High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 230327
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC MON JAN 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 23 2017.
24 HOUR FORECAST VALID 0000 UTC JAN 24 2017.
48 HOUR FORECAST VALID 0000 UTC JAN 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S174E TO 23S170E TO 21S160E MOVING NE SLOWLY.
SE WINDS 20 TO 25 KT AND SEAS 8 TO 9 FT S OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S176E TO 20S163E. SE WINDS 20 TO
25 KT AND SEAS 8 TO 9 FT S OF FRONT.
.48 HOUR FORECAST FRONT FROM 25S177E TO 20S164E. WIND DIMINISHED
TO 20 KT OR LESS AND SEAS DIMINISHED TO 8 FT OR LESS.

.FRONT FROM 25S144W TO 17S150W TO 13S160W TO 10S178W NEARLY
STATIONARY. N TO NW WINDS 20 TO 30 KT AND SEAS 8 TO 12 FT WITHIN
180 NM NE OF FRONT E OF 160W. SCATTERED MODERATE TO STRONG TSTMS
WITHIN 300 NM N AND E OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S143W TO 17S150W TO 08S170W. N TO
NW WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT WITHIN 120 NM NE OF FRONT
E OF 160W.
.48 HOUR FORECAST FRONT FROM 25S144W TO 16S155W TO 08S170W. WINDS
DIMINISHED TO 20 KT OR LESS AND SEAS LOWERED TO 8 FT OR LESS.

.FRONT FROM 22S120W TO 21S126W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT FROM 22S120W TO 20S126W.
.48 HOUR FORECAST FRONT FROM 21S120W TO 19S126W.

.TROUGH FROM 10S160E TO 10S170E TO 12S179E NEARLY STATIONARY.
SCATTERED MODERATE TO STRONG TSTMS N OF TROUGH W OF 176E. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 240 NM N AND 120 NM S OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 10S160E TO 09S170E TO 12S178E.
.48 HOUR FORECAST TROUGH FROM 09S160E TO 09S170E TO 12S178E.

.TROUGH FROM 25S170W TO 18S174W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 240 NM E OF TROUGH S OF 20S.
.24 HOUR FORECAST TROUGH FROM 25S170W TO 20S174W DISSIPATING.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25S124W TO 23S120W NEARLY STATIONARY.

.RIDGE FROM 25S180W TO 22S175E MOVING SE SLOWLY.

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

$$

.FORECASTER BURKE. HONOLULU HI.



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