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FZPS40 PHFO 231527
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT MAR 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 23 2019.
24 HOUR FORECAST VALID 1200 UTC MAR 24 2019.
48 HOUR FORECAST VALID 1200 UTC MAR 25 2019.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 16S161W 1009 MB MOVING S SLOWLY. TROUGH FROM 25S160W TO
20S162W TO LOW TO 11S166W MOVING S SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 240 NM OF LOW AND TROUGH N OF 20S.
.48 HOUR FORECAST LOW DISSIPATED, TROUGH FROM 25S157W TO 18S162W
TO 12S170W.
.48 HOUR FORECAST TROUGH FROM 25S156W TO 21S162W TO 12S171W.

.TROUGH FROM 24S120W TO 21S129W TO 21S140W TO 24S150W TO 22S153W
MOVING S SLOWLY. ISOLATED MODERATE TSTMS S OF 20S BETWEEN 143W
AND 153W...AND WITHIN 150 NM N OF TROUGH BETWEEN 130W AND 136W.
.24 HOUR FORECAST TROUGH FROM 25S120W TO 22S129W TO 23S140W.
.48 HOUR FORECAST TROUGH MOVED S OF AREA.

.TROUGH FROM 15S160E TO 18S172E TO 18S177W NEARLY STATIONARY.
SCATTERED MODERATE TO STRONG TSTMS FROM 11S TO 17S BETWEEN 172W
AND 173E. ISOLATED MODERATE TO LOCALLY STRONG TSTMS ELSEWHERE FROM
11S TO 22S W OF 172W.
.24 HOUR FORECAST TROUGH FROM 14S160E TO 16S170E TO 17S180E.
.48 HOUR FORECAST TROUGH FROM 14S160E TO 16S175E.

.TROUGH FROM 06S160E TO 08S175E MOVING SW SLOWLY. ISOLATED MODERATE
TSTMS N OF 11S W OF 178W.
.24 HOUR FORECAST TROUGH FROM 06S160E TO 10S170E.
.48 HOUR FORECAST TROUGH FROM 09S160E TO 11S170E

.TROUGH FROM 13S129W TO 19S120W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH FROM 13S136W TO 20S130W.
.48 HOUR FORECAST TROUGH FROM 13S141W TO 21S140W.

.24 HOUR FORECAST E WINDS 20 TO 25 KT S OF 21S BETWEEN 172E AND
165E.
.48 HOUR FORECAST E WINDS 20 TO 25 KT S OF 20S BETWEEN 175W AND
162E.

.RIDGE FROM 19S146W TO 10S161W MOVING SW SLOWLY.

.RIDGE FROM 25S155W TO 23S157W MOVING S SLOWLY.

.RIDGE FROM 25S177W TO 22S164W MOVING E SLOWLY.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 10 FT S OF 17S E OF 135W. SEAS 8 TO 9 FT S OF 23S
BETWEEN 148W AND 162W.
.24 HOUR FORECAST SEAS 8 TO 10 FT S OF 21S E OF 162W.
.48 HOUR FORECAST SEAS 8 TO 10 FT S OF 10S E OF 132W. SEAS 8 TO 9
FT S OF 22S BETWEEN 176W AND 174E.

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

.ISOLATED MODERATE TSTMS S OF 22S BETWEEN 171W AND 180E.

$$

.FORECASTER HOUSTON. HONOLULU HI.


Additional Resources:

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