283
FZPN03 KNHC 282038
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED OCT 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED OCT 28.
24 HOUR FORECAST VALID 1800 UTC THU OCT 29.
48 HOUR FORECAST VALID 1800 UTC FRI OCT 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION VANCE NEAR 20.1N 109.1W 1006 MB AT 2100 UTC
OCT 28 MOVING N OR 010 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT.  SEAS 4 M OR GREATER WITHIN 0 NM W
SEMICIRCLE...60 NM NE QUADRANT AND 45 NM SE QUADRANT WITH SEAS
TO 4.0 M. ELSEWHERE WITHIN 20N107W TO 21N108W TO 20N109W TO
20N108W TO 18N109W TO 19N107W TO 20N107W WINDS 20 TO 30 KT. SEAS
2.5 TO 4.0 M IN S SWELL. REMAINDER AREA WITHIN 22N108W TO
22N109W TO 20N110W TO 19N110W TO 18N108W TO 19N106W TO 22N108W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL VANCE NEAR 22.6N 108.5W. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 24N107W TO 24N108W TO
23N108W TO 22N108W TO 22N107W TO 23N106W TO 24N107W SE TO S WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 23N108W TO
24N107W TO 24N108W TO 23N109W TO 22N108W TO 23N108W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL VANCE NEAR 24.1N 108.3W. MAXIMUM
SUSTAINED WINDS 25 KT GUSTS 35 KT.
.48 HOUR FORECAST...DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M IN S TO SW SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.WITHIN 16N95W TO 16N96W TO 15N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 00N107W TO 03N122W TO 00N131W TO 01S120W TO 03.4S120W TO
03.4S106W TO 00N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
SWELL.
.24 HOUR FORECAST WITHIN 04N114W TO 02N128W TO 00N131W TO
01S120W TO 03.4S120W TO 03.4S106W TO 04N114W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 00N96W TO 03N104W TO 03N118W TO 00N127W
TO 03.4S120W TO 03.4S95W TO 00N96W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.

.WITHIN 30N133W TO 30N139W TO 28N137W TO 28N134W TO 29N133W TO
30N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.42 HOUR FORECAST WITHIN 12N87W TO 11N88W TO 10N88W TO 10N87W TO
10N85W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 12N87W TO 11N88W TO 10N88W TO 10N87W TO
10N85W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.

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

CONVECTION VALID AT 2030 UTC WED OCT 28...

.T.D. VANCE...NUMEROUS MODERATE TO STRONG WITHIN 240 NM IN THE
NE SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 04N98W TO 09N113W TO 07N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 10N BETWEEN 105W
AND 120W...FROM 00N TO 16N BETWEEN 120W AND 130W...AND FROM 00N
TO 10N BETWEEN 130W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.