053
FZPS40 PHFO 141119
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 14 2025.
24 HOUR FORECAST VALID 0600 UTC DEC 15 2025.
48 HOUR FORECAST VALID 0600 UTC DEC 16 2025.
.WARNINGS.
..GALE WARNING
FIRST LOW NEAR 13S169E 1002 MB
POSSIBLE DEVELOPING TROPICAL
CYCLONE...MOVING SE 10 KT. WINDS 30 TO 35 KT WITHIN 120 NM E
SEMICIRCLE LOW. WINDS 20 TO 30 KT FROM 15S TO 09S BETWEEN 171E AND
165E. NUMEROUS MODERATE TO STRONG TSTMS WITHIN 120 NM OF LOW. SEAS
2.5 TO 4 M WITHIN 90 NM OF LOW.
24 HOUR FORECAST LOW NEAR 15S171E 999 MB
POSSIBLE DEVELOPING
TROPICAL CYCLONE...WINDS 30 TO 40 KT WITHIN 90 NM NE SEMICIRCLE
OF LOW. WINDS 20 TO 30 KT ELSEWHERE WITHIN 210 NM OF LOW. SEAS 2.5
TO 4 M WITHIN 90 NM OF LOW.
48 HOUR FORECAST 16S177E 995 MB
POSSIBLE DEVELOPING TROPICAL
CYCLONE...WINDS 30 TO 45 KT WITHIN 90 NM OF LOW. WINDS 20 TO 30
KT FROM 17S TO 12S BETWEEN 179E AND 175E. SEAS 2.5 TO 4.5 M FROM
16S TO 13S BETWEEN 178E AND 175E.
.SYNOPSIS AND FORECAST.
.LOW NEAR 17S175E 1005 MB MOVING W 10 KT. TROUGH FROM LOW 20S180W
25S173W MOVING W SLOWLY AND ERODING FROM THE S.
.24 HOUR FORECAST LOW 18S179E 1005 MB. TROUGH FROM LOW TO 20S177W
18S170W 25S164W.
.48 HOUR FORECAST LOW 18S177W 1005 MB. NEW LOW 18S170W. TROUGH
18S179W TO FIRST LOW TO SECOND LOW TO 20S160W 25S155W.
.TROUGH 25S163W 22S166W 15S169W 12S178W MOVING S SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 90 NM N OF TROUGH W OF 170W.
.24 HOUR FORECAST TROUGH MERGED WITH LOW AND TROUGH DESCRIBED
DIRECTLY ABOVE.
.FRONT 25S136W 24S142W THENCE TROUGH 21S150W 15S153W 12S165W
MOVING S 10 KT. SCATTERED MODERATE TSTMS WITHIN 120 NM E OF TROUGH
N OF 22S.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED DIRECTLY
ABOVE.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.ISOLATED MODERATE TSTMS N OF 06S W OF 170E.
.FORECASTER ALMANZA. HONOLULU HI.
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