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
FZPS40 PHFO 021158
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1130 UTC SUN AUG 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SOUTH PACIFIC EQUATOR TO 25S BETWEEN 120W AND 160E

SYNOPSIS VALID 0600 UTC AUG 02 2015.
24 HOUR FORECAST VALID 0600 UTC AUG 03 2015.
48 HOUR FORECAST VALID 0600 UTC AUG 04 2015.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 10S 172E 1002 MB MOVING E SLOWLY. WINDS 30 TO 40 KT WITHIN
300 NM LOW LOW S QUADRANT. WINDS 20 TO 30 KT ELSEWHERE WITHIN A
POLYGON BOUNDED BY 00S171E 00S178E 10S176E 13S171E 25S179W 25S167E
20S160E 10S160E 00S171E. SEAS 12 TO 15 FT WITHIN 480 NM S AND SE
QUADRANTS. SEAS 8 TO 12 FT ELSEWHERE WITHIN A POLYGON 02S160E
03S176E 10S165W 19S170W 25S179W 25S167E 20S160E 10S160E 02S160E.
CONVERGENCE LINE FROM 02S162E 04S170E 07S178E. NUMEROUS STRONG TO
SEVERE TSTMS WITHIN 150 NM EITHER SIDE OF CONVERGENCE LINE AND ALSO
WITHIN 240 NM OF LOW CENTER. ISOLATED MODERATE TO STRONG TSTMS
ELSEWHERE WITHIN A POLYGON BOUNDED BY 00S160E 00S173W 18S178W
18S175E 12S168E 05S160E 00S160E.
.24 HOUR FORECAST LOW NEAR 10S173E. TROUGH FROM LOW TO 13S178W.
WINDS 30 TO 40 KT WITHIN 300 NM S OF TROUGH. WINDS 20 TO 30 KT
WITHIN A POLYGON BOUNDED BY 00S171E 00S178E 10S176E 13S171E 25S179W
25S167E 20S160E 10S160E 00S171E. SEAS 12 TO 18 FT WITHIN 240 NM OF
LOW AND ALSO WITHIN 480 NM S OF TROUGH. SEAS 8 TO 12 FT ELSEWHERE
WITHIN A POLYGON 02S160E 03S176E 10S165W 19S170W 25S179W 25S167E
20S160E 10S160E 02S160E.
.48 HOUR FORECAST LOW NEAR 102173E. TROUGH FROM LOW TO 13S178W TO
14S172W. WINDS 30 TO 35 KT WITHIN 240 NM S OF TROUGH. WINDS 20 TO 30
KT ELSEWHERE WITHIN A POLYGON FROM 10S TO 23S BETWEEN 165E AND 165W.
SEAS 12 TO 15 FT WITHIN 240 NM OF LOW AND ALSO WITHIN 480 NM S OF
TROUGH W OF 178W. SEAS 8 TO 12 FT ELSEWHERE WITHIN A POLYGON BOUNDED
BY 03S165E 10S162W 17S162W 23S179W 23S170E 12S163E 03S165E.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 25S133W TO 21S138W TO 17S142W. FRONT MOVING E 15 KT
S OF 21S AND SLOWLY NE N OF 21S. WINDS 20 TO 30 KT S OF 21S WITHIN
240 NM E OF FRONT.
.24 HOUR FORECAST FRONT FROM 25S126W TO 21S134W TO 17S142W. WINDS 20
TO 30 KT S OF 21S WITHIN 240 NM E OF FRONT.
.48 HOUR FORECAST FRONT FROM TO 23S120W TO 20S133W TO 17S143W.
ASSOCIATED WINDS DIMINISHED TO 20 KT OR LESS.

.STATIONARY FRONT FROM 17S142W TO 14S152W TO 13S162W TO 13S171W.
ASSOCIATED WINDS AND SEAS INCLUDED WITH GALE FORCE LOW DESCRIBED
ABOVE. ISOLATED MODERATE TSTMS WITHIN 120 NM OF FRONT W OF 152W.
.48 HOUR FORECAST FRONT FROM 17S142W TO 14S152W THENCE A TROUGH TO
11S162W. ASSOCIATED WINDS AND SEAS INCLUDED WITH GALE FORCE LOW
DESCRIBED ABOVE.

.RIDGE FROM 19S121W TO 16S131W.
.24 HOUR FORECAST RIDGE FROM 19S121W TO 14S142W.

.RIDGE FROM 25S170W TO 21S160W TO 20S147W.
.48 HOUR FORECAST RIDGE FROM 25S170W TO 21S160W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE ISOLATED MODERATE TO STRONG TSTMS N OF 05S BETWEEN 162W
AND 142W.

$$
.FORECASTER A BEDAL. HONOLULU HI.




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