National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZPS40 PHFO 250258
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU APR 25 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 25 2024.
24 HOUR FORECAST VALID 0000 UTC APR 26 2024.
48 HOUR FORECAST VALID 0000 UTC APR 27 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 25S171E MOVING SE 15 KT. TROUGH FROM LOW TO 21S173E TO
14S164E MOVING SE SLOWLY. WINDS 20 TO 30 KT S OF 22S BETWEEN 166W
AND 170E. SEAS 8 TO 11 FT S OF LINE FROM 25S160W TO 22S166W TO
20S180W TO 21S168E. ISOLATED MODERATE TSTMS S OF 21S BETWEEN 178E
AND 173E.
.24 HOUR FORECAST LOW MOVED S OF AREA. TROUGH FROM 25S180E TO
21S179W TO 15S166E. WINDS DIMINISHED TO 20 KT OR LESS. SEAS 8 TO
10 FT S OF LINE FROM 25S147W TO 17S160W TO 20S169W.
.48 HOUR FORECAST TROUGH FROM 25S173W TO 20S177W. WINDS 20 TO 25
KT FROM 23S TO 20S BETWEEN 150W AND 158W. SEAS 8 TO 10 FT S OF
LINE FROM 25S138W TO 18S150W TO 18S160W.

.TROUGH FROM 10S170E TO 08S167E TO 06S160E MOVING W SLOWLY.
SCATTERED MODERATE TSTMS WITHIN 420 NM N OF TROUGH. ISOLATED
MODERATE TSTMS WITHIN 150 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 07S171E TO 07S160E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 23S151W TO 12S156W TO 09S162W TO 09S170W NEARLY
STATIONARY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT FROM 25S154W TO 22S160W TO 22S166W THENCE TROUGH TO 21S175W
TO 23S177E MOVING E 20 KT.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM FROM 25S142W TO
21S147W TO 20S154W TO 17S160W. SEE WINDS AND SEAS WITH FIRST LOW
ABOVE.
.48 HOUR FORECAST TROUGH FROM 25S135W TO 19S140W. SEE WINDS AND
SEAS WITH FIRST LOW ABOVE.

.48 HOUR FORECAST NEW FRONT FROM 25S163E TO 23S160E.

.WINDS 20 TO 25 KT S OF 22S E OF 128W.
.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

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

.SEAS 8 TO 9 FT S OF 23S E OF 127W.
.24 HOUR FORECAST SEAS DECREASED TO 8 FT OR LOWER.

.OTHERWISE SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

.SCATTERED MODERATE TSTMS FROM 02S TO 08S BETWEEN 176E AND 170E.
ISOLATED MODERATE TSTMS FROM 04S TO 10S BETWEEN 129W AND
158W...AND FROM 16S TO 12S BETWEEN 140W AND 144W....AND S OF 21S E
OF 125W.



$$

.FORECASTER TSAMOUS. HONOLULU HI.