High Seas Forecast
Issued by NWS

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FZPS40 PHFO 241525
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE JAN 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 24 2017.
24 HOUR FORECAST VALID 1200 UTC JAN 25 2017.
48 HOUR FORECAST VALID 1200 UTC JAN 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 11S176E 1007 MB MOVING SE SLOWLY. TROUGH FROM 11S179E TO LOW
TO 08S166E TO 08S160E MOVING S SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 210 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 12S178E 1007 MB. TROUGH FROM 13S180E TO LOW
TO 10S170E TO 10S160E.
.48 HOUR FORECAST LOW 13S180E 1007 MB. TROUGH FROM 14S178W TO LOW
TO 11S170E TO 10S160E.

.FRONT FROM 25S180E TO 20S167E...CONTINUING AS A TROUGH TO 18S160E.
FRONT AND TROUGH NEARLY STATIONARY. ISOLATED TSTMS WITHIN 90 NM NE
OF FRONT E OF 174E.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 25S177E TO 22S170E
TO 19S160E.
.48 HOUR FORECAST TROUGH FROM 25S175E TO 21S163E.

.FRONT FROM 21S120W TO 20S128W...CONTINUING AS A TROUGH TO 20S133W
TO 23S137W. FRONT AND TROUGH NEARLY STATIONARY. SCATTERED MODERATE
TSTMS WITHIN 150 NM N OF FRONT AND TROUGH.
.24 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 22S120W TO
20S130W TO 20S137W.
.48 HOUR FORECAST TROUGH FROM 23S120W TO 20S129W TO 20S138W.

.TROUGH FROM 25S148W TO 14S160W TO 10S169W TO 11S179E MOVING WSW
10 KT. SCATTERED MODERATE TO STRONG TSTMS WITHIN 360 NM N AND NE
OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 25S149W TO 22S154W TO 20S160W TO
13S168W TO 13S180E.
.48 HOUR FORECAST TROUGH FROM 25S162W TO 16S170W TO 14S178W.

.TROUGH FROM 08S137W TO 13S132W TO 17S127W MOVING WSW 20 KT.
ISOLATED MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 10S144W TO 18S138W.
.48 HOUR FORECAST TROUGH FROM 11S149W TO 19S142W.

.TROUGH FROM 25S169W TO 23S171W MOVING SW SLOWLY.
.24 HOUR FORECAST TROUGH MOVED S OF FORECAST AREA.

.RIDGE FROM 22S141W TO 09S155W TO 03S180E TO 03S162E NEARLY
STATIONARY.

.RIDGE FROM 25S162W TO 19S165W MOVING E SLOWLY.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 8 TO 9 FT S OF 21S BETWEEN 177E AND 166E.
.24 HOUR FORECAST SEAS DIMINISHED TO 8 FT OR LOWER.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

$$

.FORECASTER HOUSTON. HONOLULU HI.



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