000
FZPS40 PHFO 231526
HSFSP

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...GALE WARNING...
.LOW 19S175W 1005 MB MOVING E 15 KT. TROUGH FROM LOW TO 16S175E TO
17S167E MOVING N 10 KT. WINDS 30 TO 40 KT FROM 19S TO 23S BETWEEN
169W AND 178W. WINDS 20 TO 30 KT ELSEWHERE OVER FORECAST WATERS S OF
LINE FROM 20S164W TO 17S174W TO 18S176E. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS FROM 15S TO 21S BETWEEN 170W AND 178W...AND
FROM 12S TO 15S BETWEEN 170W AND 172W.
.24 HOUR FORECAST LOW 19S171W 1008 MB. SECOND LOW 24S162W 1006 MB.
TROUGH FROM 25S161W TO SECOND LOW TO FIRST LOW TO 13S179E TO
12S171E. WINDS 30 TO 40 KT OVER FORECAST WATERS S OF 22S BETWEEN
156W AND 163W. WINDS 20 TO 30 KT S OF 21S BETWEEN 152W AND 156W...
AND ELSEWHERE S OF 18S BETWEEN 162W AND 174W.
.48 HOUR FORECAST FIRST LOW DISSIPATED. SECOND LOW MOVED S OF
FORECAST AREA. DEVELOPING FRONT FROM 25S154W TO 20S161W THENCE
TROUGH TO 15S171W. NW TO N WINDS 20 TO 30 KT S OF 22S BETWEEN FRONT
AND 150W. E TO SE WINDS 20 TO 25 KT S OF 22S BETWEEN 166W AND 174W.

.SYNOPSIS AND FORECAST.

.FRONT FROM 25S147W TO 22S156W TO 18S164W MOVING E 20 KT S OF 23S...
AND NEARLY STATIONARY ELSEWHERE. E TO SE WINDS 20 TO 25 KT S OF
FRONT E OF 160W...AND S OF 20S BETWEEN 160W AND 164W. ALSO...SEE
WINDS ASSOCIATED WITH GALE AREA DESCRIBED ABOVE.
.24 HOUR FORECAST FRONT MOVED S OF FORECAST AREA. ASSOCIATED TROUGH
FROM 25S143W TO 22S146W. WINDS EASED TO 20 KT OR LESS. SEE WINDS
ASSOCIATED WITH GALE AREA DESCRIBED ABOVE.
.48 HOUR FORECAST TROUGH DISSIPATED. SEE WINDS ASSOCIATED WITH GALE
AREA DESCRIBED ABOVE.

.TROUGH FROM 25S122W TO 21S130W TO 17S134W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 25S133W TO 20S135W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 03S139W TO 09S135W MOVING W 10 KT. ISOLATED MODERATE
TSTMS FROM 06S TO 09S BETWEEN 133W AND 136W.
.24 HOUR FORECAST TROUGH FROM 05S144W TO 11S140W.
.48 HOUR FORECAST TROUGH FROM 05S152W TO 11S148W.

.TROUGH FROM 06S163W TO 10S161W TO 12S159W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 04S160E TO 12S172E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 06S160E TO 09S166E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 07S176E 1010 MB NEARLY STATIONARY. RIDGE FROM 07S169E TO HIGH
TO 09S174W TO 14S167W.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 25S143W TO 23S147W MOVING E 10 KT AND GRADUALLY ERODING
FROM THE W.

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

.SEAS 13 TO 20 FT FROM 19S TO 24S BETWEEN 158W AND 176E. SEAS 8 TO
14 FT ELSEWHERE S OF LINE FROM 22S132W TO 19S154W TO 15S160W TO
16S179W TO 18S170E TO 24S165E.
.24 HOUR FORECAST SEAS 12 TO 16 FT S OF 21S BETWEEN 161W AND 175W.
SEAS 8 TO 12 FT ELSEWHERE S OF LINE FROM 22S135W TO 12S160W TO
16S178W TO 18S170E.
.48 HOUR FORECAST SEAS 8 TO 12 FT S OF LINE FROM 24S144W TO 22S161W
TO 17S170W TO 21S177E. SEAS 8 TO 9 FT S OF 21S BETWEEN 134W AND
144W...AND FROM 11S TO 20S E OF 130W.

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

.ISOLATED MODERATE TSTMS WITHIN 75 NM OF LINE FROM 03S177E TO
05S179W TO 07S179W TO 05S174W.

$$

.FORECASTER KINEL. HONOLULU HI.