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 310445
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC MON AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0000 UTC AUG 31 2015.
24 HOUR FORECAST VALID 0000 UTC SEP 01 2015.
48 HOUR FORECAST VALID 0000 UTC SEP 02 2015.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IGNACIO NEAR 19.8N 149.6W AT 0300 UTC. MAXIMUM SUSTAINED
WINDS 100 KT GUSTS 120 KT. WINDS 34 KT OR GREATER WITHIN 120 NM N
SEMICIRCLE... 140 NM SE QUADRANT...70 NM SW QUADRANTS. SEAS 12 FT OR
GREATER WITHIN 225 NM NE...190 NM SE...205 NM SW...270 NM NW
QUADRANTS. WINDS 20 TO 33 KT ELSEWHERE WITHIN 180 NM OF CENTER
EXCEPT 150 NM SE QUADRANT. NUMEROUS STRONG TSTMS WITHIN 120 NM N
SEMICIRCLE AND 90 NM S SEMICIRCLE.
.24 HOUR FORECAST HURRICANE IGNACIO 21.9N 151.8W. MAXIMUM SUSTAINED
WINDS 70 KT GUSTS 85 KT. WINDS 34 KT OR GREATER WITHIN 110 NM
OF CENTER EXCEPT 50 NM SW QUADRANTS. SEAS 12 FT OR HIGHER WITHIN 180
NM N AND 130 NM S SEMICIRCLES. WINDS 20 TO 33 KT ELSEWHERE WITHIN
240 NM N AND 130 NM S SEMICIRCLES.
.48 HOUR FORECAST TROPICAL STORM IGNACIO NEAR 24.0N 154.6W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. WINDS 34 KT OR GREATER WITHIN
90 NM NE...90 NM SE...40 NM SW...80 NM NW QUADRANTS. SEAS 12 FT
OR HIGHER WITHIN 160 NM N AND 130 NM S SEMICIRCLES. WINDS 20 TO 33
KT ELSEWHERE WITHIN 250 NM N AND 120 NM S SEMICIRCLES.
.72 HOUR FORECAST TROPICAL STORM IGNACIO NEAR 25.9N 157.8W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IGNACIO NEAR 28.1N 161.4W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM IGNACIO NEAR 32.0N 163.6W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.

.FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY.

...HURRICANE WARNING...
.HURRICANE KILO NEAR 20.0N 178.4W AT 0300 UTC. MAXIMUM SUSTAINED
WINDS 110 KT GUSTS 135 KT. WINDS 34 KT OR GREATER WITHIN 140 NM
NE...90 NM SE...60 NM SW...120 NM NW QUADRANTS. SEAS 12 FT OR
GREATER WITHIN 240 NM NE...170 NM SE...240 NM SW...240 NM NW. WINDS
20 TO 33 KT ELSEWHERE WITHIN 180 NM N AND 140 NM S SEMICIRCLES. SEAS
8 TO 12 FT ELSEWHERE FROM 13N TO 27N BETWEEN 173W AND 174E. NUMEROUS
STRONG TSTMS WITHIN 120 NM OF CENTER.
.24 HOUR FORECAST HURRICANE KILO NEAR 22.5N 179.4W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. WINDS 34 KT OR GREATER WITHIN
WITHIN 130 NM NE...90 NM SE...50 NM SW...110 NM NW QUADRANTS. SEAS
12 FT OR HIGHER WITHIN 200 NM N AND 160 NM S SEMICIRCLES. WINDS 20
TO 33 KT ELSEWHERE WITHIN 200 NM NE AND 130 NM SW SEMICIRCLES. SEAS
8 TO 12 FT ELSEWHERE N OF 16N BETWEEN 175W AND 170E.
.48 HOUR FORECAST HURRICANE KILO NEAR 24.3N 179.6E. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. WINDS 34 KT OR GREATER WITHIN
120 NM NE...110 NM SE...40 NM SW...100 NM NW. SEAS 12 FT OR HIGHER
WITHIN 200 NM N AND 150 NM S SEMICIRCLES. WINDS 20 TO 33 KT
ELSEWHERE WITHIN 180 NM NE AND 125 NM SW SEMICIRCLES.
.72 HOUR FORECAST HURRICANE KILO NEAR 24.7N 178.3E. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE KILO NEAR 24.5N 176.5E. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE KILO NEAR 24.0N 174.5E. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT.

.FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY.

...HURRICANE WARNING...
.24 HOUR FORECAST HURRICANE JIMENA E OF AREA NEAR 16.2N 136.8W.
MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145 KT. SEAS 12 FT OR HIGHER
FROM11N TO 22N E OF 142W. WINDS 20 TO 25 KT E OF 141W BETWEEN 14N
AND 19N.
.48 HOUR FORECAST HURRICANE JIMENA NEAR 17.3N 140.0W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. WINDS 34 KT OR GREATER
WITHIN 120 NM NE...100 NM SE...100 NM SW...110 NM NW QUADRANTS.
SEAS 12 FT OR HIGHER FROM 23N TO 14N E OF 142W. WINDS 20 TO 33 KT
ELSEWHERE E OF 143W BETWEEN 13N AND 24N.
.72 HOUR FORECAST HURRICANE JIMENA NEAR 18.3N 141.9W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE JIMENA NEAR 19.1N 143.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST HURRICANE JIMENA NEAR 20.2N 143.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.

.FORECAST WINDS NEAR TROPICAL CYCLONES SHOULD BE USED WITH CAUTION
DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 11S160E TO 05N170E TO 06N179E TO 08N173E TO 11N167W TO
13N163W NEARLY STATIONARY. WEAK LOW 1008 MB EMBEDDED IN TROUGH NEAR
05N170E. ANOTHER WEAK LOW EMBEDDED IN TROUGH NEAR 06N179E. SCATTERED
MODERATE TO STRONG TSTMS S OF TROUGH AND LOWS W OF 167W...AND WITHIN
120 NM N OF TROUGH AND LOWS W OF 167W. ISOLATED MODERATE TSTMS FROM
13N TO 03N BETWEEN 152W AND 167W.
.24 HOUR FORECAST LOWS DISSIPATED. TROUGH FROM 11N160E TO 06N179E TO

13N165W.
.48 HOUR FORECAST TROUGH FROM 13N160E TO 08N175E TO 12N170W.

.TROUGH FROM 27N176E TO 21N166E TO 19N160E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH W OF 166E.
.24 HOUR FORECAST TROUGH FROM 26N170E TO 23N160E.
.48 HOUR FORECAST TROUGH FROM 27N167E TO 26N160E.

.TROUGH FROM 27N169W TO 25N164W NEARLY STATIONARY. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WEAK FRONT FROM 30N178W TO 28N179W NEARLY STATIONARY. ISOLATED
MODERATE TSTMS WITHIN 120 NM E OF FRONT.
.24 HOUR FORECAST FRONT DISSIPATED.

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

.EXCEPT FOR SEAS DESCRIBED ABOVE IN THE HURRICANE WARNING
SECTIONS...SEAS 8 TO 12 FT N OF 10N E OF 158W.
.24 HOUR FORECAST SEAS...EXCEPT FOR THOSE MENTIONED IN HURRICANE
WARNING SECTIONS ABOVE...SEAS 8 TO 12 FT N OF A LINE FROM 00N140W TO
15N155W TO 30N169W.
.48 HOUR FORECAST SEAS...EXCEPT FOR THOSE MENTIONED IN HURRICANE
WARNING SECTIONS ABOVE...SEAS 8 TO 12 FT N OF A LINE FROM 00N140W TO
00N153W TO 25N168W TO 20N179E TO 30N170E.

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

ISOLATED MODERATE TSTMS WITHIN 60 NM OF A LINE FROM 04N140W
TO 04N146W...AND WITHIN 90 NM OF A POINT 14N170E.

$$
.FORECASTER DWROE. HONOLULU HI.




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