High Seas Forecast
Issued by NWS

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077
FZPN40 PHFO 031526
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT DEC 03 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 03 2016.
24 HOUR FORECAST VALID 1200 UTC DEC 04 2016.
48 HOUR FORECAST VALID 1200 UTC DEC 05 2016.

.WARNINGS.

...GALE WARNING...
.FRONT 30N161W TO 25N165W TO 19N180W TO 19N175E TO 19N165E MOVING
E AND S SLOWLY AND DISSIPATING. NE WINDS 25 TO 35 KT BETWEEN FRONT
AND 168W N OF 28N. NE WINDS 20 TO 30 KT ELSEWHERE WITHIN 420 NM N
OF FRONT...AND ALSO BETWEEN 21N AND 08N W OF 180W.
.24 HOUR FORECAST NEW LOW 25N163W 1010 MB. DISSIPATING FRONT FROM
30N161W TO LOW 20N170W TO 19N180W. NE WINDS 25 TO 30 KT N OF 27N
BETWEEN FRONT AND 170W. NE WINDS 20 TO 25 KT ELSEWHERE WITHIN 350
NM W OF FRONT E OF 170W. ALSO NE TO E WINDS 20 TO 25 KT BETWEEN
21N AND 07N W OF 180W.
.48 HOUR FORECAST LOW 24N163W 1011 MB. TROUGH FROM 30N162W TO LOW
TO 20N167W TO 20N175W. NE WINDS DIMINISHED TO 20 KT OR LESS.
ALSO...E WINDS 20 T 25 KT BETWEEN 08N AND 18N W OF 165E.

.SYNOPSIS AND FORECAST.

.LOW NEAR 07N173W 1008 MB NEARLY STATIONARY. TROUGH FROM 12N164W TO
LOW TO 03N180W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM OF
TROUGH E OF LOW.
.24 HOUR FORECAST LOW NEAR 06N172W 1007 MB. TROUGH FROM 10N167W TO
LOW TO 03N180W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 13N163W TO 06N175W.

.TROUGH 25N163W TO 16N163W NEARLY STATIONARY...DISSIPATING.
ISOLATED TSTMS WITHIN 60 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 22N154W TO 16N153W MOVING N 15 KT. E TO SE WINDS 25 TO
30 KT FROM 25N TO 16N BETWEEN TROUGH AND 145W. E TO SE WINDS 20 TO
25 KT ELSEWHERE E OF 153W N OF 13N. SCATTERED MODERATE TSTMS WITHIN
200 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 28N155W TO 22N155W. SE WINDS 20 TO 30
KT BETWEEN TROUGH AND 150W. SE WINDS 20 TO 25 KT ELSEWHERE N OF 20N
E OF 155W.
.48 HOUR FORECAST TROUGH MOVED N OF FORECAST WATERS. S TO SE WINDS
20 TO 25 KT BETWEEN 151W AND 147W N OF 28N.

.FRONT AT 30N160E...MOVING SE 12 KT. NE WINDS 20 TO 25 KT N OF FRONT.
.24 HOUR FORECAST FRONT 30N173E TO 28N167E TO 28N160E. NE WINDS 20
TO 25 KT N OF FRONT.
.48 HOUR FORECAST FRONT 30N176E TO 26N169E TO 27N163E. E WINDS 20 TO
25 KT N OF FRONT.

.RIDGE 30N172E TO 27N160E MOVING SE SLOWLY...ERODING W OF 170E.

.OTHERWISE WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 12 TO 14 FT WITHIN 150 NM EITHER SIDE OF A LINE FROM 30N165W
TO 24N172W TO 21N178W TO 19N170E. SEAS 8 TO 12 FT BETWEEN 10N AND
23N E OF 156W. SEAS 8 TO 11 FT ELSEWHERE N OF A LINE FROM 10N160E TO
06N180W TO 10N156W.
.24 HOUR FORECAST SEAS 10 TO 15 FT N OF 22N BETWEEN 160W AND 175W.
SEAS 8 TO 10 FT ELSEWHERE N OF 20N BETWEEN 160W AND 176W. SEAS 8 TO
11 FT ELSEWHERE N OF 10N E OF 160W...HIGHEST N OF 22N BETWEEN 160W
AND 150W. SEAS 8 TO 11 FT N OF A LINE 30N170E TO 25N160E...AND
ELSEWHERE BETWEEN 25N AND 05N W OF 163W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF 26N W OF 178W.
SEAS 8 TO 10 FT N OF A LINE FROM 30N145W TO 18N162W TO 18N180W...
AND IN THE AREA N OF 05N W OF 180W.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.SCATTERED MODERATE TSTMS BETWEEN 10N AND 04N W OF 180W.

.ITCZ...10N140W TO 10N160W. ISOLATED TSTMS WITHIN 100 NM N OF ITCZ
E OF 143W.

$$

.FORECASTER LAU. HONOLULU HI.



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