High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 100324
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT DEC 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 10 2016.
24 HOUR FORECAST VALID 0000 UTC DEC 11 2016.
48 HOUR FORECAST VALID 0000 UTC DEC 12 2016.

.WARNINGS.

...GALE WARNING...
.LOW JUST W OF AREA NEAR 29N158W MOVING ENE 35 KT. WARM FRONT
FROM LOW TO 29N160E TO 28N167E MOVING ENE 25 KT. SE WINDS 20 TO
30 KT W OF LINE FROM 30N163E TO 26N160E.
.6 HOUR FORECAST LOW NEAR 31N161E 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 A LINE FROM
30N166E TO 25N160E.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA NEAR 32N171E. WARM
FRONT MOVED N OF FORECAST AREA. ASSOCIATED COLD FRONT FROM LOW TO
30N171E TO 27N169E TO 24N160E. WINDS 30 TO 35 KT N OF 29N BETWEEN
173E AND 169E. WINDS 20 TO 30 KT ELSEWHERE N OF A LINE FROM
30N177E TO 26N170E TO 30N166E.
.48 HOUR FORECAST FRONT FROM 30N179W TO 27N178E TO 26N170E TO
28N165E. WINDS DECREASED TO 20 KT OR LESS.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N153W TO 26N160W TO 23N171W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 90 NM E OF FRONT E OF 160W.
.24 HOUR FORECAST WEAKENING FRONT FROM 30N152W TO 26N154W TO
24N164W.
.48 HOUR FORECAST FRONT BECOMING TROUGH FROM 28N151W TO 22N155W.

.FRONT FROM 30N178E TO 28N175E TO 27N170E MOVING E 15 KT.
.24 HOUR FORECAST FRONT BECOMING TROUGH FROM 30N173W TO 26N176W.
.48 HOUR FORECAST TROUGH FROM 30N172W TO 26N174W.

.TROUGH FROM 03N160E TO 06N170E NEARLY STATIONARY. ISOLATED
MODERATE TO STRONG TSTMS WITHIN 180 NM N OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 03N160E TO 00N166E.
.48 HOUR FORECAST TROUGH FROM 01N160E TO 00N162E.

.TROUGH FROM 17N155W TO 10N162W TO 06N171W NEARLY STATIONARY.
ISOLATED MODERATE TO STRONG TSTMS WITHIN 480 NM SE OF TROUGH E
OF 162W AND WITHIN 90 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 16N164W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH FROM 21N161W TO 16N163W.
.48 HOUR FORECAST TROUGH DISSIPATED.

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

.RIDGE FROM 30N174W TO 27N179W NEARLY STATIONARY.

.RIDGE FROM 27N140W TO 25N150W TO 23N160W NEARLY STATIONARY.

.48 HOUR FORECAST FRONT FROM 30N162E TO 29N160E. SW WINDS 20 TO
25 KT WITHIN 120 NM OF FRONT.

.WINDS 20 KT OR LESS OVER REMAINDER OF AREA.

.SEAS 8 TO 12 FT N OF A LINE FROM 30N151W TO 23N165W TO 25N175E
TO 26N160E. SEAS 8 TO 9 FT FROM 08N TO 14N E OF 150W.
.24 HOUR FORECAST SEAS 11 TO 13 FT N OF 27N BETWEEN 179E AND
165E. SEAS 8 TO 11 FT ELSEWHERE N OF A LINE FROM 30N155W TO
19N180E TO 20N165E TO 30N162E. SEAS 8 TO 9 FT FROM 09N TO 13N E
OF 145W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N154W TO
11N180E TO 30N172E.

.SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.ITCZ FROM 08N140W TO 09N150W. ISOLATED MODERATE TO STRONG TSTMS
WITHIN 90 NM OF ITCZ.

$$

.FORECASTER WROE. HONOLULU HI.



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