High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 181030
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC FRI APR 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 18 2014.
24 HOUR FORECAST VALID 0600 UTC APR 19 2014.
48 HOUR FORECAST VALID 0600 UTC APR 20 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N166W TO 26N180E TO 24N172E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 90 NM N OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N166W TO 27N175E.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST AREA.

.TROUGH FROM 26N160E TO 27N165E MOVING N 10 KT.
.24 HOUR FORECAST TROUGH BECOMING COLD FRONT FROM 30N162E TO
28N160E. S TO SW WINDS 20 TO 25 KT WITHIN 210 NM E OF COLD FRONT.
.48 HOUR FORECAST COLD FRONT FROM 30N167E TO 27N164E TO 25N160E. S
TO SW WINDS 20 TO 30 KT WITHIN 270 NM E OF FRONT N OF 26N.

.TROUGH FROM 09N167E TO 02N167E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS S OF 10N W OF 171E.
.24 HOUR FORECAST TROUGH FROM 08N165E TO 01N165E.
.48 HOUR FORECAST TROUGH MOVED JUST W OF FORECAST AREA.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N BETWEEN 142W AND 150W...
AND FROM 06N TO 16N BETWEEN 150W AND 162W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N BETWEEN
142W AND 151W...AND FROM 08N TO 13N BETWEEN 151W AND 166W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 19N BETWEEN
154W AND 180E.

.48 HOUR FORECAST NEW COLD FRONT FROM 30N163E TO 29N160E.

.HIGH 29N148W 1025 MB MOVING E SLOWLY. RIDGES FROM HIGH TO
30N142W...FROM HIGH TO 26N140W...AND FROM HIGH TO 27N167W MOVING E
SLOWLY.
.24 HOUR FORECAST HIGH 30N145W 1025 MB.
.48 HOUR FORECAST HIGH MOVED N OF FORECAST AREA.

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

.SEAS 8 TO 10 FT FROM 05N TO 20N E OF 153W...FROM 02N TO 18N BETWEEN
171W AND 170E...AND N OF 27N BETWEEN 175W AND 172W. SEAS 8 TO 9 FT
FROM 05N TO 17N BETWEEN 153W AND 171W.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 18N E OF 160W. SEAS 8
TO 9 FT FROM 05N TO 14N BETWEEN 160W AND 177W...AND FROM 07N TO 17N
BETWEEN 177W AND 170E.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 06N TO 16N E OF 171E.

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

.ISOLATED MODERATE TSTMS FROM 04N TO 10N BETWEEN 160W AND 171W...AND
S OF 07N BETWEEN 171W AND 171E.

.ITCZ FROM 04N140W TO 01N160W. ISOLATED MODERATE TSTMS WITHIN 120 NM
OF ITCZ.

$$
.FORECASTER HOUSTON. HONOLULU HI.





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