High Seas Forecast
National Weather Service Honolulu HI
1100 UTC Tue may 21 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Superseded by next issuance in 6 hours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.
North Pacific Equator to 30n between 140w and 160e
Synopsis valid 0600 UTC may 21 2013.
24 hour forecast valid 0600 UTC may 22 2013.
48 hour forecast valid 0600 UTC may 23 2013.
.Synopsis and forecast.
.low 28n156w 1013 mb nearly stationary. Front from low to 29n153w to
24n151w to 19n155w nearly stationary. Se to S winds 20 to 25 kt over
forecast waters within 150 nm N and NE of front N of 24n. Isolated
moderate tstms within 180 nm N and NE of front N of 22n.
.24 hour forecast low dissipated. Weak front from 30n154w to 24n153w
to 20n155w. Weak trough from 30n160w to 22n162w. Se to S winds 20 to
25 kt within 150 nm E of front N of 25n.
.48 hour forecast front transitioned to trough from 30n155w to
25n154w to 21n157w. Another trough from 30n162w to 24n163w. Winds
diminished to 20 kt or less over forecast waters.
.Ridge from 30n175w to 24n170e to 22n160e nearly stationary.
.winds 20 kt or less over rest of forecast area.
.Seas 8 to 11 ft over forecast waters N of line from 25n149w to
27n156w to 22n160w to 27n171w to 17n174e to 18n165e. Seas 8 to 9 ft
S of 15n E of 157w.
.24 hour forecast seas 8 to 11 ft N of line from 25n150w to 29n157w
to 18n172w to 18n175e. Seas 8 to 9 ft from 07n to 13n E of 150w.
.48 hour forecast seas 8 to 10 ft N of 27n E of 167w.
.seas 8 ft or less over rest of forecast area.
.Isolated moderate tstms within 75 nm of line from 30n176e to
.ITCZ from 08n140w to 05n155w to 03n165w to 06n180e to 03n160e.
Isolated moderate to locally strong tstms within 180 nm N of ITCZ E
of 162w. Isolated moderate tstms within 330 nm N of ITCZ between
174w and 180e...and elsewhere within 120 nm N of ITCZ.
.Forecaster kinel. Honolulu HI.