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000
FZPN40 PHFO 181640
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT MAY 18 2013

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC MAY 18 2013.
24 HOUR FORECAST VALID 1200 UTC MAY 19 2013.
48 HOUR FORECAST VALID 1200 UTC MAY 20 2013.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N168E TO 26N160E MOVING E 15 KT. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N173E TO 27N170E.
.48 HOUR FORECAST WEAK FRONT FROM 30N179E TO 27N178E.

.FRONT FROM 30N156W TO 28N157W TO 26N160W. FRONT MOVING E SLOWLY N
OF 28N...AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT FROM 30N152W TO 26N153W...CONTINUING AS A
TROUGH TO 19N157W.
.48 HOUR FORECAST FRONT FROM 30N152W TO 26N151W TO 21N154W TO
18N157W.

.WEAK TROUGH FROM 23N155W TO 17N158W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.TROUGH FROM 30N160W TO 27N164W TO 26N170W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH FROM 30N154W TO 24N159W.
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.24 HOUR FORECAST NEW FRONT FROM 29N166E TO 26N160E.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST WATERS. S TO SW WINDS 20
TO 25 KT OVER FORECAST WATERS N OF 28N W OF 164E.

.RIDGE FROM 30N177W TO 25N175E TO 20N160E NEARLY STATIONARY.

.RIDGE FROM 30N144W TO 27N153W NEARLY STATIONARY.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 8 TO 11 FT S OF 23N E OF 172W. SEAS 8 TO 9 FT FROM 04N TO 20N
BETWEEN 172W AND 179E.
.24 HOUR FORECAST SEAS 8 TO 13 FT NW OF A LINE FROM 30N170E TO
25N160E. SEAS 8 TO 10 FT E OF 169W. SEAS 8 TO 9 FT FROM 07N TO 20N
BETWEEN 169W AND 179W.
.48 HOUR FORECAST SEAS 8 TO 13 FT N OF A LINE FROM 30N178W TO
21N164E TO 27N160E. SEAS 8 TO 10 FT S OF 17N E OF 160W...AND WITHIN
240 NM OF A LINE FROM 30N158W TO 18N167W.

.OTHERWISE...SEAS 8 FT OR LESS OVER REMAINDER OF FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 02N TO 11N BETWEEN 174E AND 166E.

.ITCZ FROM 05N140W TO 07N164W TO 04N174E. ISOLATED MODERATE TSTMS
WITHIN 240 NM N OF...AND WITHIN 150 NM S OF...ITCZ W OF 154W...AND
WITHIN 90 NM N OF ITCZ E OF 154W.

$$
.FORECASTER HOUSTON. HONOLULU HI.