FZPN03 KNHC 270917

HSFEP2



HIGH SEAS FORECAST

NWS NATIONAL HURRICANE CENTER MIAMI FL

1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON OCT 27.

24 HOUR FORECAST VALID 0600 UTC TUE OCT 28.

48 HOUR FORECAST VALID 0600 UTC WED OCT 29.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM SONIA NEAR 14.2N 120.6W 1004 MB AT 0900 UTC OCT

27 MOVING WNW OR 285 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...60 NM SE QUADRANT AND 30 

NM SW QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE WITHIN 15N118W TO

18N120W TO 17N122W TO 15N123W TO 13N121W TO 13N119W TO 15N118W 

WINDS 20 TO 33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 

30N116W TO 30N140W TO 05N140W TO 02N120W TO 07N100W 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 122.7W. 

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 

WINDS WITHIN 40 NM N SEMICIRCLE...20 NM SE QUADRANT AND 0 NM SW 

QUADRANT. SEAS TO 4 M WITHIN 75 NM OF CENTER EXCEPT 30 NM SW 

QUADRANT. ELSEWHERE WITHIN 17N122W TO 18N124W TO 16N125W TO 

14N123W TO 14N122W TO 15N121W TO 17N122W WINDS 20 TO 33 KT. SEAS 

3 TO 3.5 M. REMAINDER OF AREA WITHIN 30N116W TO 24N140W TO 

08N140W TO 00N109W TO 06N93W TO 11N102W TO 30N116W WINDS 20 KT OR

LESS. SEAS 2.5 TO 3.5 M IN PRIMARILY NW SWELL.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW SONIA NEAR 14.8N 

125.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 16N125W

TO 18N127W TO 17N128W TO 15N128W TO 14N127W TO 14N125W TO 

16N125W WINDS 20 TO 30 KT. SEAS 3 TO 3.5 M. ELSEWHERE WITHIN 

17N121W TO 21N124W TO 20N137W TO 17N137W TO 10N132W TO 10N124W TO

17N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 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.



.WITHIN 16N94W TO 16N95W TO 14N95W TO 14N94W TO

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

25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LITTLE CHANGE.

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

LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N95W TO 14N94W TO

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

25 KT. SEAS LESS THAN 2.5 M.



.48 HOUR FORECAST WITHIN 06N96W TO 10N100W TO 06N126W TO 00N134W

TO 03.4S120W TO 02N103W TO 06N96W WINDS 20 KT OR LESS. SEAS 2.5

TO 3.0 M IN NW SWELL.



.48 HOUR FORECAST WITHIN 30N118W TO 30N128W TO 27N126W TO

26N122W TO 28N118W TO 30N118W 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 0900 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 13N113W. MONSOON TROUGH FROM 12N124W

TO 11N135W. ITCZ FROM 11N135W TO BEYOND 11N140W. SCATTERED MODERATE

ISOLATED STRONG FROM 05N TO 13N E OF 114W...FROM 08N TO 13N BETWEEN

124W AND 133W.



$$

.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.