330
FZPS40 PHFO 281512
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC WED JAN 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 28 2026.
24 HOUR FORECAST VALID 1200 UTC JAN 29 2026.
48 HOUR FORECAST VALID 1200 UTC JAN 30 2026.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL CYCLONE 18P NEAR 18.9S 173.7E MOVING SSE 20 KT. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER 90 NM
NE...55 NM SE...05 NM SW...AND 05 NM NW QUADRANTS. WINDS 20 TO 33
KT S OF 14S BETWEEN 170E AND 179E. SEAS 4 M OR GREATER FROM 20S
TO 14S BETWEEN 173E AND 177E. SEAS 2.5 TO 4 M ELSEWHERE S OF 13S
BETWEEN 170E AND 177E.
.24 HOUR FORECAST TROPICAL CYCLONE 18P NEAR 25.0S 172.0E. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. WINDS 34 KT OR GREATER 20 NM
NE...80 NM SE...70 NM SW...AND 20 NM NW QUADRANTS. WINDS 20 TO 33
KT S OF 24S BETWEEN 169E AND 175E. SEAS 4 M OR GREATER S OF 24S
BETWEEN 169E AND 174E. SEAS 2.5 M TO 4 M ELSEWHERE S OF 19S
BETWEEN 165E AND 179E.
.48 HOUR FORECAST TROPICAL CYCLONE 18P MOVED S OF AREA.
ASSOCIATED WINDS AND SEAS MOVED S OF AREA.
SEE WTPS31 PGTW ISSUED BY JOINT TYPHOON WARNING CENTER FOR MORE
INFORMATION.
FORECAST WINDS NEAR TROPICAL CYCLONE SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY.
.SYNOPSIS AND FORECAST.
.LOW NEAR 18S173W 1005 MB MOVING N SLOWLY. TROUGH 22S175W TO LOW
TO 15S172W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 150
NM W OF TROUGH AND LOW.
.24 HOUR FORECAST LOW AND TROUGH DISSIPATED.
.LOW NEAR 20S164W 1006 MB MOVING SW 15 KT. TROUGH 25S164W TO LOW
TO 13S167W 07S167E 08S160E MOVING SW SLOWLY. WINDS 20 TO 30 KT IN
AREA BOUNDED BY 05S160E 07S175E 14S177E 13S170E 10S167E 10S160E
05S160E...AND S OF 17S BETWEEN TROUGH AND 160W. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 300 NM OF TROUGH.
.24 HOUR FORECAST LOW DISSIPATED. NEW LOW NEAR 14S170W 1003 MB.
TROUGH 25S168W TO LOW TO 10S175E 09S160E. WINDS 20 TO 30 KT FROM
20S TO 11S BETWEEN 170W AND 165W. WINDS 20 TO 25 KT FROM 12S TO
08S W OF 173E.
.48 HOUR FORECAST LOW NEAR 15S171W 1001 MB. TROUGH 25S171W TO LOW
TO 11S172E 08S160E. WINDS 20 TO 30 KT FROM 19S TO 09S BETWEEN
172W AND 166W.
.48 HOUR FORECAST NEW TROUGH 25S126W 24S139W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 5 M FROM 12S TO 08S BETWEEN 168E AND 175E. SEAS 2.5 TO
4 M ELSEWHERE FROM 12S TO 04S BETWEEN 161E AND 179E....AND S OF
11S BETWEEN 168W AND 157W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M FROM 16S TO 07S BETWEEN 163E
AND 177W...AND S OF 10S BETWEEN 169W AND 160W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M S OF 08S BETWEEN 174W AND 165W.
.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TSTMS FROM 19S TO 09S BETWEEN 150W AND
134W...AND S OF 22S W OF 165E.
.FORECASTER PIERCE. HONOLULU HI.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page