386
FZPN03 KNHC 230242
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 23.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 24.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 25.
.WARNINGS.
..HURRICANE WARNING
.TROPICAL STORM VANCE NEAR 10.5N 101.9W 991 MB AT 0300 UTC OCT
23 MOVING NW OR 325 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE
QUADRANT...70 NM SE QUADRANT...30 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE AND 105
NM S SEMICIRCLE WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 13N99W TO
14N103W TO 11N105W TO 09N105W TO 07N104W TO 08N99W TO 13N99W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
14N95W TO 15N102W TO 13N105W TO 09N107W TO 05N103W TO 05N100W TO
14N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE VANCE NEAR 10.9N 102.2W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.24 HOUR FORECAST HURRICANE VANCE NEAR 11.7N 102.8W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM E SEMICIRCLE...70 NM SW QUADRANT AND 110 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM OF CENTER WITH SEAS
TO 8.5 M. ELSEWHERE WITHIN 13N98W TO 16N100W TO 15N106W TO
11N107W TO 08N102W TO 09N99W TO 13N98W WINDS 20 TO 33 KT. SEAS
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 13N97W TO 15N98W TO
17N105W TO 12N110W TO 05N106W TO 05N101W TO 13N97W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 13.6N 103.5W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT...140 NM SE QUADRANT...90 NM SW
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN
240 NM OF CENTER WITH SEAS TO 9.5 M. ELSEWHERE WITHIN 17N101W TO
17N104W TO 16N107W TO 11N107W TO 10N103W TO 12N99W TO 17N101W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN
14N95W TO 19N105W TO 17N111W TO 12N112W TO 05N106W TO 08N99W TO
14N95W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
..GALE WARNING
.WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO 15N94W TO 16N94W
..INCLUDING THE GULF OF TEHUANTEPEC
N TO NE WINDS 20 TO 35
KT. SEAS 2.5 TO 3.5 M.
18 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
24 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS TO GALE FORCE.
39 HOUR FORECAST LITTLE CHANGE
EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W
TO 14N95W TO 15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0M.
.SYNOPSIS AND FORECAST.
.WITHIN 26N121W TO 23N133W TO 24N140W TO 16N140W TO 18N126W TO
21N121W TO 26N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.24 HOUR FORECAST WITHIN 17N121W TO 17N134W TO 18N140W TO
13N140W TO 12N129W TO 15N122W TO 17N121W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.12 HOUR FORECAST WITHIN 02S81W TO 02S83W TO 03S84W TO 02S86W TO
03.4S88W TO 03.4S80W TO 02S81W...INCLUDING NEAR THE GULF OF
GUAYAQUIL...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M IN S TO SW SWELL.
.30 HOUR FORECAST WITHIN 30N118.5W TO 30N126W TO 29N123W TO
29.5N120.5W TO 30N118.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NW TO N SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0140 UTC FRI OCT 23...
HURRICANE VANCE
NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE
WITHIN 450 NM E SEMICIRCLE...240 NM SW QUADRANT...AND 180 NM NW
QUADRANT.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 11N75W TO 07N87W TO 10N95W. ITCZ SW OF VANCE
AT 05N111W TO 03.5N117W TO 05N140W. SCATTERED MODERATE ISOLATED
STRONG FROM 06N TO 09N BETWEEN 82W AND 85W...AND FROM 00N TO 06N
BETWEEN 122W AND 140W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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