The High Seas Forecast for the South Pacific

High Seas Forecast Issued: 03/26/2025 09:15:01 AM UTC
                        
982
FZPS40 PHFO 252315
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC TUE MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 MAR 25 2025.
24 HOUR FORECAST VALID 1800 UTC MAR 26 2025.
48 HOUR FORECAST VALID 1800 UTC MAR 27 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 16S161E 1007 MB MOVING SW SLOWLY. TROUGH 15S160E TO LOW TO
20S169E 21S177E 25S173W MOVING SW SLOWLY W OF 169E...AND NEARLY
E 10 KT ELSEWHERE. ISOLATED MODERATE TSTMS WITHIN 90 NM OF LOW
AND TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. NEW COLD FRONT 25S173W 21S178W
THENCE TROUGH TO 21S169E 17S160E.
.48 HOUR FORECAST COLD FRONT 25S171W 20S177W THENCE TROUGH TO
20S169E 18S160E.

.TROUGH 25S127W 18S137W 16S147W 16S150W 14S167W 05S175W 04S175E
MOVING E SLOWLY S OF 18S...SW 10 KT W OF 170W...AND NEARLY
STATIONARY ELSEWHERE. SCATTERED MODERATE TSTMS WITHIN 180 NM OF
TROUGH BETWEEN 140W AND 165W...AND 240 NM OF TROUGH W OF 169W.
ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH S OF 20S.
.24 HOUR FORECAST TROUGH 25S122W 18S134W 16S164W 07S175E.
.48 HOUR FORECAST TROUGH 24S120W 18S125W...AND FROM 18S172W
05S160E.

.SEAS 8 TO 10 FT S OF 10S E OF 130W...AND S OF 20S BETWEEN 130W
AND 160W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 23S E OF 140W.
.48 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.

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

.ISOLATED MODERATE TSTMS N OF 10S BETWEEN 150W AND 164W.

.ITCZ FROM 03S120W 02S126W 03S132W 07S140W 07S147W. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF ITCZ W OF 135W.

$$

.FORECASTER AHUE. HONOLULU HI.