000
FZPN40 PHFO 011630
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED APR 01 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 01 2015.
24 HOUR FORECAST VALID 1200 UTC APR 02 2015.
48 HOUR FORECAST VALID 1200 UTC APR 03 2015.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW COLD FRONT FROM 30N161E TO 29N160E. WINDS 25
TO 35 KT NW OF A LINE FROM 30N166E TO 27N160E.
.48 HOUR FORECAST COLD FRONT FROM 30N174E TO 26N171E TO 22N160E.
WINDS 25 TO 35 KT WITHIN 600 NM W OF COLD FRONT N OF 20N. WINDS 20
TO 30 KT ELSEWHERE N OF A LINE FROM 30N176E TO 27N172E TO 29N162E.

.SYNOPSIS AND FORECAST.

.LOW 04N162E 1007 MB MOVING WNW SLOWLY. TROUGH FROM 03N160E TO LOW
TO 01N174E NEARLY STATIONARY. WINDS 20 TO 30 KT WITHIN 270 NM N AND
NE QUADRANTS OF LOW. SCATTERED MODERATE TO STRONG TSTMS S OF 08N W
OF 173E.
.24 HOUR FORECAST LOW...POSSIBLE DEVELOPING TROPICAL CYCLONE...JUST
W OF AREA NEAR 07N159E 1006 MB. TROUGH FROM 06N160E TO 02N169E.
WINDS 20 TO 30 KT OVER FORECAST WATERS FROM 06N TO 11N W OF 163E.
.48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...MOVED FAR W OF
FORECAST AREA. TROUGH FROM 05N160E TO 01N169E. WINDS DIMINISHED TO
20 KT OR LESS.

.FRONT FROM 30N177E TO 24N168E TO 24N160E. FRONT MOVING E 25 KT E OF
168E...AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 25 KT WITHIN 330
NM E OF FRONT N OF 28N. ISOLATED MODERATE TSTMS N OF 27N BETWEEN
175W AND 180E.
.24 HOUR FORECAST NEW LOW 28N173W 1014 MB. FRONT FROM 30N172W TO LOW
TO 20N177W. WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST LOW MOVED N OF FORECAST AREA. FRONT WEAKENED TO
TROUGH FROM 30N169W TO 24N171W.

.TROUGH FROM 30N156W TO 27N159W TO 22N162W MOVING W SLOWLY. WINDS 20
TO 25 KT WITHIN 420 NM W OF TROUGH N OF 28N. ISOLATED MODERATE TSTMS
N OF 27N BETWEEN 145W AND 149W.
.24 HOUR FORECAST TROUGH FROM 30N163W TO 24N167W. WINDS 20 TO 25 KT
WITHIN 210 NM E OF TROUGH N OF 26N.
.48 HOUR FORECAST TROUGH FROM 30N163W TO 25N167W. WINDS DIMINISHED
TO 20 KT OR LESS.

.TROUGH FROM 18N149W TO 12N151W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 300 NM E OF TROUGH.
.24 HOUR FORECAST WEAKENING TROUGH FROM 18N153W TO 13N155W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 09N TO 18N W OF 170E...FROM 10N TO
14N BETWEEN 180E AND 170E...AND FROM 14N TO 18N E OF 150W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 11N TO 17N W OF
174E...AND FROM 14N TO 19N E OF 160W. E TO SE WINDS 20 TO 25 KT FROM
22N TO 28N E OF 160W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 11N TO 20N E OF 158W. E
TO SE WINDS 20 TO 30 KT N OF 20N E OF 160W.

.RIDGE FROM 30N169W TO 23N174W MOVING E 25 KT AND ERODING FROM THE W.

.RIDGE FROM 30N165E TO 27N170E MOVING E 25 KT.

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

.SEAS 8 TO 10 FT FROM 05N TO 18N W OF 170E. SEAS 8 TO 9 FT FROM 04N
TO 14N BETWEEN 174W AND 170E...FROM 13N TO 18N E OF 155W...AND N OF
28N BETWEEN 173E AND 168E.
.24 HOUR FORECAST SEAS 8 TO 10 FT FROM 05N TO 17N W OF 165E. SEAS 8
TO 9 FT FROM 22N TO 28N E OF 150W...AND FROM 15N TO 19N BETWEEN 148W
AND 160W.
.48 HOUR FORECAST SEAS 12 TO 20 FT N OF 27N W OF 169E. SEAS 8 TO 12
FT ELSEWHERE N OF 25N W OF 171E. SEAS 8 TO 10 FT FROM 13N TO 28N E
OF 158W.

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

.SCATTERED MODERATE TO STRONG TSTMS S OF 07N BETWEEN 168W AND 174E.

.ITCZ FROM 07N140W TO 07N155W TO 04N168W. ISOLATED TSTMS WITHIN 120
NM OF ITCZ W OF 154W.

$$
.FORECASTER HOUSTON. HONOLULU HI.