High Seas Forecast
Issued by NWS

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FZPN40 PHFO 092238
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 09 2016.
24 HOUR FORECAST VALID 1800 UTC DEC 10 2016.
48 HOUR FORECAST VALID 1800 UTC DEC 11 2016.

.WARNINGS.

...GALE WARNING...
.WARM FRONT FROM 28N163E TO 28N160E MOVING ENE 25 KT.
.12 HOUR FORECAST LOW NEAR 30N160E 1003 MB. WARM FRONT FROM LOW
TO 28N168E. COLD FRONT FROM LOW TO 28N160E. WINDS 30 TO 35 KT N
OF 28N W OF 163E. WINDS 20 TO 30 KT ELSEWHERE N OF 26N W OF 165E.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA NEAR 32N167E. WARM
FRONT MOVED N OF FORECAST AREA. ASSOCIATED COLD FRONT FROM LOW TO
30N169E TO 27N167E TO 24N160E. WINDS 30 TO 35 KT N OF A LINE FROM
30N172E TO 28N168E TO 30N166E. WINDS 20 TO 30 KT ELSEWHERE N OF
27N BETWEEN 173E AND 165E.
.48 HOUR FORECAST FRONT FROM 30N180E TO 27N178E TO 24N170E TO
26N160E. WINDS 20 TO 25 KT N OF 28N BETWEEN 178W AND 177E.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N153W TO 26N160W TO 23N170W MOVING E SLOWLY E OF
160W AND NEARLY STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS
WITHIN 120 NM E OF FRONT E OF 160W.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N152 TO 26N156W TO
25N165W.
.48 HOUR FORECAST FRONT BECOMING TROUGH FROM 28N150W TO 23N155W.

.FRONT FROM 30N177E TO 28N172E TO 27N164E MOVING E 30 KT.
.24 HOUR FORECAST FRONT BECOMING TROUGH FROM 30N173W TO 26N176W.
.48 HOUR FORECAST TROUGH FROM 30N172W TO 25N175W.

.TROUGH FROM 03N160E TO 00N169E NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 330 NM OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 03N160E TO 00N166E.
.48 HOUR FORECAST TROUGH FROM 02N160E TO 00N163E.

.TROUGH FROM 17N155W TO 10N162W TO 06N169W NEARLY STATIONARY.
SCATTERED STRONG TSTMS WITHIN 330 NM SE OF TROUGH E 162W AND
WITHIN 120 NM OF TROUGH W OF 162W.
.24 HOUR FORECAST TROUGH FROM 16N155W TO 08N161W.
.48 HOUR FORECAST TROUGH FROM 17N156W TO 09N162W.

.TROUGH FROM 21N161W TO 16N163W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 21N161W TO 16N163W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 25N180E TO 21N179W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 30N175W TO 27N179W NEARLY STATIONARY.

.RIDGE FROM 27N140W TO 25N150W TO 23N161W NEARLY STATIONARY.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 12N E OF 145W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS DECREASED TO 20 KT OR LESS.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 12 FT N OF A LINE FROM 30N154W TO 23N165W TO 26N175E
TO 26N160E. SEAS 8 TO 9 FT FROM 08N TO 14N E OF 150W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 30N155W TO
20N175E TO 24N160E. SEAS 8 TO 9 FT FROM 08N TO 13N E OF 148W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N155W TO
16N180E TO 30N169E.

.SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.ITCZ FROM 08N140W TO 09N150W. ISOLATED MODERATE TSTMS WITHIN 120
NM OF ITCZ.

$$

.FORECASTER WROE. HONOLULU HI.



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