861
FZPN03 KNHC 240843
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT OCT 24.
24 HOUR FORECAST VALID 0600 UTC SUN OCT 25.
48 HOUR FORECAST VALID 0600 UTC MON OCT 26.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE VANCE NEAR 12.4N 102.8W 965 MB AT 0900 UTC OCT 24
MOVING NNW OR 335 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 95 KT
GUSTS 115 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 240 NM N SEMICIRCLE AND 210 NM S SEMICIRCLE
WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 16N99W TO 17N104W TO
14N107W TO 12N107W TO 09N104W TO 10N99W TO 16N99W WINDS 20 TO 33
KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 13N96W TO
17N100W TO 18N106W TO 11N110W TO 06N106W TO 07N99W TO 13N96W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED.
.24 HOUR FORECAST HURRICANE VANCE NEAR 14.3N 103.4W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...130 NM SE QUADRANT...80 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 210 NM E SEMICIRCLE AND 270 NM W
SEMICIRCLE WITH SEAS TO 11.0 M. ELSEWHERE WITHIN 17N99W TO
18N102W TO 18N106W TO 11N106W TO 11N102W TO 13N99W TO 17N99W
WINDS 20 TO 3 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
13N96W TO 21N106W TO 19N111W TO 13N113W TO 06N107W TO 06N102W TO
13N96W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED.
.48 HOUR FORECAST HURRICANE VANCE NEAR 15.9N 104.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 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 E SEMICIRCLE...AND 240 NM W
SEMICIRCLE WITH SEAS TO 10.0 M. ELSEWHERE WITHIN 17N100W TO
20N105W TO 17N108W TO 14N108W TO 12N104W 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 23N109W TO
17N114W TO 11N111W TO 08N105W TO 13N98W TO 16N99W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.5 M IN MIXED.
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 3.0 TO 4.0 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 LITTLE CHANGE.
.SYNOPSIS AND FORECAST.
.WITHIN 15N125W TO 15N129W TO 18N131W TO 11N136W TO 10N131W TO
11N127W TO 15N125W 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.
.WITHIN 01S83W TO 02S85W TO 00N86W TO 01S89W TO 03.4S88W TO
03.4S81W TO 01S83W...INCLUDING NEAR THE ENTRANCE TO THE GULF OF
GUAYAQUIL...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.06 HOUR FORECAST WITHIN 30N119.5W TO 30N125W TO 29.5N123.5W TO
29.5N121W TO 30N119.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
NW TO N SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.36 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA. WITHIN 29.5N139W
TO 30N139W TO 30N140W TO 29N140W TO 29N139.5W TO 29.5N139.5W TO
29.5N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0730 UTC SAT OCT 24...
HURRICANE VANCE
NUMEROUS MODERATE TO STRONG WITHIN 75 NM OF
CENTER...EXCEPT 60 NM NW QUADRANT. SCATTERED MODERATE ISOLATED
STRONG ALSO WITHIN 420 NM NE QUADRANT...ELSEWHERE BETWEEN 180
NM AND 570 NM SE SEMICIRCLE...90 NM W QUADRANT...AND 180 NM
ELSEWHERE NW QUADRANT.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N74W TO 07N90W TO 09N99W...RESUMES FROM
09N104W TO 06N117W TO 08N124W TO 03N138W. ITCZ FROM 03N138W TO
04N140W. SCATTERED MODERATE ISOLATED STRONG FROM 00N TO 07N
BETWEEN 80W AND 94W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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