The High Seas Forecast for the South Pacific

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FZPS40 PHFO 241034
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 24 2017.
24 HOUR FORECAST VALID 0600 UTC JAN 25 2017.
48 HOUR FORECAST VALID 0600 UTC JAN 26 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 11S176E 1007 MB MOVING SE SLOWLY. TROUGH FROM 12S179E TO LOW
TO 08S164E TO 08S160E MOVING S SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 240 NM OF LOW AND TROUGH.
.24 HOUR FORECAST LOW 12S177E 1006 MB. TROUGH FROM 13S179E TO LOW
TO 09S166E TO 10S160E.
.48 HOUR FORECAST LOW 14S179E 1005 MB. TROUGH FROM 16S175W TO LOW
TO 11S170E TO 10S160E.

.FRONT FROM 25S178E TO 21S170E TO 18S160E NEARLY STATIONARY.
ISOLATED TSTMS WITHIN 90 NM NE OF FRONT E OF 174E.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S178E TO 21S170E...
CONTINUING AS A TROUGH TO 19S160E.
.48 HOUR FORECAST TROUGH FROM 25S176E TO 18S160E.

.FRONT FROM 20S120W TO 20S129W...CONTINUING AS A TROUGH TO 23S138W.
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 21S120W TO
20S130W TO 22S138W.
.48 HOUR FORECAST TROUGH FROM 22S120W TO 20S133W.

.TROUGH FROM 25S146W TO 12S161W TO 10S170W TO 12S179E MOVING WSW
10 KT. SCATTERED MODERATE TO STRONG TSTMS WITHIN 360 NM N AND NE
OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 25S149W TO 21S155W TO 12S166W TO
13S179E.
.48 HOUR FORECAST TROUGH FROM 25S149W TO 23S157W TO 23S163W TO
16S175W.

.TROUGH FROM 10S134W TO 16S126W MOVING WSW 20 KT. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 12S144W TO 18S138W.
.48 HOUR FORECAST TROUGH FROM 12S148W TO 21S140W.

.TROUGH FROM 25S169W TO 22S172W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH FROM 25S170W TO 23S172W
.48 HOUR FORECAST TROUGH MOVED S OF FORECAST AREA.

.RIDGE FROM 21S140W TO 09S152W TO 04S170W TO 04S168E NEARLY
STATIONARY.

.RIDGE FROM 25S165W TO 22S167W MOVING E SLOWLY.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 8 TO 9 FT S OF 22S BETWEEN 178E AND 163E.
.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.


Additional Resources:

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