304
FZPS40 PHFO 280345
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 18S1712W 1005 MB MOVING E SLOWLY. TROUGH 16S162W TO LOW
TO 15S179W NEARLY STATIONARY. WINDS 30 TO 35 KT FROM 17S TO 14S
BETWEEN 165W AND 158W. WINDS 20 TO 30 KT ELSEWHERE S OF LINE
25S162W 13S168 12S160W 25S157W. SEAS 2.5 TO 4 M S OF LINE 25S167W
14S169W 09S176W 09S162W 20S152W 25S151W. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS FROM 13S TO 08S BETWEEN 179W AND 164W...AND
FROM 19S TO 12S BETWEEN 164W AND 159W.
.24 HOUR FORECAST LOW NEAR 18S172W 1007 MB. NEW LOW NEAR 19S166W
1005 MB. TROUGH 22S164W TO SECOND LOW TO FIRST LOW TO 18S179W.
WINDS 30 TO 35 KT FROM 14S TO 10S BETWEEN 172W AND 168W. WINDS 20
TO 30 KT ELSEWHERE IN AREA BOUNDED BY 21S167W 09S175W 08S170W
16S164W 20S164W 21S167W. SEAS 2.5 TO 3 M S OF 10S BETWEEN 167W AND
157W.
.48 HOUR FORECAST FIRST LOW DISSIPATED. SECOND LOW NEAR 21S170W
1005 MB. TROUGH 25S170W TO LOW TO 18S174W TO 16S175E. WINDS 20 TO
30 KT FROM 23S TO 08S BETWEEN 174W AND 165W. SEAS 2.5 TO 4 M S OF
10S BETWEEN 170W AND 163W.
..GALE WARNING
LOW NEAR 16S171E 996 MB
POSSIBLE DEVELOPING TROPICAL
CYCLONE....MOVING SSE 20 KT. TROUGH 15S179E TO 15S176E TO LOW TO
12S160E MOVING S 10 KT. WINDS 30 TO 35 KT WITHIN 90 NM E
SEMICIRCLE OF LOW. WINDS 20 TO 30 KT ELSEWHERE W OF LINE 10S160E
18S165E 19S172E 20S175E 08S178E 03S167E 04S160E. SEAS 2.5 TO 4.5 M
S OF LINE 25S171E 12S168E 07S160E 03S166E 06S177E 25S176E.
SCATTERED MODERATE TO STRONG TSTMS FROM 14S TO 05S W OF 178E...AND
FROM 22S TO 13S BETWEEN 165E AND 178E.
24 HOUR FORECAST LOW NEAR 23S173E 984 MB
POSSIBLE TROPICAL
CYCLONE...TROUGH 20S179W TO LOW TO 19S160E. WINDS 30 TO 40 KT S
OF 23S BETWEEN 170E AND 176E. WINDS 20 TO 30 KT ELSEWHERE S LINE
25S168E 22S172E 23S174E 19S175E 25S179E...AND FROM 13S TO 05S W OF
179E. SEAS 4 TO 5.5 M S OF LINE 25S168E 19S170E 14S175E 09S167E
11S177E 25S176E. SEAS 2.5 TO 4 M ELSEWHERE S OF LINE 25S166E
15S170E 08S162E 05S176E 13S178W 17S177E 25S178E.
.48 HOUR FORECAST LOW MOVED S OF AREA NEAR 28S169E 1001
MB...POSSIBLE TROPICAL CYCLONE...TROUGH 25S164E 19S160E. WINDS 20
TO 30 KT FROM 13S TO 07S W OF 170E. SEAS 2.5 TO 4 M S OF LINE
25S179E 17S177E 10S179E 09S168E 21S172E 24S160E.
.SYNOPSIS AND FORECAST.
.LOW NEAR 24S173W 1007 MB. TROUGH FROM 25S173W TO LOW TO 23S171W.
TROUGH AND LOW MOVING WSW 10 KT.
.24 HOUR FORECAST LOW AND TROUGH DISSIPATED.
.TROUGH 25S173E 21S171E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH LOW AND TROUGH DESCRIBED IN
SECOND GALE WARNING IN WARNINGS SECTION.
.24 HOUR FORECAST NEW TROUGH 25S134W 21S138W.
.48 HOUR FORECAST TROUGH 25S127W 20S136W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
ISOLATED MODERATE TSTMS S OF 23S BETWEEN 164W AND 161W
AND FROM
17S TO 12S BETWEEN 149W AND 134W.
.FORECASTER TROTTER. HONOLULU HI.
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