598
FZPS40 PHFO 150245
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC MON DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 15 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 16 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 17 2025.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL CYCLONE 08P 14.1S 169.8E 999 MB MOVING SE 07 KT.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER
WITHIN 70 NM NE...AND 40 NM SE QUADRANTS.
WINDS 20 TO 33 KT ELSEWHERE FROM 15N TO 10N BETWEEN 173E AND 167W.
SEAS 2.5 TO 4.5 M WITHIN 180 NM OF CENTER. NUMEROUS MODERATE TO
STRONG TSTMS WITHIN 120 NM N SEMICIRCLE OF CENTER.
.24 HOUR FORECAST TROPICAL CYCLONE 08P 15.3S 173.6E. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN
70 NM NE...40 NM SE...30 NM SW...40 NM NW QUADRANTS
WINDS 20 TO 33 KT ELSEWHERE WITHIN 210 NM OF CENTER.
SEAS 2.5 TO 5 M WITHIN 210 NM OF CENTER.
.48 HOUR FORECAST TROPICAL CYCLONE 08P 15.7S 178.1E. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN
70 NM NE...40 NM SE...30 NM SW...40 NM NW QUADRANTS.
WINDS 20 TO 33 KT ELSEWHERE WITHIN 210 NM OF CENTER.
SEAS 2.5 TO 5.5 M WITHIN 240 NM OF CENTER.
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 20S176E 1007 MB MOVING E 15 KT. TROUGH FROM LOW TO
20S175W 25S173W NEARLY STATIONARY.
.24 HOUR FORECAST LOW 17S176W 1007 MB. TROUGH FROM LOW TO
15S180W AND FROM LOW TO 17S165W 20S155W.
.48 HOUR FORECAST LOW 18S169W 1006 MB. TROUGH FROM LOW TO
18S175W AND FROM LOW TO 20S160W 25S155W.
.TROUGH 11S165W 15S151W 20S147W 25S148W MOVING S 10 KT.
.24 HOUR FORECAST TROUGH 16S160W 20S150W 25S144W.
.48 HOUR FORECAST TROUGH MERGED WITH TROUGH IMMEDIATELY ABOVE.
.TROUGH 07S160E 12S166E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 09S160E 13S166E
.48 HOUR FORECAST TROUGH 10S160E 15S170E 15S175E.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.SCATTERED MODERATE TSTMS WITHIN 120 NM OF LINE 11S157W 15S147W
25S145W...AND WITHIN 90 NM OF POINT 10S169E.
.FORECASTER PECHACEK. HONOLULU HI.
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