718
FZPN03 KNHC 262129
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON OCT 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON OCT 26.
24 HOUR FORECAST VALID 1800 UTC TUE OCT 27.
48 HOUR FORECAST VALID 1800 UTC WED OCT 28.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM VANCE NEAR 15.4N 106.1W 997 MB AT 2100 UTC OCT
26 MOVING W OR 280 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE...70 NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 150 NM NE QUADRANT...90 NM SE QUADRANT...120 NM
SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 7 M. ELSEWHERE
WITHIN 17N103W TO 18N107W TO 16N108W TO 14N106W TO 14N104W TO
17N103W WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. REMAINDER OF AREA
WITHIN 20N107W TO 21N109W TO 15N113W TO 10N108W TO 09N104W TO
14N98W TO 20N107W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM VANCE NEAR 16.7N 107.9W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 30
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM N SEMICIRCLE...AND
60 NM S SEMICIRCLE WITH SEAS TO 5 M. ELSEWHERE WITHIN 18N105W TO
19N107W TO 18N109W TO 16N108W TO 15N107W TO 18N105W WINDS 20 TO
33 KT. SEAS 2.5 TO 4 M. REMAINDER OF AREA WITHIN 17N104W TO
20N109W TO 17N114W TO 14N112W TO 14N106W TO 15N104W TO
17N104W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM VANCE NEAR 19.8N 108.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 0
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NE QUADRANT...
60 NM SE AND NW QUADRANTS AND 30 NM SW QUADRANT WITH SEAS TO 4.5
M. ELSEWHERE WITHIN 19N105W TO 22N109W TO 20N109W TO 19N110W TO
18.5N105W TO 19N105W...INCLUDING NEAR CABO CORRIENTES...WINDS 20
TO 33 KT. SEAS 2.5 TO 3.5 M. REMAINDER OF AREA WITHIN 18N102W TO
21N106W TO 20N110W TO 16N109W TO 14N106W TO 16N103W TO 18N102W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 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.
.SYNOPSIS AND FORECAST.
.WITHIN 15N94W TO 16N95W TO 16N96W TO 15N96W TO 13N97W TO 14N95W
TO 15N94W...INCLUDING IN THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N94W TO
16N96W TO 14N98W TO 13N98W TO 12N97W TO 13N94W TO 16N94W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 15N96W TO 14N96W TO
13N96W TO 15N94W TO 16N94W...INCLUDING IN THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 M.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.WARM FRONT FROM 30N139W TO 28N138W. WITHIN 30N139W TO 30N140W
TO 28N140W TO 29N139W TO 30N139W SE TO S WINDS 20 TO 25 KT. SEAS
2.5 TO 3 M.
.24 HOUR FORECAST WARM FRONT FROM 29N140W TO 24N138W. WITHIN
30N137W TO 30N140W TO 28N140W TO 28N139W TO 29N137W TO 30N137W SE
TO S WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WARM FRONT FROM 30N138.5W TO 28N137W. WITHIN
30N136W TO 30N138W TO 28N138W TO 28N137W TO 29N139W TO 30N136W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
.WITHIN 02S103W TO 00N110W TO 02S120W TO 03.4S110W TO 03.4S103W
TO 02SW103W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED NE AND SW
SWELL.
.24 HOUR FORECAST WITHIN 03.45S100W TO 01S106W TO 02S113W TO
00N117W TO 03.4S120W TO 03.4S100W WINDS 20 KT OR LESS. SEAS 2.5 M
IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 02S106W TO OON115W TO 00N127W TO
03.4S120W TO 03.4S109W TO 02S106W WINDS 20 KT OR LESS. SEAS 2.5
TO 3 M PRIMARILY IN S TO SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2115 UTC MON OCT 26...
TROPICAL STORM VANCE
NUMEROUS STRONG WITHIN 150 NM N AND 30 NM
S SEMICIRCLES OF CENTER.
.SCATTERED MODERATE FROM 03N TO 08N BETWEEN 103W AND 108W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH AXIS EXTENDS FROM 08N82W TO 06N90W TO 12N100W. IT
RESUMES WELL SW OF VANCE AT 09.5N110W TO 06N121W TO LOW PRES NEAR
07.5N133W 1012 MB TO 07N140W. SCATTERED MODERATE ISOLATED STRONG
FROM 03S TO 06N BETWEEN 80W AND 86W...FROM 02N TO 07N BETWEEN
96W AND 100W...WITHIN 120 NM S OF THE TROUGH BETWEEN 131W AND
135W AND WITHIN 60 NM N OF THE TROUGH BETWEEN 133W AND 135W.
SCATTERED MODERATE WITHIN 60 NM EITHER SIDE OF THE TROUGH BETWEEN
120W AND 122W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
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