000
FZPS40 PHFO 250342
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT MAR 25 2023
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 25 2023.
24 HOUR FORECAST VALID 0000 UTC MAR 26 2023.
48 HOUR FORECAST VALID 0000 UTC MAR 27 2023.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW NEAR 17S163E 1008 MB MOVING SE 10 KT. TROUGH FROM 20S175E TO
LOW TO 16S160E MOVING S SLOWLY. E WINDS 20 TO 25 KT S OF 21S
BETWEEN 174E AND 164E. SCATTERED MODERATE TSTMS FROM 22S TO 12S
W OF 175E.
.24 HOUR FORECAST LOW NEAR 21S168E 1008 MB. TROUGH FROM 25S174E
TO LOW TO 16S160E. E WINDS 20 TO 25 KT S OF 23S BETWEEN 175E AND
167E.
.48 HOUR FORECAST LOW NEAR 23S172E 1007 MB. TROUGH FROM 25S173E
TO LOW TO 15S164E. E WINDS 20 TO 25 KT S OF 24S BETWEEN 180E AND
170E.
.FRONT WEAKENING FROM 25S138W TO 20S135W TO 22S120W NEARLY
STATIONARY. ISOLATED MODERATE TSTMS WITHIN 120 NM OF FRONT.
.24 HOUR FORECAST FRONT BECOMES TROUGH FROM 25S138W TO 19S133W
TO 22S124W.
.48 HOUR FORECAST TROUGH FROM 25S138W TO 17S136W.
.FRONT FROM 25S143W TO 24S144W MOVING E 10 KT. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF FRONT.
.24 HOUR FORECAST FRONT MERGED WITH FRONT AND TROUGH DESCRIBED
DIRECTLY ABOVE.
.TROUGH FROM 24S164W TO 20S171W MOVING E 20 KT. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF TROUGH S OF 24S.
.24 HOUR FORECAST TROUGH FROM 25S160W TO 19S169W.
.48 HOUR FORECAST TROUGH FROM 25S147W TO 20S150W.
.TROUGH FROM 13S172W TO 09S176W MOVING SW 10 KT.
SCATTERED MODERATE TSTMS FROM 16S TO 06S BETWEEN 160W AND 176W.
.24 HOUR FORECAST TROUGH FROM 16S174W TO 09S178E.
.48 HOUR FORECAST TROUGH FROM 13S176E TO 18S178E.
.RIDGE FROM 18S120W TO 16S130W NEARLY STATIONARY.
.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.
.SEAS 8 TO 9 FT S OF 23S BETWEEN 175E AND 169E.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 23S BETWEEN 175E AND 169E.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 21S BETWEEN 177E AND 168E.
.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.
.SCATTERED MODERATE TSTMS FROM 13S TO 07S BETWEEN 160W AND 167W.
$$
.FORECASTER FOSTER. HONOLULU HI.