818
FZPN03 KNHC 270333
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON OCT 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON OCT 27.
24 HOUR FORECAST VALID 0000 UTC TUE OCT 28.
48 HOUR FORECAST VALID 0000 UTC WED OCT 29.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM SONIA NEAR 14.1N 120.0W 1004 MB AT 0300 UTC OCT
27 MOVING WNW OR 295 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM N SEMICIRCLE...30
NM SE QUADRANT AND 10 NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN
60 NM OF CENTER EXCEPT 30 NM SW QUADRANT WITH SEAS TO 4.5 M.
ELSEWHERE WITHIN 15N119W TO 16N120W TO 14N121W TO 14N120W TO
13N119W TO 14N119W TO 15N119W WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
REMAINDER OF AREA WITHIN 30N116W TO 30N140W TO 07N140W TO 05N127W
TO 09N104W TO 12N111W TO 30N116W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.5 M IN PRIMARILY NW SWELL.
.24 HOUR FORECAST TROPICAL STORM SONIA NEAR 14.6N 121.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM N SEMICIRCLE...10 NM SE QUADRANT AND 0 NM SW
QUADRANT. SEAS TO 4 M WITHIN 60 NM OF CENTER EXCEPT 30 NM SW
QUADRANT. ELSEWHERE WITHIN 15N121W TO 17N122W TO 17N123W TO
15N124W TO 14N123W TO 13N122W TO 15N121W WINDS 20 TO 33 KT. SEAS
3 TO 3.5 M. REMAINDER OF AREA WITHIN 15N106W TO 30N116W TO
27N140W TO 06N140W TO 01N110W TO 04N91W TO 15N106W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN PRIMARILY NW SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SONIA NEAR 14.8N
124.7W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 15N124W
TO 16N125W TO 16N126W TO 14N126W TO 14N124W TO 15N124W WINDS 20
TO 30 KT. SEAS 3 TO 3.5 M. ELSEWHERE WITHIN 21N122W TO 20N135W TO
15N135W TO 09N127W TO 16N120W TO 21N122W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 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.
.03 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 07N93W TO 11N108W TO 00N135W TO
03.4S120W TO 03.4S102W TO 01N104W TO 07N93W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N117W TO 23N119W TO 15N117W TO
17N110W TO 20N110W TO 30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0300 UTC MON OCT 27...
T.S. SONIA
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM N
SEMICIRCLE.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
MONSOON TROUGH FROM 12N86W TO 15N115W. MONSOON TROUGH FROM
12N122W TO BEYOND 08N140W. SCATTERED MODERATE ISOLATED STRONG
FROM 06N TO 13N E OF 89W...FROM 08N TO 13N BETWEEN 107W AND
113W.
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
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