High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 251630
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU DEC 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 DEC 25 2014.
24 HOUR FORECAST VALID 1200 UTC DEC 26 2014.
48 HOUR FORECAST VALID 1200 UTC DEC 27 2014.

.WARNINGS.

...GALE WARNING...
.LOW 27N159W 1004 MB MOVING NE 10 KT. FRONT FROM 30N159W THROUGH LOW
TO 26N155W...CONTINUING AS A TROUGH TO 25N153W TO 18N153W TO
06N158W. FRONT N OF LOW AND TROUGH NEARLY STATIONARY. FRONT S OF LOW
MOVING E SLOWLY. WINDS 25 TO 40 KT WITHIN 600 NM SE QUADRANT...AND
WITHIN 480 NM E QUADRANT OF LOW. WINDS 20 TO 30 KT ELSEWHERE OVER
FORECAST WATERS E OF FRONT...LOW AND TROUGH N OF 19N...AND N OF 25N
BETWEEN 159W AND 163W. ISOLATED MODERATE TSTMS WITHIN 180 NM NE
QUADRANT OF LOW...AND N OF 22N BETWEEN 143W AND 150W.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA. FRONT FROM 30N149W
TO 26N147W TO 18N151W. WINDS 25 TO 35 KT OVER FORECAST WATERS E OF
TROUGH N OF 24N. WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM
21N140W TO 20N149W TO 24N151W TO 26N155W TO 30N160W.
.48 HOUR FORECAST FRONT FROM 30N145W TO 25N146W TO 15N152W. WINDS 25
TO 35 KT OVER FORECAST WATERS E OF TROUGH N OF 20N.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N175W TO 29N179W TO 28N171E. FRONT MOVING E 15 KT E OF
178W...AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST WEAK FRONT FROM 30N168W TO 25N171W.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH FROM 30N164E TO 26N160E MOVING E 20 KT. WINDS 20 TO 25 KT
OVER FORECAST WATERS N OF 28N W OF 166E.
.24 HOUR FORECAST FRONT FROM 30N179E TO 26N165E. WINDS DIMINISHED TO
20 KT OR LESS.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N173W TO 27N176W.

.NE TO E WINDS 20 TO 25 KT FROM 04N TO 20N BETWEEN 169W AND 170E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 03N TO 18N W OF
178W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 20N BETWEEN
170W AND 170E.

.48 HOUR FORECAST NEW COLD FRONT FROM 30N165E TO 26N160E. WINDS 20
TO 25 KT WITHIN 210 NM E OF COLD FRONT N OF 27N.

.RIDGE FROM 24N160E TO 18N147W MOVING E SLOWLY.

.RIDGE FROM 30N168W TO 26N179E MOVING E 15 KT.

.OTHERWISE...WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.SEAS 9 TO 16 FT N OF 21N BETWEEN 147W AND 159W. SEAS 12 TO 13 FT
FROM 04N TO 12N BETWEEN 177W AND 172E. SEAS 8 TO 12 FT N OF 02N
BETWEEN 159W AND 168W...ELSEWHERE E OF 159W...ELSEWHERE S OF 22N
BETWEEN 168W AND 178E...AND ELSEWHERE W OF 178E.
.24 HOUR FORECAST SEAS 11 TO 14 FT N OF 26N BETWEEN 146W AND 160W.
SEAS 8 TO 12 FT ELSEWHERE N OF 22N E OF 160W. SEAS 8 TO 11 FT W OF
160W.
.48 HOUR FORECAST SEAS 10 TO 13 FT N OF 25N BETWEEN 153W AND 162W.
SEAS 8 TO 12 FT ELSEWHERE N OF 22N E OF 162W. SEAS 8 TO 11 FT W OF
162W.

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

.SCATTERED MODERATE TO STRONG TSTMS S OF 04N W OF 175E.

.ITCZ FROM 07N140W TO 09N151W...AND FROM 05N163W TO 03N170W TO
02N180E. ISOLATED MODERATE TSTMS WITHIN 240 NM N OF ITCZ E OF
151W...AND WITHIN 90 NM OF ITCZ W OF 163W.

$$
.FORECASTER HOUSTON. HONOLULU HI.





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