229
FZPN03 KNHC 271525
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON OCT 27.
24 HOUR FORECAST VALID 1200 UTC TUE OCT 28.
48 HOUR FORECAST VALID 1200 UTC WED OCT 29.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM SONIA NEAR 13.8N 121.1W 1004 MB AT 1500 UTC OCT 27
MOVING W OR 275 DEG AT 6 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 75 NM N
SEMICIRCLE...45 NM SE QUADRANT AND 30 NM SW QUADRANT WITH SEAS TO
4.5 M. ELSEWHERE WITHIN 120 NM N AND 75 NM S SEMICIRCLES OF CENTER
WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF THE AREA FROM 11N TO
17N BETWEEN 118W AND 124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
PRIMARILY IN NW SWELL.
.24 HOUR FORECAST TROPICAL STORM SONIA NEAR 14.1N 123.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 20 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 4 M
WITHIN 75 NM N SEMICIRCLE OF CENTER. ELSEWHERE WITHIN 120 NM N AND
75 NM S SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
REMAINDER OF THE AREA FROM 11N TO 17N BETWEEN 118W AND 126W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M PRIMARILY IN NW SWELL.
.36 HOUR FORECAST POST-TROPICAL SONIA NEAR 14.2N 124.9W. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SONIA NEAR 14.2N 126.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 90 NM N SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
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.
.ELSEWHERE N OF 08N AND W OF 115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN NW SWELL.
.24 HOUR FORECAST N OF 20N BETWEEN 113W AND 125W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN NW SWELL. ELSEWHERE FROM 09N TO 20N BETWEEN
113W AND 132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.
.48 HOUR FORECAST ELSEWHERE FROM 13N TO 17N BETWEEN 123W AND 128W
WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
N OF 14.5N BETWEEN 94.5W AND 95.5W
INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST S OF A LINE FROM 03.4S109W TO 00N120W TO 02N123W
TO 00N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M PRIMARILY IN SW
SWELL.
.48 HOUR FORECAST S OF A LINE FROM 03.4S108W TO 02N119W TO 02N125W
TO 00N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M PRIMARILY IN SW
SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC MON OCT 27...
T.S. SONIA
NUMEROUS MODERATE N OF CENTER FROM 15N TO 17N BETWEEN
119W AND 121W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM THE COAST OF COSTA RICA NEAR 10N85W
TO 11N95W TO 12N115W. THE MONSOON TROUGH CONTINUES SW OF SONIA FROM
12N124W TO 10N135W. THE ITCZ STRETCHES FROM 10N135W TO BEYOND
09N140W. ASIDE FOR THE CONVECTION ASSOCIATED WITH SONIA...SCATTERED
MODERATE TO ISOLATED STRONG CONVECTION IS PRESENT FROM 07N TO 12N E
OF 88W...INCLUDING PARTS OF THE GULF OF PANAMA. SIMILAR CONVECTIVE
ACTIVITY IS NOTED FROM 08N TO 11N BETWEEN 93W AND 108W...AND FROM
08N TO 11N W OF 124W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
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