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 27 November 2014

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 270535UTC:
Area bounded by 45S080E 45S092E 50S093E 50S080E 45S080E.

Melbourne Gale Warning 4 issued 270533UTC:
Area bounded by 45S091E 46S096E 50S100E 50S095E 45S091E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 30S080E 34S093E to high 1027 hPa near 45S113E to 41S129E. Forecast
30S080E 33S095E 46S117E to high 1026 hPa near 46S129E at 271800UTC and 30S080E
33S097E 46S117E 48S129E at 280600UTC.

Trough [1] 44S125E 50S138E then east of area by 271088UTC.

Cold front 40S080E 45S091E 50S095E. Forecast 40S087E 44S098E 50S104E at
271800UTC and weakening near 37S094E 50S110E at 280600UTC.

Trough [2] from low 1008 hPa near 29S112E to 42S122E. Forecast from inland low
1007 hPa near 33S118E to 43S116E at 271800UTC and from low 1002 hPa near
33S122E to 44S116E at 280600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridge, 240nm of high and north of 20S, east of 117E:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north of ridge:
NE quarter winds east of trough, turning SE quarter west of trough and
clockwise within 180nm of low. Wind speed 15/25 knots. Moderate to rough seas.
Low to moderate swell.

Remainder south of ridge, outside warning areas:
W quarter winds shifting N quarter within 360nm of trough and front. Wind
speeds 15/25 knots, increasing to 20/30 knots within 120nm of warning areas.
Moderate to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front, troughs and low. Isolated showers over the remainder, becoming more
scattered south of ridge. Visibility reducing below 2nm in precipitation.


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