700
FZPS40 PHFO 020910
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC THU MAY 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0600 UTC MAY 02 2024.
24 HOUR FORECAST VALID 0600 UTC MAY 03 2024.
48 HOUR FORECAST VALID 0600 UTC MAY 04 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 01S165E 11S176W 10S157W MOVING SW SLOWLY. NUMEROUS MODERATE
TSTMS FROM 16S TO 09S BETWEEN 170W AND 157W. ISOLATED MODERATE TSTMS
ELSEWHERE WITHIN 240 NM OF TROUGH W OF 180W.
.24 HOUR FORECAST TROUGH 04S162E 10S174E 11S173W.
.48 HOUR FORECAST NEW LOW NEAR 14S175W 1006 MB. TROUGH 06S160E 10S172E
10S180W TO LOW TO 19S170W.

.TROUGH 25S173W 14S170E 11S160E NEARLY STATIONARY. SE WINDS 20 TO
25 KT S OF TROUGH. SCATTERED MODERATE TSTMS WITHIN 240 NM N OF TROUGH
W OF 170E. ISOLATED MODERATE TSTMS WITHIN 300 NM N OF TROUGH E OF
180W... AND S OF TROUGH E OF 177E.
.24 HOUR FORECAST TROUGH LITTLE CHANGE. SE WINDS 20 TO 25 KT S OF
TROUGH.
.48 HOUR FORECAST TROUGH 25S167W 11S160E. SE WINDS 20 TO 25 KT S
OF TROUGH.

.TROUGH 25S130W 20S137W 18S146W MOVING E SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH STRENGTHENED TO A FRONT 25S126W 19S133W
18S142W.
.48 HOUR FORECAST FRONT 25S122W 19S131W.

.SE TO E WINDS 20 TO 25 KT S OF A LINE 25S131W 19S140W 13S150W 13S170W.
.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT S OF A LINE 25S130W 15S137W
20S160W.
.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 20S TO 16S BETWEEN
153W AND 137W.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 12 FT S OF A LINE FROM 25S130W TO 16S155W TO 14S170W.
.24 HOUR FORECAST SEAS 8 TO 12 FT S OF 17S E OF 162W... AND S OF 20S
W OF 178W.
.48 HOUR FORECAST SEAS 8 TO 11 FT S OF 17S E OF 140W... AND FROM 21S
TO 17S BETWEEN 157W AND 140W. SEAS 8 TO 9 FT S OF 17S W OF 180W.

.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

$$

.FORECASTER SHIGESATO. HONOLULU HI.