541
FZPN03 KNHC 151507
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED OCT 15 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 1200 UTC THU OCT 16.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 17.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
LOW PRES...INVEST EP91
NEAR 12.5N94.5W 1007 MB. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M.
24 HOUR FORECAST LOW PRES...INVEST EP91
NEAR 11.5N97.5W 1006
MB. WITHIN 11N95W TO 11N97W TO 09N98W TO 08N98W TO 08N97W TO
09N95W TO 11N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED
SWELL.
48 HOUR FORECAST LOW PRES...INVEST EP91
POSSIBLE TROPICAL
CYCLONE...NEAR 12.5N97.5W 1004 MB. WITHIN 11N95W TO 12N95W TO
13N96W TO 11N98W TO 09N98W TO 08N97W TO 11N95W WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.DISSIPATING COLD FRONT FROM 32.5N114.5W TO 25.5N123.5W TO
27.5N138W. WITHIN 30N119W TO 30N140W TO 28N139W TO 25N133W TO
27N122W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
TO N SWELL...EXCEPT N TO NE SWELL W OF 129W.
.24 HOUR FORECAST COLD FRONT DISSIPATED. FRONTAL TROUGH FROM
24N124W TO 23N130W TO 24.5N140W. WITHIN 26N115W TO 30N120W TO
28N127W TO 30N140W TO 13N140W TO 26N115W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF
129W.
.48 HOUR FORECAST FRONTAL TROUGH DISSIPATED. WITHIN 20N136W TO
30N137W TO 30N140W TO 11N140W TO 14N129W TO 16N129W TO 20N136W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED NE AND NW SWELL.
WITHIN 17N117W TO 17N118W TO 16N124W TO 14N124W TO 13N122W TO
14N118W TO 17N117W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N
SWELL.
.WITHIN 16N94W TO 16N95W TO 14N98W TO 13N98W TO 13N96W TO 14N95W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.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 1500 UTC WED OCT 15...
LOW PRES...INVEST EP91
SCATTERED MODERATE ISOLATED STRONG
WITHIN 180 NM NE SEMICIRCLE.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 11.5N86.5W TO LOW PRES...INVEST EP91...NEAR
12.5N94.5W TO 10N100W TO 12N110W TO 06N123W TO 11N140W. ISOLATED
TO WIDELY SCATTERED MODERATE FROM 02N TO 09N BETWEEN 77W AND
90.5W...AND FROM 05N TO 15N BETWEEN 96W AND 106W. SIMILAR
CONVECTION WITHIN 180 NM OF MEXICO BETWEEN 100W AND 106W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
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