462
FZPS40 PHFO 151532
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15 2017.
24 HOUR FORECAST VALID 1200 UTC DEC 16 2017.
48 HOUR FORECAST VALID 1200 UTC DEC 17 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 13S179W 1007 MB NEARLY STATIONARY. TROUGH FROM LOW TO 12S169W
TO 16S160W TO 22S156W NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 240 NM N OF TROUGH E OF 178W...WITHIN 120 NM S OF LOW AND
TROUGH...AND ELSEWHERE S OF 20S BETWEEN 144W AND 162W...FROM 08S TO
23S BETWEEN 162W AND 175W...AND FROM 06S TO 22S BETWEEN 175W AND
178E.
.24 HOUR FORECAST LOW 14S180W 1006 MB. TROUGH FROM 15S160E TO LOW TO
12S171W TO 17S158W.
.48 HOUR FORECAST LOW 14S176W 1001 MB. TROUGH FROM 10S160E TO
12S164E TO LOW TO 16S159W.

.WEAK FRONT FROM 25S169W TO 24S171W MOVING NE 15 KT.
.24 HOUR FORECAST WEAK FRONT FROM 25S160W TO 19S163W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 23S120W TO 20S131W TO 19S142W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 25S120W TO 21S126W TO 20S141W.
.48 HOUR FORECAST TROUGH FROM 25S121W TO 21S127W TO 20S140W.

.TROUGH FROM 15S160E TO 15S169W NEARLY STATIONARY. SCATTERED
MODERATE TSTMS WITHIN 60 NM OF LINES FROM 11S163E TO 12S166E AND
FROM 09S168E TO 13S171E TO 17S176E. ISOLATED MODERATE TSTMS
ELSEWHERE FROM 04S TO 23S W OF 178E.
.24 HOUR FORECAST TROUGH MERGED WITH LOW AND TROUGH DESCRIBED ABOVE.

.RIDGE FROM 19S120W TO 17S126W TO 16S135W NEARLY STATIONARY.

.RIDGE FROM 03S161E TO 05S170E TO 05S177W TO 13S149W NEARLY
STATIONARY.

.SEAS 8 TO 9 FT S OF 22S E OF 124W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF LINE FROM 00S129W TO 04S134W
TO 07S151W TO 03S154W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 06S BETWEEN 125W AND
135W...AND S OF LINE FROM 22S169W TO 20S162W TO 20S169W TO 24S178W.

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

$$

.HONOLULU HI.