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000
FZPS40 PHFO 102212
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED APR 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10 2024.
24 HOUR FORECAST VALID 1800 UTC APR 11 2024.
48 HOUR FORECAST VALID 1800 UTC APR 12 2024.

.WARNINGS.

...GALE WARNING...
.TROUGH FROM 11S172W TO 16S165W TO 22S160W MOVING S SLOWLY. SE WINDS
25 TO 35 KT FROM 20S TO 23S BETWEEN 155W AND 162W. SE WINDS 20 TO 30
KT ELSEWHERE S OF A LINE FROM 22S140W TO 18S152W TO 21S178W. NUMEROUS
STRONG TSTMS WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST NEW LOW NEAR 22S161W 1007 MB. TROUGH FROM 12S171W
TO 15S164W TO LOW. WINDS 30 TO 35 KT S OF 22S BETWEEN 152W AND 162W.
SE WINDS 20 TO 30 KT ELSEWHERE S OF LINE FROM 18S134W TO 17S150W TO
21S161W TO 22S168W. SEE SEAS BELOW.
.48 HOUR FORECAST LOW MOVED S OF FORECAST AREA. TROUGH FROM 14S167W
TO 19S160W TO 25S161W. WINDS 20 TO 30 KT S OF A LINE FROM 16S136W TO
13S147W TO 25S160W. SEE SEAS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S167E TO 21S164E TO 18S160E MOVING E SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S174E TO 21S171E TO 17S166E.
.48 HOUR FORECAST FRONT FROM 25S176E TO 22S174E TO 19S170E.

.TROUGH FROM 20S145W TO 25S131W MOVING E SLOWLY.
.24 HOUR FORECAST TROUGH STRENGTHENED TO FRONT FROM 25S121W TO
22S124W TO 18S135W.
.48 HOUR FORECAST FRONT FROM 23S120W TO 20S125W TO 15S137W.

.TROUGH 03S165E TO 07S171E TO 07S177E MOVING SW SLOWLY. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 04S166E TO 10S171E TO 08S177E.
.48 HOUR FORECAST TROUGH FROM 03S160E TO 10S167E.

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

.SEAS 12 TO 14 FT FROM 21S TO 24S BETWEEN 153W AND 162W. 8 TO 12 FT
ELSEWHERE S OF LINE FROM 25S131W TO 18S152W TO 17S166W TO 25S178W.
.24 HOUR FORECAST SEAS 12 TO 18 FT S OF LINE FROM 25S122W TO 18S143W
TO 21S166W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 22S120W TO 18S130W
TO 16S153W TO 18S170W. SEAS 8 TO 11 FT S OF LINE FROM 18S160E TO
25S168E.
.48 HOUR FORECAST SEAS SEAS 12 TO 14 FT S OF 18S BETWEEN 123W AND
137W...AND S OF 22S BETWEEN 153W AND 168W. SEAS 8 TO 12 FT ELSEWHERE
S OF LINE FROM 12S120W TO 11S131W TO 18S168W TO 25S174W. SEAS 8 TO
12 FT S OF A LINE FROM 18S160E TO 20S173E TO 25S179E.

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

.SCATTERED MODERATE TSTMS N OF 11S W OF 161W. ISOLATED MODERATE TSTMS
FROM 05S TO 02S BETWEEN 151W AND 157W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.