High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 311645
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 31 2015.
24 HOUR FORECAST VALID 1200 UTC FEB 01 2015.
48 HOUR FORECAST VALID 1200 UTC FEB 02 2015.

.WARNINGS.

...GALE WARNING...

.LOW 27N170E 1008 MB MOVING NE 10 KT. FRONTS FROM LOW TO 30N174E
AND FROM LOW TO 18N160E. WINDS 20 TO 30 KT WITHIN 240 NM E OF LOW
AND FRONTS N OF 24N. ISOLATED MODERATE TSTMS WITHIN 250 NM E OF LOW
AND FRONTS N OF 23N.
.24 HOUR FORECAST LOW MOVED N OF FORECAST AREA. ASSOCIATED FRONT
FROM LOW TO 30N175E TO 26N176E TO 20N170E TO 16N160E. WINDS 20 TO 30
KT WITHIN 250 NM E OF FRONT N OF 22N.
.48 HOUR FORECAST FRONT FROM 30N176W TO 27N173W TO 21N180W 17N175E.
W WINDS 20 TO 30 KT BETWEEN FRONT AND 175E N OF 24N. SW TO S WINDS
20 TO 35 KT BOUNDED BY FRONT TO 21N178W TO 23N165W TO 30N165W TO
30N176W.

.SYNOPSIS AND FORECAST.

.FRONT 30N148W TO 25N156W TO 23N164W MOVING NE 15 KT.
.24 HOUR FORECAST FRONT 30N148W TO 25N156W.
.48 HOUR FORECAST FRONT MERGED WITH FRONT NOTED BELOW.

.FRONT 30N143W TO 25N148W TO 21N154W NEARLY STATIONARY. S WINDS 20
TO 25 KT E OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT 30N143W 25N150W 22N154W. S WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT MERGED WITH AFOREMENTIONED FRONT...
30N144W 25N150W 23N153W.

.TROUGH 02N160E TO 00N165E NEARLY STATIONARY. SCATTERED MODERATE
TSTMS WITHIN 350 NM N OF TROUGH W OF 167E.
.24 HOUR FORECAST TROUGH FROM 03N160E TO 00N165E.
.48 HOUR FORECAST TROUGH FROM NO CHANGE.

.24 HOUR FORECAST FRONT 30N161E TO 27N160E MOVING E 20 KT.
NW WINDS 20 TO 25 KT W OF FRONT.
.48 HOUR FORECAST FRONT 30N173E TO 28N172E TO 24N170E TO 19N160E.
NW WINDS 20 TO 25 KT W OF FRONT N OF 26N.

.RELOCATED HIGH NEAR 31N178W 1020 MB MOVING E 15 KT. RIDGE FROM
HIGH TO 23N170W MOVING NE 10 KT.

.RIDGE 27N180W TO 20N168E MOVING E 10 KT AND DISSIPATING.

.RIDGE 26N140W TO 21N150W MOVING N SLOWLY.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 14N E OF 163W.
.24 HOUR FORECAST NO CHANGE.
.48 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 12 TO 14 FT N OF A LINE 30N171W 24N167W 27N155W 30N147W.
SEAS 8 TO 12 FT N OF A LINE...17N160E 21N172E 14N177E 16N165W
22N150W 30N140W. SEAS 8 TO 10 FT BETWEEN 13N AND 06N E OF 157W.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF 22N BETWEEN 180W AND 168E.
SEAS 8 TO 10 FT N OF 20N E OF 160W...AND ALSO BETWEEN 15N AND 08N
E OF 167W.
.48 HOUR FORECAST SEAS 8 TO 12 FT W OF A LINE...30N167E TO 23N160E.
SEAS 10 TO 13 FT N OF 28N BETWEEN 165W AND 175W. SEAS 7 TO 10 FT
ELSEWHERE N OF 26N E OF 180W...AND ALSO BETWEEN 13N AND 06N E OF
170W.

.OTHERWISE SEAS 9 FT OR LESS OVER REMAINDER OF AREA.

.ITCZ FROM 05N140W TO 07N164W TO 03N175W. ISOLATED TSTMS WITHIN 100
NM EITHER SIDE OF ITCZ.

$$

.FORECASTER LAU. HONOLULU HI.










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