FZPN03 KNHC 272122

HSFEP2



HIGH SEAS FORECAST

NWS NATIONAL HURRICANE CENTER MIAMI FL

2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON OCT 27.

24 HOUR FORECAST VALID 1800 UTC TUE OCT 28.

48 HOUR FORECAST VALID 1800 UTC WED OCT 29.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM SONIA NEAR 14.1N 121.6W 1005 MB AT 2100 UTC OCT 27 

MOVING W OR 275 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 

KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N SEMICIRCLE...20 NM SE 

QUADRANT AND 10 NM SW QUADRANT.  SEAS 4 M OR GREATER WITHIN 60 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. 

.12 HOUR FORECAST TROPICAL DEPRESSION SONIA NEAR 14.2N 122.5W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.24 HOUR FORECAST POST-TROPICAL REMNANT LOW SONIA NEAR 14.5N 124.0W. 

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM N 

SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.

.36 HOUR FORECAST POST-TROPICAL SONIA NEAR 14.7N 125.7W. MAXIMUM 

SUSTAINED WINDS 25 KT GUSTS 35 KT.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SONIA NEAR 14.6N 127.6W. 

MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. FROM 14N TO 16N BETWEEN 

125W AND 128W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW 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.



.N OF 20N BETWEEN 115W AND 134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M 

IN NW SWELL. ELSEWHERE FROM 08N TO 20N BETWEEN 110W AND 135W WINDS 

20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.

.24 HOUR FORECAST N OF 26N BETWEEN 118W AND 125W WINDS 20 KT OR 

LESS. SEAS 2.5 TO 3 M IN NW SWELL. ELSEWHERE FROM 10N TO 19N BETWEEN 

120W AND 132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL. FROM 

15N TO 22N BETWEEN 112W AND 120W WINDS 20 KT OR LESS. SEAS 2.5 M IN 

NW SWELL.

.48 HOUR FORECAST CONDITIONS MERGED.



.N OF 14N BETWEEN 94.5W AND 95.5W...INCLUDING THE GULF OF 

TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.12 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.



.36 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.

.42 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.

.48 HOUR FORECAST S OF A LINE FROM 03.4S104W TO 03N112W TO 03N120W 

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 2100 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 11N85W 

TO 11N95W TO 12N113W. THEN...IT CONTINUES SW OF TROPICAL STORM SONIA 

FROM 12N123W TO 09N140W. ASIDE FOR THE CONVECTION ASSOCIATED WITH 

SONIA...SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS PRESENT 

FROM 07N TO 12N BETWEEN 80W AND 90W...AND FROM 08N TO 10N BETWEEN 

95W AND 104W. SIMILAR CONVECTIVE ACTIVITY IS NOTED FROM 08N TO 11N W 

OF 136W. 



$$

.FORECASTER GR. NATIONAL HURRICANE CENTER.