High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 180431
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT APR 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC APR 18 2015.
24 HOUR FORECAST VALID 0000 UTC APR 19 2015.
48 HOUR FORECAST VALID 0000 UTC APR 20 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 25S121W 20S125W MOVING SE 15 KT AND WEAKENING. NW TO N WINDS
20 TO 30 KT S OF 18S E OF 123W. ISOLATED MODERATE TSTMS WITHIN 60 NM
OF FRONT S OF 22N.
.24 HOUR FORECAST FRONT DISSIPATED. NW WINDS 20 TO 30 KT S OF 22S E
OF 124W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.FRONT 25S155W 18S173W MOVING E 10 KT S OF 23S...NEARLY
STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS N OF 15S W OF 180E.
.24 HOUR FORECAST FRONT 25S150W 19S168W.
.48 HOUR FORECAST WEAKENING FRONT 25S137W 21S155W.

.TROUGH 05S160E TO 01S174E NEARLY STATIONARY. SCATTERED STRONG TSTMS
N OF 10S W OF 177E.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.E TO SE WINDS 20 TO 25 KT FROM 15S TO 22W W OF 180E...AND FROM 17S
TO 20S BETWEEN 170W AND 180E.
.24 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 15S TO 23S W OF
180E.
.48 HOUR FORECAST E TO SE WINDS 20 TO 25 KT FROM 15S TO 20S W OF
174E.

.SEAS 8 TO 13 FT S OF 20S E OF 133W. SEAS 8 TO 11 FT S OF 17S
BETWEEN 155W AND 170E. SEAS 8 TO 10 FT FROM 15S TO 20S W OF 165E.
.24 HOUR FORECAST SEAS 8 TO 11 FT S OF 20S E OF 139W. SEAS 8 TO 10
FT S OF 20S E OF 138W...S OF 20S BETWEEN 145W AND 160W...AND S OF
15S BETWEEN 160W AND 173W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 22S BETWEEN 135W AND 150W.

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

.SCATTERED STRONG TSTMS WITHIN 120 NM OF LINE 10S178W 14S169W.

$$
.HONOLULU HI.





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