South Eastern Area High Seas Forecast

IDY10210
SECURITE

High Seas Forecast for South Eastern Metarea 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 22 December 2014

PLEASE BE AWARE
Wind gusts can be 40 percent stronger than the averages given here, and maximum
waves may be up to twice the height.

Part 1 Warnings
Nil.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 28S154E 37S160E to high 1024 hPa near 40S167E to 44S170E. Forecast
28S156E 37S160E to high 1026 hPa near 41S167E to 44S170E at 221800UTC and
28S155E 36S160E to high 1026 hPa near 42S170E at 230600UTC.

Ridge [2] 33S129E 40S136E 46S147E. Forecast 33S129E 40S136E 45S145E at
221800UTC and 34S129E 40S140E at 230600UTC.

Ridge [3] 45S146E 45S146E 46S158E 40S167E. Forecast 46S148E 47S160E 44S170E at
221800UTC and weakened by 230600UTC.

Trough [1] 28S167E 35S170E. Forecast 28S165E 33S166E 37S170E at 221800UTC and
28S164E 34S165E 38S170E at 230600UTC.

Trough [2] 37S142E 43S146E. Forecast 37S142E 46S147E at 221800UTC and 37S148E
42S149E 50S154E at 230600UTC.

Cold front 45S129E 50S140E. Forecast 40S129E 45S137E 50S141E at 221800UTC and
41S140E 46S147E 50S150E at 230600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges and 240nm of highs:
Variable winds below 20 knots. Slight to moderate seas. Low o moderate Swell.

Remainder east of ridge [1]:
SE quarter winds 15/25 knots with moderate to rough seas, tending E quarter
10/20 knots with slight to moderate seas east of trough [1]. Low swell.

Remainder north of ridge [2]:
S quarter winds 15/25 knots shifting N quarter 15/25 knots east of trough [2].
Moderate to rough seas. Moderate swell.

Remainder west of cold front:
SW quarter winds 20/30 knots. Moderate to rough seas. Moderate to heavy swell.

Remainder of forecast area:
NW quarter winds east of cold front and east of trough [2], tending NE quarter
in areas east of trough [2] and north of 40S. Winds tending W quarter in areas
between cold front and trough [2]. Winds speeds 15/25 knots, increasing to
20/30 knots in areas east of trough [2]. Moderate to rough seas. Low to
moderate swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front and troughs. Scattered showers away from ridges. Visibility
reduced below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 20:00 UTC Monday.