012
FZPS40 PHFO 092125
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SUN MAR 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 09 2025.
24 HOUR FORECAST VALID 1800 UTC MAR 10 2025.
48 HOUR FORECAST VALID 1800 UTC MAR 11 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 17S178W 1007 MB MOVING SSE 10 KT. TROUGH 25S172W TO LOW TO
14S175E 09S160E NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN
90 NM OF TROUGH E OF 175E...AND FROM 16S TO 07S W OF 175E.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 25S171W 20S176W 14S175E
14S160E. NW TO N WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT WITHIN 150 NM
E OF TROUGH S OF 20S.
.48 HOUR FORECAST TROUGH 25S169W 16S180E 14S160E. WINDS EASED TO 20
KT OR LESS AND SEAS SUBSIDED TO 8 FT OR LESS.

.TROUGH 20S170W 14S177W MOVING SSW SLOWLY. NW TO N WINDS 20 TO 25
KT AND SEAS 8 TO 9 FT WITHIN 90 NM N AND E OF TROUGH. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 150 NM N AND E AND WITHIN 90 NM S
OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED DIRECTLY
ABOVE. SEE WINDS AND SEAS ABOVE.

.FRONT 24S120W 22S135W MOVING N 10 KT. S WINDS 20 TO 25 KT AND SEAS
8 TO 9 FT S OF FRONT.
.24 HOUR FORECAST WEAK FRONT 21S120W 19S133W. WINDS EASED TO 20 KT
OR LESS AND SEAS SUBSIDED TO 8 FT OR LESS.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 20S120W 18S129W.

.TROUGH 25S155W 17S158W MOVING W 15 KT. ISOLATED MODERATE TSTMS IN
AREA BOUNDED BY 08S148W 25S145W 19S160W 12S165W 08S148W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 04S121W 07S130W 03S145W 05S154W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH E OF 135W...AND
WITHIN 150 NM S OF TROUGH W OF 140W.
.24 HOUR FORECAST TROUGH 06S125W 06S135W 03S145W 05S150W.
.48 HOUR FORECAST TROUGH 04S129W 07S140W 06S145W.

.E TO SE WINDS 20 TO 25 KT S OF 17S W OF 172E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT S OF 22S W OF 168E.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 21S TO 18S W OF 170E.

.WINDS 20 KT OR LESS AND SEAS 8 FT REMAINDER FORECAST AREA.

$$

.FORECASTER WROE. HONOLULU HI.