High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 281715
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC TUE APR 28 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28 2015.
24 HOUR FORECAST VALID 1200 UTC APR 29 2015.
48 HOUR FORECAST VALID 1200 UTC APR 30 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S176E TO 23S171E...THENCE CONVERGENCE LINE TO 16S160E.
FRONT MOVING E 10 KT. CONVERGENCE LINE NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF CONVERGENCE LINE.
.24 HOUR FORECAST WEAKENING FRONT FROM 25S178W TO 23S178E.
CONVERGENCE LINE DISSIPATED. SE WINDS 20 TO 25 KT S OF LINE FROM
20S172E TO 18S160E.
.48 HOUR FORECAST FRONT DISSIPATED OVER FORECAST AREA. SE TO E WINDS
20 TO 25 KT S OF 16S W OF 180E.

.FRONT FROM 25S151W TO 23S153W TO 21S157W...THENCE CONVERGENCE LINE
TO 15S172W. FRONT MOVING E 15 KT. CONVERGENCE LINE NEARLY STATIONARY.
.24 HOUR FORECAST FRONT FROM 25S143W TO 18S149W. CONVERGENCE LINE
DISSIPATED.
.48 HOUR FORECAST DISSIPATING FRONT FROM 25S138W TO 21S143W.

.TROUGH FROM 12S155W TO 17S154W TO 23S148W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS S OF 20S BETWEEN 142W AND 149W...AND
ELSEWHERE WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MERGED WITH THE SECOND FRONT DESCRIBED
ABOVE.

.RIDGE FROM 25S140W TO 21S143W TO 17S149W MOVING E 10 KT AND
ERODING FROM THE W.

.RIDGE FROM 25S177W TO 24S178E MOVING NE SLOWLY.

.SEAS 8 TO 11 FT S OF LINE FROM 14S120W TO 15S130W TO 23S141W. SEAS
8 TO 9 FT S OF 23S BETWEEN 162E AND 170E.
.24 HOUR FORECAST SEAS 12 TO 16 FT S OF 21S E OF 133W. SEAS 8 TO
12 FT ELSEWHERE S OF LINE FROM 07S120W TO 10S128W TO 20S138W TO
20S145W TO 24S149W. SEAS 8 TO 10 FT S OF LINE FROM 24S177E TO
21S172E TO 19S160E.
.48 HOUR FORECAST SEAS 8 TO 14 FT E OF LINE FROM 01S120W TO 07S133W
TO 25S135W. SEAS 8 TO 11 FT S OF 18S W OF 176E.

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

.ISOLATED MODERATE TSTMS N OF 15S W OF 175W...N OF 12S BETWEEN 161W
AND 170W...AND N OF 04S BETWEEN 133W AND 144W.

$$

.HONOLULU HI.





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