000
FZPN03 KNHC 281443
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED OCT 28.
24 HOUR FORECAST VALID 1200 UTC THU OCT 29.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 30.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM VANCE NEAR 19.2N 109.2W 1004 MB AT 1500 UTC OCT
28 MOVING NNW OR 340 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...80 NM NE QUADRANT AND 50 NM SE QUADRANT.  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 21N109W TO 19N110W TO 18N108W TO 19N107W TO 20N107W 
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA WITHIN 
20N106W TO 21N107W TO 21N109W TO 20N110W TO 19N110W TO 18N107W TO
20N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW VANCE NEAR 22.2N 
108.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR 
GREATER WITHIN 45 NM EAST OF CENTER WITH SEAS TO 4.0 M. ELSEWHERE
WITHIN 22N107W TO 23N108W TO 22N108W TO 21N108W TO 21N107W TO 
22N107W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER AREA 
WITHIN 22N108W TO 23N107W TO 23N108W TO 21N109W TO 20N108W TO 
21N106W TO 22N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN 
MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW VANCE NEAR 24.9N 
108.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N96W TO 14N96W TO 13N96W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N96W TO 13N96W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N96W TO 13N96W TO
13N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M.

.WITHIN 02N105W TO 03N111W TO 00N123W TO 03.4S120W TO 03S102W TO
02N105W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 04N115W TO 02N129W TO 00N129W TO
00N120W TO 03.4S120W TO 03.4S107W TO 04N115W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 02N103W TO 06N113W TO 06N116W TO
00N124W TO 03.4S120W TO 03.4S97W TO 02N103W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.WITHIN 30N134W TO 30N139W TO 28N138W TO 27N136W TO 29N134W TO
30N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 30N134W TO 30N139W TO 28N138W TO 
27N136W TO 29N134W TO 30N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 
3.0 M IN MIXED SWELL.
.30 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 1445 UTC WED OCT 28...

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

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 10N106W TO 07N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 03N TO 10N BETWEEN 105W AND 
115W...FROM 02N TO 17N BETWEEN 124W AND 130W...AND FROM 00N TO 
10N BETWEEN 130W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.