High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 232122
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SAT SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 23 2017.
24 HOUR FORECAST VALID 1800 UTC SEP 24 2017.
48 HOUR FORECAST VALID 1800 UTC SEP 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S135W TO 20S144W TO 16S154W TO 14S165W MOVING E SLOWLY
S OF 21S AND NEARLY STATIONARY ELSEWHERE.

.24 HOUR FORECAST FRONT FROM 25S133W TO 20S145W TO 15S160W.

.48 HOUR FORECAST FRONT FROM 25S126W TO 20S144W TO 15S156W.

.FRONT FROM 25S170W TO 22S180W TO 18S164E MOVING E 15 KT S OF 22N
AND NEARLY STATIONARY ELSEWHERE.

.24 HOUR FORECAST FRONT FROM 25S162W TO 23S170W TO 22S180W.

.48 HOUR FORECAST FRONT FROM 25S154W TO 22S175W.

.TROUGH FROM 05S160E TO 07S170E TO 09S176W NEARLY STATIONARY AND
DISSIPATING. ISOLATED MODERATE TSTMS FROM 06S TO 11S W OF 167E AND
FROM 08S TO 15S BETWEEN 175E AND 176W.

.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25S145W TO 21S160W TO 18S176W MOVING E 10 KT AND
ERODING FROM THE W.

.RIDGE FROM 25S120W TO 20S137W MOVING NE SLOWLY.

.E TO SE WINDS 20 TO 25 KT FROM 13S TO 17S BETWEEN 166E AND 175E.

.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT WITHIN 60 NM OF LINE
FROM 12S170E TO 14S176W TO 17S170W.

.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 10S TO 16S W OF
172E AND WITHIN 120 NM OF LINE FROM 10S178E TO 15S166W.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 FT OR LESS OVER ENTIRE AREA.

.24 HOUR FORECAST LITTLE CHANGE.

.48 HOUR FORECAST LITTLE CHANGE.

$$

.FORECASTER BURKE. HONOLULU HI.



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