High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 192316
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC TUE MAR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 19 2019.
24 HOUR FORECAST VALID 1800 UTC MAR 20 2019.
48 HOUR FORECAST VALID 1800 UTC MAR 21 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 20S155W 1010 MB. TROUGH 15S153W THROUGH LOW TO 25S155W. LOW AND
TROUGH MOVING NW SLOWLY.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 14S156W 21S160W.
.48 HOUR FORECAST TROUGH 11S161W 18S159W 23S161W.

.TROUGH 25S122W 18S130W 15S140W MOVING SE 20 KT.
.24 HOUR FORECAST TROUGH 25S121W 17S133W.
.48 HOUR FORECAST TROUGH MOVED SE OF AREA.

.TROUGH 25S168W 18S171W MOVING SE 20 KT.
.24 HOUR FORECAST 25S165W 22S163W.
.48 HOUR FORECAST TROUGH MOVED S OF AREA.

.TROUGH 13S174E 06S160E MOVING SW SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH W OF 170E.
.24 HOUR FORECAST 14S172E 09S160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.ITCZ 04S120W 03S126W 05S133W 03S143W 06S155W 03S172W 05S180W.
SCATTERED MODERATE

.RIDGE 23S120W 21S126W NEARLY STATIONARY.

.RIDGE 25S160W 17S167W MOVING SE 20 KT.

.NE TO SE WINDS 20 TO 25 KT S OF LINE 25S130W 20S135W 18S145W
25S168W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT S OF 20S BETWEEN 130W AND 150W.
.49 HOUR FORECAST E TO SE WINDS S OF 20S E OF 150W.

.SEAS 8 TO 10 FT S OF 19S BETWEEN 140W AND 160W.
.24 HOUR FORECAST SEAS 8 TO 9 FT S OF 20S E OF 160W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 21S E OF 165W.

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

.SCATTERED MODERATE TSTMS FROM 10S TO 16S BETWEEN 165W AND 175W.

$$
.HONOLULU FORECASTER.


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