National Weather Service National Headquarters

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

000
FZPS40 PHFO 162254
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC TUE APR 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 16 2024.
24 HOUR FORECAST VALID 1800 UTC APR 17 2024.
48 HOUR FORECAST VALID 1800 UTC APR 18 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 20S120W TO 16S130W TO 15S142W NEARLY STATIONARY AND
WEAKENING. E TO SE WINDS 20 TO 25 KT S OF A LINE FROM 22S120W TO
17S133W TO 18S154W.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 19S125W TO
16S130E. E TO SE WINDS 20 TO 25 KT S OF A LINE FROM 20S120W TO
17S141W.
.48 HOUR FORECAST TROUGH FROM 20S126W TO 16S130W.

.FRONT FROM 25S168W TO 23S171W MOVING SE SLOWLY.
.24 HOUR FORECAST FRONT MOVED S OF AREA.

.TROUGH FROM 13S167W TO 12S174W TO 08S180E TO 08S173E TO 12S168E.
SE WINDS 20 TO 30 KT S OF A LINE FROM 22S180E TO 13S180E TO
13S160E. SCATTERED MODERATE TSTMS FROM 14S TO 07N BETWEEN 177W
AND 162E.
.24 HOUR FORECAST TROUGH FROM 14S173W TO 07S176E TO 08S166E.
E TO SE WINDS 20 TO 25 KT S OF 12S W OF 176E.
.48 HOUR FORECAST TROUGH FROM 15S180E TO 07S172E. E WINDS 20 TO
25 KT FROM 20S TO 15S BETWEEN 176W AND 170E.

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

.SEAS 8 TO 10 FT S OF A LINE FROM 22S180E TO 14S171E TO 14S160E.
SEAS 8 TO 9 FT S OF A LINE FROM 20S120W TO 20S131W TO 25S137W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF A LINE FROM 19S180E TO
14S174E TO 13S160E. SEAS 8 TO 10 FT S OF A LINE FROM 21S120W TO
19S138 TO 21S141W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 16S BETWEEN 178E AND 168E.
SEAS 8 TO 10 FT S OF 21S E OF 135W.

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

$$

.FORECASTER FOSTER. HONOLULU HI.