147
FZPS40 PHFO 140315
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC WED MAY 14 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 14 2025.
24 HOUR FORECAST VALID 0000 UTC MAY 15 2025.
48 HOUR FORECAST VALID 0000 UTC MAY 16 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S158W TO 20S164W TO 13S176W THENCE TROUGH TO
11S176E TO 11S169E TO 13S160E. FRONT MOVING E 10 KT S OF 20S...AND
NEARLY STATIONARY ELSEWHERE. NW WINDS 20 TO 30 KT WITHIN 330 NM
E OF FRONT S OF 17S. ISOLATED MODERATE TSTMS WITHIN 360 NM E OF
FRONT S OF 15S...AND WITHIN 240 NM N AND NE OF FRONT AND TROUGH W
OF 176W...AND FROM 15S TO 01S W OF 170E.
.24 HOUR FORECAST LOW MOVED S OF AREA. FRONT WEAKENED TO A TROUGH
FROM 25S150W TO 18S160W TO 13S171W TO 10S177E TO 13S160E. WINDS
20 TO 25 KT FROM 20S TO 13S W OF 166E.
.48 HOUR FORECAST TROUGH FROM 25S139W TO 21S148W TO 19S158W TO
13S170W TO 14S178E TO 11S169E TO 14S160E. E TO SE WINDS 20 TO 25 KT
S OF TROUGH BETWEEN 148W AND 168W...AND BETWEEN 180E AND 160E.

.TROUGH FROM 14S156W TO 11S157W TO 07S157W MOVING W 10 KT.
SCATTERED MODERATE TSTMS WITHIN 150 NM W OF TROUGH FROM 15S TO 07S.
.24 HOUR FORECAST WEAK TROUGH MERGED WITH SECOND NEW TROUGH
MENTIONED JUST ABOVE NEAR 15S157W.

.TROUGH FROM 25S130W TO 22S130W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

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

.SEAS 12 TO 13 FT FROM 19S TO 24S BETWEEN 158W AND 165W. SEAS 8 TO
12 FT ELSEWHERE S OF A LINE 25S152W TO 14S165W TO 17S180E TO
15S167E. SEAS 8 TO 10 FT FROM 03S TO 13S E OF 129W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF A LINE 25S146W TO 21S154W
TO 19S166W...AND FROM 18S TO 14S W OF 162E.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF A LINE 25S141W TO 20S155W TO
21S166W.

.ELSEWHERE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.SCATTERED MODERATE TSTMS FROM 15S TO 03S W OF 165E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.