000
FZPN03 KNHC 220333
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU OCT 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 22.
24 HOUR FORECAST VALID 0000 UTC FRI OCT 23.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 24.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM VANCE NEAR 9.6N 100.7W 1003 MB AT 0300 UTC OCT
22 MOVING WNW OR 290 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE
AND 0 NM S SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 30 NM OF 
CENTER EXCEPT 0 NM SE QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN
10N99W TO 11N100W TO 10N102W TO 08N101W TO 08N99W TO 09N99W TO 
10N99W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
11N97W TO 13N101W TO 09N104W TO 08N104W TO 07N101W TO 08N98W TO 
11N97W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM VANCE NEAR 10.4N 102.1W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 110 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120 
NM OF CENTER WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 11N99W TO 
14N101W TO 13N104W TO 11N105W TO 08N104W TO 08N101W TO 11N99W 
WINDS 20 TO 33 KT. SEAS 4.0 TO 6.5 M. REMAINDER OF AREA WITHIN 
12N97W TO 15N102W TO 13N106W TO 09N106W TO 05N102W TO 06N99W TO 
12N97W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.36 HOUR FORECAST HURRICANE VANCE NEAR 10.9N 102.9W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.48 HOUR FORECAST HURRICANE VANCE NEAR 11.5N 103.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM NE QUADRANT...140 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210
NM OF CENTER...EXCEPT 240 NM NW QUADRANT WITH SEAS TO 10.0 M. 
ELSEWHERE WITHIN 15N100W TO 16N104W TO 11N106W TO 08N103W TO 
09N100W TO 11N99W TO 15N100W WINDS 20 TO 33 KT. SEAS 4.5 TO 8.0 
M. REMAINDER OF AREA WITHIN 15N98W TO 17N106W TO 14N110W TO 
10N110W TO 04N104W TO 08N98W TO 15N98W WINDS 20 KT OR LESS. SEAS 
2.5 TO 4.5 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 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N94W TO 16N96W TO 
15N96W TO 14N97W TO 14N96W TO 14N95W TO 15N94W NE WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M. REMAINDER OF AREA WITHIN 14N95W TO 14N97W
TO 15N97W TO 13N101W TO 12N100W TO 11N97W TO 14N95W WINDS 20 KT 
OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N97W TO 14N99W TO
12N98W TO 14N96W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. 
ELSEWHERE WITHIN 13N95W TO 15N96W TO 15N99W TO 13N102W TO 11N98W 
TO 11N97W TO 13N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE 
TO E SWELL. 
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N95W TO 
16N97W TO 15N98W TO 15N101W TO 12N97W TO 12N96W TO 15N95W E TO SE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. 
.36 HOUR FORECAST WITHIN 16N94W TO 15N98W TO 15N99W TO 13N97W TO
13N96W TO 14N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. 
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. 
ELSEWHERE WITHIN 15N94W TO 15N97W TO 14N98W TO 12N97W TO 13N95W 
TO 15N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30N120W TO 30N140W TO 23N140W TO 22N133W TO 27N122W TO
30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 26N121W TO 23N134W TO 23N140W TO
16N140W TO 16N128W TO 20N122W TO 26N121W 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.

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

CONVECTION VALID AT 0300 UTC THU OCT 22...

.T.S. VANCE...SCATTERED MODERATE TO STRONG FROM 02N TO 12N
BETWEEN 93W AND 106W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 09N94W...THEN RESUMES WEST OF T.S.
VANCE NEAR 06N105W TO 05N110W. ITCZ FROM 05N110W TO 06N140W. 
SCATTERED MODERATE FROM 00N TO 08N EAST OF 94W...AND SCATTERED 
MODERATE TO STRONG FROM 00N TO 14N AND W OF 118W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.