High Seas Forecast
Issued by NWS

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585
FZPN40 PHFO 091533
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI DEC 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 09 2016.
24 HOUR FORECAST VALID 1200 UTC DEC 10 2016.
48 HOUR FORECAST VALID 1200 UTC DEC 11 2016.

.WARNINGS.

...GALE WARNING...
.12 HOUR FORECAST WINDS 20 TO 25 KT N OF 26N W OF 164E.
.18 HOUR FORECAST NEW FRONT FROM 30N161E TO 28N160E MOVING E 25 KT.
WINDS 30 TO 35 KT N OF 28N W OF 162W. WINDS 20 TO 30 KT ELSEWHERE N
AND W OF A LINE FROM 30N168E TO 26N163E TO 26N160E.
.24 HOUR FORECAST FRONT FROM 30N165E TO 27N162E TO 26N160E. WINDS 30
TO 35 KT N OF 28N BETWEEN 162E AND 167E. WINDS 20 TO 30 KT ELSEWHERE
N OF 26N BETWEEN 161E AND 169E.
.48 HOUR FORECAST FRONT FROM 30N178E TO 25N172E TO 24N162E. WINDS 20
TO 30 KT N OF A LINE FROM 30N178W TO 28N180W TO 26N177E TO 30N173E.

.SYNOPSIS AND FORECAST.

.LOW 02N166E 1007 MB MOVING WNW SLOWLY. TROUGH FROM LOW TO 01N160E
MOVING N SLOWLY. ISOLATED MODERATE TSTMS S OF A LINE FROM 04N160E TO
10N167E TO 06N180E.
.24 HOUR FORECAST LOW 02N164E 1007 MB. TROUGH FROM 02N160E TO LOW TO
00N166E.
.48 HOUR FORECAST LOW 02N160E 1007 MB. TROUGH FROM LOW TO 00N162E.

.FRONT FROM 30N156W TO 25N160W TO 24N163W TO 24N172W MOVING E SLOWLY
E OF 160W AND MOVING S SLOWLY ELSEWHERE. ISOLATED MODERATE TSTMS
WITHIN 120 NM E OF FRONT E OF 160W.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N154W TO 26N156W TO 24N167W.
.48 HOUR FORECAST FRONT BECOME A TROUGH FROM 28N156W TO 23N163W.

.FRONT FROM 30N171E TO 28N169E TO 27N166E TO 27N160E MOVING E 30 KT
E OF 168E AND MOVING N SLOWLY ELSEWHERE.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N175W TO 28N176W TO 26N178W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 23N161W TO 21N162W TO 14N165W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 21N162W TO 19N164W TO 15N165W.
.48 HOUR FORECAST TROUGH FROM 21N161W TO 13N163W.

.TROUGH FROM 06N167W TO 12N160W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS FROM 07N TO 11N BETWEEN 160W AND 175W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N174W TO 28N178W TO 26N175E MOVING E 10 KT.

.RIDGE FROM 27N140W TO 25N155W MOVING S SLOWLY W OF 148W...AND
NEARLY STATIONARY ELSEWHERE.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 12N E OF 153W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 09N TO 12N E OF
150W.

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

.SEAS 8 TO 12 FT N OF A LINE FROM 30N155W TO 25N165W TO 25N172W TO
30N177W. SEAS 8 TO 9 FT FROM 08N TO 12N BETWEEN 147W AND 153W...AND
N OF 29N W OF 168E.
.24 HOUR FORECAST SEAS 8 TO 14 FT N OF A LINE FROM 30N178E TO
27N169E TO 26N160E. SEAS 8 TO 9 FT N OF A LINE FROM 30N158W TO
25N163W TO 26N177W TO 28N180W...AND FROM 08N TO 13N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 13 FT N OF A LINE FROM 30N167W TO
25N179W TO 26N168E. SEAS 8 TO 9 FT FROM 08N TO 13N E OF 150W.

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

.ITCZ FROM 09N140W TO 08N150W TO 10N158W. SCATTERED MODERATE TO
STRONG TSTMS FROM 08N TO 12N BETWEEN 151W AND 159W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 150 NM OF ITCZ.

$$

.HONOLULU HI.



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