The High Seas Forecast for the South Pacific

High Seas Forecast   Issued: 02/22/2025 11:27:17 AM UTC

                        
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FZPS40 PHFO 220127 CCA
HSFSP

HIGH SEAS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
0128 UTC SAT FEB 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 21 2025.
24 HOUR FORECAST VALID 1800 UTC FEB 22 2025.
48 HOUR FORECAST VALID 1800 UTC FEB 23 2025.

.WARNINGS.

...GALE WARNING...

.FIRST LOW NEAR 21S166W 1000 MB MOVING SSE 10 KT. SECOND LOW
14S178W 1003 MB MOVING S SLOWLY. TROUGH FROM 25S154W TO FIRST LOW
TO SECOND LOW TO 13S170E TO 14S160E. TROUGH MOVING S SLOWLY E OF
178W AND NEARLY STATIONARY W OF 178W. WINDS 30 TO 40 KT WITHIN
210 NM NE QUADRANT AND 150 NM SE QUADRANT OF FIRST LOW. WINDS 20
TO 30 KT ELSEWHERE BETWEEN TROUGH AND LINE FROM 21S162W TO 13S163W
TO 07S175W TO 09S160E...AND S OF 21S BETWEEN 162W AND 180E.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 330 NM N AND E OF TROUGH
W OF 160W.
.24 HOUR FORECAST FIRST LOW NEAR 24S166W 998 MB. SECOND LOW NEAR
15S178W 998 MB. NEW THIRD LOW NEAR 13S168E 1004 MB. TROUGH FROM
25S165W TO FIRST LOW TO SECOND LOW TO THIRD LOW TO 16S160E. WINDS
30 TO 40 KT WITHIN 180 NM SE SEMICIRCLE OF FIRST LOW. WINDS 30 TO
35 KT WITHIN 210 NM NE QUADRANT OF SECOND LOW. WINDS 20 TO 30 KT
ELSEWHERE BETWEEN TROUGH AND LINE FROM 25S162W TO 15S165W TO
06S180E TO 07S160E...AND S OF S OF 20S BETWEEN 166W AND 170E.
.48 HOUR FORECAST FIRST LOW MOVED S OF AREA. SECOND LOW NEAR
18S179W 994 MB...POSSIBLE TROPICAL CYCLONE. THIRD LOW NEAR 14S172E
1002 MB. TROUGH FROM 25S168W TO SECOND LOW TO THIRD LOW 15S160E.
WINDS 30 TO 40 KT WITHIN 210 NM NE SEMICIRCLE OF SECOND LOW. WINDS
30 TO 35 KT WITHIN 90 NM NE QUADRANT OF THIRD LOW. WINDS 20 TO 30
KT ELSEWHERE IN AREA BOUNDED BY 07S160E 07S175E 20S170W 25S180E
10S160E. WINDS 20 TO 25 KT S OF 23S BETWEEN 161W AND 168W.

.SYNOPSIS AND FORECAST.

.LOW NEAR 21S141W 1015 MB MOVING SW 10 KT. TROUGH FROM 25S141W TO
LOW TO 15S144W MOVING W SLOWLY. WINDS 20 TO 25 KT WITHIN 150 NM E
OF TROUGH S OF 19S. ISOLATED MODERATE TSTMS WITHIN 120 NM OF
TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 25S145W TO 20S145W.
WINDS 20 TO 25 KT WITHIN 90 NM E OF TROUGH S OF 22S.
.48 HOUR FORECAST TROUGH FROM 25S143W TO 23S143W. WINDS EASED TO
20 KT OR LESS.

.TROUGH FROM 25S164E TO 21S163E MOVING W SLOWLY. WINDS 20 TO 25 KT
S OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED. WINDS EASED TO 20 KT OR LESS.

.TROUGH FROM 05S124W TO 02S127W MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 06S122W TO 05S129W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 18 TO 20 FT FROM 21S TO 18S BETWEEN 164W AND 166W. SEAS 12
TO 18 FT ELSEWHERE IN AREA BOUNDED BY 11S179W 15S165W 20S162W
24S165W 22S171W 11S179W. SEAS 8 TO 12 FT ELSEWHERE S OF 08S
BETWEEN 157W AND 171E. SEAS 8 TO 10 FT S OF 22S W OF 163E.
.24 HOUR FORECAST SEAS 18 TO 20 FT S OF 23S BETWEEN 164W AND 166W.
SEAS 12 TO 18 FT ELSEWHERE IN AREA BOUNDED BY 10S180E 14S170W
20S163W 25S162W 25S170W 10S180E. SEAS 8 TO 12 FT ELSEWHERE S OF
07S BETWEEN 158W AND 177E. SEAS 8 TO 10 FT S OF 20S W OF 177E...
AND FROM 13S TO 07S BETWEEN 177E AND 165E.
.48 HOUR FORECAST SEAS 18 TO 20 FT FROM 19S TO 16S BETWEEN 176W
AND 179W. SEAS 12 TO 18 FT ELSEWHERE IN AREA BOUNDED BY 10S172E
15S175W 20S171W 20S180E 10S172E. SEAS 12 TO 14 FT S OF 24S BETWEEN
162W AND 165W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM 25S158W TO
10S175W TO 08S167E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS WITHIN 150 NM OF POINT 15S135W.

$$

.FORECASTER WROE. HONOLULU HI.