The High Seas Forecast for the South Pacific

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FZPS40 PHFO 052316
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC SUN JUL 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUL 05 2015.
24 HOUR FORECAST VALID 1800 UTC JUL 06 2015.
48 HOUR FORECAST VALID 1800 UTC JUL 07 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 23S120W TO 18S125W MOVING NE 10 KT THENCE A STATIONARY
FRONT TO 15S134W. WINDS 20 TO 25 KT AND SEAS 10 TO 15 FT OVER
FORECAST WATERS S OF 23S E OF 134W.
.24 HOUR FORECAST FRONT FROM 19S120W TO 17S125W TO 15S134W.
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS. SEAS 10 TO 15 FT S OF
17S E OF 131W.
.48 HOUR FORECAST FRONT FORM 19S120W TO 17S125W THENCE A TROUGH TO
12S132W. ASSOCIATED SEAS SUBSIDED TO 10 FT OR LOWER.

.COLD FRONT FROM 25S169W TO 20S178W MOVING NE 10 KT THENCE A
STATIONARY FRONT TO 16S172E. SEAS 8 TO 10 FT SW OF FRONT E OF 172E.
.24 HOUR FORECAST FRONT FROM 25S162W TO 21S173W TO 18S178E. SEAS
SUBSIDED TO 8 FT OR LOWER.
.48 HOUR FORECAST FRONT FROM 25S157W TO 22S165W TO 21S175W.

.TROUGH DEVELOPING OVER FORECAST AREA.
.24 HOUR FORECAST TROUGH FROM 10S167W TO 14S159W
.48 HOUR FORECAST TROUGH FROM 10S173W TO 15S165W.

.TROUGH FROM 12S160E TO 15S166E TO 16S172E. WINDS 20 TO 25 KT AND
SEAS8 TO 10 FT WITHIN 300 NM SW OF TROUGH. SCATTERED MODERATE TO
STRONG TSTMS FROM 05S TO 15S W OF 166E.
.24 HOUR FORECAST TROUGH FROM 16S160E TO 19S167E. WINDS 20 TO 25 KT
AND SEAS 8 TO 9 FT WITHIN 240 NM SW OF TROUGH.
.48 HOUR FORECAST TROUGH FROM 17S160E TO 20S163E. WINDS 20 TO 25 KT
WITHIN 180 NM SW OF TROUGH. SEAS SUBSIDED TO 8 FT OR LOWER.

.SHEAR LINE FROM 15S134W TO 14S144W TO 14S155W TO 12S165W.
WINDS 20 TO 25 KT WITHIN 300 NM S OF SHEAR LINE.
.24 HOUR FORECAST SHEAR LINE DISSIPATED. ASSOCIATED WINDS DIMINISHED
TO 20 KT OR LESS.

.RIDGE FROM 22S146W TO 20S140W TO 19S132W.
.24 HOUR FORECAST RIDGE FROM 23S139W TO 21S134W TO 18S129W.
.48 HOUR FORECAST RIDGE FROM 25S134W TO 20S127W.

.RIDGE FROM 25S159W TO 22S165W.
.24 HOUR FORECAST RIDGE FROM 25S150W TO 21S158W.
.48 HOUR FORECAST RIDGE FROM 25S144W TO 23S150W.

.RIDGE BUILDING OVER FORECAST AREA.
.48 HOUR FORECAST RIDGE FROM 25S171W TO 23S178W TO 22S176E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE AND ELSEWHERE SEAS 8 TO 10 FT S OF A LINE FROM 12S161W TO
15S130W TO 19S120W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 12S E OF 142W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 07S E OF 131W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS WITHIN A POLYGON BOUNDED BY
00S168E 00S172W 11S176W 15S164W 20S169W 12S172E 00S169E.

$$
.FORECASTER A BEDAL. HONOLULU HI.



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