326
FZPN03 KNHC 250839
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN OCT 25.
24 HOUR FORECAST VALID 0600 UTC MON OCT 26.
48 HOUR FORECAST VALID 0600 UTC TUE OCT 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE VANCE NEAR 14.3N 103.4W 980 MB AT 0900 UTC OCT 25
MOVING NNW OR 340 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...110 NM SE QUADRANT...70 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN 210
NM OF CENTER EXCEPT 180 NM NW QUADRANT WITH SEAS TO 9.5 M.
ELSEWHERE WITHIN 17N100W TO 18N105W TO 17N107W TO 13N108W TO
11N102W TO 12N100W TO 17N100W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 21N106W TO 18N113W TO 11N113W TO
06N107W TO 06N101W TO 12N96W TO 21N106W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 15.4N 104.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 210 NM N SEMICIRCLE...AND 180 NM S
SEMICIRCLE WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 17N100W TO
20N106W TO 17N108W TO 14N108W TO 12N105W TO 14N100W TO 17N100W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
17N100W TO 21N107W TO 18N113W TO 14N113W TO 09N105W TO 13N97W TO
17N100W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM VANCE NEAR 16.3N 105.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 40
NM SW QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN
150 NM OF CENTER WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 18N102W TO
20N105W TO 18N108W TO 15N108W TO 14N104W TO 15N102W TO 18N102W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
17N101W TO 20N107W TO 17N113W TO 13N110W TO 11N107W TO 12N102W TO
17N101W...INCLUDING NEAR CABO CORRIENTES...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 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO 40 KT...AND
SEAS TO 4.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.12 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 3.0 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 3.0 M IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.42 HOUR FORECAST WITHIN 03S99W TO 02S120W TO 03S120W TO
03.4S99W TO 03S99W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 01S107W TO 01S112W TO 02S120W TO
03.4S120W TO 03.4S100W TO 01S107W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN MIXED NE AND SW SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0600 UTC SUN OCT 25...

.HURRICANE VANCE...NUMEROUS MODERATE TO STRONG WITHIN 150 NM NE
SEMICIRCLE...AND 75 NM SW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 13N74W IN THE CARIBBEAN SEA TO ACROSS PANAMA
AT 08N81W TO 10N96W SE OF HURRICANE VANCE. IT RESUMES SW OF
VANCE FROM 08N113W TO 05N135W. ITCZ FROM 05N135W TO 07N140W.
ISOLATED TO WIDELY SCATTERED MODERATE TO ISOLATED STRONG FROM
03.4S TO 10N BETWEEN 77W AND 85W...FROM 03N TO 10N BETWEEN 85W
AND 93W...FROM 03N TO 15N BETWEEN 93W AND 98W...WITHIN 04N118W TO
13N99W TO 07N99W TO 02N118W TO 04N118W...FROM 10N TO 12N BETWEEN
111W AND 115W...AND FROM 12N TO 15N BETWEEN 121W AND 123W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.