High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 212235
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC THU AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 21 2014.
24 HOUR FORECAST VALID 1800 UTC AUG 22 2014.
48 HOUR FORECAST VALID 1800 UTC AUG 23 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 13N147W 1010 MB MOVING SW SLOWLY. TROUGH FROM LOW TO
11N153W. ISOLATED MODERATE TO STRONG TSTMS WITHIN 150 NM OF LOW.
ISOLATED MODERATE TSTMS ELSEWHERE WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST LOW NEAR 12N148W 1010 MB. TROUGH FROM LOW TO
11N153W.
.48 HOUR FORECAST LOW NEAR 13N148W 1010 MB. TROUGH FROM LOW TO
09N156W.

.LOW NEAR 11N162W 1010 MB MOVING W SLOWLY. ASSOCIATED TSTMS INCLUDED
BELOW.
.24 HOUR FORECAST LOW NEAR 10N166W 1010 MB.
.48 HOUR FORECAST LOW NEAR 09N170W 1010 MB.

.COLD FRONT APPROACHING FORECAST AREA FROM N.
.48 HOUR FORECAST FRONT FROM 30N176E TO 29N169E TO 30N160E.

.STATIONARY FRONT FROM 30N177W TO 28N176W TO 28N168W. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT DISSIPATED.

.HIGH NEAR 27N163E 1014 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH NEAR 25N164E.
.48 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N161W TO 26N172W.
.48 HOUR FORECAST RIDGE FROM 30N168W TO 29N172W.

.WINDS INCREASING TO 20 KT OR GREATER.
.36 HOUR FORECAST WINDS 20 TO 25 KT N OF 25N E OF 150W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS BUILDING TO 8 FT OR HIGHER.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 25N E OF 150W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.MONSOON TROUGH FROM 06N164W TO 04N173W TO 05N177E. NUMEROUS
MODERATE TO STRONG TSTMS WITHIN 150 NM N OF MONSOON TROUGH.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE FROM 10N TO
02N BETWEEN 177E AND 155W. ALSO ISOLATED MODERATE TSTMS S OF 02S W
OF 162E.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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