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 2300 UTC 9 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 3 issued 091811UTC:
Area bounded by 41S080E 45S096E 50S103E 50S080E 41S080E.

Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] from 30S081E to high [1] 1026 hPa near 33S090E to high [2] 1025 hPa
near 32S106E to 40S120E 40S129E. Forecast from 30S086E to high [1] 1029 hPa
near 34S094E to high [2] 1026 hPa near 31S103E to 38S117E 35S129E at 100600UTC
and from 30S087E to high [1] 1028 hPa near 35S100E to 38S115E 34S129E at

Ridge [2] from high [1] 1026 hPa 33S090E to 40S097E 50S103E. Forecast from high
[1] 1026 hPa near 34S094E to 40S105E 50S112E at 100600UTC and from high [1]
1028 hPa near 35S100E to 44S118E 50S123E at 101800UTC.

Cold front [1] 32S101E 38S108E 43S108E 50S122E. Forecast 36S122E 40S123E
45S121E 49S129E at 100600UTC and 35S125E 39S129E at 101800UTC.

Cold front [2] 41S076E 46S082E 50S086E. Forecast 41S080E 45S090E 50S096E at
100600UTC and 41S080E 47S099E 50S104E at 101800UTC.

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges, 240nm of high and northeast of line 12S110E 20S110E
Variable winds below 20 knots with slight to moderate seas. Moderate swell,
deceasing to low to moderate northeast of line 12S110E 20S110E 25S114E.

Remainder north of ridge [1]:
Variable winds below 20 knots, becoming SE quarter 10/20 knots northwest of
line 12S100E 30S116E 35S116E 24S090E, increasing to 15/25 knots north of 22S,
west from 100E. 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 40S 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 area:
NW quarter winds 15/25 knots, increasing to 20/30 knots south of line 35S080E
50S125E 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. Isolated showers remainder away from ridges, becoming more scattered
west of cold front [2]. Visibility reducing below 2nm in precipitation.


The next routine forecast will be issued at 08:00 UTC Saturday.