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000
FZPS40 PHFO 092206
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC TUE APR 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PLEASE SEE HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS_TROPICAL.PHP
FOR A PROPOSAL...AND A REQUEST FOR COMMENTS...TO INCREASE
READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS LOWERCASE).

SECURITE

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 1800 UTC APR 09 2024.
24 HOUR FORECAST VALID 1800 UTC APR 10 2024.
48 HOUR FORECAST VALID 1800 UTC APR 11 2024.

.WARNINGS.

...GALE WARNING...

.24 HOUR FORECAST NEW TROUGH FROM 21S161W TO 18S161W TO 13S164W. SE
TO E WINDS 30 TO 35 KT S OF 20S BETWEEN 154W AND 163W. SE TO E WINDS
20 TO 30 KT ELSEWHERE S OF A LINE FROM 25S136W TO 18S153W TO
19S168W TO 25S179W.
.48 HOUR FORECAST NEW LOW FORMING ALONG TROUGH NEAR 23S161W 1008
MB. TROUGH FROM LOW TO 18S162W TO 15S165W. SE TO E WINDS 30 TO 40
KT S OF A LINE FROM 21S151W TO 22S157W TO 25S160W. SE TO E WINDS 20
TO 30 KT ELSEWHERE S OF A LINE FROM 20S132W TO 16S143W TO 18S154W TO
22S160W TO 22S163W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 23S160E TO 25S160E MOVING E 10 KT. N WINDS 20 TO 25 KT S
OF 22S WITHIN 120 NM E OF FRONT. ISOLATED MODERATE TSTMS WITHIN 120
NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 16S160E TO 20S163E TO 25S166E. WINDS
DECREASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 17S164E TO 25S172E.

.TROUGH FROM 25S127W TO 22S138W TO 16S160W NEARLY STATIONARY.
SCATTERED MODERATE TSTMS WITHIN 180 NM OF TROUGH MAINLY W OF 150W.
.24 HOUR FORECAST TROUGH FROM 25S130W TO 19S136W.
.48 HOUR FORECAST TROUGH ABSORBED BY A NEW FRONT FROM 25S121W TO
20S127W TO 18S130W.

.TROUGH FROM 07S164E TO 10S167E TO 17S170E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH ABSORBED IN FRONT ABOVE.

.TROUGH FROM 03S163E TO 04S168E TO 07S180E. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 270 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 02S165E TO 07S171E TO 08S176E.
.48 HOUR FORECAST TROUGH FROM 03S163E TO 08S171E.

.SE TO E WINDS 20 TO 25 KT S OF A LINE FROM 23S142W TO 19S162W TO
TO 21S175E.
.24 HOUR FORECAST WINDS DESCRIBED IN WARNING SECTION ABOVE.
.48 HOUR FORECAST WINDS DESCRIBED IN WARNING SECTION ABOVE.

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

.SEAS 8 TO 10 FT S OF A LINE FROM 25S146W TO 18S162W TO 20S177W.
.24 HOUR FORECAST SEAS 12 TO 13 FT FROM 20S TO 24S BETWEEN 153W AND
163W. SEAS 8 TO 11 FT ELSEWHERE S OF A LINE FROM 25S131W TO 18S153W
TO 16S165W TO 25S178E.
.48 HOUR FORECAST SEAS 12 TO 18 FT S OF 21S BETWEEN 152W AND 166W.
SEAS 12 TO 14 FT ELSEWHERE S OF A LINE FROM 25S122W TO 21S132W TO
19S149W TO 21S165W. SEAS 8 TO 11 FT ELSEWHERE S OF A LINE FROM
22S120W TO 18S130W TO 16S163W TO 25S174W. SEAS 8 TO 11 FT S OF A
LINE FROM 20S160E TO 20S163E TO 25S168E.

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

.SCATTERED MODERATE TSTMS FROM 23S TO 02S BETWEEN 153W AND
176W.



$$

.FORECASTER TSAMOUS. HONOLULU HI.