The High Seas Forecast for the Central North Pacific

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FZPN40 PHFO 231630
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 23 2014.
24 HOUR FORECAST VALID 1200 UTC AUG 24 2014.
48 HOUR FORECAST VALID 1200 UTC AUG 25 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 13N147W 1009 MB NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF LOW.
.24 HOUR FORECAST LOW 14N145W 1008 MB.
.48 HOUR FORECAST LOW 14N142W 1008 MB.

.LOW 10N168W 1010 MB MOVING W 10 KT. ISOLATED MODERATE WITHIN 210 NM
OF LOW.
.24 HOUR FORECAST LOW 10N174W 1009 MB.
.48 HOUR FORECAST LOW 10N180E 1009 MB.

.COLD FRONT FROM 30N171E TO 29N165E TO 30N160E MOVING S SLOWLY.
.24 HOUR FORECAST FRONT FROM 30N174E TO 28N168E TO 28N161E.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N171E TO 27N162E.

.FRONT FROM 30N179W TO 27N175E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT DISSIPATED.

.E TO NE WINDS 20 TO 25 KT OVER FORECAST WATERS N OF 26N E OF 148W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT OVER FORECAST WATERS N
OF 28N E OF 145W.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

.HIGH JUST W OF AREA NEAR 27N158E 1016 MB MOVING W SLOWLY. RIDGE
FROM HIGH TO 25N160E TO 24N164E TO 24N171E NEARLY STATIONARY.
.24 HOUR FORECAST HIGH DISSIPATED.

.RIDGE FROM 30N167W TO 27N175W TO 25N175E NEARLY STATIONARY.

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

.SEAS 8 TO 9 FT N OF 25N E OF 148W.
.24 HOUR FORECAST SEAS 8 TO 9 FT N OF 22N E OF 152W...AND FROM 10N
TO 16N E OF 146W.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF 26N E OF 145W

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 05N TO 12N BETWEEN 178W AND 174E.

.MONSOON TROUGH FROM 12N140W TO 13N142W THROUGH LOW NEAR 13N147W TO
11N150W THROUGH LOW NEAR 10N168W TO 07N176W. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS ELSEWHERE WITHIN 210 NM OF MONSOON TROUGH.

$$
.FORECASTER HOUSTON. HONOLULU HI.




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