High Seas Forecast
Issued by NWS

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000
FZPS40 PHFO 270325
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0530 UTC SAT MAY 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAY 27 2017.
24 HOUR FORECAST VALID 0000 UTC MAY 28 2017.
48 HOUR FORECAST VALID 0000 UTC MAY 29 2017.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S138W TO 20S146W TO 17S165W TO 11S178W THENCE TROUGH
TO 02S170E. FRONT MOVING E 20 KT S OF 20S...AND NEARLY STATIONARY
ELSEWHERE. TROUGH MOVING W 10 KT. E TO SE WINDS 20 TO 25 KT S OF 19S
BETWEEN 150W AND 165W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF
TROUGH...WITHIN 60 NM OF FRONT N OF 13S...AND WITHIN 60 NM OF LINES
FROM 03S166E TO 07S169E...AND FROM 09S169E TO 11S170E TO 11S174E.
.24 HOUR FORECAST FRONT FROM 25S131W TO 20S144W TO 15S158W. TROUGH
DISSIPATED. E TO SE WINDS 20 TO 25 KT S OF FRONT W OF 140W...AND
ELSEWHERE S OF 10S BETWEEN 150W AND 165W.
.48 HOUR FORECAST FRONT FROM 25S122W TO 20S135W THENCE TROUGH TO
15S139W. E TO SE WINDS 20 TO 30 KT S OF LINE FROM 24S128W TO 11S149W
TO 11S163W. E WINDS 20 TO 25 KT FROM 11S TO 17S BETWEEN 163W AND
174W.

.FRONT FROM 25S179E TO 20S174E TO 14S160E MOVING E SLOWLY S OF
21S...AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT FROM 25S180E TO 20S175E TO 15S160E. E WINDS
20 TO 25 KT FROM 11S TO 17S W OF 165E.
.48 HOUR FORECAST FRONT FROM 25S178W TO 20S175E TO 15S160E. E TO SE
WINDS 20 TO 25 KT FROM 08S TO 17S W OF 171E.

.TROUGH FROM 03S159W TO 10S153W MOVING W 10 KT. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS FROM 06S TO 11S BETWEEN 155W AND 159W.
.24 HOUR FORECAST TROUGH FROM 02S163W TO 09S158W.
.48 HOUR FORECAST TROUGH FROM 03S167W TO 10S160W.

.RIDGE FROM 25S129W TO 22S138W MOVING S 10 KT AND GRADUALLY ERODING
FROM THE W.

.RIDGE FROM 25S172W TO 20S180W MOVING SW 10 KT AND GRADUALLY ERODING
FROM THE W.

.RIDGE FROM 25S163E TO 22S172E MOVING S 10 KT AND GRADUALLY BUILDING
TOWARD THE E.

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

.SEAS 12 TO 13 FT S OF 24S BETWEEN 145W AND 152W. SEAS 8 TO 12 FT
ELSEWHERE S OF LINE FROM 24S141W TO 18S150W TO 18S167W. SEAS 8 TO 10
FT E OF LINE FROM 05S123W TO 13S132W TO 22S127W.
.24 HOUR FORECAST SEAS 12 TO 13 FT S OF 24S BETWEEN 134W AND 140W.
SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM 24S126W TO 10S152W TO
08S163W TO 08S167W. SEAS 8 TO 9 FT FROM 07S TO 18S E OF 131W.
.48 HOUR FORECAST SEAS 12 TO 13 FT S OF 23S BETWEEN 123W AND 141W.
SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM 07S120W TO 15S146W TO
09S153W TO 08S164W. SEAS 8 TO 10 FT FROM 08S TO 18S BETWEEN 164W AND
170W.

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

.ISOLATED MODERATE TSTMS FROM 05S TO 09S BETWEEN 171W AND 174W...AND
WITHIN 60 NM OF LINE FROM 08S163E TO 12S167E.

$$

.FORECASTER KINEL. HONOLULU HI.



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