High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 162245
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE SEP 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 16 2014.
24 HOUR FORECAST VALID 1800 UTC SEP 17 2014.
48 HOUR FORECAST VALID 1800 UTC SEP 18 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 09N147W 1010 MB MOVING NW 10 KT. TROUGH FROM LOW TO 09N151W TO
06N157W. SCATTERED MODERATE TO LOCALLY STRONG TSTMS WITHIN 240 NM E
OF LOW...AND WITHIN 90 NM S OF TROUGH.
.24 HOUR FORECAST LOW 10N151W 1011 MB. TROUGH FROM LOW TO 10N157W TO
06N162W.
.48 HOUR FORECAST LOW 12N152W 1011 MB. TROUGH FROM LOW TO 09N155W TO
06N162W.

.WEAKENING FRONT FROM 26N140W TO 23N145W MOVING SE 10 KT.
.24 HOUR FORECAST FRONT MOVED E OF AREA.

.TROUGH FROM 28N171W TO 23N170W MOVING NW 15 KT. ISOLATED TSTMS
WITHIN 150 NM OF TROUGH N OF 26N.
.24 HOUR FORECAST TROUGH FROM 30N174W TO 26N175W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 25N162E TO 20N162E TO 14N164E MOVING W 10 KT. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH FROM 15N176E TO 10N171E TO 05N160E MOVING W 10 KT. SCATTERED
MODERATE TSTMS WITHIN 240 NM S OF TROUGH AND WITHIN 90 NM N OF
TROUGH.
.24 HOUR FORECAST TROUGH FROM 14N172E TO 07N167E TO 06N160E.
.48 HOUR FORECAST TROUGH FROM 14N168E TO 10N167E TO 09N160E.

.RIDGE FROM 21N140W TO 20N147W NEARLY STATIONARY AND ERODING FROM
THE W.

.RIDGE FROM 30N163E TO 29N160E NEARLY STATIONARY.

.WINDS 20 KT OR LESS OVER ENTIRE AREA.

.SEAS 8 TO 10 FT N OF 27N E OF 151W.
.24 HOUR FORECAST SEAS 8 TO 9 FT E OF A LINE FROM 30N146W TO
24N140W.
.48 HOUR FORECAST SEAS LOWERED TO 8 FT OR LESS.

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

.ITCZ FROM 07N159W TO 06N166W TO 13N177E. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 240 NM OF ITCZ BETWEEN 165W AND 177W. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF ITCZ ELSEWHERE.

$$

.FORECASTER BRAVENDER. HONOLULU HI.




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