High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 261531
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE SEP 26 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 26 2017.
24 HOUR FORECAST VALID 1200 UTC SEP 27 2017.
48 HOUR FORECAST VALID 1200 UTC SEP 28 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S120W TO 22S129W TO 21S139W MOVING NE 10 KT.
.24 HOUR FORECAST FRONT FROM 23S120W TO 21S127W TO 19S137W.
.48 HOUR FORECAST FRONT FROM 22S120W TO 19S127W TO 17S134W.

.COLD FRONT JUST SW OF FORECAST AREA NEAR 27S158W MOVING NE 20 KT.
.24 HOUR FORECAST FRONT FROM 25S173E TO 22S165E.
.48 HOUR FORECAST FRONT FROM 25S174W TO 19S179W TO 16S173E. WINDS NE TO
NE 20 TO 30 KT S OF 20S BETWEEN 174W AND 169W.

.RIDGE FROM 19S120W TO 18S127W.
.24 HOUR FORECAST RIDGE FLATTENED OVER FORECAST AREA.

.RIDGE FROM 25S160W TO 23S152W TO 21S143W.
.24 HOUR FORECAST RIDGE FROM 25S151W TO 22S142W.
.48 HOUR FORECAST RIDGE S OF FORECAST AREA.

.RIDGE FROM 25S176E TO 21S160E.
.24 HOUR FORECAST RIDGE FROM 25S171W TO 22S179W.
.48 HOUR FORECAST RIDGE FROM 25S163W TO 14S172W.

.OTHERWISE WINDS E TO SE 20 TO 25 KT FROM 06S TO 20S BETWEEN 178E AND
160W.
.24 HOUR FORECAST WINDS E TO SE 20 TO 25 KT FROM 06S TO 23S BETWEEN
175W AND 150W.
.48 HOUR FORECAST WINDS E TO SE 20 TO 25 KT FROM 11S TO 25S BETWEEN
1769 AND 145W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS BUILDING TO 8 TO 9 FT FROM 11S TO 18S BETWEEN 172W AND 162W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 11S TO 21S BETWEEN 175W AND 160W.
.48 HOUR FORECAST SEAS 8 TO 12 FT FROM S OF 09S BETWEEN 177W AND 150W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03S TO 13S W OF 179E.


$$

.FORECASTER . HONOLULU HI.


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