018
FZPN03 KNHC 252058
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN OCT 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN OCT 25.
24 HOUR FORECAST VALID 1800 UTC MON OCT 26.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 27.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM VANCE NEAR 14.9N 104.2W 994 MB AT 2100 UTC OCT
25 MOVING NNW OR 330 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 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 8.5 M. ELSEWHERE WITHIN 16N100W TO 18N105W TO 15N107W TO
12N107W TO 11N102W TO 13N100W TO 16N100W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 TO 33 KT. SEAS 2.5 TO 4 M. REMAINDER OF
AREA WITHIN 21N110W TO 17N113W TO 10N111W TO 06N108W TO 06N101W
TO 12N96W TO 21N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM VANCE NEAR 15.4N 105.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER OVER
FORECAST WATERS WITHIN 210 NM N SEMICIRCLE...AND 180 NM S
SEMICIRCLE WITH SEAS TO 7.5 M. ELSEWHERE WITHIN 17N101W TO
19N106W TO 16N108W TO 14N108W TO 12N105W TO 14N102W TO
17N101W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.
SEAS 2.5 TO 4 M. REMAINDER OF AREA WITHIN 17N100W TO 21N109W TO
17N113W TO 14N112W TO 10N105W TO 12N101W TO 17N100W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM VANCE NEAR 16.9N 106.6W.
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 120 NM OF CENTER WITH
SEAS TO 6 M. ELSEWHERE WITHIN 17N103W TO 19N106W TO 18N108W TO
16N108W TO 15N104W TO 15N102W TO 17N103W WINDS 20 TO 33
KT...INCLUDING NEAR CABO CORRIENTES...SEAS 2.5 TO 4 M. REMAINDER
OF AREA WITHIN 17N101W TO 20N109W TO 17N113W TO 13N111W TO
11N108W TO 12N102W TO 17N101W 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 15N95W TO 16N95W TO 16N95.5W TO 15N96W TO 14N97W TO
14N96W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 25 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N94W TO
16N94W TO 16N95W TO 15N98W TO 13N98W TO 13N96W TO 14N94W TO
15N94W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
12 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS 30 TO 40 KT
AND
SEAS TO 5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96.5W
TO 14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 15N94W TO
16N95W TO 15N96W TO 14N100W TO 12N98W TO 12N95W TO 15N94W WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 16N95W TO 16N95.5W TO 15N96W TO
14N96.5W TO 15N95W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. WITHIN
14N96.5W TO 14N97W TO 13N96W TO 13.5N95W TO 14N96.5W WINDS 20 KT
OR LESS. SEAS 2.5 M IN NE SWELL.
.SYNOPSIS AND FORECAST.
.12 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA. WITHIN 30N139.5W
TO 30N140W TO 29N140W TO 29.5N139.5W TO 30N139.5W WINDS 20 KT OR
LESS. SEAS TO 2.5 M IN NW SWELL.
.24 HOUR FORECAST FRONTAL SYSTEM WNW OF AREA. WITHIN 30N139W TO
30N140W TO 27N140W TO 29N139.5W TO 30N139W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN NW SWELL.
.48 HOUR FORECAST WARM FRONT FROM 30N140W TO 29N138W. WITHIN
30N138W TO 30N140W TO 28N140W TO 29N138W TO 30N138W SE TO S
WINDS 20 TO 25 KT OR LESS. SEAS 2.5 M.
.30 HOUR FORECAST WITHIN 03.4S99W TO 01N110W TO 02S121W TO
03.4S120W TO 03.4S110W TO 03.4S99W WINDS 20 KT OR LESS. SEAS 2.5
TO 3 M IN MIXED NE AND SW SWELL.
.48 HOUR FORECAST WITHIN 01S109W TO 01N117W TO 03.4S120W TO
03.4S110W TO 03.4S102W TO 01S109W WINDS 20 KT OR LESS. SEAS 2.5
TO 3 M IN MIXED NE AND SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2045 UTC SUN OCT 25...
TROPICAL STORM VANCE
NUMEROUS MODERATE ISOLATED STRONG FROM
15N TO 17N BETWEEN 103W AND 106W. SCATTERED MODERATE WITHIN 30 NM
OF LINE FROM 14N103W TO 14N104W TO 14N106W.
.NUMEROUS MODERATE TO STRONG FROM 03N TO 08N BETWEEN 78W AND
81W.
.SCATTERED MODERATE TO STRONG FROM 07N TO 11N BETWEEN 100W AND
102W.
.SCATTERED MODERATE WITHIN 60 NM OF 13N122W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH AXIS EXTENDS FROM 08N82W TO 05N93W TO 09N99W. IT
RESUMES WELL TO THE SW OF VANCE AT 08N113W TO 06N123W TO LOW PRES
NEAR 08N131W 1011 MB AND TO 08N140W. SCATTERED MODERATE ISOLATED
STRONG WITHIN 120 NM EITHER SIDE OF THE TROUGH BETWEEN 93W AND
98W AND WITHIN 60 NM N OF THE TROUGH BETWEEN 87W AND 93W. SCATTERED
MODERATE WITHIN 120 NM N OF THE TROUGH BETWEEN 138W AND 140W AND
WITHIN 60 NM S OF THE TROUGH BETWEEN 128W AND 130W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
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