375
FZPS40 PHFO 270307
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE JAN 27 2026
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 27 2026.
24 HOUR FORECAST VALID 0000 UTC JAN 28 2026.
48 HOUR FORECAST VALID 0000 UTC JAN 29 2026.
.WARNINGS.
..GALE WARNING
.COMPLEX LOWS AND TROUGH NEARLY STATIONARY. TROUGH 25S162W TO LOW
23S162W 1005 MB TO LOW 20S159W 1001 MB TO 16S161W TO 14S164W TO
12S170W TO 07S168E. N TO NW WINDS 30 TO 40 KT WITHIN 150 NM E AND
AND NE OF TROUGH AND LOWS, S OF 10S. WINDS 20 TO 30 KT ELSEWHERE
WITHIN 330 NM E AND NE OF TROUGH AND LOWS, E OF 178W. SEAS 4 TO 6
M WITHIN 120 NM E OF TROUGH S OF 10S. SEAS 2.5 TO 4 M ELSEWHERE
WITHIN AN AREA BOUNDED BY 25S150W 09S157W 06S170W 06S177W 10S177W
14S167W 25S163W 25S150W. SCATTERED STRONG TSTMS WITHIN 150NM OF
TROUGH AND LOWS E OF 162W...AND WITHIN 330 NM PRIMARILY N OF
TROUGH W OF 162W...AND WITHIN 240 NM S OF TROUGH W OF 165W.
.24 HOUR FORECAST TROUGH 25S165W TO 19S162W TO 15S168W TO 12S177W.
WINDS 30 TO 35 KT WITHIN 120 NM E OF TROUGH FROM 18S TO 11S. WINDS
20 TO 30 KT ELSEWHERE WITHIN 210 NM E AND NE OF TROUGH E OF 175W.
SEAS 4 TO 6 M WITHIN 210 NM E OF TROUGH E OF 172W. SEAS 2.5 TO 4 M
ELSEWHERE WITHIN AN AREA BOUNDED BY 25S152W 17S156W 10S161W
07S174W 12S174W 18S168W 25S167W.
.48 HOUR FORECAST TROUGH 25S165W TO LOW 1006 MB NEAR 15S168W TO
14S171W. WINDS 20 TO 30 KT WITHIN 150 NM E AND NE OF TROUGH. SEAS
2.5 TO 4 M WITHIN AN AREA BOUNDED BY 25S158W 14S161W 09S165W
10S173W 25S166W 25S158W.
..GALE WARNING
.LOW 1001 MB NEAR 13S168E MOVING E SLOWLY. TROUGH 18S174E TO
16S170E LOW TO 11S165E TO 11S160E MOVING E SLOWLY. W WINDS 20 TO
25 KT AND SEAS 2.5 TO 3 M WITHIN 390 NM N OF LOW AND TROUGH W OF
172E. NUMEROUS MODERATE TO STRONG TSTMS WITHIN 390 NM N OF LOW AND
TROUGH...AND WITHIN 180 NM S OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 996 MB NEAR 16S171E. TROUGH 25S174E TO LOW TO
11S170E TO 10S160E. WINDS 20 TO 30 KT AND SEAS 3 TO 6 M WITHIN
420 NM N AND E OF LOW AND TROUGH N OF 22S.
.48 HOUR FORECAST LOW 990 MB NEAR 21S172E. TROUGH FROM LOW TO
17S171E TO 11S165E TO 11S160E. WINDS 30 TO 40 KT AND SEAS 3 TO 6 M
WITHIN 270 NM S SEMICIRCLE OF LOW...AND WITHIN 150 NM N SEMICIRCLE.
WINDS 20 TO 30 KT AND SEAS 3 TO 5 M ELSEWHERE WITHIN 390 NM N AND
E OF TROUGH AND LOW.
.SYNOPSIS AND FORECAST.
.LOW 1002 MB NEAR 17S172W. TROUGH 25S170W TO 22S169W TO LOW TO
12S180E NEARLY STATIONARY. SCATTERED MODERATE TSTMS WITHIN 90 NM
OF LOW.
.24 HOUR FORECAST LOW 1004 MB NEAR 17S172W. TROUGH FROM 25S174W TO
LOW TO 16S176W.
.48 HOUR FORECAST LOW AND TROUGH DISSIPATED.
.TROUGH 25S136W 22S136W 20S138W 18S145W 18S151W MOVING W SLOWLY.
SCATTERED MODERATE TSTMS FROM 21S TO 10S BETWEEN 137W AND 146W.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.FORECASTER TSAMOUS. HONOLULU HI.
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