High Seas Forecast
Issued by NWS

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FZPS40 PHFO 141536
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC THU DEC 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 14 2017.
24 HOUR FORECAST VALID 1200 UTC DEC 15 2017.
48 HOUR FORECAST VALID 1200 UTC DEC 16 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 23S120W TO 20S136W TO 20S144W TO 22S150W NEARLY
STATIONARY. ISOLATED MODERATE TSTMS WITHIN 180 NM N OF FRONT
E OF 138W.
.24 HOUR FORECAST FRONT FROM 24S120W TO 20S135W TO 18S152W.
.48 HOUR FORECAST FRONT FROM 25S120W TO 20S137W TO 19S145W.

.STATIONARY FRONT FROM 25S153W TO 15S162W THENCE TROUGH TO
13S175W TO 13S180W TO 16S170E TO 15S160E. SCATTERED MODERATE
TSTMS FROM 13S TO 18S W OF 175E...FROM 07S TO 13S W OF 168E...
AND WITHIN 240 NM E OF FRONT E OF 157W...AND FROM 11S TO 15S
BETWEEN 157W AND 163W.
.24 HOUR FORECAST FRONT FROM 25S154W TO 13S169W THENCE TROUGH
TO 14S180E TO 14S160E. WINDS 20 TO 25 KT FROM 18S TO 23S W OF
172E.
.48 HOUR FORECAST FRONT FROM 25S153W TO 20S158W TO 14S168W
THENCE TROUGH TO 14S171E TO 14S160E. SE WINDS 20 TO 25 KT S
OF 16S W OF 178E.

.TROUGH FROM 11S154W TO 16S149W MOVING SW SLOWLY. ISOLATED
MODERATE TSTMS FROM 10S TO 13S BETWEEN 146W AND 151W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 18S120W TO 13S140W TO 09S157W TO 06S180E TO
04S161E NEARLY STATIONARY.

.RIDGE FROM 25S176E TO 21S176W TO 18S165W MOVING N SLOWLY.

.SEAS 8 FT OR LESS ENTIRE AREA.
.24 HOUR FORECAST SEAS 8 TO 9 FT SE OF A LINE FROM 21S120W TO
25S127W...AND N OF 02S BETWEEN 155W AND 169W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 04S BETWEEN 136W AND 153W.

.REMAINDER OF AREA WINDS 20 KT OR LESS AND SEAS 8 FT OR LESS.

$$

.FORECASTER BIRCHARD. HONOLULU HI.



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