170
FZPS40 PHFO 251438
HSFSP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI JUL 25 2025
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUL 25 2025.
24 HOUR FORECAST VALID 1200 UTC JUL 26 2025.
48 HOUR FORECAST VALID 1200 UTC JUL 27 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 25S140W 16S160W 11S171W 11S178W 12S172E 09S175E NEARLY
STATIONARY. SE WINDS 20 TO 25 KT WITHIN 300 NM S OF TROUGH BETWEEN 162W
AND 177E.
.24 HOUR FORECAST TROUGH 25S136W 15S162W 13S171W 11S170E. SE WINDS 20 TO
25 KT WITHIN 300 NM S OF TROUGH BETWEEN 154W AND 175E.
.48 HOUR FORECAST TROUGH 25S139W 16S158W 11S170W 13S175E 09S168E SE
WINDS 20 TO 25 KT WITHIN 390 NM S OF TROUGH BETWEEN 155W AND 180W.
.FRONT 25S169E 21S169E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 25S175E 20S172E. NE WINDS 20 TO 25 KT S OF
20S BETWEEN 179W AND FRONT.
.48 HOUR FORECAST FRONT 25S175E 20S172E. NE WINDS 20 TO 25 KT S OF
20S BETWEEN 176W AND FRONT.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M S OF 23S BETWEEN 152W AND 172W.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M S OF A LINE 25S131W 16S152W
13S161W 14S175W 25S174E.
.48 HOUR FORECAST SEAS 3 TO 4 M S OF 23S BETWEEN 157W AND 175W. SEAS
2.5 TO 3 M ELSEWHERE S OF A LINE 25S121W 16S133W 12S166W 16S178W
25S173E.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
ISOLATED MODERATE TSTMS BETWEEN 07S AND 01S BETWEEN W OF 161E
AND
FROM 15S TO 12S BETWEEN 178E AND 170E.
.FORECASTER TSAMOUS. HONOLULU HI.
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