Western Area High Seas Forecast


Updated 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 2300 UTC 2 August 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 3 issued 021853UTC:
Area [1]: bounded by 45S136E 41S137E 39S142E 38S148E 35S153E 37S157E 42S159E
45S146E 49S145E 45S136E.
Area [2]: bounded by 45S136E 41S137E 39S142E 38S148E 35S153E 37S157E 42S159E
45S146E 49S145E.

Melbourne Gale Warning 1 issued 021851UTC:
Area bounded by 50S124E 47S130E 44.5S145E 47S149E 50S149E 50S124E..

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 30S080E 38S092E to high 1038hPa near 37S104E to 30S129E. Forecast
30S081E 39S093E to high 1038hPa near 38S103E to 32S129E at 030600UTC and
27S080E to high 1038 hPa near 38S103E to 31S129E at 031800UTC.

Ridge [2] 37S104E 43S094E 50S093E. Forecast 38S103E 42S101E 50S104E at
030600UTC and 37S104E 42S104E 50S109E at 031800UTC.

Trough [1] 42S098E 45S108E 50S114E. Forecast 41S106E 42S113E 46S119E at
030600UTC and then weakening.

Trough [2] forecast near 30S071E 46S076E 50S076E at 030600UTC and near 30S077E
44S081E 50S084E at 031800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, 240nm of high:
Variable winds below 20 knots tending W quarter 10/20 knots along ridge [2].
Slight to moderate seas. Low to moderate swell.

Remainder north of ridge [1]:
E quarter winds 15/25 knots. Variable winds below 20 knots east of line 12S116E
16S125E. Moderate seas. Moderate swell decreasing to low swell east of 119E.

Remainder south of ridge [1] and east of ridge [2], outside warning areas:
SW quarter winds tending W quarter within 300nm east of trough. Wind speeds
15/25 knots, increasing to 25/33 knots within 180nm of warning area. Moderate
to rough seas. Moderate to heavy swell.

Remainder south of ridge [1] and west of ridge [2]:
NW quarter winds 15/25 knots tending N quarter 20/30 knots within 500nm east of
trough [2]. Moderate to rough seas. Moderate swell increasing to heavy west of
trough [2].

Scattered showers and isolated thunderstorms within 180nm of troughs. Isolated
showers and thunderstorms remainder south of ridge [1] east of ridge [2].
Visibility reducing below 2nm in precipitation.


The next routine forecast will be issued at 09:00 UTC Monday.