High Seas Forecast
Issued by NWS

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FZPS40 PHFO 240319
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SUN SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SEP 24 2017.
24 HOUR FORECAST VALID 0000 UTC SEP 25 2017.
48 HOUR FORECAST VALID 0000 UTC SEP 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S134W TO 20S144W TO 16S154W TO 15S163W MOVING E
SLOWLY S OF 21S AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT FROM 25S131W TO 20S145W TO 15S160W.
.48 HOUR FORECAST FRONT FROM 25S124W TO 20S143W TO 15S155W.

.FRONT FROM 25S165W TO 21S180W TO 18S165E MOVING E 15 KT S OF 22N
AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT FROM 25S160W TO 22S170W TO 21S180W.
.48 HOUR FORECAST FRONT FROM 25S152W TO 22S165W TO 21S175W.

.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 12S TO 16S BETWEEN 165E AND 175E.
.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 11S TO 17S W OF
175W.
.48 HOUR FORECAST SE TO E WINDS 20 TO 25 KT FROM 09S TO 17S W OF
172E.

.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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