Western Area High Seas Forecast


High Seas Forecast for Western Metarea 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 25 October 2016

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

Part 1 Warnings
Melbourne Gale Warning 1 issued 250607UTC:
Area bounded by 44S085E 40S102E 43S110E 50S095E 50S080E 44S085E.

Melbourne Gale Warning 3 issued 250603UTC:
Area bounded by 50S104E 47S108E 47S123E 50S131E 50S104E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 28S080E 29S102E 34S118E 31S129E. Forecast slow moving.

Trough from low [1] 1004 hPa near 14S103E to 21S117E. Forecast slow moving.

Cold front 42S074E to low [2] 1005 hPa near 43S085E. Forecast 39S080E to low
[2] 998 hPa near 42S093E at 251800UTC and 35S080E 39S099E 46S108E 50S106E at

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and east of trough:
Variable winds below 20 knots tending clockwise 20/30 knots within 180nm of low
[1]. Slight to moderate seas. Low to moderate swell.

Remainder north of ridge:
SE quarter winds tending clockwise within 180nm of low [1]. Wind speeds 15/25
knots, increasing to 20/30 knots within 180nm of low [1]. Moderate to rough
seas. Low to moderate swell.

Remainder south of ridge, outside warning areas:
W quarter winds tending SW quarter west of cold front and NW quarter east of
cold front by 260000UTC. Winds turning clockwise within 180nm of low [2]. Wind
speeds 15/25 knots increasing to 20/30 knots south of 40S and within 300nm east
of cold front. Wind speeds further grading to 25/33 knots within 120nm of
warning areas. Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of trough
and cold front. Scattered showers remainder south of 40S. Visibility reducing
below 2nm in precipitation.


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