High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 210445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC TUE OCT 21 2014

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 21 2014.
24 HOUR FORECAST VALID 0000 UTC OCT 22 2014.
48 HOUR FORECAST VALID 0000 UTC OCT 23 2014.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ANA NEAR 20.5N 164.0W...MOVING W 8 KT...997 MB.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
TROPICAL STORM FORCE WINDS WITHIN 100 NM NE...60 NM SE...30 NM
SW...90 NM NW QUADRANTS. SEAS 12 FT OR MORE WITHIN 120 NM NE...90 NM
SE...70 NM SW...110 NM NW QUADRANTS. WINDS 20 TO 33 KT SEAS 8 TO 12
FT WITHIN 130 NM N SEMICIRCLE AND WITHIN 90 NM ELSEWHERE.
.24 HOUR FORECAST TROPICAL STORM ANA NEAR 22.0N 166.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE...40 NM SE...20 NM SW...80 NM NW QUADRANTS.
SEAS 12 FT OR MORE WITHIN 100 NM SEMICIRCLE...80 NM NW ELSEWHERE.
WINDS 20 TO 33 KT SEAS 8 TO 12 FT WITHIN 120 NM N SEMICIRCLE AND
WITHIN 100 NM ELSEWHERE.
.48 HOUR FORECAST TROPICAL STORM ANA NEAR 25.0N 168.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM NE...60 NM SE...40 NM SW...80 NM NW QUADRANTS.
SEAS 12 FT OR MORE WITHIN 120 NM N SEMICIRCLE AND WITHIN 90 NM
ELSEWHERE. WINDS 20 TO 33 KT SEAS 8 TO 12 FT WITHIN 150 NM N
SEMICIRCLE AND WITHIN 120 NM ELSEWHERE.
 .72 HOUR FORECAST TROPICAL STORM ANA NEAR 28.0N 167.9W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ANA NEAR 31.9N 164.6W. MAXIMUM SUSTAINED
WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM ANA NEAR 35.9N 157.5W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.

FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO FORECAST UNCERTAINTY.

...GALE WARNING...
.LOW NEAR 30N166E 1003 MB MOVING NE 20 KT. FRONT FROM LOW TO
25N164E TO 21N160E. NE WINDS 20 TO 35 KT W OF LOW AND FRONT N OF
27N. SW WINDS 20 TO 30 KT WITHIN 160 NM E OF FRONT N OF 23N.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM E OF FRONT...AND
ALSO BETWEEN 20N AND 16N W OF 166E. SEE LATEST FZPN01 KWBC FOR MORE
DETAILS ON THIS LOW.
.24 HOUR FORECAST LOW MOVED N OF FCST AREA. TRAILING FRONT FROM
LOW TO 30N172E TO 23N167E TO 21N160E. WINDS 20 TO 25 KT N OF A LINE
FROM 30N172E 27N170E 30N164E. WINDS 20 TO 30 KT WITHIN 200 NM E OF
.48 HOUR FORECAST FRONT 30N178E TO 24N173E TO 21N167E TO 19N160E.
WINDS 20 TO 25 KT BETWEEN FRONT AND 171E N OF 28N. ALSO...WINDS 20
TO 25 KT WITHIN 150 NM E OF FRONT N OF 26N.

.SYNOPSIS AND FORECAST.

.LOW NEAR 06N165E 1009 MB MOVING NW SLOWLY. SCATTERED MODERATE TSTMS
WITHIN 300 NM SW QUADRANT. SCATTERED TSTMS WITHIN 300 NM N AND NE
QUADRANTS.
.24 HOUR FORECAST LOW 08N162E 1009 MB. TROUGH FROM LOW TO 00N160E.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 14N165E TO 02N164E.

.WEAK LOW N OF FCST AREA NEAR 31N179W WITH TROUGH FROM LOW TO
26N179W TO 23N179W. SCATTERED MODERATE TSTMS ALONG A LINE FROM
29N174W AND 24N176W. WIDELY SCATTERED TSTMS ELSEWHERE N OF 20N
BETWEEN 174W AND 180W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.DISSIPATING FRONT FROM 21N140W TO 19N145W TO 23N155W TO 24N162W.
PORTION OF FRONT E OF 150W MOVING 10 KT. OTHERWISE NEARLY
STATIONARY. NE TO E WINDS 20 TO 25 KT WITHIN 120 NM N OF FRONT W OF
155W.
.24 HOUR FORECAST FRONT DISSIPATED. WINDS EASED TO 20 KT OR LESS.

.TROUGH FROM 25N173W TO 19N171W MOVING W SLOWLY. ISOLATED TSTMS
ALONG TROUGH.
.12 HOUR FORECAST TROUGH DISSIPATED.

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

.THE FOLLOWING ARE SEAS OTHER THAN THOSE ASSOCIATED WITH TROPICAL
STORM ANA.

.SEAS ELSEWHERE OF ANA...8 TO 13 FT N OF 14N E OF 155W AND SEAS 8 TO
12 FT ELSEWHERE N OF 24N E OF 171W. SEAS 8 TO 13 FT N OF A LINE...
23N160E TO 25N166E TO 30N171E.
.24 HOUR FORECAST SEAS 8 TO 14 FT N OF A LINE...24N160E TO 25N170E
TO 30N177E. SEAS 7 TO 9 FT N OF 10N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF A LINE...22N160E TO 23N170E
TO 27N180W TO 30N178W.

.OTHERWISE SEAS 8 FT OR LESS.

.ITCZ FROM 07N140W TO 06N153W TO 08N170W TO 08N177E.
SCATTERED MODERATE TSTMS WITHIN 120 NM OF ITCZ BETWEEN 155W AND 180W.
ALSO...WIDELY SCATTERED TSTMS ELSEWHERE S OF ITCZ BETWEEN 170W AND
175E.

$$
.FORECASTER LAU. HONOLULU HI







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