High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 310515
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC MON AUG 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 31 2015.
24 HOUR FORECAST VALID 0000 UTC SEP 01 2015.
48 HOUR FORECAST VALID 0000 UTC SEP 02 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S143W TO 21S145W TO 15S154W THENCE A STATIONARY
FRONT TO 10S165W TO 08S178W. COLD FRONT MOVING E 15 KT. N TO NW
WINDS 20 TO 25 KT WITHIN 300 NM E OF FRONT S OF 21S. SE WINDS 20 TO
25 KT WITHIN 210 NM S OF STATIONARY FRONT W OF 167W.
.24 HOUR FORECAST FRONT FROM 25S137W TO 22S140W TO 16S150W TO
10S170W TO 09S178W. N TO NW WINDS 20 TO 25 KT WITHIN 120 NM E OF
FRONT S OF 22S. SE WINDS 20 TO 25 KT WITHIN 180 NM S OF FRONT
W OF 170W.
.48 HOUR FORECAST FRONT FROM 25S135W TO 15S145W TO 10S165W THENCE
TROUGH TO 13S177E. ASSOCIATED WINDS DECREASED TO 20 KT OR LESS OVER
FORECAST AREA.

.COLD FRONT FROM 25S165E TO 22S164E TO 18S160E MOVING E 20 KT. N TO
NW WINDS 20 TO 25 KT WITHIN 360 NM E OF FRONT S OF 22S.
.24 HOUR FORECAST FRONT FROM 25S172E TO 18S165E. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS OVER FORECAST WATERS.
.48 HOUR FORECAST FRONT FROM 25S177E TO 19S170E.

.TROUGH FROM 04S160E TO 03S170E TO 02S175E TO 01S175W NEARLY
STATIONARY. SCATTERED MODERATE TO STRONG TSTMS N OF 07S W OF 173W.
.24 HOUR FORECAST TROUGH FROM 04S160E TO 03S170E TO 02S176W.
.48 HOUR FORECAST TROUGH FROM 03S160E TO 01S177E.

.W WINDS 20 TO 30 KT S OF 23S BETWEEN 147W AND 158W.
.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS OVER FORECAST
WATERS.
.48 HOUR FORECAST W WINDS 20 TO 30 KT S OF 23S BETWEEN 140W AND 155W.

.E TO SE WINDS 20 TO 25 KT S OF 10S E OF 128W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 09S TO 20S E OF
123W.
.48 HOUR FORECAST ASSOCIATED WINDS DECREASED TO 20 KT OR LESS OVER
FORECAST WATERS.

.RIDGE FROM 25S132W TO 19S140W TO 14S151W MOVING E 10 KT.

.RIDGE FROM 25S174W TO 20S167W TO 16S156W MOVING E 10 KT.

.RIDGE FROM 25S176E TO 17S162E MOVING E 15 KT.

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

.SEAS 11 TO 14 FT S OF A LINE FROM 25S137W TO 20S164W TO 25S169W.
SEAS 8 TO 11 FT ELSEWHERE S OF A LINE FROM 08S120W TO 06S135W TO
19S145W TO 05S175W TO 25S175W.
.24 HOUR FORECAST SEAS 11 TO 13 FT S OF A LINE FROM 25S143W TO
16S160W TO 25S164W. SEAS 8 TO 11 FT ELSEWHERE E OF 140W AND S OF A
LINE FROM 20S140W TO 04S160W TO 05S175W TO 25S175W.
.48 HOUR FORECAST SEAS 11 TO 15 FT S OF A LINE FROM 25S124W TO
19S153W TO 25S160W. SEAS 8 TO 11 FT ELSEWHERE E OF 170W.

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

$$
.FORECASTER DWROE. HONOLULU HI.





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