High Seas Forecast
Issued by NWS

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FZPN40 PHFO 130209 CCA
HSFNP

HIGH SEAS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
0209 UTC WED DEC 13 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 12 2017.
24 HOUR FORECAST VALID 1800 UTC DEC 13 2017.
48 HOUR FORECAST VALID 1800 UTC DEC 14 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 30N149W TO 24N156W TO 21N164W TO 19N175W TO 19N174E
MOVING E 15 KT N OF 24N AND NEARLY STATIONARY S OF 24N. WINDS 30
TO 35 KT WITHIN 180 NM E OF FRONT N OF 28N. WINDS 20 TO 30 KT
ELSEWHERE N OF 23N E OF 173W. ISOLATED MODERATE TO STRONG TSTMS
WITHIN 120 NM OF FRONT N OF 23N.
.24 HOUR FORECAST FRONT FROM 30N142W TO 20N150W TO 17N165W.
ASSOCIATED WINDS DECREASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT BECOMING TROUGH FROM 30N143W TO 25N147W TO
16N148W. WINDS 20 TO 25 KT BETWEEN TROUGH AND 155W.

.SYNOPSIS AND FORECAST.

.FRONT AT 30N160E NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 60 NM OF FRONT.
.24 HOUR FORECAST FRONT NW OF FORECAST WATERS. S TO SW WINDS 20 TO
25 KT N OF 28N W OF 163E.
.48 HOUR FORECAST FRONT FROM 30N167E TO 26N160E. S TO SW WINDS 20
TO 30 KT N OF LINE FROM 30N174E TO 25N160E.

.RIDGE FROM 25N140W TO 19N156W NEARLY STATIONARY.

.RIDGE FROM 30N179E TO 26N175W TO 22N165W BUILDING E 20 KT.

.RIDGE FROM 30N178E TO 26N160E NEARLY STATIONARY.

.E WINDS 20 TO 25 KT FROM 08N TO 21N W OF 173W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 07N TO 19N W OF 180E.
NE TO E WINDS 20 TO 25 KT FROM 07N TO 23N BETWEEN 164W AND 167E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 07N TO 23N
BETWEEN 155W AND 177E.

.SEAS 18 TO 25 FT N OF 26N BETWEEN 160W AND 175W. SEAS 12 TO 18 FT
ELSEWHERE N OF LINE FROM 30N147W TO 26N154W TO 21N175E TO 30N173E.
SEAS 8 FT OR LESS FROM 13N TO 21N BETWEEN 153W AND 171W...AND N OF
23N W OF 165E. SEAS 8 TO 12 FT REST OF AREA N OF 08N.
.24 HOUR FORECAST SEAS 12 TO 16 FT IN AREA BOUNDED BY 30N173W
30N140W 20N155W 12N178E 21N178E 30N173W. SEAS 8 FT OR LESS N OF
25N BETWEEN 174E AND 163E...AND S OF 07N W OF 150W. SEAS 8 TO 12
FT REST OF AREA.
.48 HOUR FORECAST SEAS 12 TO 14 FT IN AREA BOUNDED BY 30N155W
30N140W 20N140W 09N160W 07N180E 18N180E 30N155W. SEAS 8 FT OR LESS
S OF 25N E OF 170E...AND N OF 25N BETWEEN 172W AND 133E.

.REMAINDER OF FORECAST AREA...WINDS 20 KT OR LESS AND SEAS 8 FT OR
LESS.

.ITCZ FROM 08N140W TO 07N165W TO 07N175E TO 05N161E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 150 NM OF ITCZ W OF 175E. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF ITCZ E OF 175E.

$$

.FORECASTER WROE. HONOLULU HI.



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