High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 201022
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 20 2014.
24 HOUR FORECAST VALID 0600 UTC DEC 21 2014.
48 HOUR FORECAST VALID 0600 UTC DEC 22 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N172W TO 25N179E TO 20N166E THENCE STATIONARY
FRONT TO 19N160E. COLD FRONT MOVING SE 20 KT. WINDS 20 TO 30 KT NW
OF FRONT...EXCEPT WINDS 20 KT OR LESS NW OF A LINE FROM 30N168E TO
27N160E. ALSO WINDS 20 TO 25 KT WITHIN 210 NM E OF FRONT N OF 24N.
.24 HOUR FORECAST FRONT FROM 30N160W TO 22N173W TO 18N175E. NE TO E
WINDS 20 TO 30 KT FROM 09N TO 26N W OF 175W. ALSO WINDS 20 TO 25 KT
N OF 23N BETWEEN 175W AND 163W.
.48 HOUR FORECAST FRONT FROM 30N153W TO 22N160W TO 18N170W. NE TO E
WINDS 20 TO 30 KT N OF 07N BETWEEN 160W AND 175W...AND FROM 07N TO
26N W OF 175W.

.TROUGH FROM 03N160E TO 00N170E NEARLY STATIONARY.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST TROUGH DISSIPATED.

.HIGH 29N140W 1026 MB MOVING NE 15 KT. RIDGE FROM HIGH TO 26N154W TO
23N169W TO 21N180W NEARLY STATIONARY AND ERODING FROM THE W.
.24 HOUR FORECAST HIGH MOVED NE OF FORECAST AREA.

.NE TO E WINDS 20 TO 25 KT FROM 05N TO 23N E OF 150W...AND FROM 05N
TO 20N BETWEEN 150W AND 165W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 23N E OF
150W...AND FROM 07N TO 18N BETWEEN 150W AND 166W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 21N E OF
145W...AND FROM 06N TO 16N BETWEEN 145W AND 160W.

.REMAINDER OF AREA WINDS 20 KT OR LESS.

.SEAS 15 TO 24 FT N OF A LINE FROM 30N174W TO 23N177E TO 23N169E TO
30N164E. SEAS 8 TO 15 FT ELSEWHERE NW OF A LINE FROM 30N168W TO
20N175W TO 14N176E TO 10N170E TO 09N160E. SEAS 8 TO 13 FT N AND E OF
A LINE FROM 04N140W TO 02N160W TO 08N173W TO 14N172W TO 20N161W TO
30N153W.
.24 HOUR FORECAST SEAS 13 TO 21 FT NW OF A LINE FROM 30N160W TO
20N176W TO 13N160E. SEAS 8 TO 13 FT REMAINDER OF AREA...EXCEPT SEAS
8 FT OR LESS S OF 02N E OF 160W...S OF 05N W OF 160W...AND 240 NM
EITHER SIDE OF A LINE FROM 30N148W TO 20N161W.
.48 HOUR FORECAST SEAS 8 TO 15 FT ENTIRE AREA...EXCEPT SEAS 8 FT OR
LESS S OF 03N E OF 175E...S OF 05N W OF 175E...AND NW OF A LINE FROM
30N175E TO 25N160E.

.REMAINDER OF AREA SEAS 8 FT OR LESS.

.ITCZ FROM 05N140W TO 06N150W TO 04N159W. ISOLATED MODERATE TSTMS
WITHIN 45 NM OF POINT 07N149W.

.SCATTERED MODERATE TSTMS FROM 03N TO 09N BETWEEN 173W AND 175E.

$$

.FORECASTER BIRCHARD. HONOLULU HI.




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