210
FZPN03 KNHC 260303
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON OCT 26.
24 HOUR FORECAST VALID 0000 UTC TUE OCT 27.
48 HOUR FORECAST VALID 0000 UTC WED OCT 28.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM VANCE NEAR 15.0N 104.7W 995 MB AT 0300 UTC OCT
26 MOVING NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 130 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE AND SW QUADRANTS
...150 NM NW QUADRANT AND 120 NM SE QUADRANT WITH SEAS TO 7.5 M.
ELSEWHERE WITHIN 17N100W TO 19N104W TO 18N107W TO 14N108W TO
12N107W TO 13N100W TO 17N100W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 16N99W TO 21N106W TO 16N113W TO
10N110W TO 07N104W TO 11N99W TO 16N99W...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 15.7N 106.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 120
NM N SEMICIRCLE...AND 90 NM S SEMICIRCLE WITH SEAS TO 6.0 M.
ELSEWHERE WITHIN 18N102W TO 20N105W TO 19N108W TO 14N108W TO
13N104W TO 14N102W TO 18N102W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M. REMAINDER OF AREA WITHIN 17N101W TO 20N106W TO 17N113W TO
12N110W TO 11N105W TO 14N101W TO 17N101W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.48 HOUR FORECAST TROPICAL STORM VANCE NEAR 17.4N 107.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 75 NM N SEMICIRCLE...
AND 45 NM S SEMICIRCLE WITH SEAS TO 5.0 M. ELSEWHERE WITHIN
18N103W TO 20N106W TO 20N108W TO 16N108W TO 15N105W TO 16N104W TO
18N103W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.
SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 18N102W TO 20N107W TO
19N110W TO 16N111W TO 14N108W TO 15N103W TO 18N102W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 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 16N95W TO 16N96W TO 15N96W TO 15N95W TO 16N95W
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT...
INCREASING TO 40 KT. SEAS 2.5 TO 3.5 M...BUILDING TO 4.0 M.
ELSEWHERE WITHIN 16N94W TO 16N96W TO 14N97W TO 14N95W TO 15N94W
TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. REMAINDER
OF AREA WITHIN 14N95W TO 15N97W TO 15N99W TO 12N99W TO 12N97W
TO 13N95W TO 14N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
TO NE SWELL.
.18 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N97W TO 14N96W TO
13N95W TO 14N95W TO 16N94W...INCLUDING 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 13N99W TO 12N97W TO 12N96W TO 14N94W TO
16N94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.WARM FRONT W OF AREA. WITHIN 30N139W TO 30N140W TO 29N140W TO
29.5N139.5W TO 30N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SW AND NW SWELL.
.24 HOUR FORECAST WARM FRONT NEARING 140W FROM W. WITHIN
30N139W TO 30N140W TO 29N140W TO 29.5N139W TO 30N139W SE TO S
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 30N138W
TO 30N139W TO 29N140W TO 27N140W TO 28N139W TO 30N138W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST WARM FRONT FROM 30N139W TO 26.5N139W. WITHIN
30N137W TO 30N139W TO 29N139W TO 29N137W TO 30N137W SE TO S WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO
10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 03S111W TO 02S113W TO 03S115W TO
02S120W TO 03.4S120W TO 03.4S99W TO 03S111W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 01N104W TO 01N116W TO 03.4S120W TO
03.4S103W TO 01N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED NE AND SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0100 UTC MON OCT 26...
TROPICAL STORM VANCE
NUMEROUS MODERATE TO STRONG WITHIN 150
NM NE SEMICIRCLE...AND 45 NM SW SEMICIRCLE.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 10N75W TO ACROSS PANAMA TO 07.5N88W TO SE OF
TROPICAL STORM VANCE NEAR 09N100W...THEN RESUMES WELL SW OF
VANCE AT 08N111W TO 09N128W TO 1007 MB LOW PRES NEAR 08N130W TO
05N140W. SCATTERED MODERATE ISOLATED STRONG FROM 00N TO 13N
BETWEEN 77W AND 103W. ISOLATED TO WIDELY SCATTERED MODERATE
FROM 03N TO 09N BETWEEN 128W AND 134W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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