597
FZPS40 PHFO 272239
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JAN 27 2026.
24 HOUR FORECAST VALID 1800 UTC JAN 28 2026.
48 HOUR FORECAST VALID 1800 UTC JAN 29 2026.
.WARNINGS.
..GALE WARNING
.LOW NEAR 17S172W 1005 MB MOVING E SLOWLY. TROUGH 17S165W TO LOW
TO 15S179E NEARLY STATIONARY. WINDS 30 TO 35 KT FROM 16S TO 13S
BETWEEN 169W AND 162W. WINDS 20 TO 30 KT ELSEWHERE S OF LINE
25S161W 19S163W 10S174W 10S162W 25S155W. SEAS 2.5 TO 4.5 M S OF
LINE 25S151W 19S152W 10S159W 07S176W 12S175W 15S169W 25S166W.
ISOLATED MODERATE TO LOCALLY STRONG TSTMS FROM 18S TO 08S BETWEEN
178W AND 160W.
.24 HOUR FORECAST LOW NEAR 17S168W 1007 MB. TROUGH 19S162W TO LOW
TO 17S177W. WINDS 20 TO 30 KT FROM 19S TO 09S BETWEEN 173W AND
163W. SEAS 2.5 TO 3 M S OF 09S BETWEEN 168W AND 154W.
.48 HOUR FORECAST LOW NEAR 19S170W 1006 MB. TROUGH 25S165W TO LOW
TO 19S175E. WINDS 20 TO 30 KT FROM 23S TO 09S BETWEEN 172W AND
166W. SEAS 2.5 TO 4 M S OF 10S BETWEEN 170W AND 161W.
..GALE WARNING
LOW NEAR 15S170E 997 MB
POSSIBLE DEVELOPING TROPICAL
CYCLONE....MOVING SE 15 KT. TROUGH 15S179E TO LOW TO 14S160E
MOVING S 10 KT E OF LOW AND NEARLY STATIONARY ELSEWHERE. WINDS 20
TO 30 KT W OF LINE 11S160E 12S168E 16S167E 14S175E 05S175E
03S160E. SEAS 2.5 TO 4.5 M IN AREA BOUNDED BY 21S170E 13S169E
07S160E 03S160E 05S178E 22S175E 21S170E. SCATTERED STRONG TSTMS
FROM 20S TO 10S BETWEEN 164E AND 177E...AND FROM 10S TO 02S W OF
171E.
24 HOUR FORECAST LOW NEAR 21S173E 986 MB
POSSIBLE TROPICAL
CYCLONE...TROUGH 25S176E TO LOW TO 13S160E. WINDS 30 TO 45 KT S
OF 20S BETWEEN 170E AND 176E. WINDS 20 TO 30 KT ELSEWHERE S OF 17S
BETWEEN 169E AND 179E...AND FROM 15S TO 06S W OF 178E. SEAS 4 TO
5.5 M S OF LINE 25S170E 21S171E 18S173E 12S171E 08S167E 10S178E
21S177E 25S174E. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 25S168E
12S168E 07S160E 04S176E 14S179W 18S177E 25S178E.
.48 HOUR FORECAST LOW MOVED S OF AREA NEAR 27S169E 995
MB...POSSIBLE TROPICAL CYCLONE...TROUGH 25S170E TO 20S160E. WINDS
20 TO 30 KT FROM 13S TO 06S W OF 168E. SEAS 2.5 TO 4 M S OF LINE
25S179W 10S179E 07S168E 09S163E 14S710E 20S170E 22S166E 24S160E.
.SYNOPSIS AND FORECAST.
.LOW NEAR 24S172W 1007 MB. TROUGH FROM 25S173W TO LOW TO
23S171W. TROUGH AND LOW MOVING W 10 KT.
.24 HOUR FORECAST LOW AND TROUGH DISSIPATED.
.TROUGH 25S137W 18S142W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS FROM 17S TO 12S BETWEEN 148W AND 135W.
.24 HOUR FORECAST TROUGH 23S135W 20S140W.
.48 HOUR FORECAST NEW FRONT 25S129W 22S135W. TROUGH DISSIPATED.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
ISOLATED MODERATE TSTMS S OF 20S BETWEEN 162W AND 158W
AND FROM
16S TO 12S BETWEEN 153W AND 151W.
.FORECASTER TROTTER. HONOLULU HI.
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