658
FZPS40 PHFO 200933
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC FRI SEP 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE OFFSHORE AND HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP


SECURITE

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

SYNOPSIS VALID 0600 UTC SEP 20 2024.
24 HOUR FORECAST VALID 0600 UTC SEP 21 2024.
48 HOUR FORECAST VALID 0600 UTC SEP 22 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S145W TO 21S151W TO 18S157W TO 17S168W THENCE
A STATIONARY FRONT TO 14S178E. FRONT MOVING E 15 KT S OF 21S AND
NE SLOWLY N OF 21S. WINDS E TO SE 20 TO 25 KT ANDS SEAS 8 TO 10 FT
WITHIN 180 NM EITHER SIDE OF A LINE FROM 14S178E TO 20S150W.
ISOLATED MODERATE TSTMS WITHIN 90 NM EITHER SIDE OF STATIONARY
FRONT.
.24 HOUR FORECAST FRONT FROM 25S139W TO 20S144W TO 17S154W TO
16S178W TO 14S178E. FRONT DISSIPATING W OF 165W. WINDS E TO SE 20
TO 25 KT AND SEAS 8 TO 9 FT WITHIN 180 NM EITHER SIDE OF A LINE
FROM 14S178E TO 20S150W.
.48 HOUR FORECAST FRONT FROM 25S131W TO 22S137W TO 17S143W TO
16S154W. REMAINDER FORECAST DISSIPATED. WINDS E TO SE 20 TO 25 KT
WITHIN 120 NM EITHER SIDE OF A LINE FROM 16S154E TO 22S145W. SEAS
SUBSIDED TO 8 FT OR LOWER.

.TROUGH FROM 08S167W TO 10S159W TO 14S150W MOVING WSW SLOWLY.
.24 HOUR FORECAST TROUGH FROM 07S176W TO 12S159W.
.48 HOUR FORECAST TROUGH FROM 07S177E TO 08S171W TO 12S159W.

.24 HOUR FORECAST NEW TROUGH FROM 06S167E TO 14S175E.
.48 HOUR FORECAST TROUGH FROM 06S162E TO 14S171E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS FROM 02S TO 08S BETWEEN 160E
AND 168E.

$$

.FORECASTER BEDAL. HONOLULU HI.