000
FZPN03 KNHC 250306
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN OCT 25.
24 HOUR FORECAST VALID 0000 UTC MON OCT 26.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE VANCE NEAR 13.7N 103.4W 977 MB AT 0300 UTC OCT 25
MOVING NNW OR 340 DEG AT 4 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 10.0 M. ELSEWHERE WITHIN 17N99W TO 18N105W TO 
13N108W TO 10N106W TO 10N102W TO 12N99W TO 17N99W WINDS 20 TO 33
KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 16N97W TO 
20N110W TO 12N113W TO 05N106W TO 07N99W TO 12N95W TO 16N97W 
...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 15.1N 104.2W. 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 180 NM OF CENTER...EXCEPT 210 NM NW 
QUADRANT WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 17N100W TO 20N105W 
TO 18N108W TO 13N107W TO 12N103W TO 13N101W TO 17N100W... 
INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT. SEAS 2.5 TO 
4.0 M. REMAINDER OF AREA WITHIN 17N99W TO 21N106W TO 20N109W TO 
14N113W TO 07N104W TO 12N98W TO 17N99W WINDS 20 KT OR LESS. SEAS 
2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 16.1N 104.8W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 60 NM SW
QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN 180 NM
OF CENTER...EXCEPT 150 NM NE QUADRANT WITH SEAS TO 8.0 M. 
ELSEWHERE WITHIN 17N100W TO 20N105W TO 17N108W TO 15N108W TO 
13N105W TO 14N101W TO 17N100W...INCLUDING NEAR CABO CORRIENTES 
...WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
17N99W TO 21N109W TO 17N113W TO 12N111W TO 11N105W TO 13N101W TO
17N99W 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 16N96W TO 14N96W TO 14N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 25
TO 35 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE WITHIN 15N94W TO 16N94W 
TO 16N97W TO 14N97W TO 12N97W TO 13N95W TO 15N94W N TO NE WINDS 
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.18 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA. WITHIN 30N139.5W 
TO 30N140W TO 29N140W TO 29N139.5W TO 29.5N139.5W TO 30N139.5W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SW AND NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 30N138W TO 30N140W TO 27N140W TO 
28N139W TO 30N138W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SW AND NW SWELL.

.48 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA. WITHIN 03S115W TO 
02S117W TO 02S118W TO 03.4S120W TO 03.4S115W TO 03S115W WINDS 20 
KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SW AND NW SWELL.

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

CONVECTION VALID AT 0040 UTC SUN OCT 25...

.HURRICANE VANCE...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10.5N75W TO SE OF VANCE NEAR 11N98W...THEN 
RESUMES SW OF VANCE FROM 07N113W TO 05N136W. ISOLATED TO WIDELY
SCATTERED MODERATE TO ISOLATED STRONG FROM 00N TO 09N BETWEEN 
77W AND 92W. SIMILAR CONVECTION IN A BAND ASSOCIATED WITH VANCE 
WITHIN 03N117W TO 13N110W TO 15N101W TO 17N101W TO 14N94W TO 
11N95W TO 03N117W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.