789
FZPS40 PHFO 230315
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN FEB 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 23 2025.
24 HOUR FORECAST VALID 0000 UTC FEB 24 2025.
48 HOUR FORECAST VALID 0000 UTC FEB 25 2025.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL CYCLONE 19P/09F 14.7S 178.5W 993 MB MOVING S AT 5 KT.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. WINDS 34 KT OR GREATER
WITHIN 155 NM NE QUADRANT...140 NM SE QUADRANT...AND 160 NM NW
QUADRANT. SEE BELOW FOR ADDITIONAL WINDS. SEAS 12 FT OR GREATER
FROM 17S TO 11S BETWEEN 173W AND 180E. NUMEROUS STRONG TSTMS WITHIN
150 NM S SEMICIRCLE. SCATTERED MODERATE TO STRONG TSTMS ELSEWHERE
FROM 18S TO 11S BETWEEN 174W AND 178E.
.24 HOUR FORECAST TROPICAL CYCLONE 19P/09F NEAR 17.8S 178.9W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. WINDS 34 KT OR GREATER
WITHIN 170 NM NE QUADRANT...120 NM SE QUADRANT...60 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEE BELOW FOR ADDITIONAL WINDS.
SEAS 12 FT OR GREATER FROM 21S TO 14S BETWEEN 175W AND 178E.
.48 HOUR FORECAST TROPICAL CYCLONE 19P/09F NEAR 22.8S 179.0W.
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. WINDS 34 KT OR GREATER
WITHIN 160 NM NE QUADRANT...130 NM SE QUADRANT...80 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEE BELOW FOR ADDITIONAL WINDS.
SEAS 12 FT OR GREATER S OF 20S BETWEEN 176W AND 174E.

SEE THE LATEST BULLETIN ISSUED BY JOINT TYPHOON WARNING CENTER
UNDER WMO HEADER WTPS32 PGTW FOR MORE DETAILS ON T.C. 19P.

FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN TRACK...SIZE...AND INTENSITY.

...GALE WARNING...
.LOW NEAR 24S166W 997 MB MOVING S 10 KT. WINDS 30 TO 40 KT WITHIN
210 NM SE SEMICIRCLE OF LOW. SEE BELOW FOR ADDITIONAL WINDS.
ISOLATED MODERATE TSTMS WITHIN 210 NM E AND SE QUADRANT OF LOW.
.24 HOUR FORECAST LOW MOVED S OF AREA. SEE BELOW FOR WINDS.
.48 HOUR FORECAST LOW FAR S OF AREA. ASSOCIATED WINDS EASED TO 20
KT OR LESS.

...GALE WARNING...
.LOW NEAR 12S167E 1004 MB MOVING E SLOWLY. WINDS 30 TO 35 KT WITHIN
180 NM NE QUADRANT OF LOW. SEE BELOW FOR ADDITIONAL WINDS.
SCATTERED MODERATE TSTMS FROM 13S TO 09S BETWEEN 171E AND 163E.
.24 HOUR FORECAST LOW NEAR 14S171E 1002 MB. WINDS 30 TO 35 KT
WITHIN 210 NM NE QUADRANT OF LOW. SEE BELOW FOR ADDITIONAL WINDS.
.48 HOUR FORECAST LOW NEAR 17S172E 996 MB. WINDS 30 TO 40 KT WITHIN
210 NM NE QUADRANT OF LOW. SEE BELOW FOR ADDITIONAL WINDS.

.SYNOPSIS AND FORECAST.

.TROUGH FROM ABOVE MENTIONED LOW NEAR 24S166W TO T.C. 19P TO ABOVE
MENTIONED LOW NEAR 12S167E TO 15S160E. TROUGH MOVING S SLOWLY E OF
179W AND NEARLY STATIONARY W OF 179W. EXCEPT WHERE NOTED IN WARNING
SECTION ABOVE...WINDS 20 TO 30 KT WITHIN 420 NM N AND E OF
TROUGH...S OF 23S BETWEEN 166W AND 173W...AND WITHIN 240 NM S
SEMICIRCLE OF T.C. 19P. WINDS 20 TO 25 S OF 19S W OF 175W. EXCEPT
WHERE NOTED IN WARNING SECTION ABOVE...ISOLATED MODERATE TSTMS
WITHIN 210 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 25S170W TO T.C. 19P TO ABOVE
MENTIONED LOW NEAR 14S171E TO 14S160E. EXCEPT WHERE NOTED IN
WARNING SECTION ABOVE...WINDS 20 TO 30 KT WITHIN 360 NM N AND E OF
TROUGH W OF 175W...AND WITHIN 300 NM S SEMICIRCLE OF T.C. 19P.
WINDS 20 TO 25 KT ELSEWHERE S OF TROUGH...AND S OF 24S BETWEEN 163W
AND 168W.
.48 HOUR FORECAST TROUGH FROM 25S177W TO T.C. 19P TO ABOVE
MENTIONED LOW NEAR 17S172E TO 15S160E. EXCEPT WHERE NOTED IN
WARNING SECTION ABOVE...WINDS 20 TO 30 KT WITHIN 360 NM N AND E OF
TROUGH...WITHIN 360 NM S SEMICIRCLE OF T.C. 19P...AND ELSEWHERE S
OF TROUGH.

.TROUGH 25S144W 20S146W NEARLY STATIONARY. WINDS 20 TO 25 KT WITHIN
90 NM E OF TROUGH S OF 23S.
.24 HOUR FORECAST TROUGH 25S142W 21S143W. ASSOCIATED WINDS EASED T0
20 KT OR LESS.
.48 HOUR FORECAST TROUGH 25S139W 23S141W.

.TROUGH 07S127W 04S134W MOVING SW SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 90 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 18 TO 20 FT S OF 22S BETWEEN 164W AND 167W. SEAS 12 TO 18 FT
S OF 18S BETWEEN 163W AND 171W. EXCEPT WHERE NOTED IN WARNING
SECTION ABOVE...SEAS 8 TO 12 FT ELSEWHERE IN AREA BOUNDED BY
10S163E 05S175W 14S160W 25S155W 25S160E 21S160E 16S180E 10S163E.
SEAS 8 TO 9 FT S OF 24S BETWEEN 141W AND 145W.
.24 HOUR FORECAST SEAS 12 TO 16 FT FROM 16S TO 11S BETWEEN 174E AND
169E. EXCEPT WHERE NOTED IN WARNING SECTION ABOVE...SEAS 8 TO 12 FT
ELSEWHERE S OF LINE 25S158W 10S175W 08S170E 20S160E.
.48 HOUR FORECAST SEAS 12 TO 18 FT FROM 20S TO 13S BETWEEN 176E AND
170E. EXCEPT WHERE NOTED IN WARNING SECTION ABOVE...SEAS 8 TO 12 FT
ELSEWHERE S OF LINE 25S170W 10S177E 10S160E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 15S TO 10S BETWEEN 135W AND 143W.

$$

.FORECASTER WROE. HONOLULU HI.