High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 252245
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 25 2014.
24 HOUR FORECAST VALID 1800 UTC DEC 26 2014.
48 HOUR FORECAST VALID 1800 UTC DEC 27 2014.

.WARNINGS.

...GALE WARNING...
.LOW 27N157W 1002 MB MOVING NNE 15 KT. FRONT FROM LOW TO 29N155W TO
27N152W TO 20N151W TO 15N154W...THENCE TROUGH TO 06N164W. FRONT
MOVING E TO 10 KT. TROUGH NEARLY STATIONARY. WINDS 25 TO 40 KT OVER
FORECAST WATERS WITHIN 600 NM NE OF FRONT N OF 26N. WINDS 20 TO 30
KT ELSEWHERE OVER FORECAST WATERS E OF FRONT N OF 18N...AND ALSO
WITHIN 500 NM W SEMICIRCLE OF LOW. SCATTERED TSTMS WITHIN 400 NM E
OF FRONT N OF 25N. ISOLATED TSTMS WITHIN 150 NM E OF REST OF FRONT.
SEE LATEST FZPN KWBC FOR MORE DETAILS ON THIS SYSTEM.
.24 HOUR FORECAST LOW MOVED N OF FORECAST WATERS TO NEAR 33N155W.
ASSOCIATED FRONT FROM LOW TO 30N148W TO 26N147W TO 15N153W.
TROUGH DISSIPATED. WINDS 25 TO 40 KT OVER FORECAST WATERS WITHIN 150
NM E OF FRONT N OF 28N. WINDS 20 TO 30 KT ELSEWHERE E OF FRONT N OF
20N. ALSO...WINDS 20 TO 30 KT ELSEWHERE BETWEEN FRONT AND 168W N OF
26N.
.48 HOUR FORECAST 30N145W TO 28N145W TO 20N148W TO 15N152W.
WINDS 20 TO 35 KT OVER FORECAST WATERS E OF FRONT N OF 20N.
WINDS 20 TO 25 KT BETWEEN 155W AND 163W N OF 25N.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N170W TO 29N174W TO 30N180W MOVING SE 15 KT AND
DISSIPATING.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N162W TO 26N165W TO
23N173W. FOR WINDS WITH THIS FRONT..SEE WINDS WITH GALE LOW ABOVE.
.48 HOUR FORECAST WEAK DISSIPATING FRONT FROM 30N150W TO 20N152W.
SEE WINDS WITH GALE LOW ABOVE.

.DISSIPATING FRONT FROM 30N171E TO 28N167E TO 25N160E MOVING E 15
KT. WINDS 20 TO 25 KT WITHIN 120 NM E OF FRONT N OF 28N.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N180E TO 28N174E TO
26N166E. WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT DISSIPATED.

.24 HOUR FORECAST DISSIPATING FRONT JUST N OF 30N160E...MOVING SE 10
KT.
.48 HOUR FORECAST FRONT FROM 30N170E TO 27N164E TO 25N160E.
WINDS 20 TO 25 KT N OF 28N BETWEEN WITHIN 200 NM E OF FRONT N OF 27N.

.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 04N TO 18N W OF
170W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 18N W OF
165W.

.HIGH 28N178W 1019 MB NEARLY STATIONARY. RIDGE FROM HIGH TO 24N170E
TO 24N163E.
.24 HOUR FORECAST HIGH 25N179W 1017 MB WITH RIDGE FROM HIGH TO
25N166E.
.48 HOUR FORECAST HIGH 27N176W 1017 MB WITH RIDGE FROM HIGH TO
24N166E.

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

.SEAS 9 TO 16 FT N OF 20N E OF 170W. SEAS 8 TO 12 FT BETWEEN 20N
AND 04N W OF 160W. REST OF AREA...SEAS 8 TO 10 FT.
.24 HOUR FORECAST SEAS 7 TO 13 FT N OF 20N E OF 175W...HIGHEST SEAS
N OF 26N BETWEEN 147W AND 165W. SEAS 8 TO 11 FT S OF 20N W OF 175W.
REST OF AREA W OF 175W...SEAS 8 TO 10 FT. SEAS 8 FT OR LESS
ELSEWHERE.
.48 HOUR FORECAST SEAS 9 TO 15 FT N OF 20N E OF 170W...HIGHEST SEAS
N OF 26N BETWEEN 150W AND 164W. SEAS 8 TO 10 FT BETWEEN 20N AND 07N
FROM 165W TO 165E. SEAS ELSEWHERE 7 TO 9 FT.

.ITCZ 07N140W TO 07N147W TO 10N155W. SCATTERED MODERATE TSTMS
WITHIN 120 NM OF ITCZ. ALSO...ITCZ FROM 06N164W TO 03N174W TO
02N178W.

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

$$
.FORECASTER LAU. HONOLULU HI.








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