HS 005

High Seas Forecast National Weather Service Honolulu HI 2300 UTC Wed Nov 11 2009 superseded by next issuance in 6 hours

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

Synopsis valid 1800 UTC Nov 11 2009. 24 hour forecast valid 1800 UTC Nov 12 2009. 48 hour forecast valid 1800 UTC Nov 13 2009.

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.

.Warnings.

...Gale Warning... .Trough from 25n159w to 20n156w to 17n157w moving W slowly. NE winds 25 to 35 kt in forecast area N of a line from 26n150w to 20n163w. Isolated moderate to strong tstms within 240 nm of trough N of 21n. .24 hour forecast low 1010 mb near 22n162w. Trough from low to 25n162w...and from low to 16n161w. NE winds 25 to 35 kt N of a line from 25n140w to 26n147w to 25n159w to 21n166w. .48 hour forecast low 1010 mb near 21n170w. Winds 20 to 30 kt N of a line from 24n150w to 26n160w to 21n170w.

.Synopsis and forecast.

.weak low 23n166e 1012 mb nearly stationary. Front from 30n172e to low. Trough from low to 17n160e. Isolated moderate tstms within 180 nm E of low and front. .24 hour forecast low...Front and trough dissipated.

.Trough from 08n162e to 04n160e to 01n162e moving W 15 kt. Isolated moderate tstms with 120 nm of trough. .24 hour forecast trough W of forecast area.

.ridge from 30n177w to 22n170e nearly stationary.

.Otherwise...Winds 20 kt or less.

.Seas 12 to 15 ft E of 170w and N of a line from 24n170w to 22n160w to 30n140w. Seas 9 to 12 ft elsewhere E of 176w and N of a line from 22n176w to 20n163w to 27n140w. .24 hour forecast seas 15 to 27 ft N of a line from 20n166w to 26n147w. Seas 9 to 15 ft elsewhere N of a line from 15n180w to 18n160w to 23n140w. .48 hour forecast seas 15 to 20 ft N of a line from 19n170w to 22n153w. Seas 9 to 15 ft elsewhere N of 10n E of 175e.

.Otherwise...Seas 8 ft or less.

.ITCZ from 07n140w to 09n156w to 05n175w to 07n176e. Scattered moderate to strong tstms within 120 nm of ITCZ between 150w and 167w...and within 240 nm of ITCZ W of 180w. Isolated moderate tstms within 90 nm of ITCZ between 167w and 180w/

$$ .Forecaster Powell. Honolulu HI.