High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 220315
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 22 2017.
24 HOUR FORECAST VALID 0000 UTC JAN 23 2017.
48 HOUR FORECAST VALID 0000 UTC JAN 24 2017.

.WARNINGS.

...STORM WARNING...
.COLD FRONT FROM 30N171E TO 20N160E. WINDS 35 TO 50 KT WITHIN 450
NM E OF COLD FRONT N OF 27N. WINDS 20 TO 35 KT ELSEWHERE N OF 24N
W OF 180E.
.24 HOUR FORECAST COLD FRONT FROM 30N176W TO 24N170E TO 22N165E.
WINDS 20 TO 35 KT N OF 27N BETWEEN 170W AND 180W.
.48 HOUR FORECAST FRONT FROM 30N160W TO 26N170W TO 26N180E. WINDS
20 TO 30 KT N OF 28N BETWEEN 155W AND 170W. WINDS DIMINISHED TO 20
KT OR LESS OVER FORECAST AREA.

...GALE WARNING...
.FRONT FROM 25N140W TO 20N160W TO 19N177W MOVING E 30 KT N OF
23N AND MOVING SE 10 KT ELSEWHERE. N TO NE WINDS 25 TO 35 KT
WITHIN 360 NM N OF FRONT W OF 150W. N TO NW WINDS 20 TO 30 KT N
OF FRONT E OF 150W. WINDS 20 TO 25 KT ELSEWHERE N OF 06N BETWEEN
150W AND 175E.
.24 HOUR FORECAST FRONT FROM 19N140W TO 18N150W TO 18N160W. N TO
NE WINDS 25 TO 35 KT WITHIN 240 MILES N OF FRONT. WINDS 20 TO 25
KT ELSEWHERE E OF 170W BETWEEN 08N AND 27N.
.48 HOUR FORECAST FRONT DISSIPATED. E WINDS 25 TO 30 KT 15N TO
22N E OF 160W. E WINDS 20 TO 25 KT ELSEWHERE BETWEEN 07N AND 26N E
OF 170W...AND FROM 07N TO 17N W OF 170W.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST COLD FRONT APPROACHING 30N160E.
.48 HOUR FORECAST COLD FRONT 30N163W TO 26N160E. S TO SW WINDS 20
TO 30 KT N OF 25N W OF 173E.

.RIDGE FROM 30N170W TO 21N165E MOVING ESE 25 KT.

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

.SEAS 12 TO 22 FT NW OF A LINE FROM 30N175E TO 25N160E. SEAS 12 TO
18 FT N OF 24N E OF 160W. SEAS 12 TO 14 FT FROM 10N AND 26N
BETWEEN 160W AND 177E. SEAS 8 TO 12 FT ELSEWHERE N OF 05N.
.24 HOUR FORECAST SEAS 12 TO 18 FT NW OF A LINE FROM 30N178W TO
19N160E. SEAS 12 TO 16 FT N OF 20N E OF 150W. SEAS 12 TO 14 FT
FROM 16N TO 25N BETWEEN 150W AND 172W. SEAS 8 TO 12 FT ELSEWHERE N
OF 05N.
.48 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N161W TO
24N178W TO 25N172W. SEAS 12 TO 14 FT FROM 13N TO 21N E OF 154W.
SEAS 8 TO 12 FT ELSEWHERE N OF 04N.

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

.SCATTERED MODERATE TSTMS FROM 03N TO 10N W OF 160W.

$$

.FORECASTER MORRISON. HONOLULU HI.



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