High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 240317
HSFSP

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S176W 22S180E 17S174E MOVING E SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF FRONT S OF 22S.
.24 HOUR FORECAST FRONT 25S172W 18S178E.
.48 HOUR FORECAST FRONT 25S170W TO 20S178W.

.FRONT 25S140W 22S152W MOVING E 10 KT. ISOLATED MODERATE TSTMS S
OF 23S BETWEEN 129W AND 134W.
.24 HOUR FORECAST FRONT 25S135W 22S148W DISSIPATING.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 01S167E 06S175W 09S160W 10S150W MOVING SW SLOWLY. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 300 NM N OF TROUGH BETWEEN 152W
AND 178W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 240 NM OF
TROUGH.
.24 HOUR FORECAST TROUGH 04S167E 10S175W 13S157W.
.48 HOUR FORECAST TROUGH 06S170E 10S175W 15S167W.

.RIDGE 25S173W 20S178W MOVING E 10 KT.

.SE TO E WINDS 20 TO 25 KT S OT 18S BETWEEN 145W AND 163W.
.24 HOUR FORECAST SE TO E WINDS 20 TO 25 KT S OF 22S BETWEEN 138W
AND 155W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER OF AREA.

.SEAS 8 TO 11 FT S OF LINE 23S170E 23S170W 12S165W 12S155W 20S140W 25S130W.
.24 HOUR FORECAST SEAS 12 TO 14 FT S OF 22S BETWEEN 135W AND
155W. SEAS 8 TO 12 FT ELSEWHERE S OF LINE 22S180W 14S168W 14S155W
18S130W 22S120W.
.48 HOUR FORECAST SEAS 12 TO 14 FT S OF 23S E OF 132W. SEAS 8 TO
12 FT ELSEWHERE S OF 12S E OF 160W.

.SEAS 8 FT OR LOWER REMAINDER OF AREA.

.ISOLATED MODERATE TSTMS FROM 09S TO 14S W OF 167E.

$$

.FORECASTER BURKE. HONOLULU HI.



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