High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 011532
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAY 01 2016.
24 HOUR FORECAST VALID 1200 UTC MAY 02 2016.
48 HOUR FORECAST VALID 1200 UTC MAY 03 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.LOW NEAR 16S152W 1011 MB NEARLY STATIONARY. TROUGHS FROM LOW TO 19S145W
TO 18S136W AND FROM LOW TO 13S158W TO 14S164W. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 360 NM OF LOW AND ALSO WITHIN 180 NM EITHER SIDE
OF TROUGH AXIS.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 18S136W TO 19S145W TO
16S152W TO 13S158W. DEVELOPING LOW ALONG TROUGH NEAR 18S136W 1014 MB.
.48 HOUR FORECAST LOW NEAR 25S128W 1012 MB. DEVELOPING COLD FRONT FROM
LOW TO 20S135W TO 19S145W.

.LOW NEAR 08S174W 1007 MB MOVING SW 05 KT. TROUGHS FROM LOW TO 13S170W
TO 14S164W AND FROM LOW TO 06S179W TO 05S175E. ASSOCIATED TSTMS INCLUDED
BELOW.
.24 HOUR FORECAST LOW NEAR 10S175W 1008 MB. TROUGHS FROM LOW TO 13S169W.
.48 HOUR FORECAST DISSIPATING LOW NEAR 12S175W 1009 MB. TROUGH FROM
15S179E TO 21S175W.

.COLD FRONT FROM 21S120W TO 19S131W MOVING NE 10 KT.
.24 HOUR FORECAST FRONT FROM 16S120W TO 16S127W.
.48 HOUR FORECAST FRONT DISSIPATED OVER FORECAST AREA.

.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.
.48 HOUR FORECAST HIGH NEAR 14S132W 1015 MB.

.RIDGE FROM 15S120W TO 14S128W.
.24 HOUR FORECAST RIDGE FLATTENED OVER FORECAST AREA.

.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 SCATTERED MODERATE TO STRONG TSTMS WITHIN A POLYGON BOUND BY
00S165E 00S160W 15S165W 15S175W 00S165E.

$$

.FORECASTER ABEDAL. HONOLULU HI.


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