The High Seas Forecast for the South Pacific

High Seas Forecast Issued: 11/05/2025 07:40:37 AM UTC
                        
069
FZPS40 PHFO 042140
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC TUE NOV 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 04 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 05 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 20S179W 1009 MB MOVING SSE 10 KT. TROUGH FROM LOW TO
17S180W 16S177E NEARLY STATIONARY. SCATTERED MODERATE TSTMS IN
AREA BOUNDED BY 13S177E 18S171W 25S175W 24S180W 13S177E.
.24 HOUR FORECAST LOW 24S174W 1006 MB. TROUGH FROM LOW TO 17S178E.
WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M S OF 23S BETWEEN 170W AND
178W.
.48 HOUR FORECAST LOW MOVED S OF AREA. TROUGH 25S158W 22S160W.
ASSOCIATED WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO LESS
THAN 2.5 M.

.TROUGH 25S172E 17S166E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 25S173E 19S170E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 25S132W 20S137W MOVING SW SLOWLY.
.24 HOUR FORECAST TROUGH MOVED S OF AREA.

.TROUGH 11S170E 06S160E MOVING WSW SLOWLY. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 240 NM N AND 120 NM S OF TROUGH...AND WITHIN
90 NM OF LINE 07S180W 06S175E.
.24 HOUR FORECAST TROUGH 16S175E 15S170E 07S160E.
.48 HOUR FORECAST TROUGH 19S170E 08S162E.

.TROUGH 13S156W 08S169W MOVING WSW 15 KT. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 14S170W 10S178W.
.48 HOUR FORECAST TROUGH 16S175W 11S180W.

.24 HOUR FORECAST NEW WEAK FRONT 25S162E 23S160E.
.48 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 TO 25 KT N OF 05S BETWEEN 145W AND 162W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 05S BETWEEN 145W AND 160W.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3.5 M S OF LINE 25S125W 12S150W 12S167W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M S OF 05S E OF 135W. SEAS 2.5 TO
3 M S OF 20S BETWEEN 135W AND 160W...AND N OF 06S BETWEEN 145W AND
165W.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF 03S E OF 136W. SEAS 2.5
TO 3 M N OF 06S BETWEEN 145W AND 160W.

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

$$

.FORECASTER WROE. HONOLULU HI.