High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 210505
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE APR 21 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 21 2015.
24 HOUR FORECAST VALID 0000 UTC APR 22 2015.
48 HOUR FORECAST VALID 0000 UTC APR 23 2015.

.WARNINGS.

...GALE WARNING...
.LOW JUST S OF FORECAST AREA NEAR 26S166W 1007 MB MOVING S 10 KT.
FIRST TROUGH FROM LOW TO 25S162W TO 24S160W...AND SECOND TROUGH
FROM LOW TO 25S166W TO 17S174W TO 14S180E TO 10S175E. TROUGHS NEARLY
STATIONARY. WINDS 20 TO 35 KT OVER FORECAST WATERS S OF LINE FROM
24S151W TO 22S161W TO 24S163W. ISOLATED TO LOCALLY SCATTERED
MODERATE TO STRONG TSTMS BOUNDED BY 13S165W TO 18S155W TO 23S157W
TO 16S167W TO 13S165W. ISOLATED MODERATE TSTMS FROM 10S TO 16S
BETWEEN 173W AND 176E...AND FROM 07S TO 10S BETWEEN 175E AND 178E.
.24 HOUR FORECAST LOW S OF FORECAST AREA NEAR 28S167W 1001 MB.
FIRST TROUGH MOVED S OF FORECAST AREA. SECOND TROUGH FROM LOW TO
25S167W TO 18S168W TO 11S178E TO 10S169E.  NE TO E WINDS 20 TO 25 KT
OVER FORECAST WATERS S OF 22S BETWEEN 148W AND 155W.
.48 HOUR FORECAST LOW S OF FORECAST AREA NEAR 28S167W 1000 MB. NEW
FRONT FROM 25S161W TO 17S165W TO 14S175W THENCE TROUGH TO 11S177E TO
12S165E. WINDS 20 TO 25 KT OVER FORECAST WATERS S OF 23S BETWEEN
163W AND 173W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S126W TO 21S138W TO 21S143W TO 22S152W. FRONT MOVING E
15 KT S OF 23S...AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT FROM 25S120W TO 21S130W TO 17S146W.
.48 HOUR FORECAST FRONT FROM 22S120W TO 18S132W TO 18S149W.

.TROUGH FROM 17S120W TO 10S133W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 07S160E TO 05S164E TO 01S166E MOVING WNW SLOWLY.
ISOLATED MODERATE TO LOCALLY STRONG TSTMS FROM 01S TO 09S W OF 168E.
.24 HOUR FORECAST TROUGH FROM 03S160E TO 01S165E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25S141W TO 23S135W MOVING E SLOWLY.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 12 TO 14 FT S OF 24S BETWEEN 159W AND 165W. SEAS 8 TO 12 FT
ELSEWHERE S OF 21S BETWEEN 150W AND 167W.
.24 HOUR FORECAST SEAS 8 TO 11 FT OVER FORECAST WATERS S OF LINE
FROM 24S129W TO 19S146W TO 21S155W TO 23S160W TO 23S169W TO 21S177W
TO 21S173E.
.48 HOUR FORECAST SEAS 12 TO 13 FT OVER FORECAST WATERS S OF 23S
BETWEEN 171W AND 176W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM
24S164W TO 19S169W TO 21S175E. SEAS 8 TO 9 FT S OF LINE FROM 23S120W
TO 19S128W TO 22S140W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS N OF 05S BETWEEN 173W AND 179W....N OF 03S
BETWEEN 155W AND 162W...FROM 04S TO 06S BETWEEN 145W AND 154W...FROM
05S TO 09S BETWEEN 167W AND 170W...AND W OF LINE FROM 11S162E TO
13S172W TO 16S168E TO 17S162E.

$$

.FORECASTER KINEL. HONOLULU HI.





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