665 
FZPN03 KNHC 220915
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU OCT 22.
24 HOUR FORECAST VALID 0600 UTC FRI OCT 23.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 24.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM VANCE NEAR 9.7N 101.5W 1000 MB AT 0900 UTC OCT
22 MOVING W OR 275 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW
QUADRANT. SEAS TO 4 M WITHIN 60 NM N SEMICIRCLE AND 0 NM S 
SEMICIRCLE. ELSEWHERE WITHIN 10N99W TO 11N101W TO 11N102W TO 
08N102W TO 08N100W TO 09N99W TO 10N99W WINDS 20 TO 33 KT. SEAS 
2.5 TO 3.5 M. REMAINDER OF AREA WITHIN 11N97W TO 13N101W TO 
11N103W TO 08N104W TO 06N101W TO 07N98W TO 11N97W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE VANCE NEAR 10.5N 102.8W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210
NM N SEMICIRCLE...AND 120 NM S SEMICIRCLE WITH SEAS TO 8.0 M. 
ELSEWHERE WITHIN 11N99W TO 14N102W TO 13N105W TO 10N106W TO 
08N103W TO 08N101W TO 11N99W WINDS 20 TO 33 KT. SEAS 5.0 TO 7.0 
M. REMAINDER OF AREA WITHIN 12N97W TO 15N101W TO 11N108W TO 
06N105W TO 05N101W TO 08N98W TO 12N97W WINDS 20 KT OR LESS. SEAS 
2.5 TO 4.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE VANCE NEAR 11.8N 103.9W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 160 NM NE QUADRANT...130 NM SE QUADRANT...110 NM SW 
QUADRANT...AND 120 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 300
NM N SEMICIRCLE AND 210 NM S SEMICIRCLE WITH SEAS TO 10.0 M. 
ELSEWHERE WITHIN 15N100W TO 16N105W TO 13N107W TO 11N106W TO 
09N101W TO 11N100W TO 15N100W WINDS 20 TO 33 KT. SEAS 5.5 TO 8.0
M. REMAINDER OF AREA WITHIN 15N98W TO 18N106W TO 13N112W TO 
04N104W TO 04N101W TO 08N98W TO 15N98W WINDS 20 KT OR LESS. SEAS 
2.5 TO 5.5 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 M. ELSEWHERE WITHIN 15N94W TO 16N96W TO 13N100W TO 
12N100W TO 11N97W TO 13N96W TO 15N94W NE TO E WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M.
.06 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.
.18 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 M. ELSEWHERE WITHIN 15N95W TO 15N96W 
TO 15N98W TO 15N101W TO 12N97W TO 12N96W TO 15N95W E TO SE WINDS 
20 TO 30 KT. SEAS 2.5 TO 3.5 M IN NE TO E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 16N94W TO 15N100W TO 14N100W TO 13N99W 
TO 12N97W TO 14N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N94W TO 
14N96W TO 15N96W TO 15N98W TO 13N97W TO 14N95W TO 15N94W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30N119W TO 30N140W TO 21N140W TO 22N127W TO 30N119W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N SWELL.
.24 HOUR FORECAST WITHIN 20N120W TO 23N123W TO 20N135W TO
20N140W TO 15N140W TO 16N129W TO 20N120W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN 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 0900 UTC THU OCT 22...

.T.S. VANCE...SCATTERED MODERATE TO STRONG FROM 04N TO 15N
BETWEEN 94W AND 106W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 10N96W. IT RESUMES WEST OF T.S. 
VANCE NEAR 06N104W TO 04N115W. ITCZ FROM 04N115W TO 06N140W. 
SCATTERED MODERATE FROM 05N TO 11N BETWEEN 94W AND 97W...AND 
FROM 00N TO 13N AND W OF 121W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.