High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 281645
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT FEB 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FEB 28 2015.
24 HOUR FORECAST VALID 1200 UTC MAR 01 2015.
48 HOUR FORECAST VALID 1200 UTC MAR 02 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 27N156W MOVING NNE SLOWLY. DISSIPATING. WEAKENING FRONT FROM
LOW TO 25N155W TO 21N156W THENCE TROUGH TO 18N162W. FRONT MOVING E
SLOWLY. TROUGH NEARLY STATIONARY. ANOTHER FRONT FROM LOW TO 30N156W
MOVING E SLOWLY. SE WINDS 20 TO 25 KT BETWEEN 151W AND 147W N OF
23N. ISOLATED TSTMS WITHIN 60 NM NE QUADRANT OF LOW. WIDELY
SCATTERED TSTMS WITHIN 150 NM EITHER SIDE OF A LINE...30N150W
21N152W 16N161W.
.24 HOUR FORECAST LOW DISSIPATED. WEAKENING FRONT FROM 30N152W TO
27N153W. TROUGH FROM 27N152W TO 20N153W. SE WINDS 20 TO 25 KT
BETWEEN 151W AND 148W N OF 24N.
.48 HOUR FORECAST TROUGH 30N153W TO 26N153W TO 21N155W. E WINDS 20
TO 25 KT E OF TROUGH. NE  WINDS 20 TO 25 KT BETWEEN TROUGH AND 160W.

.COLD FRONT JUST W OF FORECAST AREA 31N160E TO 27N154E MOVING E 25
KT. SW WINDS 20 TO 30 KT N OF 28N W OF 167E. W END OF FRONT BECOMING
STATIONARY.
.24 HOUR FORECAST FRONT 30N169E TO 28N160E NE WINDS 20 TO 25 KT N OF
FRONT. FRONT MOVING N AS A WARM FRONT.
.48 HOUR FORECAST FRONT MOVED N OF FORECAST AREA. WINDS DIMINISHED
TO 20 KT OR LESS.

.DISSIPATING COLD FRONT 30N162W TO 28N165W TO 25N175W TO 25N177E
MOVING SE AND S 15 KT.
.24 HOUR FORECAST  FRONT DISSIPATED.

.TROUGH 01N160E TO 00N163E NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH LITTLE CHANGE.
.48 HOUR FORECAST TROUGH LITTLE CHANGE.

.RIDGE 30N169E TO 27N160E MOVING E 15 KT.

.RIDGE FROM 30N140W TO 25N150W NEARLY STATIONARY...DISSIPATING.

.E TO NE WINDS 20 TO 30 KT SEAS 8 TO 13 FT FROM 09N TO 22N W OF 164W.
.24 HOUR FORECAST E TO NE WINDS 20 TO 25 KT SEAS 8 TO 11 FT FROM 12N
TO 22N W OF 162W.
.48 HOUR FORECAST ELSEWHERE...E TO NE WINDS 20 TO 30 KT SEAS 8 TO 10
FT FROM 12N TO 25N W OF 156W.

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

.SEAS ELSEWHERE 8 FT OR LESS.
.24 HOUR FORECAST ELSEWHERE SEAS 8 TO 12 FT N OF A LINE...30N177W
26N167W 30N159W. SEAS 8 TO 11 FT N OF A LINE...30N166E TO 27N160E.
.48 HOUR FORECAST ELSEWHERE SEAS 7 TO 10 FT N OF 25N BETWEEN 152W
AND 165W...AND N OF 25N W OF 175E.

.WIDELY SCATTERED MODERATE TSTMS S OF 10N W OF 180W.

.ITCZ FROM 08N140W TO 09N150W TO 07N160W TO 04N170W. WIDELY
SCATTERED TSTMS BETWEEN ITCZ AND 03N W OF 150W.


$$
.FORECASTER LAU. HONOLULU HI.











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