000
FZPN40 PHFO 281025
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC TUE FEB 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FEB 28 2017.
24 HOUR FORECAST VALID 0600 UTC MAR 01 2017.
48 HOUR FORECAST VALID 0600 UTC MAR 02 2017.

.WARNINGS.

...GALE WARNING...
.FRONT FROM 28N160E TO 27N167E MOVING NE 15 KT.
.06 HOUR FORECAST FRONT FROM 30N160E TO 28N168E. WINDS 20 TO 30 KT
OVER FORECAST WATERS N OF 28N W OF 167E.
.24 HOUR FORECAST FRONT MOVED N OF FORECAST AREA. NEW FRONT FROM
30N166E TO 25N160E. WINDS 25 TO 35 KT OVER FORECAST WATERS NW OF
LINE FROM 30N173E TO 25N160E.
.48 HOUR FORECAST FRONT FROM 30N179E TO 22N170E TO 20N160E. WINDS 30
TO 40 KT OVER FORECAST WATERS N OF 27N BETWEEN 168E AND 180E. WINDS
20 TO 30 KT ELSEWHERE N OF LINE FROM 28N178W TO 22N170E TO 23N163E.

.SYNOPSIS AND FORECAST.

.LOW 24N174W 1013 MB MOVING E SLOWLY. SCATTERED TO LOCALLY ISOLATED
MODERATE TSTMS FROM 20N TO 26N BETWEEN 166W AND 174W.
.24 HOUR FORECAST LOW DISSIPATED. REMNANT TROUGH FROM 30N173W TO
21N172W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.FRONT FROM 30N177E TO 27N176E MOVING E 10 KT.
.24 HOUR FORECAST WEAK FRONT FROM 30N180E TO 27N177E.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH FROM 30N163W TO 26N166W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS N OF 28N BETWEEN 161W AND 163W.
.24 HOUR FORECAST TROUGH FROM 30N163W TO 23N164W.
.48 HOUR FORECAST WEAK TROUGH 30N165W TO 25N163W.

.TROUGH FROM 19N169W TO 13N168W TO 06N174W MOVING E SLOWLY. ISOLATED
TO LOCALLY SCATTERED MODERATE TSTMS FROM 13N TO 19N BETWEEN 159W AND
171W. ISOLATED MODERATE TSTMS FROM 07N TO 09N BETWEEN 157W AND 170W.
.24 HOUR FORECAST TROUGH FROM 20N166W TO 13N164W TO 06N171W. MAINLY
E WINDS 20 TO 25 KT OVER FORECAST WATERS FROM 16N TO 23N E OF
158W...AND FROM 08N TO 12N E OF 154W.
.48 HOUR FORECAST NEW LOW 25N158W 1009 MB. TROUGH FROM LOW TO
20N157W TO 14N162W. E TO SE WINDS 20 TO 30 KT OVER FORECAST WATERS N
OF 17N E OF 156W.

.RIDGE FROM 30N168E TO 27N169E TO 23N160E MOVING E 20 KT.

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

.SEAS 8 TO 9 FT N OF 26N E OF 148W.
.24 HOUR FORECAST SEAS 8 TO 11 FT OVER FORECAST WATERS NW OF LINE
30N168E TO 27N160E.
.48 HOUR FORECAST SEAS 18 TO 22 FT OVER FORECAST WATERS N OF 28N
BETWEEN 166E AND 176E. SEAS 12 TO 18 FT ELSEWHERE N OF 26N W OF
178E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 29N179W TO 23N169E TO
24N160E. SEAS 8 TO 10 FT E OF LINE FROM 27N150W TO 25N159W TO
15N145W.

.SEAS 8 FT OR LESS OVER REST OF FORECAST AREA.

.ITCZ FROM 06N177E TO 05N170E TO 05N160E. ISOLATED MODERATE TSTMS
WITHIN 120 NM N OF ITCZ W OF 167E.

$$

.FORECASTER KINEL. HONOLULU HI.