494
FZPN03 KNHC 240246
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT OCT 24.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 25.
48 HOUR FORECAST VALID 0000 UTC MON OCT 26.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE VANCE NEAR 12.0N 102.6W 965 MB AT 0300 UTC OCT 24
MOVING NNW OR 345 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...180 NM SE QUADRANT...80 NM SW QUADRANT...AND 110 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM N SEMICIRCLE AND
210 NM S SEMICIRCLE WITH SEAS TO 10.5 M. ELSEWHERE WITHIN
15N99W TO 16N103W TO 14N106W TO 08N105W TO 07N100W TO 11N98W TO
15N99W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA
WITHIN 15N98W TO 17N105W TO 12N110W TO 06N106W TO 05N102W TO
09N98W TO 15N98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 13.8N 103.1W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...180 NM SE QUADRANT...80 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
240 NM NE AND SW QUADRANTS...210 NM SE QUADRANT...AND 270 NM NW
QUADRANT WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 17N100W TO 17N107W
TO 13N108W TO 10N106W TO 10N101W TO 12N99W TO 17N100W WINDS 20
TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 16N98W TO
20N106W TO 15N112W TO 06N108W TO 05N102W TO 08N99W TO 16N98W...
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 15.8N 103.8W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM E SEMICIRCLE...80 NM SW QUADRANT AND 100 NM NW
QUADRANT. SEAS 4 M OR GREATER OVER FORECAST WATERS WITHIN 210
NM E SEMICIRCLE...240 NM NW QUADRANT...AND 270 NM NW QUADRANT
WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 17N100W TO 20N106W 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 16N99W TO 22N109W TO 21N111W TO 14N114W
TO 08N108W TO 07N104W TO 16N99W 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 15N96W TO 15N95W TO 16N94W
..INCLUDING THE GULF OF TEHUANTEPEC
N TO NE WINDS 30 TO 35
KT. SEAS BUILDING TO 4.0 M. ELSEWHERE WITHIN 16N94W TO 15N98W TO
12N98W TO 12N96W TO 13N94W 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 LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.WITHIN 02S82W TO 02S85W TO 01S86W TO 03S93W TO 03.4S93W TO
03.4S81W TO 02S82W...INCLUDING NEAR THE GULF OF GUAYAQUIL...
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 19N132W TO 18N140W TO 12N140W TO 11N131W TO 13N125W TO
19N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 30N119.5W TO 30N125.5W TO 29.5N121W TO
30N119.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST FRONTAL SYSTEM W OF AREA. WITHIN 30N139W TO
30N140W TO 29N140W TO 29.5N139.5W TO 30N139W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0020 UTC SAT OCT 24...
HURRICANE VANCE
NUMEROUS MODERATE TO STRONG WITHIN 75 NM OF
CENTER...EXCEPT 60 NM NW QUADRANT. SCATTERED MODERATE ISOLATED
STRONG ELSEWHERE WITHIN 510 NM NE QUADRANT...360 NM S SEMICIRCLE
...AND 270 NM NW QUADRANT.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 11.5N73W TO SE OF VANCE AT 09N95W...THEN
RESUMES SW OF VANCE AT 08N105W TO 06N113W. ITCZ FROM 06N113W TO
07N118W TO 03N134W TO 05N140W. SCATTERED MODERATE ISOLATED STRONG
FROM 01S TO 08N BETWEEN 80W AND 91.5W...FROM 01N TO 05N BETWEEN
110W AND 115W...AND FROM 03N TO 08.5N BETWEEN 127W AND 138W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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