High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 011121
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SUN MAY 01 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 01 2016.
24 HOUR FORECAST VALID 0600 UTC MAY 02 2016.
48 HOUR FORECAST VALID 0600 UTC MAY 03 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.LOW NEAR 14S153W 1011 MB. TROUGHS FROM LOW TO 19S145W TO 18S135W AND
FROM LOW TO 13S159W TO 14S165W. SCATTERED MODERATE TO STRONG TSTMS OVER
FORECAST WATERS N OF TROUGH AXIS. ISOLATED MODERATE TSTMS WITHIN 120 NM
S OF TROUGH AXIS.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 14S153W TO 19S145W TO
18S135W.
.48 HOUR FORECAST DEVELOPING LOW NEAR 21S132W. TROUGHS FROM LOW TO
25S156W AND FROM LOW TO 18S139W TO 17S145W.

.LOW NEAR 08S174W 1008 MB MOVING SW 05 KT. TROUGHS FROM LOW TO 13S170W
TO 14S165W AND FROM LOW TO 06S179W TO 05S175E. SCATTERED MODERATE
TO STRONG TSTMS WITHIN 360 NM OF LOW SW QUADRANT. ISOLATED MODERATE
TO STRONG TSTMS WITHIN 240 NM EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST LOW NEAR 12S175W. TROUGH FROM LOW TO 13S170W TO
14S165W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 14S178W TO 18S173W.

.COLD FRONT FROM 21S120W TO 19S126W TO 19S132W MOVING NE 10 KT.
.24 HOUR FORECAST FRONT FROM 17S120W TO 16S126W.
.48 HOUR FORECAST FRONT DISSIPATED OVER FORECAST WATERS.

.TROUGH FROM 05S137W TO 09S130W. ISOLATED MODERATE TO STRONG TSTMS
WITHIN 150 NM EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 05S142W TO 09S137W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.HIGH DEVELOPING OVER FORECAST AREA.
.12 HOUR FORECAST HIGH NEAR 12S125W 1014 MB.
.48 HOUR FORECAST HIGH NEAR 15S131W 1012 MB.

.RIDGE FROM 15S120W TO 15S136W.
.12 HOUR FORECAST RIDGE DISSIPATED.

.WINDS E TO SE 20 TO 25 KT WITHIN A POLYGON BOUND BY 15S173W 16S160W
25S170W 25S170E 17S175E 15S173W.
.24 HOUR FORECAST WINDS E TO SE 20 TO 30 KT WITHIN A POLYGON BOUND BY
15S175W 18S150W 22S150W 25S165W 25S175E 18S175E 15S175W.
.48 HOUR FORECAST WINDS E TO SE 20 TO 30 KT WITHIN A POLYGON BOUND BY
15S160W 20S145W 25S160W 25S170E 18S175W 15S160W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 10 FT WITHIN A POLYGON BOUND BY 15S175W 20S147W 23S170W 25S175E
18S175E 15S175W.
.24 HOUR FORECAST SEAS 8 TO 11 FT WITHIN A POLYGON BOUND BY 15S177W 15S166W
18S150W 25S145W 25S177E 20S177E 15S177W.
.48 HOUR FORECAST SEAS 8 TO 13 FT WITHIN A POLYGON BOUND BY 14S165W 17S155W
19S140W 25S130W 25S173E 21S171E 14S165W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TSTMS OVER FORECAST WATERS N OF 03S W OF 175E.

$$

.FORECASTER BEDAL. HONOLULU HI.



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