High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 110312
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC MON DEC 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 11 2017.
24 HOUR FORECAST VALID 0000 UTC DEC 12 2017.
48 HOUR FORECAST VALID 0000 UTC DEC 13 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM ALONG 25S FROM 160W TO 132W. ISOLATED MODERATE TSTMS
S OF 23S BETWEEN 164W AND 145W.
.24 HOUR FORECAST FRONT FROM 25S150W TO 22S140W TO 22S130W TO
25S125W. NW WINDS 20 TO 30 KT S OF 23S E OF 127W.
.48 HOUR FORECAST FRONT FROM 25S150W TO 20S140W TO 20S130W TO
24S120W. NW WINDS 20 TO 30 KT FROM 20S 24S E OF 123W.

.TROUGH FROM 25S168W TO 19S170W TO 12S174E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 20S165W TO 11S170E.
.48 HOUR FORECAST TROUGH FROM 20S162W TO 15S170W TO 11S170E.

.TROUGH FROM 25S167E TO 20S167E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH NO CHANGE.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 FORECAST FRONT 25S161W TO 20S162W TO 16S170W.
.48 HOUR FORECAST FRONT 25S159W TO 20S161W.

.RIDGE FROM 25S120W TO 23S130W TO 19S152W.

.RIDGE FROM 12S163W TOTO 09S170W TO 06S165E.

.SEAS 8 TO 12 FT S OF LINE FROM 20S180W TO 20S170W TO 25S150W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 24S E OF 180W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF A LINE FROM 20S120W TO
20S130W TO 25S145W.

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

.ISOLATED MODERATE TSTMS WITHIN 120 NM OF A LINE FROM 09S176E TO
14S162W...AND FROM 07S TO 20S W OF 165E.

$$

.FORECASTER MORRISON. HONOLULU HI.



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