High Seas Forecast
Issued by NWS

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FZPS40 PHFO 201700
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SUN APR 20 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 20 2014.
24 HOUR FORECAST VALID 1200 UTC APR 21 2014.
48 HOUR FORECAST VALID 1200 UTC APR 22 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 07S168E 1010 MB MOVING W SLOWLY. TROUGH FROM 05S160E THROUGH
LOW TO 11S174E MOVING W SLOWLY. ISOLATED MODERATE TSTMS N OF LOW AND
TROUGH...AND WITHIN 150 NM S OF LOW.
.24 HOUR FORECAST LOW 07S164E 1009 MB. TROUGH FROM 06S160E THROUGH
LOW TO 09S172E.
.48 HOUR FORECAST LOW MOVED W OF AREA. TROUGH FROM LOW TO 08S164E TO
07S167E.

.FRONT FROM 25S150W TO 19S154W TO 15S161W TO 14S178W. FRONT MOVING E
SLOWLY S OF 19S...AND NEARLY STATIONARY ELSEWHERE. SCATTERED
MODERATE TO LOCALLY STRONG TSTMS WITHIN 420 NM E OF FRONT S OF 18S.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S148W TO 19S151W TO 16S157W.
.48 HOUR FORECAST FRONT DISSIPATED.

.FRONT FROM 25S180W TO 20S171E TO 17S161E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT FROM 25S175W TO 21S174E.
.48 HOUR FORECAST FRONT FROM 25S170W TO 20S180E.

.FRONT FROM 23S120W TO 19S129W TO 21S140W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT FROM 23S120W TO 19S132W.
.48 HOUR FORECAST WEAKENING FRONT FROM 23S120W TO 21S127W TO 21S135W.

.HIGH JUST S OF AREA NEAR 26S174W 1016 MB MOVING ESE SLOWLY. RIDGE
FROM HIGH TO 25S174W TO 19S156W MOVING E SLOWLY.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 25S142W TO 19S148W NEARLY STATIONARY.

.RIDGE FROM 01S173E TO 10S178W MOVING W SLOWLY.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 20S E OF 140W.
.48 HOUR FORECAST SEAS 12 TO 14 FT SW OF A LINE FROM 18S120W TO
25S131W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE FROM 13S120W TO
13S131W TO 25S146W.

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

.ISOLATED MODERATE TSTMS N OF 03S BETWEEN 172W AND 180E...AND N OF
03S BETWEEN 126W AND 149W.

$$
.FORECASTER HOUSTON. HONOLULU HI.






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