464
FZPS40 PHFO 300321
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE APR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 30 2024.
24 HOUR FORECAST VALID 0000 UTC MAY 01 2024.
48 HOUR FORECAST VALID 0000 UTC MAY 02 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 09S148W 09S159W 11S171W 07N176E 06N166E 07S160E NEARLY
STATIONARY. NUMEROUS MODERATE TSTMS WITHIN 300 NM OF TROUGH E OF
164W. SCATTERED MODERATE TSTMS ELSEWHERE WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 09S160W 10S171W 06S160E.
.48 HOUR FORECAST TROUGH 10S166W 09S177W 05S160E.

.TROUGH 25S133W 19S136W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 25S132W 19S136W.
.48 HOUR FORECAST TROUGH 25S130W 20S132W.

.TROUGH 25S177W 19S179E MOVING E 10 KT.
.24 HOUR FORECAST TROUGH 25S171W 20S176W.
.48 HOUR FORECAST TROUGH 25S172W 20S177W.

.WINDS E TO SE 20 TO 25 KT S OF 15S BETWEEN 148W AND 160W...AND
S OF 14S W OF 169E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 15S BETWEEN 150W
164W...AND FROM 15S TO 20S W OF 169E.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF LINE 25S132W
11S149W 10S169W...AND W OF LINE 11S169E 20S172E.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS MAINLY 8 TO 9 FT FROM 11S TO 20S BETWEEN 153W AND 169W.
.24 HOUR FORECAST SEAS MAINLY 8 TO 9 FT FROM 15S TO 20S BETWEEN
155W AND 164W.
.48 HOUR FORECAST SEAS MAINLY 8 TO 12 FT S OF LINE 25S131W 12S160W
14S169W 25S162W.

.SEAS 8 FT OR LOWER OVER REMAINDER OF AREA.

.ISOLATED MODERATE TSTMS FROM 12S TO 17S W OF 174E.

$$

.FORECASTER AHUE. HONOLULU HI.