Superseded by next issuance in 6 hours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 1200 UTC Mar 24 2017. 24 hour forecast valid 1200 UTC Mar 25 2017. 48 hour forecast valid 1200 UTC Mar 26 2017.
...Gale Warning... .12 hour forecast front W of area. SW winds 25 to 35 kt N of 28n W of 167e. .24 hour forecast front from 30n167e to 28n160e. SW winds 20 to 30 kt within 420 nm E of front N of 29n. .48 hour forecast front from 30n177e to 27n170e to 26n160e. Winds diminished to 20 kt or less.
.Synopsis and forecast.
.front from 30n171w to 21n176e to 17n160e moving E 15 kt N of 21n...and nearly stationary elsewhere. S to SW winds 20 to 30 kt within 330 nm E of front 27n...and W to NW winds 20 to 30 kt within 750 nm W of front N of 28n. Isolated tstms within 210 nm E of front N of 28n. .24 hour forecast front from 30n161w to 23n177w to 20n170e. Winds diminished to 20 kt or less. .48 hour forecast front from 30n146w to 29n154w.
.front from 29n140w to 28n148w to 30n158w moving ESE 10 kt E of 148w...moving N slowly W of 154w...and nearly stationary elsewhere. .24 hour forecast weakening front from 27n140w to 27n145w. .48 hour forecast front dissipated.
.NE to E winds 20 to 25 kt from 05n to 14n E of 166w. .24 hour forecast NE to E winds 20 to 25 kt from 04n to 19n E of 158w...and from 02n to 16n between 158w and 168e. .48 hour forecast NE to E winds 20 to 25 kt from 04n to 20n E of 158w...from 05n to 18n between 158w and 180e...and from 06n to 12n between 180e and 169e.
.High 26n162e 1018 mb moving ENE 40 kt. Ridges from high to 30n164e...from high to 22n175e...and from high to 25n160e... moving ENE 40 kt. .24 hour forecast high 30n172w 1024 mb. .48 hour forecast high moved N of area.
.Ridge from 26n140w to 25n160w to 20n179e nearly stationary...And gradually eroding from the W.
.Otherwise...Winds 20 kt or less over remainder of forecast area.
.Seas 18 to 26 ft N of a line from 30n175e to 24n177e to 30n170e. Seas 8 to 18 ft elsewhere NW of a line from 30n170w to 16n174e to 14n160e. Seas 8 to 11 ft N of 28n between 142w and 154w. Seas 8 to 10 ft from 04n to 14n E of 167w. .24 hour forecast seas 12 to 20 ft N of a line from 30n162w to 16n175w to 30n174e. Seas 8 to 12 ft elsewhere N of 04n W of 161w. Seas 8 to 11 ft from 04n to 18n E of 161w. Seas 8 to 9 ft N of 18n E of 146w. .48 hour forecast seas 11 to 16 ft N of 22n between 155w and 171w. Seas 8 to 13 ft elsewhere N of 01n between 148w and 170e. Seas 8 to 10 ft from 03n to 22n E of 148w.
.Otherwise...Seas 8 ft or lower over remainder of forecast area.
.Scattered moderate to locally strong tstms S of 08n W of 178e.
.ITCZ from 06n140w to 04n160w to 02n180e. Scattered moderate tstms within 180 nm of ITCZ E of 169w...amd within 120 nm of ITCZ W of 177w.
.Forecaster Houston. Honolulu HI.