000
FZPN40 PHFO 112329
HSFNP 

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED DEC 11 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 11 2019.
24 HOUR FORECAST VALID 1800 UTC DEC 12 2019.
48 HOUR FORECAST VALID 1800 UTC DEC 13 2019.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N147W TO 27N154W TO 24N165W TO 22N179W MOVING SE 
10 KT THENCE A DISSIPATING STATIONARY FRONT TO 25N166E. ASSOCIATED
WINDS INCLUDED BELOW. 
.24 HOUR FORECAST FRONT FROM 30N146W TO 24N159W TO 21N167W TO 19N179W.
FRONT DISSIPATING W OF 159W. WINE NE 30 TO 35 KT WITHIN 240 NM N
FRONT BETWEEN 179W AND 167W. ADDITIONAL ASSOCIATED WINDS INCLUDED 
BELOW. 
.48 HOUR FORECAST FRONT FROM 30N146W TO 24N159W. TROUGH FROM 15N174W TO
19N168W TO 24N159W. WIND NE 30 TO 35 KT WITHIN 180 NM EITHER SIDE OF
A LINE FROM 24N168W TO 17N175E. ADDITIONAL ASSOCIATED WINDS INCLUDED 
BELOW. 

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST NEW COLD FRONT NEAR 30N153E. ASSOCIATED WINDS 
INCLUDED BELOW. 
.48 HOUR FORECAST FRONT FROM 30N168E TO 28N160E. ASSOCIATED WINDS
DIMINISHED TO 20 KT OR LESS.

.TROUGH FROM 15N168W TO 19N165W TO 21N160W MOVING NW SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 150 NM EITHER SIDE OF TROUGH AXIS. 
.24 HOUR FORECAST TROUGH FROM 15N169W TO 20N165W TO 21N161W. 
ASSOCIATED WINDS INCLUDED BELOW. 
.48 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED IN WARNING 
SECTION ABOVE. ASSOCIATED WINDS INCLUDED BELOW. 

.RIDGE FROM 25S140W TO 24N147W. 
.24 HOUR FORECAST RIDGE FLATTENED OVER FORECAST AREA.

.24 HOUR FORECAST NEW RIDGE FROM 30N177E TO 26N160E.
.48 HOUR FORECAST RIDGE FROM 30N171W TO 26N167E. 

.OTHERWISE AND ELSEWHERE WINDS NE TO E 20 TO 30 KT WITHIN AN AREA 
BOUND BY 30N160E 30N170E 28N168W 21N166W 09N177W 07N160E 30N160E.
ALSO WIND NE 20 TO 25 KT FROM 20N TO 12N BETWEEN 145W AND 140W. 
.24 HOUR FORECAST WINDS NE TO SE 20 TO 30 KT WITHIN AN AREA BOUND
BY 30N160E 30N170E 28N175E 28N156W 15N171W 06N179E 06N160E 20N160E 
25N165E 30N160E. ALSO WIND NE 20 TO 25 KT FROM 20N TO 12N BETWEEN
150W AND 140W. 
.48 HOUR FORECAST WINDS NE TO E 20 TO 30 KT WITHIN AN AREA BOUND BY 
30N170W 30N150W 15N173W 04N178E 04N160E 24N160E 28N179E 30N170E. 
ALSO WIND NE 20 TO 25 KT FROM 20N TO 12N BETWEEN 155W AND 140W. 

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA. 

.SEAS 14 TO 20 FT OVER FORECAST WATERS N OF A LINE FROM 30N149W TO 
26N160W TO 24N178W. SEAS 8 TO 14 FT ELSEWHERE N OF A LINE FROM 
28N140W TO 21N152W TO 18N171W TO 12N175E TO 12N160E. ALSO SEAS 
8 TO 10 FT FROM 22N TO 08N BETWEEN 155 AND 140W. 
.24 HOUR FORECAST SEAS 14 TO 18 FT OVER FORECAST WATERS N OF A LINE
 FROM 29N140W TO 22N155W TO 22N170W. SEAS 8 TO 14 FT ELSEWHERE N OF 
A LINE FROM 08N140W TO 11N160W 06N175E 07N160E. 
.48 HOUR FORECAST SEAS 14 FT TO 16 FT WITHIN 180 NM EITHER SIDE OF 
A LINE FROM 23N163W TO 15N179W. SEAS 8 TO 14 FT ELSEWHERE WITHIN AN 
AREA BOUND BY 30N175E 30N140W 08N140W 08N160E 28N160E 30N175E. 

.ITCZ FROM 06N140W TO 08N151W TO 06N161W TO 07N172W. SCATTERED MODERATE
TO STRONG TSTMS WITHIN 90 NM EITHER SIDE OF CONVERGENCE LINE W OF 
161W. ISOLATED MODERATE TSTMS ELSEWHERE FROM 14N TO 06N BETWEEN 172W
AND 140W. 

.OTHERWISE SCATTERED MODERATE TO STRONG TSTMS FROM 07N TO 02N BETWEEN
173E AND 179W. ISOLATED MODERATE TSTMS ELSEWHERE FORM 12N TO 00N 
BETWEEN 160E AND 172W. 

$$

.FORECASTER BEDAL. HONOLULU HI.