High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 310445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT JAN 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 31 2015.
24 HOUR FORECAST VALID 0000 UTC FEB 01 2015.
48 HOUR FORECAST VALID 0000 UTC FEB 02 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 27N167E 1011 MB MOVING NE 10 KT. FRONT FROM 30N171E TO LOW
TO 25N167E TO 20N160E. WINDS 20 TO 30 KT WITHIN 240 NM E OF LOW AND
FRONT N OF 23N. ISOLATED MODERATE TSTMS WITHIN 180 NM NE OF QUADRANT
OF LOW.
.24 HOUR FORECAST LOW NEAR 29N170E 1007 MB. FRONT FROM 30N173E TO
LOW TO 23N170E TO 19N164E. WINDS 20 TO 30 KT WITHIN 360 NM E OF LOW
AND FRONT N OF 24N.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT FROM 30N178E TO 26N179E
TO 19N173E. WINDS 20 TO 30 KT WITHIN 300 NM E OF FRONT N OF 22N.

.FRONT FROM 30N145W TO 26N147W TO 22N153W MOVING E 10 KT. WINDS 20
TO 30 KT N OF A LINE FROM 30N140W TO 25N146W TO 27N159W TO
30N165W. ISOLATED MODERATE TSTMS WITHIN 180 NM E OF FRONT N OF 28N.
.24 HOUR FORECAST DISSIPATING FRONT FROM 30N143W TO 25N148W THENCE
TROUGH TO 21N154W. WINDS DIMINISHED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 28N147W TO 26N151W
TO 21N154W.

.TROUGH FROM 00N170E TO 02N160E NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH...AND FROM 05N TO 07N W OF 175E.
.24 HOUR FORECAST TROUGH FROM 00N167E TO 02N160E.
.48 HOUR FORECAST TROUGH FROM 01N168E TO 03N160E.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 11N E OF 152W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 10N E OF
156W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 08N TO 11N E OF
160W.

.24 HOUR FORECAST DEVELOPING FRONT FROM 30N157W TO 28N160W TO
28N165W MOVING SE 20 KT. WINDS 20 TO 25 KT N OF 28N BETWEEN 153W AND
160W.
.48 HOUR FORECAST FRONT FROM 30N148W TO 25N157W TO 24N165W. WINDS
DIMINISHED TO 20 KT OR LESS.

.48 HOUR FORECAST NEW FRONT FROM 30N167E TO 26N165E TO 22N160E
MOVING E 20 KT. WINDS 20 TO 25 KT N OF 26N W OF 168E.

.RIDGE FROM 24N140W TO 20N151W NEARLY STATIONARY.

.RIDGE FROM 30N179W TO 24N174W TO 21N162W MOVING E 10 KT.

.RIDGE FROM 30N179E TO 23N175E TO 17N164E MOVING E 10 KT.

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

.SEAS 12 TO 16 FT N OF A LINE FROM 30N145W TO 26N168W TO 30N176W.
SEAS 12 TO 14 FT N OF A LINE FROM 30N169E TO 25N164E TO 30N162E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N140W TO 22N154W TO
12N174E TO 20N160E. SEAS 8 TO 9 FT FROM 07N TO 13N E OF 150W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE FROM 30N140W TO
20N150W TO 12N170W TO 18N160E. SEAS 8 TO 10 FT FROM 06N TO 12N E OF
157W.
.48 HOUR FORECAST SEAS 8 TO 11 FT N OF 28N E OF 168W...N OF 26N
BETWEEN 177W AND 177E...AND N OF 26N W OF 164W. SEAS 8 TO 10 FT E OF
A LINE FROM 22N150W TO 15N170W TO 06N170W.

.OTHERWISE SEAS 8 FT OR LESS OVER REMAINDER OF AREA.

.ITCZ FROM 05N140W TO 08N150W TO 09N157W TO 05N167W. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF ITCZ.

$$

.FORECASTER BRAVENDER. HONOLULU HI.








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