High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 212230
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC OCT 21 2014.
24 HOUR FORECAST VALID 1800 UTC OCT 22 2014.
48 HOUR FORECAST VALID 1800 UTC OCT 23 2014.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ANA NEAR 21.2N 165.7W. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE...70 NM SE...
20 NM SW...60 NM NW. SEAS 12 FT OR GREATER WITHIN 120 NM NE...90 NM
SE...70 NM SW...120 NM NW. WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT
ELSEWHERE WITHIN 140 NM N SEMICIRCLE AND 100 NM S SEMICIRCLE.
SCATTERED MODERATE TSTMS WITHIN 360 NM N QUADRANT...AND WITHIN 180
NM E QUADRANT.
.24 HOUR FORECAST TROPICAL STORM ANA NEAR 23.6N 168.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN
100 NM NE...80 NM SE...20 NM SW...60 NM NW. SEAS 12 FT OR GREATER
WITHIN 120 NM NE...90 NM SE...70 NM SW...120 NM NW. WINDS 20 TO 33
KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 150 NM NE...90 NM SE...75 NM
SW...140 NM NW.
.48 HOUR FORECAST TROPICAL STORM ANA NEAR 28.0N 168.1W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN
100 NM NE...80 NM SE...20 NM SW...70 NM NW. SEAS 12 FT OR GREATER
WITHIN 120 NM NE...90 NM SE...70 NM SW...120 NM NW. WINDS 20 TO 33
KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 150 NM NE...90 NM SE...75 NM
SW...140 NM NW.
.72 HOUR FORECAST TROPICAL STORM ANA NEAR 32.0N 165.1W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ANA NEAR 36.0N 160.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM ANA NEAR 42.5N 150.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.

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

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N171E TO 24N167E TO 21N160E MOVING E 15 KT. WINDS 20
TO 30 KT WITHIN 150 NM E OF FRONT N OF 25N...AND N OF 28N BETWEEN
THE FRONT AND 163E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 360 NM
E AND SE OF FRONT.
.24 HOUR FORECAST FRONT FROM 30N178E TO 22N170E TO 20N160E. WINDS 20
TO 25 KT WITHIN 180 NM E OF FRONT N OF 28N...AND N OF 28N BETWEEN
THE FRONT AND 166E.
.48 HOUR FORECAST FRONT 30N178W TO 20N171E TO 19N162E. WINDS EASED
TO 20 KT OR LESS OVER FORECAST WATERS.

.WEAK TROUGH FROM 25N140W TO 19N142W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE FROM 28N170W TO 14N167E NEARLY STATIONARY.

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

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

.SEAS 14 TO 17 FT N OF 28N BETWEEN 162E AND 167E. SEAS 9 TO 13 FT
ELSEWHERE N OF 25N W OF 175E. SEAS 8 TO 10 FT N OF 15N E OF 145W.
.24 HOUR FORECAST SEAS 9 TO 13 FT N OF 21N W OF 170E. SEAS 8 TO 12
FT N OF 25N BETWEEN 170E AND 180E.
.48 HOUR FORECAST SEAS DIMINISHED TO 20 KT OR LESS.

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

.SCATTERED MODERATE TO STRONG TSTMS S OF 10N BETWEEN 175W AND
172E...AND FROM 03N TO 10N W OF 163E. ISOLATED MODERATE TSTMS FROM
20N TO 26N BETWEEN 161W AND 166W... AND FROM 19N TO 22N BETWEEN 179W
AND 178E.

.ITCZ FROM 09N140W TO 07N163W TO 09N175W. SCATTERED MODERATE TO
STRONG TSTMS WITHIN 120 NM OF ITCZ E OF 165W. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF ITCZ W OF 165W.

$$
.HONOLULU HI.





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