High Seas Forecast
Issued by NWS

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FZPS40 PHFO 231531
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1730 UTC FRI JUN 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JUN 23 2017.
24 HOUR FORECAST VALID 1200 UTC JUN 24 2017.
48 HOUR FORECAST VALID 1200 UTC JUN 25 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S178W TO 23S178W TO 19S177E MOVING E 10 KT. N TO NE
WINDS 20 TO 25 KT S OF 23S BETWEEN FRONT AND 171W. ISOLATED MODERATE
TSTMS BETWEEN FRONT AND 172W.
.24 HOUR FORECAST FRONT FROM 25S173W TO 18S180W. WINDS EASED TO 20
KT OR LESS OVER FORECAST AREA.
.48 HOUR FORECAST FRONT FROM 25S167W TO 18S175W.

.FRONT FROM 25S135W TO 20S138W TO 16S146W TO 14S153W TO 13S163W TO
14S172W MOVING E 10 KT E OF 145W AND NEARLY STATIONARY ELSEWHERE.
WINDS 20 TO 25 KT WITHIN 180 NM E OF FRONT S OF 20S...AND S OF 23S
BETWEEN 142W AND 151W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
FRONT...AND ELSEWHERE FROM 10S TO 15S BETWEEN 154W AND 173W.
.24 HOUR FORECAST FRONT FROM 25S131W TO 17S138W TO 12S168W. WINDS 20
TO 25 KT S OF 21S BETWEEN FRONT AND 123W...AND S OF 24S BETWEEN
FRONT AND 139W.
.48 HOUR FORECAST FRONT FROM 25S125W TO 19S133W TO 15S142W TO
14S163W. WINDS EASED TO 20 KT OR LESS OVER FORECAST AREA.

.TROUGH FROM 07S160E TO 09S164E TO 07S170E TO 10S174E NEARLY
STATIONARY. SCATTERED MODERATE TO STRONG TSTMS BETWEEN TROUGH AND
12S W OF 165E. ISOLATED MODERATE TSTMS ELSEWHERE N OF 13S W OF
170E...AND N OF 09S BETWEEN 170E AND 175E.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 25S121W TO 23S123W TO 17S132W TO 13S144W NEARLY
STATIONARY AND WEAKENING FROM THE W.

.RIDGE FROM 25S170W TO 19S178W MOVING E 10 KT.

.RIDGE FROM 25S160E TO 22S166E TO 20S175E MOVING S SLOWLY.

.SE WINDS 20 TO 25 KT W OF 163E BETWEEN 10S AND 14S.
.24 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 12 TO 14 FT S OF 23S BETWEEN 146W AND 157W. SEAS 8 TO 12 FT
ELSEWHERE S OF A LINE FROM 25S126W TO 20S135W TO 20S148W TO 13S154W
TO 13S170W. SEAS 8 TO 10 FT S OF A LINE FROM 25S180E TO 20S171E TO
23S164E. SEAS 8 TO 9 FT S OF 22S BETWEEN 170W AND 179W.
.24 HOUR FORECAST SEAS 12 TO 17 FT S OF A LINE FROM 25S135W TO
20S142W TO 20S149W TO 25S154W. SEAS 8 TO 12 FT ELSEWHERE S OF A LINE
FROM 25S123W TO 21S126W TO 17S145W TO 17S165W. SEAS 8 TO 11 FT S OF
21S BETWEEN 178W AND 168E. SEAS 8 TO 9 FT FROM 12S TO 16S BETWEEN
153W AND 168W.
.48 HOUR FORECAST SEAS 8 TO 13 FT S OF A LINE FROM 25S120W TO
16S134W TO 16S157W. SEAS 8 TO 9 FT S OF A LINE FROM 25S170W TO
19S177W TO 19S176E.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 01S TO 08S BETWEEN 175E AND
174W...FROM 12S TO 15S BETWEEN 178E AND 177W...FROM 02S TO 09S
BETWEEN 174W AND 160W...FROM 03S TO 10S BETWEEN 160W AND 153W...FROM
06S TO 14S BETWEEN 142W AND 134W...AND FROM 15S TO 20S BETWEEN 137W
AND 134W.

$$

.HONOLULU HI.



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