO 9 M. ELSEWHERE WITHIN 16N100W TO
18N105W TO 15N107W TO 12N107W TO 11N102W TO 13N100W TO 16N100W
..INCLUDING NEAR CABO CORRIENTES
WINDS 20 TO 33 KT. SEAS 2.5
TO 4 M. REMAINDER OF AREA WITHIN 21N106W TO 18N113W TO 11N113W TO
06N107W TO 06N101W TO 12N96W TO 21N110W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM VANCE NEAR 14.5N 104.1W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.24 HOUR FORECAST TROPICAL STORM VANCE NEAR 15.0N 104.8W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...50 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 210 NM N SEMICIRCLE...AND 180 NM S
SEMICIRCLE WITH SEAS TO 8 M. ELSEWHERE WITHIN 17N101W TO 19N106W
TO 16N108W TO 14N108W TO 12N105W TO 14N102W TO 17N101W...INCLUDING
NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M.
REMAINDER OF AREA WITHIN 17N100W TO 21N109W TO 17N113W TO 14N112W
TO 10N105W TO 12N101W TO 17N100W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM VANCE NEAR 16.1N 105.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 150 NM OF CENTER WITH SEAS TO 6.5 M.
ELSEWHERE WITHIN 18N102W TO 20N105W TO 18N108W TO 15N108W TO
14N104W TO 15N102W TO 18N102W WINDS 20 TO 33 KT...INCLUDING NEAR
CABO CORRIENTES...SEAS 2.5 TO 4 M. REMAINDER OF AREA WITHIN
17N101W TO 20N109W TO 17N113W TO 13N111W TO 11N108W TO 12N102W TO
17N101W 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 16N94W TO 16N95W TO 15N95W TO 15N94W TO 16N94W
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT.
SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N94W TO 16N94W TO 16N95W
TO 15N97W TO 13N97W TO 14N94W TO 15N94W N TO NE WINDS 20 TO 30
KT. SEAS 2.5 TO 3 M.
18 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO 40 KT
AND
SEAS TO 4.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
48 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
.SYNOPSIS AND FORECAST.
.06 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA. WITHIN 30N139.5W
TO 30N140W TO 29N140W TO 29.5N139.5W TO 30N139.5W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN NW SWELL.
.24 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA WITHIN 30N139W TO
30N140W TO 28N140W TO 29N139W TO 30N139W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN NW SWELL.
48 HOUR FORECAST LITTLE CHANGE
EXCEPT SE TO S WINDS 20 TO 25
KT.
.36 HOUR FORECAST WITHIN 03S99W TO 02S120W TO 03S120W TO
03.4S99W TO 03S99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED
NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 01N105W TO 01S110W TO 00N118W TO
03.4S120W TO 03.4S98W TO 01N105W WINDS 20 KT OR LESS. SEAS 2.5 M
IN MIXED NE AND SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1515 UTC SUN OCT 25...
HURRICANE VANCE
NUMEROUS MODERATE ISOLATED STRONG WITHIN 180
NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE.
.SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 08N BETWEEN 78W
AND 81W.
SCATTERED MODERATE FROM 06N TO 11N BETWEEN 98W AND 107W
FROM
02N TO 05N BETWEEN 110W AND 115W AND FROM 13N TO 16N BETWEEN 121W
AND 124W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 09N88W TO 12.5N95W. IT
RESUMES SW OF VANCE AT 09N108W TO 06N119W TO 08N130W TO 06N140W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM S OF THE TROUGH
BETWEEN 86W AND 89W AND WITHIN 60 NM S OF THE TROUGH BETWEEN 82W
AND 83W. SCATTERED MODERATE WITHIN 120 NM S OF THE TROUGH BETWEEN
92W AND 95W...WITHIN 60 NM S OF THE TROUGH BETWEEN 112W AND
116W AND WITHIN 30 NM OF THE TROUGH BETWEEN 127W AND 130W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
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