FZPN03 KNHC 250909

HSFEP2



HIGH SEAS FORECAST

NWS NATIONAL HURRICANE CENTER MIAMI FL

1030 UTC SAT OCT 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT OCT 25.

24 HOUR FORECAST VALID 0600 UTC SUN OCT 26.

48 HOUR FORECAST VALID 0600 UTC MON OCT 27.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM SONIA NEAR 13.3N 117.6W 1006 MB AT 0900 UTC OCT

25 MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM N

SEMICIRCLE...20 NM SE QUADRANT AND 0 NM SW QUADRANT. SEAS TO 4 M

WITHIN 30 NM N SEMICIRCLE. ELSEWHERE WITHIN 14N116W TO 14N117W 

TO 14N118W TO 13N118W TO 12N117W TO 13N116W TO 14N116W WINDS 20 

TO 33 KT. SEAS 3 TO 3.5 M. REMAINDER OF AREA WITHIN 18N115W TO 

19N120W TO 08N130W TO 06N126W TO 07N114W TO 10N109W TO 18N115W 

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

.24 HOUR FORECAST TROPICAL STORM SONIA NEAR 13.4N 119.5W. 

MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 

WINDS WITHIN 50 NM N SEMICIRCLE...40 NM SE QUADRANT AND 20 NM SW 

QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM N SEMICIRCLE WITH SEAS

TO 4.5 M. ELSEWHERE WITHIN 15N120W TO 14N121W TO 12N120W TO 

14N120W TO 12N119W TO 13N118W TO 15N120W WINDS 20 TO 33 KT. SEAS 

3 TO 4 M. REMAINDER OF AREA WITHIN 30N116W TO 30N140W TO 09N140W 

TO 05N128W TO 10N114W TO 30N116W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.5 M IN NW SWELL.

.48 HOUR FORECAST TROPICAL STORM SONIA NEAR 14.1N 121.0W. 

MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 

WINDS WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW 

QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 

NM N SEMICIRCLE AND 30 NM S SEMICIRCLE OF CENTER WITH SEAS TO 5 

M. ELSEWHERE WITHIN 15N121W TO 16N122W TO 14N123W TO 13N122W TO 

14N120W TO 15N121W WINDS 20 TO 33 KT. SEAS 3 TO 4.5 M. REMAINDER 

OF AREA WITHIN 30N116W TO 30N140W TO 04N140W TO 02N118W TO 07N96W

TO 12N105W TO 30N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 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.



.WITHIN 29N115W TO 30N140W TO 09N140W TO 09N131W TO 20N117W TO

29N115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW SWELL.

.24 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE AS DESCRIBED 

ABOVE IN ASSOCIATION WITH TROPICAL STORM SONIA.



.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N94W

TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25

KT. SEAS LESS THAN 2.5 M.

.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 

LESS THAN 2.5 M. 

.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO

15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N 

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



.24 HOUR FORECAST WITHIN 03S108W TO 02S112W TO 02S116W TO

03S118W TO 03.4S118W TO 03.4S107W TO 03S108W WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL.

.48 HOUR FORECAST WITHIN 02S102W TO 01S115W TO 01S120W TO

03.4S120W TO 03.4S100W TO 02S102W WINDS 20 KT OR LESS. SEAS 2.5

TO 3.0 M IN W SWELL.



.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.



CONVECTION VALID AT 0900 UTC SAT OCT 25...



.T.S. SONIA...NUMEROUS MODERATE SCATTERED STRONG FROM 11N TO 17N

BETWEEN 114W AND 119W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N84W TO 09N129W. ITCZ FROM 09N129W TO 

BEYOND 06N140W. SCATTERED MODERATE FROM 06N TO 15N BETWEEN 95W 

AND 113W.



$$

.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.