High Seas Forecast
National Weather Service Honolulu HI
2330 UTC Fri may 24 2013
Superseded by next issuance in 6 hours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 may 24 2013.
24 hour forecast valid 1800 UTC may 25 2013.
48 hour forecast valid 1800 UTC may 26 2013.
.Warnings.
.none.
.Synopsis and forecast.
.low near 15s171e 1008 mb moving S 10 kt. Troughs from low to
09s162w and from low to 17s176w. Numerous strong tstms within 240 nm
low S quadrant. Scattered moderate to strong tstms elsewhere within
360 nm trough.
.24 hour forecast low near 17s167e 1008 mb. Troughs from low to
12s163e and from low to 21s173e.
.48 hour forecast low near 20s170e 1009 mb. Troughs from low to
12s163e and from low to 25s177e.
.Front from 25s167e to 18s160e moving se 10 kt. NW winds 20 to 30 kt
over forecast waters SW of front.
.24 hour forecast front from 25s170e to 19s164e. Associated winds 20
kt or less.
.48 hour forecast front S of forecast area.
.cold front S of forecast area near 26s157w moving NE 15 kt.
.24 hour forecast front from 25s143w to 22s148w.
.48 hour forecast front from 25s132w to 18s140w. NE winds 20 to 25
kt within 300 nm E of front.
.Trough from 07s152w to 13s140w. Scattered moderate tstms within 300
nm trough.
.24 hour forecast trough from 08s161w to 14s146w.
.48 hour forecast trough from 10s154w to 18s140w.
.Trough developing over forecast area.
.48 hour forecast trough from 06s147w to 11s136w.
.Ridge from 25s177e to 19s170e.
.24 hour forecast ridge from 25s179w to 20s177e.
.48 hour forecast ridge from 25s166w to 20s176w.
.ridge from 25s169w to 23s160w.
.24 hour forecast ridge from 21s162w to 20s154w.
.48 hour forecast ridge dissipated.
.Ridge from 25s136w to 22s148w.
.24 hour forecast ridge from 25s123w to 20s140w.
.48 hour forecast ridge from 25s120w to 14s134w.
.otherwise winds 20 kt or less entire forecast area.
.48 hour forecast winds S to E 20 to 25 kt from 18s to 25s between
145w to 162w. Winds 20 kt or less remainder forecast area.
.Seas 6 to 10 ft over forecast waters E of a line from 00s163w to
13s175e to 25s167e. Seas 6 ft or less remainder forecast area.
.24 hour forecast 7 to 11 ft over forecast waters se of a line from
00s131w to 07s141w to 12s171w to 25s168e. Seas 7 ft or less
remainder forecast area.
.48 hour forecast seas 8 to 13 ft over forecast waters S of a line
from 11s120w to 11s130w to 24s136w to 14s159w to 14s177w to 23s170e
to 14s160e. Seas 8 ft or less remainder forecast area.
.Cz from 04s158w to 04s171w to 09s178e. Numerous moderate to strong
tstms within 180 nm cz.
