The High Seas Forecast for the South Pacific

High Seas Forecast Issued: 04/29/2025 08:25:12 PM UTC
                        
325
FZPS40 PHFO 291025
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC TUE APR 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 29 2025.
24 HOUR FORECAST VALID 0600 UTC APR 30 2025.
48 HOUR FORECAST VALID 0600 UTC MAY 01 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S139W 21S142W THENCE TROUGH 17S150W 10S168W 02S179E
NEARLY STATIONARY. WINDS S OF 23S BETWEEN 138W AND 155W. SCATTERED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH 25S140W 158153W
11S170W 08S175E 09S177E 10S160E. WINDS EASED 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 25S140W 18S155W 10S177E 13S160E.

.TROUGH 12S168E 11S162E 09S160E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS FROM 14S TO 08S BETWEEN 168E AND 161E.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE.

.FRONT 25S176E 21S168E MOVING E 15 KT. ISOLATED MODERATE TSTMS S
OF 21S BETWEEN 175E AND 172E.
.24 HOUR FORECAST FRONT 25S173W 20S176E THENCE TROUGH 16S163E.
.48 HOUR FORECAST FRONT 25S171W 21S175E 18S166E. TROUGH
DISSIPATED.

.WINDS 20 TO 25 KT FROM 22S TO 17S BETWEEN 148W AND 168W...AND
FROM 16S TO 08S W OF 132W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 16S TO 04S E OF 140W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 19S 145W AND 160W.

.SEAS 8 TO 12 FT S OF LINE 25S127W 17S145W 09S150W 07S163W
25S175W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 25S129W 13S154W
15S163W 25S170W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 19S BETWEEN 140W AND 167W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ISOLATED MODERATE TSTMS FROM 05S TO 02S BETWEEN 137W AND
142W...AND FROM 05S TO 03S BETWEEN 158W AND 165W.


$$

.FORECASTER PIERCE. HONOLULU HI.