000
FZPN03 KNHC 291601
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 29.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 30.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 31.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM VANCE NEAR 21.6N 108.8W 1004 MB AT 1500 UTC OCT
29 MOVING N OR 350 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E
SEMICIRCLE AND 0 NM W SEMICIRCLE.  SEAS 4 M OR GREATER WITHIN 60
NM NE QUADRANT...45 NM SE QUADRANT...0 NM SW QUADRANT...AND 30
NM NW QUADRANT WITH SEAS TO 4 M. ELSEWHERE WITHIN 22N106W TO 
25N109W TO 22N112W TO 20N110W TO 20N107W TO 22N106W...INCLUDING 
NEAR CABO CORRIENTES AND THE GULF OF CALIFORNIA AND WITHIN 60 NM 
OF SHORE... E WINDS 20 TO 33 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW VANCE NEAR 22.9N 
108.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER WATER... 
CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST...DISSIPATED.

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

.WITHIN 03N114W TO 05N126W TO 00N130W TO 00N120W TO 03.4S120W TO
03.4S108W TO 03N114W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 03N105W TO 07N114W TO 05N125W TO
00N129W TO 03.4S120W TO 03.4S98W TO 03N105W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 01N93W TO 02N98W TO 01N114W TO
03.4S120W TO 03.4S87W TO 01N93W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SW SWELL.

.24 HOUR FORECAST WITHIN 12N86W TO 11N88W TO 10N89W TO 10N88W TO
10N86W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1500 UTC THU OCT 29...

.TROPICAL STORM VANCE...SCATTERED MODERATE TO ISOLATED STRONG 
CONVECTION IS OCCURRING FROM 20N-25N EAST OF 115W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM COASTAL COSTA RICA NEAR 10N83W
TO 03N100W TO BEYOND 07N140W. SCATTERED MODERATE AND ISOLATED
STRONG CONVECTION IS NOTED FROM 02S-07N EAST OF 83W AND SOUTH OF
10N WEST OF 118W. SCATTERED MODERATE CONVECTION IS ALSO OCCURRING
FROM 03N-07N BETWEEN 95W-115W.


$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.