The High Seas Forecast for the South Pacific

High Seas Forecast Issued: 05/01/2025 08:06:18 AM UTC
                        
135
FZPS40 PHFO 302206
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED APR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 30 2025.
24 HOUR FORECAST VALID 1800 UTC MAY 01 2025.
48 HOUR FORECAST VALID 1800 UTC MAY 02 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 25S139W 16S157W 07S170W 04S172E MOVING E SLOWLY S OF 20S.
TROUGH MOVING W SLOWLY ELSEWHERE. WINDS 20 TO 25 KT S OF TROUGH
BETWEEN 143W AND 160W. SCATTERED MODERATE TSTMS WITHIN 150 NM W OF
TROUGH... AND WITHIN 360 NM E OF TROUGH W OF 150W.
.24 HOUR FORECAST TROUGH 25S130W 20S155W 08S162W 04S178E. WINDS
20 TO 25 KT S OF LINE 25S139W 20S150W 21S156W.
.48 HOUR FORECAST TROUGH 25S128W 22S147W 09S157W 08S166W.
WINDS 20 TO 25 KT S OF 22S BETWEEN 137W AND 156W.

.TROUGH 25S171W 20S180W 19S171E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS S OF 23S BETWEEN TROUGH AND 166W.
.24 HOUR FORECAST TROUGH 25S174W 20S180E.
.48 HOUR FORECAST TROUGH 25S173W 20S180E.

.48 HOUR FORECAST SE WINDS 20 TO 25 KT S OF 13S W OF 170E.

.SEAS 8 TO 9 FT S OF LINE 06S120W 16S142W 16S163W...AND N OF 04S
BETWEEN 145W AND 151W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF LINE 08S120W 13S133W
18S140W 18S163W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF A LINE 25S178E 15S160E.
SEAS 8 TO 10 FT S OF 20S BETWEEN 123W AND 154W.

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

.SCATTERED MODERATE TSTMS FROM 05S TO 02S BETWEEN 142W AND
148W...AND FROM 20S TO 14S BETWEEN 172W AND 168W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.