High Seas Forecast
Issued by NWS

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FZPS40 PHFO 281539
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC SAT MAY 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28 2016.
24 HOUR FORECAST VALID 1200 UTC MAY 29 2016.
48 HOUR FORECAST VALID 1200 UTC MAY 30 2016.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 14S142W 1011 MB NEARLY STATIONARY. TROUGH FROM LOW TO 17S130W
THENCE A DISSIPATING STATIONARY FRONT TO 17S120W. ISOLATED MODERATE
TSTMS WITHIN 120 NM N OF TROUGH.
.48 HOUR FORECAST LOW NEAR 18S138W 1011 MB. TROUGHS FROM LOW TO 17S130W
AND FROM LOW TO 15S142W.

.TROUGH FROM 08S173W TO 09S165W TO 12S160W TO 14S152W. NUMEROUS
MODERATE TO STRONG TSTMS WITHIN 300 NM EITHER SIDE OF TROUGH AXIS W
OF 165W. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE WITHIN 480 NM
EITHER SIDE OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH ROM 07S175W TO 10S166W TO 13S161W TO 15S153W.
.48 HOUR FORECAST TROUGH FROM 09S177W TO 11S169W TO 14S162W.

.RIDGE FROM 25S168W TO 20S173W.
.24 HOUR FORECAST RIDGE FROM 25S166W TO 22S173W.
.48 HOUR FORECAST RIDGE FROM 25S162W 22S171W.

.RIDGE FROM 23S177E TO 17S160E.
.24 HOUR FORECAST RIDGE FLATTENED OVER FORECAST AREA.

.RIDGE BUILDING OVER FORECAST AREA.
.48 HOUR FORECAST RIDGE FROM 23S160E TO 21S176E.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 TO 11 FT WITHIN A POLYGON BOUND BY 08S120W 25S120W 25S137W
20S146W 11S134W 08S120W.
.24 HOUR FORECAST SEAS 8 TO 9 FT WITHIN A POLYGON BOUND BY 01S120W
25S120W 25S125W 05S130W 01S120W. ALSO SEAS BUILDING TO 8 TO 11 FT SW
OF A LINE FROM 25S171E TO 21S163E.
.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER...EXCEPT SEAS 8 TO 9 FT
S OF OF A LINE FROM 25S176W TO 23S179E 23S168E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.CONVERGENCE ZONE 06S178W TO 06S174E TO 03S166E TO 02S160E. NUMEROUS
STRONG TSTMS WITHIN 180 NM OF LINE OF CONVERGENCE BETWEEN 174E AND 166E.
ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE WITHIN 360 NM OF LINE OF
CONVERGENCE.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS WITHIN 210 NM OF 04S150W.

$$

.FORECASTER BEDAL. HONOLULU HI.



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