782
FZPS40 PHFO 172242
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC FRI MAY 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 17 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 18 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 19 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S130W 18S137W 13S149W 10S160W 12S171W MOVING E SLOWLY S OF
19S AND NEARLY STATIONARY ELSEWHERE. SEE WINDS AND SEAS BELOW.
SCATTERED MODERATE TSTMS WITHIN 180 NM S AND 60 NM N OF FRONT W OF
159W. ISOLATED MODERATE TSTMS WITHIN 60 NM OF FRONT FROM 159W TO
141W.
.24 HOUR FORECAST FRONT 25S124W 16S135W 13S156W. SEE WINDS AND
SEAS BELOW.
.48 HOUR FORECAST FRONT 24S120W 16S135W 13S157W. SEE WINDS AND
SEAS BELOW.

.TROUGH 25S179E 23S178E 17S173E MOVING W 10 KT. SEE SEAS BELOW.
.24 HOUR FORECAST TROUGH 25S175E 15S171E. SEE SEAS BELOW.
.48 HOUR FORECAST TROUGH 25S179E 19S169E 10S160E.

.TROUGH 11S171E 06S160E MOVING S 10 KT. SCATTERED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13S171E 08S160E.
.48 HOUR FORECAST TROUGH MERGED WITH TROUGH ABOVE.

.WINDS 20 TO 25 KT S OF LINE 11S170W 10S157W 15S142W...AND S OF 23S
FROM 145W TO 125W.
.24 HOUR FORECAST WINDS 20 TO 25 KT S OF LINE 10S170W 10S160W
12S150W 15S139W...AND S OF 23S E OF 145W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF LINE 10S173W 10S160W
12S150W 16S135W.

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

.SEAS 8 TO 12 FT S OF LINE 25S175W 20S170W 00S160W 00S150W 16S144W
02S131W 01S120W. SEAS 8 TO 9 FT S OF LINE 25S162E 20S171E 25S177E.
.24 HOUR FORECAST SEAS 12 TO 16 FT S OF LINE 25S141W 22S133W 25S125W.
SEAS 8 TO 12 FT ELSEWHERE S OF LINE 25S172W 16S170W 10S164W V10S157W
17S140W 25S120W. SEAS 8 TO 10 FT E OF LINE 00S129W 10S131W 18S120W.
SEAS 8 TO 9 FT S OF LINE 25S169E 20S171E 25S179W.
.48 HOUR FORECAST SEAS 8 TO 13 FT S OF LINE 25S175W 09S169W 15S140W
16S130W 22S120W.

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

.SCATTERED MODERATE TSTMS FROM 09S TO 12S BETWEEN 171W AND 179W.

$$

.FORECASTER POWELL. HONOLULU HI.