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
000
FZPS40 PHFO 172252
HSFSP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2330 UTC WED JAN 17 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JAN 17 2018.
24 HOUR FORECAST VALID 1800 UTC JAN 18 2018.
48 HOUR FORECAST VALID 1800 UTC JAN 19 2018.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.STATIONARY FRONT FROM 25S167E TO 21S164E THENCE A TROUGH TO
17N160E. ISOLATED MODERATE TO STRONG TSTMS WITHIN 120 NM E OF
FRONT. SCATTERED MODERATE TSTMS WITHIN 180 NM EITHER SIDE OF
TROUGH AXIS.

.TROUGH FROM 06S158W TO 09N152W TO 11S145W MOVING WSW SLOWLY.
ISOLATED MODERATE TSTMS WITHIN 180 NM SW OF TROUGH AXIS.
.24 HOUR FORECAST TROUGH FROM 08S162W TO 12S152W.
.36 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH FROM 25S156W TO 22S168W TO 23S179E NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 120 NM EITHER SIDE OF TROUGH AXIS.
.48 HOUR FORECAST TROUGH DISSIPATED.

.RIDGE BUILDING OVER FORECAST AREA.
.48 HOUR FORECAST RIDGE FROM 25S177W TO 15S167E.

.WINDS 20 KT OR LESS ENTIRE FORECAST AREA.

.SEAS 8 TO 11 FT SW AND S OF A LINE FROM 16S160E TO 22S170E TO
21S179E...AND ALSO SW AND S OF A LINE FROM 25S140W TO 22S150W TO
23S175W. SEAS BUILDING TO 8 TO 9 FT N OF 20S E OF 130W.
.24 HOUR FORECAST SEAS 8 TO 11 FT S OF 20S E OF 175W. SEAS 8 TO 9 FT
SE OF A LINE FROM 00S130W TO 20S135W.
.48 HOUR FORECAST SEAS 8 TO 9 FT S OF 20S BETWEEN 165E AND 179W...
AND ALSO S OF 10S E OF 130W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.OTHERWISE SCATTERED MODERATE TSTMS FROM 03S TO 12S W OF 168E.
ISOLATED MODERATE TSTMS WITHIN 120 NM EITHER SIDE OF A LINE FROM
12S174E TO 14S177W TO 17S167W.

$$

.FORECASTER 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.