High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 222245
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON SEP 22 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 22 2014.
24 HOUR FORECAST VALID 1800 UTC SEP 23 2014.
48 HOUR FORECAST VALID 1800 UTC SEP 24 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT JUST N OF FORECAST AREA MOVING SE 10 KT.
.24 HOUR FORECAST FRONT FROM 30N143W TO 28N150W TO 28N160W.
.48 HOUR FORECAST FRONT FROM 27N140W TO 25N150W TO 26N165W.

.TROUGH FROM 17N148W TO 14N150W TO 10N150W MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 15N156W TO 10N158W. E WINDS 20 TO 25
KT FROM 14N TO 18N BETWEEN 152W AND 158W.
.48 HOUR FORECAST TROUGH FROM 15N162W TO 11N164W. E WINS 20 TO 25 KT
FROM 12N TO 16N BETWEEN 156W AND 164W.

.TROUGH FROM 22N165W TO 17N166W MOVING W SLOWLY AND DISSIPATING.
ISOLATED MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 13N160E TO 12N168E MOVING NW 10 KT. SCATTERED MODERATE
TO STRONG TSTMS FROM 05N TO 10N W OF 170E.
.24 HOUR FORECAST TROUGH MOVED W OF FORECAST AREA.

.24 HOUR FORECAST NEW FRONT FROM 30N145W TO 28N151W TO 29N160W.
.48 HOUR FORECAST FRONT FROM 27N140W TO 26N149W TO 27N162W.

.HIGH 25N144W 1019 MB NEARLY STATIONARY AND DISSIPATING. RIDGES FROM
HIGH TO 30N165W AND FROM HIGH TO 26N140W.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N176W TO 28N170E TO 26N160E MOVING E SLOWLY.

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

.SEAS 8 FT OR LESS OVER ENTIRE FORECAST AREA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 12N TO 18N BETWEEN 152W AND
162W.

.ISOLATED MODERATE TSTMS WITHIN 120 NM OF A LINE FROM 28N176E TO
18N168E TO 18N160E.

.ITCZ FROM 10N152W TO 10N175W TO 09N170E...AND FROM 09N143W TO
09N140W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM S OF THE
ITCZ BETWEEN 165W AND 172W. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN
120 NM OF THE ITCZ.

$$
.FORECASTER BURKE. HONOLULU HI.





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