660
FZPS40 PHFO 240303
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 24 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 25 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 26 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 25S130W 21S131W MOVING SE SLOWLY.
.24 HOUR FORECAST TROUGH 25S125W 17S132W.
.48 HOUR FORECAST TROUGH MOVED E OF AREA.
.TROUGH 25S137W 20S150W 11S158W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 25S167W 20S171W 16S175E 12S169E 05S160E MOVING W SLOWLY
S OF 20S...AND NEARLY STATIONARY AND DISSIPATING ELSEWHERE. WINDS
20 TO 25 KT WITHIN 210 NM OF TROUGH. SCATTERED MODERATE TSTMS
WITHIN 270 NM OF TROUGH N OF 10S. ISOLATED MODERATE TSTMS WITHIN
180 NM W OF TROUGH ELSEWHERE.
.24 HOUR FORECAST TROUGH 25S167W 20S163W. WINDS 20 TO 25 KT S OF
10S BETWEEN TROUGH AND 140W.
.48 HOUR FORECAST TROUGH 25S160W 18S164W. WINDS DIMINISHED TO
20 KT OR LESS.
.FRONT 25S161E 24S160E MOVING E 15 KT. WINDS 20 TO 25 KT S OF
20S W OF 172E.
.24 HOUR FORECAST FRONT 25S168E 16S164E 14S160E. WINDS 20 TO
30 KT S OF 20S BETWEEN FRONT AND 180E.
.48 HOUR FORECAST FRONT 25S177E 16S169E 12S167E THENCE TROUGH TO
07S160E. WINDS 20 TO 30 KT S OF 20S BETWEEN FRONT AND 175W.
.24 HOUR FORECAST NEW TROUGH 14S169E 06S160E.
.48 HOUR FORECAST TROUGH MERGED WITH FRONT AND TROUGH DESCRIBED
IMMEDIATELY ABOVE.
.48 HOUR FORECAST NEW TROUGH 25S167E 22S160E. WINDS 20 TO 30 KT
S OF 20S W OF 170E.
.WINDS 20 TO 25 KT FROM 10S TO 18S E OF 125W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 08S TO 15S E OF 130W.
.48 HOUR FORECAST WINDS 20 TO 25 KT S OF 05S E OF 140W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
SEAS MAINLY 2.5 TO 3.0 M S OF 05S
EXCEPT SEAS 2.5 M OR LOWER
S OF 15S BETWEEN 130W AND 145W...AND N OF 15S BETWEEN 169W AND
177E.
.24 HOUR FORECAST 2.5 TO 4.0 M S OF LINE 15S175W 22S160E. SEAS
MAINLY 2.5 TO 3.0 M S OF 02S E OF 175W.
48 HOUR FORECAST SEAS 2.5 TO 4.0 M S OF 20S W OF 175W
AND S
OF 04S E OF 175W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.FORECASTER AHUE. HONOLULU HI.
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