High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 311045
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 31 2015.
24 HOUR FORECAST VALID 0600 UTC FEB 01 2015.
48 HOUR FORECAST VALID 0600 UTC FEB 02 2015.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 27N169E 1011 MB MOVING NE 10 KT. FRONT FROM LOW TO 30N173E
AND FROM LOW TO 19N160E. WINDS 20 TO 30 KT WITHIN 240 NM E OF LOW
AND FRONT N OF 23N. ISOLATED MODERATE TSTMS WITHIN 150 NM E OF LOW
AND FRONTS N OF 25N.
.24 HOUR FORECAST LOW 29N172E 1004 MB. FRONT FROM LOW TO 28N174E TO
24N172E TO 19N166E. WINDS 20 TO 30 KT WITHIN 320 NM E OF LOW AND
FRONT LOW AND FRONT N OF 25N.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT FROM 30N178E TO 28N178W
TO 23N180W TO 16N170E. WINDS 20 TO 25 KT IN AREA BOUNDED BY 30N178W
26N171W 23N179W 30N175E AND 30N178W.

.FRONT 30N149W TO 24N157W TO 23N165W MOVING NE 15 KT.
.24 HOUR FORECAST FRONT 30N148W TO 24N156W.
.48 HOUR FORECAST FRONT 30N147W TO 26N153W.

.FRONT 30N143W TO 25N147W TO 21N155W NEARLY STATIONARY. S WINDS 20
TO 25 KT E OF FRONT N OF 25N.
.24 HOUR FORECAST FRONT 30N142W 25N150W 22N155W. S WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT 30N142W 26N150W 22N155W.

.TROUGH 04N160E TO 00N175E NEARLY STATIONARY. SCATTERED MODERATE
TSTMS WITHIN 250 NM N OF TROUGH W OF 165E.
.24 HOUR FORECAST TROUGH FROM 04N160E TO 00N170E.
.48 HOUR FORECAST TROUGH FROM NO CHANGE.

.NE TO E WINDS 20 TO 25 KT FROM 08N TO 14N E OF 160W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 14N E OF
163W.
.48 HOUR FORECAST NO CHANGE.

.24 HOUR FORECAST FRONT JUST W OF FORECAST AREA FROM 30N158E TO
25N155E MOVING E 20 KT. NW WINDS 20 TO 25 KT W OF FRONT.
.36 HOUR FORECAST FRONT 30N164E TO 24N160E. NW WINDS 20 TO 25 KT W
OF FRONT.
.48 HOUR FORECAST FRONT 30N170E TO 24N166E TO 21N160E.
NW WINDS 20 TO 25 KT W OF FRONT.

.HIGH 28N178W 1018 MB MOVING NE 15KT. RIDGES FROM HIGH TO 24N170W
AND FROM HIGH TO 20N167E.
.HIGH DISSIPATED N OF FORECAST AREA. RIDGE FROM 30N172W TO 25N167W
TO 23N160W.
.24 HOUR FORECAST RIDGES FROM 30N179E TO 23N175E TO 17N164E MOVING E
10 KT...AND FROM 26N176W TO 16N170E.
.48 HOUR FORECAST NEW HIGH 29N158W 1017 MB. RIDGES FROM HIGH TO
30N153W AND FROM HIGH TO 30N168W.

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

.SEAS 12 TO 14 FT N OF A LINE 30N174W TO 24N167W 27N155W 30N145W.
SEAS 8 TO 12 FT N OF A LINE...19N160E 24N170E 14N170E 16N170W
22N150W 30N140W. SEAS 8 TO 10 FT BETWEEN 14N AND 07N E OF 155W.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF 18N BETWEEN 180W AND 168E.
SEAS 8 TO 10 FT N OF A LINE...30N170W 25N163E 22N155W 29N140W...AND
ALSO BETWEEN 13N AND 06N E OF 155W.
.48 HOUR FORECAST SEAS 8 TO 11 FT W OF A LINE...30N165E TO 24N160E.
SEAS 8 TO 10 FT N OF 26N E OF 170W...AND BETWEEN 17N AND 06N FROM
150W TO 170W.

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

.ITCZ FROM 05N140W TO 08N160W TO 03N180W. SCATTERED MODERATE TSTMS
WITHIN 200 NM OF ITCZ BETWEEN 160W AND 168W. ISOLATED TSTMS WITHIN
100 NM N OF ITCZ ELSEWHERE OF 160W.

$$

.FORECASTER LAU. HONOLULU HI.









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