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000
FZPS40 PHFO 091523
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 09 2024.
24 HOUR FORECAST VALID 1200 UTC APR 10 2024.
48 HOUR FORECAST VALID 1200 UTC APR 11 2024.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW TROUGH FROM 25S162W TO 20S167W. SE TO E
WINDS 20 TO 30 KT S OF A LINE FROM 23S145W TO 20S167W TO 21S178W.
.48 HOUR FORECAST NEW LOW FORMING ALONG TROUGH NEAR 23S161W 1007
MB. TROUGH FROM LOW TO 18S162W. SE TO E WINDS 30 TO 35 KT WITHIN
210 NM EITHER SIDE OF LOW CENTER S OF 23S. E TO SE WINDS 20 TO 30
KT ELSEWHERE S OF A LINE FROM 25S131W TO 18S148W TO LOW. SEAS 16
TO 18 FT WITHIN 90 NM EITHER SIDE OF LOW CENTER S OF 23S. SEAS 12
TO 16 FT ELSEWHERE S OF A LINE FROM 23S130W TO 22S165W. SEAS 8 TO
12 FT ELSEWHERE S OF A LINE FROM 25S120W TO 17S152W TO 21S173W.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 25S128W TO 20S160W NEARLY STATIONARY. SCATTERED
MODERATE TSTMS WITHIN 180 NM OF TROUGH MAINLY W OF 145W.
.24 HOUR FORECAST TROUGH FROM 25S132W TO 20S161W.
.48 HOUR FORECAST TROUGH BECOMING A COLD FRONT FROM 25S125W TO
22S130W THENCE A TROUGH TO 19S138W.

.TROUGH FROM 16S170E TO 12S168E TO 08S164E MOVING WSW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 17S168E TO 12S165E.
.48 HOUR FORECAST TROUGH ABSORBED IN FRONT BELOW.

.24 HOUR FORECAST NEW FRONT FROM 25S166E TO 18S160E.
.48 HOUR FORECAST FRONT FROM 25S173E TO 20S168E. SEAS 8 TO 11 FT
W OF FRONT.

.SE TO E WINDS 20 TO 30 KT S OF A LINE FROM 25S146W TO 20S174W
TO 22S161E.
.24 HOUR FORECAST SE TO E WINDS 20 TO 30 KT S OF A LINE FROM
24S142W TO 20S166W TO 24S171E.
.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 23S150W T0 19S166W TO 19S172E.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF A LINE FROM 25S139W TO
19S165W TO 23S179W.
.48 HOUR FORECAST SEAS DESCRIBED IN WARNING SECTION ABOVE.

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

.SCATTERED MODERATE TSTMS FROM 25S TO 10S BETWEEN 163W AND
173W...AND WITHIN 120 NM OF A LINE FROM 10S151W TO 03S170W.
ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 120 NM OF A LINE FROM
10S178W TO 01S160E.



$$

.FORECASTER BLOOD. HONOLULU HI.