High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 301715
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 30 2015.
24 HOUR FORECAST VALID 1200 UTC AUG 31 2015.
48 HOUR FORECAST VALID 1200 UTC SEP 01 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S147W TO 14S158W THENCE A TROUGH TO 08S164W MOVING
E SLOWLY. WINDS 20 TO 25 KT S OF 20S BETWEEN 133W AND 147W OVER
FORECAST AREA. ISOLATED MODERATE TSTMS WITHIN 120 NM SW OF TROUGH.
.24 HOUR FORECAST FRONT FROM 25S143W TO 15S152W THENCE A TROUGH TO
10S154W. N TO NW WINDS 20 TO 25 KT S OF 22S BETWEEN 135W AND FRONT
OVER FORECAST AREA.
.48 HOUR FORECAST FRONT FROM 25S136W TO 17S144W. WINDS EASED TO
20 KT OR LESS OVER FORECAST AREA.

.FRONT JUST SW OF FORECAST AREA MOVING ENE 10 KT.
.24 HOUR FORECAST FRONT FROM 25S165E TO 18S160E.
.48 HOUR FORECAST FRONT FROM 25S171E TO 19S167E.

.TROUGH FROM 01S160E TO 02S176W TO 00S169W MOVING S SLOWLY.
SCATTERED MODERATE TO STRONG TSTMS FROM 03S TO 07S BETWEEN 178W AND
178E. ISOLATED MODERATE TSTMS ELSEWHERE N OF 09S W OF 166W.
.24 HOUR FORECAST TROUGH FROM 05S160E TO 02S180E.
.48 HOUR FORECAST TROUGH FROM 02S160E TO 01S178E.

.SE WINDS 20 TO 25 KT FROM 09S TO 13S BETWEEN 166W AND 178W.
.24 HOUR FORECAST TROUGH FROM 01S176W TO 04S177W TO 08S174W.
SE WINDS 20 TO 25 KT FROM 09S TO 13S BETWEEN 167W AND 178W.
.48 HOUR FORECAST TROUGH FROM 01S179E TO 09S180E. E TO SE WINDS
20 TO 25 KT FROM 11S TO 14S BETWEEN 166W AND 178W.

.E TO SE WINDS 20 TO 25 KT FROM 11S TO 21S E OF 132W.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 06S TO 22S E OF
129W.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 10S TO 20S E OF
123W.

.WINDS 20 TO 30 KT S OF 22S BETWEEN 154W AND 166W.
.24 HOUR FORECAST SW TO W WINDS 20 TO 25 KT S OF 24S BETWEEN 143W
AND 148W.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.RIDGE FROM 25S131W TO 19S139W TO 16S145W TO 13S153W MOVING E SLOWLY
AND ERODING FROM THE W.

.RIDGE FROM 25S171E TO 18S160E MOVING E 15 KT.

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

.SEAS 8 TO 14 FT S OF A LINE FROM 20S137W TO 19S158W TO 14S161W TO
14S171W TO 22S176W. SEAS 8 TO 10 FT S OF A LINE FROM 11S120W TO
12S132W TO 14S137W. SEAS 8 TO 9 FT IN AREA BOUNDED BY 05S180W
05S174W 12S163W 11S176W 15S176E 10S174E 05S180W.
.24 HOUR FORECAST SEAS 8 TO 14 FT S OF A LINE FROM 20S137W TO
17S155W TO 10S158W TO 06S173W. SEAS 8 TO 10 FT E OF 137W AND FROM
06S TO 12S BETWEEN 173W AND 179W.
.48 HOUR FORECAST SEAS 8 TO 13 FT S OF A LINE FROM 19S136W TO
15S150W TO 05S151W TO 01S160W TO 09S171W. SEAS 8 TO 12 FT S OF A
LINE FROM 04S120W TO 00S136W. SEAS 8 TO 10 FT FROM 06S TO 13S
BETWEEN 171W AND 179W.

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

$$

.HONOLULU HI.








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