High Seas Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FZPN40 PHFO 201100
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC MON OCT 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC OCT 20 2014.
24 HOUR FORECAST VALID 0600 UTC OCT 21 2014.
48 HOUR FORECAST VALID 0600 UTC OCT 22 2014.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ANA NEAR 20.7N 162.2W AT 20/0900 UTC. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN
90 NM NE...60 NM SE...40 NM SW...70 NM NW QUADRANTS. SEAS 12 FT OR
HIGHER WITHIN 120 NM NE...90 NM SE...70 NM SW...110 NM NW QUADRANTS.
WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 150 NM N AND
120 NM S SEMICIRCLES. SCATTERED MODERATE TO STRONG TSTMS WITHIN
90 NM OF CENTER.
.24 HOUR FORECAST TROPICAL STORM ANA NEAR 21.6N 165.0W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN
80 NM NE...50 NM SE...40 NM SW...60 NM NW QUADRANTS. SEAS 12 FT OR
HIGHER WITHIN 120 NM NE...90 NM SE...70 NM SW...110 NM NW QUADRANTS.
WINDS 20 TO 33 KT AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 150 NM OF
CENTER.
.48 HOUR FORECAST HURRICANE ANA NEAR 23.6N 166.7W. MAXIMUM SUSTAINED
WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM
NE...60 NM SE...40 NM SW...70 NM NW QUADRANTS. SEAS 12 FT OR
HIGHER WITHIN 120 NM N AND 90 NM S SEMICIRCLES. WINDS 20 TO 33 KT
AND SEAS 8 TO 12 FT ELSEWHERE WITHIN 150 NM OF CENTER.
.72 HOUR FORECAST HURRICANE ANA NEAR 25.8N 168.0W. MAXIMUM SUSTAINED
WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ANA NEAR 29.1N 168.0W. MAXIMUM SUSTAINED
WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE ANA NEAR 33.0N 166.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.

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

.SYNOPSIS AND FORECAST.

.LOW 26N160E 1006 MB MOVING NE 20 KT. TROUGH FROM LOW TO 30N165E
NEARLY STATIONARY. NE WINDS 20 TO 25 KT W OF TROUGH AND LOW.
SCATTERED MODERATE TO STRONG TSTMS N OF 20N W OF 167E. ISOLATED
MODERATE TSTMS ELSEWHERE N OF A LINE FROM 14N160E TO 20N165E TO
20N170E...AND FROM 20N TO 24N BETWEEN 170E AND 173E.
.24 HOUR FORECAST LOW N OF AREA. TROUGH DEVELOPED TO A FRONT FROM
30N167E TO 22N160E. WINDS 20 TO 30 KT WITHIN 270 NM OF FRONT N OF
24N.
.48 HOUR FORECAST FRONT FROM 30N174E TO 22N166E TO 20N160E. WINDS
20 TO 30 KT N OF 29N W OF 176E.

.LOW 06N169E 1009 MB MOVING NW SLOWLY. TROUGH FROM LOW TO 09N164E
TO 12N163E NEARLY STATIONARY. ISOLATED MODERATE TSTMS S OF 13N W OF
178W.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH FROM 11N161E TO 09N165E TO
05N167E.

.WEAK FRONT FROM 25N140W TO 24N145W TO 23N152W TO 24N158W MOVING
S SLOWLY. NE TO E WINDS 20 TO 25 KT FROM 23N TO 28N BETWEEN 156W AND
167W.
.24 HOUR FORECAST FRONT DISSIPATED. WINDS EASED TO 20 KT OR LESS.

.TROUGH FROM 25N174E TO 30N179W MOVING N 10 KT. ISOLATED MODERATE
TSTMS N OF 21N BETWEEN 169W AND 177E.
.24 HOUR FORECAST TROUGH N OF AREA.

.TROUGH FROM 04N174W TO 07N173W TO 10N170W MOVING W 10 KT. SCATTERED
MODERATE TO STRONG TSTMS FROM 04N TO 07N BETWEEN 169W AND 172W.
ISOLATED MODERATE TSTMS ELSEWHERE S OF 10N BETWEEN 166W AND 178E.
.24 HOUR FORECAST TROUGH FROM 06N178W TO 10N173W.
.48 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 12 TO 15 FT N OF LINE FROM 25N140W TO 24N149W TO 30N155W. SEAS
8 TO 12 FT ELSEWHERE N OF LINE FROM 23N140W TO 16N151W TO 22N157W TO
17N160W TO 21N170W TO 30N179E...AND NW OF A LINE FROM 30N164E TO
27N160E.
.24 HOUR FORECAST SEAS 8 TO 14 FT N OF A LINE FROM 30N171E TO
25N168E TO 27N165E TO 25N160E. SEAS 8 TO 12 FT N OF 12N E OF 154W.
SEAS 8 TO 10 FT FROM 22N TO 28N BETWEEN 154W AND 160W.
.48 HOUR FORECAST SEAS 12 TO 16 FT N OF A LINE FROM 30N172E TO
27N167E TO 27N163E TO 29N160E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE
FROM 30N177E TO 26N174E TO 27N171E TO 23N160E. SEAS 8 TO 9 FT FROM
E OF A LINE FROM 09N140W TO 14N150W TO 19N150W TO 28N140W.

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

.ITCZ FROM 09N140W TO 08N165W. ISOLATED MODERATE TSTMS WITHIN 120 NM
OF ITCZ.

$$

.HONOLULU HI.





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.