FZPS40 PHFO 261516

HSFSP 



HIGH SEAS FORECAST

NATIONAL WEATHER SERVICE HONOLULU HI

1730 UTC THU JUN 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.



THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE

HIGHER THAN 10-MINUTE AVERAGE WINDS.



SECURITE



SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E



SYNOPSIS VALID 1200 UTC JUN 26 2025.

24 HOUR FORECAST VALID 1200 UTC JUN 27 2025.

48 HOUR FORECAST VALID 1200 UTC JUN 28 2025.



.WARNINGS.



...GALE WARNING...

.TROUGH 25S163W 20S170W 10S175W 04S176E MOVING E SLOWLY S OF 15S 

AND W SLOWLY ELSEWHERE. WINDS 30 TO 45 KT S 21S BETWEEN 173W AND 

164W. WINDS 20 TO 30 KT ELSEWHERE S OF 17S BETWEEN 172E AND 143W. 

NUMEROUS STRONG TSTMS WITHIN 210 NM SW OF TROUGH W OF 177W... AND 

FROM 07S TO 03S BETWEEN 172E AND 180W. SCATTERED MODERATE TSTMS 

FROM 10S TO 04S BETWEEN 178W AND 174W... AND WITHIN 90 NM OF 

TROUGH BETWEEN 175W AND 172W... AND FROM 20S TO 16S BETWEEN 168W 

AND 163W. 

.24 HOUR FORECAST TROUGH 22S170W 21S175W 10S177W 03S168E. WINDS 

20 TO 30 KT S OF A LINE 20S180W 18S160W 20S135W.

.48 HOUR FORECAST TROUGH 18S172W 16S177W 05S167E. WINDS 20 TO 30 

KT 25S135W 14S160W 25S180W.



.SYNOPSIS AND FORECAST.



.FRONT 25S131W 23S135W THENCE TROUGH 22S140W 17S147W MOVING E 10 

KT. WINDS 20 TO 25 KT S OF FRONT AND TROUGH. 

.24 HOUR FORECAST FRONT 25S123W 21S131W THENCE TROUGH 19S140W. 

WINDS 20 TO 25 KT WITHIN 150 NM S OF FRONT AND TROUGH. 

.48 HOUR FORECAST FRONT MOVED E OF AREA. TROUGH 25S120W 20S130W. 

WINDS 20 TO 25 KT S OF TROUGH. 



.FRONT 25S167E 20S164E THENCE TROUGH 17S160E MOVING E 10 KT. 

.24 HOUR FORECAST FRONT MOVED S OF AREA. TROUGH 25S175E 12S160E. 

WINDS 20 TO 25 KT S OF TROUGH. 

.48 HOUR FORECAST TROUGH 25S178E 17S180E. WINDS 20 TO 25 KT S OF 

TROUGH. 



.48 HOUR FORECAST NEW TROUGH 20S135W 13S155W. 



.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.



.SEAS 5 TO 7 M S OF LINE 20S173W 25S161W. SEAS 4 TO 5 M ELSEWHERE

S OF 20S180W 17S160W 25S143W. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE

15S170W 10S167W 10S158W 25S140W... AND FROM 21S TO 10S E OF 127W.

.24 HOUR FORECAST SEAS 5 TO 7 M S OF 21S BETWEEN 173W AND 162W. 

SEAS 4 TO 5 M ELSEWHERE S OF 20S180W 17S155W 21S140W 25S132W. SEAS

2.5 TO 4 M ELSEWHERE S OF LINE 20S160E 15S180W 10S160W 20S140W 

25S128W.

.48 HOUR FORECAST SEAS 4 TO 6 M S OF LINE 25S180W 17S170W 20S130W

22S120W. SEAS 2.5 TO 4 M S OF 15S160E 10S150W 15S120W.



.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.



$$



.FORECASTER SHIGESATO. HONOLULU HI.

