690
FZPS40 PHFO 212215
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED JAN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21 2026.
24 HOUR FORECAST VALID 1800 UTC JAN 22 2026.
48 HOUR FORECAST VALID 1800 UTC JAN 23 2026.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL CYCLONE 16P NEAR 22.1S 164.5E 994 MB MOVING SE 19 KT.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER
70 NM NE...40 NM SE...00 NM SW...AND 55 NM NW QUADRANTS. WINDS 20
TO 33 KT FROM 24S TO 19S BETWEEN 161E AND 167E. SEAS 4 M OR
GREATER FROM 22S TO 17S BETWEEN 161E AND 168E. SEAS 2.5 TO 4 M
ELSEWHERE S OF 15S W OF 167E.
.24 HOUR FORECAST TROPICAL CYCLONE 16P NEAR 25.4S 173.3E. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. WINDS 34 KT OR GREATER 10 NM
NE...10 NM SE...10 NM SW...AND 35 NM NW QUADRANTS. WINDS 20 TO 33
KT ELSEWHERE S OF 22S BETWEEN 169E AND 175E. SEAS 2.5 TO 3.5 M S
OF 19S BETWEEN 169E AND 175E.
.48 HOUR FORECAST TROPICAL CYCLONE 16P DISSIPATED AS SIG TROPICAL
CYCLONE NEAR 23S180E. WINDS 20 TO 25 KT S OF 22S BETWEEN 177E AND
179E. SEAS 2.5 TO 3.5 M S OF 22S BETWEEN 177W AND 176E.
SEE WTPS31 PGTW ISSUED BY JOINT TYPHOON WARNING CENTER FOR MORE
INFORMATION.
FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY.
..GALE WARNING
.TROUGH 25S158W 12S172W 10S178E NEARLY STATIONARY. SCATTERED
MODERATE TSTMS S OF 10S BETWEEN TROUGH AND 141W.
.24 HOUR FORECAST TROUGH 25S159W 14S165W 10S179W. WINDS 30 TO 35
KT S OF 15S BETWEEN 143W AND 150W. WINDS 20 TO 25 KT
ELSEWHERE S OF LINE 25S138W 10S152W 09S163W.
.48 HOUR FORECAST TROUGH 25S159W 14S167W. WINDS 20 TO 30
KT WITHIN 240 NM OF TROUGH.
.SYNOPSIS AND FORECAST.
.WINDS 20 TO 30 KT S OF LINE 25S171W 22S167W 22S170W 25S175W.
.24 HOUR FORECAST WINDS MOVED S OF AREA.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 4 M S OF 14S W OF 174E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M S OF 11S BETWEEN 139W AND 166W.
.48 HOUR FORECAST SEAS 4 TO 5 M WITHIN 90 NM OF A LINE FROM
25S147W TO 12S165W. SEAS 2.5 TO 4 M ELSEWHERE S OF 08S BETWEEN
140W AND 162W.
.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TSTMS S OF 17S E OF 134W.
.ISOLATED MODERATE TSTMS
.FORECASTER FOSTER. HONOLULU HI.
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