536
FZPN03 KNHC 230910
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI OCT 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 23.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 24.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 25.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE VANCE NEAR 10.9N 102.1W 982 MB AT 0900 UTC OCT 23
MOVING NNW OR 330 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...180 NM SE QUADRANT...50 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM N SEMICIRCLE
...135 NM SE QUADRANT AND 120 NM SW QUADRANT WITH SEAS TO 8.0 M.
ELSEWHERE WITHIN 14N98W TO 14N103W TO 12N105W TO 09N106W TO
07N104W TO 08N99W TO 14N98W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
REMAINDER OF AREA WITHIN 14N97W TO 15N102W TO 13N106W TO 08N107W
TO 05N103W TO 06N100W TO 14N97W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 12.4N 103.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...190 NM SE QUADRANT...70 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
210 NM OF CENTER WITH SEAS TO 10.0 M. ELSEWHERE WITHIN 13N99W TO
16N100W TO 17N104W TO 13N108W TO 08N104W TO 09N100W TO 13N99W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
13N96W TO 18N103W TO 16N109W TO 13N111W TO 05N106W TO 05N102W TO
13N96W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 14.5N 103.8W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...170 NM SE QUADRANT...70 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 240 NM OF CENTER...EXCEPT 270 NM NW
QUADRANT WITH SEAS TO 12.0 M. ELSEWHERE WITHIN 17N99W TO 18N105W
TO 14N108W TO 11N106W TO 10N102W TO 13N99W TO 17N99W WINDS 20 TO
33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 14N97W TO
21N107W TO 20N111W TO 13N114W TO 06N107W TO 08N100W TO 14N97W
..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 16N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 35 KT. SEAS 2.5 TO 4.0 M.
12 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
18 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS TO GALE FORCE.
.24 HOUR FORECAST LITTLE CHANGE.
30 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.SYNOPSIS AND FORECAST.
.WITHIN 20N120W TO 23N123W TO 21N130W TO 22N140W TO 14N140W TO
16N127W TO 20N120W 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.
.WITHIN 02S82W TO 03S84W TO 03S87W TO 03.4S88W TO 03S84W TO
03.4S81W TO 02S82W...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.
.24 HOUR FORECAST WITHIN 02S81W TO 02S85W TO 01S86W TO 02S89W TO
03.4S89W TO 03.4S80W TO 02S81W...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.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 30N120W TO 30N125W TO 29.5N124W TO
29N122W TO 29N121W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0750 UTC FRI OCT 23...
HURRICANE VANCE
NUMEROUS MODERATE TO STRONG WITHIN 180 NM E
SEMICIRCLE...AND 150 NM W SEMICIRCLE. NUMEROUS MODERATE ISOLATED
STRONG ELSEWHERE WITHIN 480 NM E SEMICIRCLE...AND 210 NM W
SEMICIRCLE.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N75W TO 08N91W TO SE OF VANCE AT 09N98W.
ITCZ FROM SW OF VANCE AT 08N110W TO 02N140W. SCATTERED MODERATE
ISOLATED STRONG ROM 01N TO 09N BETWEEN 80W AND 86W,...AND FROM
00N TO 07N BETWEEN 124W AND 136W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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