High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 250640 RRA
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE APR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 25 2017.
24 HOUR FORECAST VALID 0000 UTC APR 26 2017.
48 HOUR FORECAST VALID 0000 UTC APR 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 12S168W 1007 MB MOVING W 10 KT. TROUGH 12S158W
THROUGH LOW TO 02S166E MOVING SW 10 KT. ISOLATED
STRONG TSTMS FROM 0S TO 10S BETWEEN 160W AND 170E.
.24 HOUR FORECAST LOW 12S171W 1011 MB. TROUGH 15S153W
THROUGH LOW TO 03S163E.
.48 HOUR FORECAST LOW 13S176W 1011 MB. TROUGH 18S170W
THROUGH LOW TO 10S162E.

.TROUGH 17S173W 25S174W MOVING SE 10 KT.
.24 HOUR FORECAST TROUGH 21S174W 25S171W.
.48 HOUR FORECAST TROUGH MOVED S OF AREA.

.ITCZ 06S120W 03S140W. SCATTERED STRONG TSTMS WITHIN
150 NM OF ITCZ E OF 127W.

.RIDGE 25S162W 21S174W 25S170E MOVING S SLOWLY.

.E WINDS 20 TO 25 KT WITHIN S OF 14S BETWEEN 145W AND 153W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.SEAS 12 TO 14 FT S OF LINE 25S134W 20S155W 20S158W 25S156W...
SEAS 8 TO 12 FT ELSEWHERE S OF LINE 21S120W 13S167W 25S167W. SEAS
8 FT S OF LINE 25S172W 21S180W 25S177E.
.24 HOUR FORECAST SEAS 8 TO 12 FT SE OF LINE 12S120W 10S155W
15S165W 25S160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT SE OF LINE 05S120W 20S135W
25S150W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ISOLATED MODERATE TSTMS FROM 21S TO 23S BETWEEN 132W AND 135W
AND WITHIN 60 NM OF LINES 15S154W 18S162W AND 15S166W 11S163W.

$$
.HONOLULU FORECASTER.



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