HS 005

Superseded by next issuance in 6 hours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

North Pacific Equator to 30n between 140w and 160e

Synopsis valid 1800 UTC may 20 2013. 24 hour forecast valid 1800 UTC may 21 2013. 48 hour forecast valid 1800 UTC may 22 2013.

.Warnings.

.none.

.Synopsis and forecast.

.low 27n156w 1014 mb moving W slowly. Weakening front from 30n155w to 25n153w to 20n158w to 18n166w nearly stationary. Se winds 20 to 25 kt within 180 nm E of front N of 27n. Isolated moderate tstms within 180 nm E of front N of 24n. .24 hour forecast low dissipated. Front weakened into a trough from 30n158w to 18n162w. Se winds 20 to 25 kt N of 26n between 149w and 154w. .48 hour forecast trough from 30n160w to 20n164w. Winds diminished to 20 kt or less.

.Front from 30n177e to 28n167e to 29n160e moving NE slowly. Isolated moderate tstms within 90 nm of front. .24 hour forecast front moved N of forecast area.

.ridge from 30n172w to 25n170e to 21n160e nearly stationary.

.Winds 20 kt or less over remainder of forecast area.

.seas 8 to 12 ft NW of a line from 30n173w to 20n176e to 16n162e. Seas 8 to 10 ft N of 22n between 140w and 168w. Seas 8 to 9 ft S of 16n E of 160w. .24 hour forecast seas 8 to 11 ft N of a line from 30n148w to 20n167w to 15n170e. Seas 8 to 9 ft from 07s to 16s E of 152w. .48 hour forecast seas 8 to 10 ft N of a line from 16n140w to 26n155w to 18n162w to 18n174w. Seas 8 to 9 ft from 08n to 15n E of 155w.

.Seas 8 ft or less over remainder of forecast area.

.ITCZ from 08n140w to 06n155w to 07n174w to 05n170e to 04n160e. Isolated moderate to locally strong tstms within 120 nm of the ITCZ.

$$ .Forecaster Burke. Honolulu HI.