High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 152233
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15 2014.
24 HOUR FORECAST VALID 1800 UTC SEP 16 2014.
48 HOUR FORECAST VALID 1800 UTC SEP 17 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 08N147W 1010 MB MOVING NW 10 KT. SCATTERED MODERATE TSTMS
WITHIN 360 NM OF LOW E AND SE QUADRANTS. ISOLATED MODERATE TSTMS
ELSEWHERE WITHIN 180 NM OF LOW.
.24 HOUR FORECAST LOW NEAR 11N152W 1010 MB.
.48 HOUR FORECAST LOW NEAR 12N158W 1010 MB.

.LOW NEAR 08N170E 1008 MB MOVING W 15 KT. ASSOCIATED TSTMS INCLUDED
BELOW.
.24 HOUR FORECAST LOW DISSIPATED.

.COLD FRONT FROM 30N141W TO 25N146W TO 22N152W MOVING E 15 KT
THENCE A TROUGH TO 22N158W TO 24N163W. WINDS 20 TO 25 KT N OF 25N
WITHIN 180 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 27N140W TO 24N145W TO 22N148W THENCE A
TROUGH TO 20N157W. ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT FROM 24N140W TO 23N143W TO 22N148W. TROUGH
DISSIPATED.

.TROUGH FROM 15N173E TO 19N170E TO 23N169E. WINDS 20 TO 25 KT AND
SEAS 8 TO 10 FT WITHIN 480 NM E OF TROUGH. NUMEROUS MODERATE TO
STRONG TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 17N167E TO 21N165E. WINDS DIMINISHED
TO 20 KT OR LESS AND SEAS SUBSIDED TO 8 FT OR LOWER.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 22N140W TO 19N147W.
.24 HOUR FORECAST RIDGE DISSIPATED.

.RIDGE FROM 30N167E TO 27N160E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE WINDS INCREASING TO 20 KT OR GREATER.
.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 27N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 25N E OF 145W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 08N154W TO 05N163W TO 08N172W TO 06N179W. SCATTERED
MODERATE WITHIN 240 NM OF ITCZ W OF 172W. ISOLATED MODERATE TSTMS
WITHIN 120 NM OF ITCZ E OF 172W.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS FROM 19N TO 12N BETWEEN
178E AND 172W AND ALSO FROM 12N TO 00N BETWEEN 160E AND 178E.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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