000
FZPS40 PHFO 250332
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC THU APR 25 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 25 2019.
24 HOUR FORECAST VALID 0000 UTC APR 26 2019.
48 HOUR FORECAST VALID 0000 UTC APR 27 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 16S179W 1008 MB. TROUGH 17S170W THROUGH LOW TO 13S170E. LOW AND
TROUGH MOVING W SLOWLY.
.24 HOUR FORECAST LOW 16S176E 1008 MB. TROUGH 16S170W THROUGH LOW TO
12S174E. WINDS 20 TO 25 KT WITHIN 360 NM OF LOW SW QUADRANT. SEAS 8
TO 9 FT.
.48 HOUR FORECAST LOW 16S173E 1002 MB. TROUGH 20S180W THROUGH LOW TO
12S174E. SE WINDS 20 TO 25 KT WITHIN 180 NM OF LINE 23S178E 21S170W.

.FRONT 25S135W 19S146W MOVING E 15 KT. WINDS 20 TO 25 KT S OF FRONT.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 25S129W 22S130W. WINDS
DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH MOVED SE OF AREA.

.SHEAR LINE 19S146W 16S153W 17S170W NEARLY STATIONARY. E TO SE WINDS
20 TO 25 KT S OF SHEAR LINE.
.24 HOUR FORECAST SHEAR LINE 20S145W 18S147W 176170W. E TO SE WINDS
20 TO 25 KTS S OF SHEAR LINE.
.48 HOUR FORECAST SHEAR LINE 25S130W 18S160W 25S180W. E TO SE WINDS
20 TO 25 KT S OF SHEAR LINE.

.ITCZ 03S128W TO 04S140W TO 02S150W. SCATTERED STRONG TSTMS WITHIN
120 NM OF ITCZ.

.RIDGE 25S120W 22S139W MOVING SE 20 KT.

.48 HOUR FORECAST SE WINDS 20 TO 25 KT WITHIN 150 NM OF LINE 12S120W
08S130W.

.SEAS 8 TO 11 FT S OF LINE 00S120W 20S140W 15S165W 25S170E.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF LINE 02S140W 02S135W
18S135W 15S155W 20S175W 25S175W.
.48 HOUR FORECAST SEAS LITTLE CHANGE.

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

$$
.HONOLULU FORECASTER.