High Seas Forecast
Issued by NWS

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917
FZPS40 PHFO 250339
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC TUE JUL 25 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUL 25 2017.
24 HOUR FORECAST VALID 0000 UTC JUL 26 2017.
48 HOUR FORECAST VALID 0000 UTC JUL 27 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING LOW 25S147W 1014 MB NEARLY STATIONARY. DISSIPATING
STATIONARY FRONT FROM 25S137W TO 21S138W TO 18S141W. WINDS
20 TO 30 KT SE OF A LINE FROM 08S120W TO 10S130W TO 20S133W
TO 21S138W TO 25S140W. ISOLATED MODERATE TSTMS S OF 21S
BETWEEN FRONT AND 130W.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 25S140W TO
21S141W TO 19S142W. WINDS 20 TO 25 KT S OF 22S E OF 130W.
.48 HOUR FORECAST TROUGH DISSIPATED. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS.

.DISSIPATING STATIONARY FRONT FROM 25S165W TO 21S173W TO
17S180W THENCE SHEAR LINE TO 12S170E TO 07S160E. SE WINDS 20
TO 25 KT FROM 10S TO 15S W OF 168E.
.24 HOUR FORECAST FRONT FROM 25S164W TO 19S173W THENCE
SHEAR LINE TO 13S172E TO 08S160E. E TO SE WINDS 20 TO 25 KT
FROM 10S TO 17S W OF 173E.
.48 HOUR FORECAST FRONT FROM 25S155W TO 15S165W.
E TO SE WINDS 20 TO 25 KT FROM 08S TO 17S W OF 170E.

.RIDGE FROM 24S160E TO 22S177W NEARLY STATIONARY AND
BUILDING E.

.RIDGE FROM 25S155W TO 21S161W MOVING E SLOWLY.

.SEAS 12 TO 16 FT S OF 22S BETWEEN 130W AND 142W. SEAS 11 TO
13 FT SE OF A LINE FROM 10S120W TO 16S133W TO 25S149W. SEAS 8 TO
11 FT SE OF A LINE FROM 05S120W TO 07S135W TO 15S139W TO 20S143W
TO 20S170W TO 25S172W. SEAS 8 TO 10 FT FROM 08S TO 17S W OF 179W.
.24 HOUR FORECAST SEAS 8 TO 10 FT SE OF A LINE FROM 04S120W TO
08S135W TO 16S140W TO 25S160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT SE OF A LINE FROM 13S120W TO
25S141W...AND S OF A LINE FROM 25S180W TO 21S172E TO 25S162E.

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

.SCATTERED MODERATE TSTMS N OF 06S BETWEEN 172E AND 167E...
AND FROM 02S TO 06S BETWEEN 176W AND 180W.

$$

.FORECASTER BIRCHARD. HONOLULU HI.



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