High Seas Forecast
Issued by NWS

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347
FZPS40 PHFO 280336
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE FEB 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 28 2017.
24 HOUR FORECAST VALID 0000 UTC MAR 01 2017.
48 HOUR FORECAST VALID 0000 UTC MAR 02 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.STATIONARY FRONT FROM 21S166W TO 18S177W TO 18S173E TO 20S165E.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 240 NM EITHER SIDE OF
TROUGH AXIS.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 05S134W TO 06S130W TO 07S124W MOVING SW 15 KT.
ISOLATED MODERATE TO STRONG TSTMS WITHIN 210 NM EITHER SIDE OF
TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 08S147W TO 12S139W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 07S170W TO 15S165W MOVING SW 10 KT. SCATTERED MODERATE
TO STRONG TSTMS WITHIN 480 NM W OF TROUGH AXIS. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 240 NM E OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 13S176W TO 20S171W.

.TROUGH FROM 05S167E TO 08S172E TO 09S177E MOVING SW 15 KT.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM EITHER SIDE
OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 05S160E TO 11S166E.
.48 HOUR FORECAST TROUGH W OF FORECAST AREA.

.TROUGH FROM 14S160E TO 14S166E. SCATTERED MODERATE TO STRONG
TSTMS WITHIN 240 NM N OF TROUGH AXIS. ISOLATED MODERATE TO STRONG
TSTMS WITHIN 360 NM S OF TROUGH AXIS.
.48 HOUR FORECAST TROUGH DISSIPATED.

.OTHERWISE WINDS E TO SE 20 TO 25 KT S OF 16S W OF 160W.
.24 HOUR FORECAST WINDS E TO SE 20 TO 25 KT S OF 21S BETWEEN
168E AND 178W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER ENTIRE FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TO STRONG TSMTS N OF 10S W OF 168E.

$$

.FORECASTER BEDAL. HONOLULU HI.



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