647
FZPS40 PHFO 141523
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN DEC 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 14 2025.
24 HOUR FORECAST VALID 1200 UTC DEC 15 2025.
48 HOUR FORECAST VALID 1200 UTC DEC 16 2025.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL CYCLONE 08P 12.9S 168.9E 999 MB MOVING SE 07 KT.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER
WITHIN 60 NM NE...AND 40 NM SE QUADRANTS. WINDS 20 TO 33 KT
ELSEWHERE FROM 15S TO 09S BETWEEN 171E AND 165E. SEAS 2.5 TO 4.5 M
WITHIN 90 NM OF CENTER. NUMEROUS MODERATE TO STRONG TSTMS WITHIN
160 NM NE SEMICIRCLE OF CENTER.
.24 HOUR FORECAST TROPICAL CYCLONE 08P 14.9S 171.8E. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN
70 NM NE...30 NM SE...10 NM SW...30 NM NW QUADRANTS. WINDS 20 TO
33 KT ELSEWHERE WITHIN 210 NM OF CENTER. SEAS 2.5 TO 5 M WITHIN 90
NM OF CENTER.
.48 HOUR FORECAST TROPICAL CYCLONE 08P 15.1S 176.3E. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN
60 NM NE...40 NM SE...30 NM SW...40 NM NW QUADRANTS. WINDS 20 TO
33 KT FROM 17S TO 12S BETWEEN 179E AND 175E. SEAS 2.5 TO 5 M FROM
16S TO 13S BETWEEN 178E AND 175E.
FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE...AND INTENSITY.
SEE THE LATEST BULLETIN FROM JTWC UNDER WMO HEADER WTPS31 PGTW
FOR ADDITIONAL DETAILS.
.SYNOPSIS AND FORECAST.
.LOW NEAR 18S177E 1007 MB MOVING W 10 KT. TROUGH FROM LOW TO
22S180W 25S176W MOVING W SLOWLY AND ERODING FROM THE S. ISOLATED
MODERATE TSTMS WITHIN 210 NM OF LOW.
.24 HOUR FORECAST LOW 18S180W 1006 MB. TROUGH 18S175E TO LOW TO
20S177W.
.48 HOUR FORECAST LOW 17S175W 1005 MB. NEW LOW 18S169W 1003 MB.
TROUGH 17S178W TO FIRST LOW TO SECOND LOW TO 20S155W 25S153W.
.TROUGH 25S163W 17S167W 14S178W MOVING S SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 90 NM TROUGH W OF 170W.
.24 HOUR FORECAST TROUGH MERGED WITH LOW AND TROUGH DESCRIBED
DIRECTLY ABOVE.
.FRONT 25S127W 24S143W THENCE TROUGH 23S146W 15S150W 11S160W
MOVING S 10 KT. SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN
120 NM E OF TROUGH N OF 20S.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED DIRECTLY
ABOVE.
.TROUGH 09S160E 12S166E NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST 07S160E 14S168E 16S173E.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.ISOLATED MODERATE TSTMS N OF 05S W OF 177E.
.FORECASTER ALMANZA. HONOLULU HI.
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