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 10 October 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 100601UTC:
Area bounded by 43S080E 44S086E 50S093E 50S080E 43S080E.

Melbourne Gale Warning 3 issued 100608UTC:
Area bounded by 44S088E 43S089E 47S106E 50S110E 50S096E 44S088E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] from 30S081E to high 1030 hPa near 34S095E to 37S106E 37S120E.
Forecast from 30S081E 32S094E to high 1030 hPa near 36S101E to 37S116E 35S125E
at 101800UTC, and from 30S090E 31S096E to high 1028 hPa near 35S104E to 37S110E
37S122E 33S129E at 110600UTC.

Ridge [2] from high 1030 hPa near 34S095E to 50S115E. Forecast from high 1030
hPa near 36S101E to 44S118E 50S124E at 101800UTC, and from high 1028 hPa near
35S104E to 44S129E at 110600UTC.

Cold front [1] 40S113E 45S124E 50S132E. Forecast 40S129E 45S135E 50S144E at
101800UTC, and 33S130E 40S136E 46S147E 50S156E at 110600UTC.

Cold front [2] 43S085E 46S091E 50S096E, forecast near 45S093E 47S098E 50S104E
at 101800UTC, near 48S104E 50S108E at 110000UTC, and then weakening.

Cold front [3] forecast near 42S078E 45S080E 50S078E at 110001UTC, and near
43S084E 46S088E 50S086E at 110600UTC.

Trough forecast near 44S078E 48S079E 50S078E at 101200UTC, near 46S084E 49S086E
51S086E at 101800UTC, near 47S090E 48S091E 50S092E at 110000UTC, and then

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges, 240nm of highs and northeast of line 12S105E 24S114E:
Variable winds below 20 knots with slight to moderate seas. Moderate swell,
deceasing to low to moderate northeast of line 21S115E 12S104E.

Remainder north of ridge [1]:
SE quarter winds 10/20 knots increasing to 15/25 knots at times. Slight to
moderate seas. Moderate swell.

Remainder south of ridge [1] and east of ridge [2].
NW quarter east of cold front [1], turning SW quarter west of cold front [1].
Wind speeds 15/25 knots north of 44S and within 300nm of ridge [2], increasing
to 20/30 knots elsewhere. Moderate to rough seas. Moderate to heavy swell.

Remainder south of ridge [1] and west of ridge [2] outside warning areas:
NW quarter winds 15/25 knots, increasing to 20/30 knots south of line 49S129E
37S091E 35S080E and reaching 25/33 knots within 120nm of warning area. Moderate
to rough seas. Moderate to heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts and trough. Isolated showers remainder away from ridges, becoming more
scattered west of cold front [2]. Visibility reducing below 2nm in


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