High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 221524
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN JAN 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 22 2017.
24 HOUR FORECAST VALID 1200 UTC JAN 23 2017.
48 HOUR FORECAST VALID 1200 UTC JAN 24 2017.

.WARNINGS.

...GALE WARNING...
.COLD FRONT FROM 30N179E TO 23N170E TO 19N160E MOVING E 25 KT.
S TO SW WINDS 30 TO 40 KT WITHIN 600 NM E OF COLD FRONT N OF 26N.
NW TO N WINDS 20 TO 30 KT N OF FRONT E OF 172E.
.24 HOUR FORECAST FRONT FROM 30N169W TO 24N178E TO 23N170E. S TO SW
WINDS 20 TO 30 KT WITHIN 300 NM E OF FRONT N OF 29N. NE WINDS 20 TO
25 KT WITHIN 120 NM N OF FRONT BETWEEN 174W AND 175E.
.48 HOUR FORECAST WEAKENING FRONT FROM 30N154W TO 28N164W TO
28N170W. WINDS DIMINISHED TO 20 KT OR LESS.

...GALE WARNING...
.FRONT FROM 22N140W TO 18N157W TO 18N180E MOVING SSE SLOWLY. WINDS
25 TO 35 KT WITHIN 510 NM N OF FRONT E OF 170W. NE TO E WINDS 20 TO
30 KT WITHIN 300 NM N OF FRONT W OF 170W...AND FROM FRONT TO A LINE
FROM 16N140W TO 08N150W TO 07N180E.
.24 HOUR FORECAST FRONT DISSIPATED. NE TO E WINDS 25 TO 35 KT FROM
08N TO 26N E OF 153W. NE TO E WINDS 20 TO 30 KT FROM 06N TO 25N
BETWEEN 153W AND 160W. NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N
BETWEEN 160W AND 173W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 20N E OF
153W...AND FROM 08N TO 18N BETWEEN 153W AND 170W.

...GALE WARNING...
.24 HOUR FORECAST NEW COLD FRONT FROM 30N161E TO 27N160E. WINDS 25
TO 35 KT N OF 26N W OF 167E.
.36 HOUR FORECAST COLD FRONT FROM 30N167E TO 22N160E. S TO SW WINDS
25 TO 40 KT WITHIN 270 NM E OF COLD FRONT N OF 25N. W WINDS 20 TO
30 KT W OF FRONT N OF 28N.
.48 HOUR FORECAST COLD FRONT FROM 30N172E TO 21N160E. S TO SW WINDS
20 TO 30 KT WITHIN 270 NM E OF COLD FRONT N OF 27N. W WINDS 20 TO
30 KT N OF 28N W OF 166E.

.SYNOPSIS AND FORECAST.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 15N W OF 180E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 18N W OF
179W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 16N W OF
170W.

.RIDGE FROM 30N153W TO 27N140W MOVING ESE 25 KT.

.RIDGE FROM 30N162W TO 22N172E MOVING ESE 25 KT.

.RIDGE FROM 30N161E TO 26N171E MOVING E 35 KT.

.48 HOUR FORECAST NEW HIGH 29N143W 1028 MB.

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

.SEAS 12 TO 22 FT NW OF A LINE FROM 30N179E TO 22N160E. SEAS 12 TO
20 FT N OF 22N E OF 152W. SEAS 12 TO 15 FT WITHIN 210 NM OF A LINE
FROM 23N152W TO 18N175W. SEAS 8 TO 13 FT ELSEWHERE N OF 04N.
.24 HOUR FORECAST SEAS 12 TO 17 FT N OF A LINE FROM 30N171W TO
19N170E TO 30N166E. SEAS 11 TO 15 FT N OF 18N E OF 144W...AND FROM
15N TO 22N BETWEEN 144W AND 160W. SEAS 8 TO 12 FT ELSEWHERE N
OF 04N.
.48 HOUR FORECAST SEAS 12 TO 17 FT N OF A LINE FROM 30N155W TO
24N168W TO 26N178E...AND NW OF A LINE FROM 30N169E TO 26N160E. SEAS
8 TO 12 FT ELSEWHERE N OF 04N.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.SCATTERED MODERATE TO LOCALLY STRONG TSTMS S OF 09N W OF 172W.

.ITCZ FROM 06N140W TO 05N155W TO 04N172W. ISOLATED MODERATE TSTMS
WITHIN 120 NM N OF ITCZ.

$$

.FORECASTER HOUSTON. HONOLULU HI.



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