High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 192306
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI DEC 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 19 2014.
24 HOUR FORECAST VALID 1800 UTC DEC 20 2014.
48 HOUR FORECAST VALID 1800 UTC DEC 21 2014.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N179W TO 27N175E TO 25N168E THENCE A STATIONARY
FRONT TO 22N160E. COLD FRONT MOVING E 30 KT N OF 27N AND SE 20 KT S
OF 27N. WINDS 20 TO 25 KT N OF 27N WITHIN 600 NM E OF FRONT. WINDS
20 TO 30 KT OVER FORECAST WATERS NW OF FRONT. SEAS 20 TO 25 NW OF A
LINE FROM 30N178W TO 27N174E. SEAS 12 TO 20 FT ELSEWHERE NW OF A
LINE FROM 30N174W TO 18N170E TO 16N160E.
.24 HOUR FORECAST FRONT FROM 30N163W TO 25N173W O 21N177E TO
20N160E. WINDS 20 TO 25 KT N OF 27N WITHIN 300 NM E OF FRONT. WINDS
20 TO 30 KT OVER FORECAST WATERS NW OF FRONT. SEAS 20 TO 25 KT NW OF
A LINE FROM 30N165W TO 25N175W. SEAS 12 TO 20 FT ELSEWHERE NW AND N
OF A LINE FROM 30N162W TO 16N177W TO 12N160E.
.48 HOUR FORECAST FRONT FROM 30N157W TO 25N162W TO 20N175W TO
20N164E. WINDS 20 TO 30 KT N OF 27N WITHIN 300 NM E OF FRONT AND
ALSO WITHIN 480 NM N OF FRONT W OF 167W. SEAS 12 TO 18 FT WITHIN A
POLYGON BOUNDED BY 30N150W 10N164W 13N160E 20N160E 27N179W 30N179W
30N150W.

.HIGH NEAR 28N144W MOVING NE 15 KT. RIDGE FROM HIGH TO 27N159W TO
25N170W.
.24 HOUR FORECAST HIGH MOVED E OF FORECAST AREA. RIDGE FROM 30N140W
TO 27N156W.
.48 HOUR FORECAST RIDGE FROM 28N140W TO 23N154W.

.RIDGE FROM 30N160E TO 27N166E.
.24 HOUR FORECAST RIDGE FROM 30N167E TO 26N177W.
.48 HOUR FORECAST RIDGE FROM 30N176E TO 28N175W TO 29N162W.

.RIDGE BUILDING OVER FORECAST AREA.
.48 HOUR FORECAST RIDGE FROM 30N170E TO 26N160E.

.OTHERWISE WINDS 20 TO 30 KT BETWEEN A LINE FROM 23N140W TO 17N170W
AND A LINE FROM 07N140W TO 03N170W. ALSO WINDS 20 TO 25 KT FROM 22N
TO 12N W OF 164E.
.24 HOUR FORECAST WINDS 20 TO 30 KT BETWEEN A LINE FROM 25N140W TO
22N151W TO 11N179W AND LATITUDE 05N AND ALSO FROM 21N TO 07N W OF
177E.
.48 HOUR FORECAST WINDS 20 TO 30 KT OVER FORECAST WATERS BETWEEN
LATITUDE 20N AND LATITUDE 05N.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.OTHERWISE SEAS 12 TO 15 FT N OF A LINE FROM 23N140W TO 17N150W.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 07N140W TO 03N156W TO
12N172E TO 12N160E.
.24 HOUR FORECAST SEAS 12 TO 15 FT WITHIN A POLYGON BOUNDED BY
21N140W 11N140W 09N150W 12N150W 21N140W. SEAS 8 TO 12 FT ELSEWHERE
N OF A LINE FROM 05N140W TO 03N155W TO 06N178E TO 06N160E.
.48 HOUR FORECAST SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 04N140W
TO 02N177W TO 06N160E.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 07N140W TO 06N148W TO 03N155W AND FROM 04N171W TO 05N179W
TO 01N170E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 270 NM N OF
ITCZ BETWEEN 171W AND 170E. ISOLATED MODERATE TSTMS ELSEWHERE WITHIN
210 NM OF ITCZ.

$$

.FORECASTER A BEDAL. HONOLULU HI.





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