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 29 March 2015

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 290633UTC:
Area bounded by 46S129E 47S147E 50S155E 50S121E 48S124E 46S129E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 32S080E to high 1026 hPa near 32S086E to 32S108E 35S118E 33S129E.
Near stationary.

Ridge [2] 42S080E 43S090E 46S109E, forecast 40S080E 40S095E 44S104E at
291800UTC and 40S080E 37S101E at 300600UTC.

Cold front/trough 40S080E 41S092E 45S109E, forecast 38S080E 37S087E 38S097E to
low 999 hPa near 44S110E at 291800UTC and 34S090E 35S102E 39S111E to low 992
hPa near 47S120E to 50S119E at 300600UTC.

Trough near 12S114E 18S118E. Slow Moving. Forecast near 12S110E 20S114E at

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge [1], 120nm of ridge [2] and 240nm of high:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell
near ridge [1] increasing to moderate to heavy swell near ridge [2].

Remainder north of ridge [1]:
SE quarter winds tending E quarter west of trough and NE quarter east of
trough. Wind Speeds 10/20 knots, increasing 15/25 knots south of 19S and
reaching 30 knots at times. Slight to moderate seas. Low to moderate swell
decreasing to low swell east of trough.

Remainder south of ridge [1], outside warning area:
W quarter winds tending SW quarter between cold front/trough and ridge [2].
Wind speeds 15/25 knots increasing to 20/33 knots south of 38S. Moderate to
rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
front/trough, within 300nm of low and also north of 25S. Isolated showers
remainder away from ridges. Visibility reducing below 2nm in precipitation.


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