Australian Government

Bureau of Meteorology


High Seas Forecast 

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IDY10220
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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
For 24 hours commencing 1100 UTC 3 August 2020

Please be aware
Wind and wave forecasts are averages. Wind gusts can be 40 per cent stronger
than the forecast, and stronger still in squalls and thunderstorms. Maximum
waves can be twice the forecast height.

Part 1 Warnings
Refer to latest warnings for details of the area affected.

Melbourne Gale Warning 2.
Melbourne Gale Warning 3.
Melbourne Gale Warning 6.
Melbourne Gale Warning 9.

Part 2 Situation at 0600 UTC
Low [1] 1005hPa near 32S115E. Forecast 1008hPa near 31S123E at 041200UTC.

Cold front [1] 31S084E 39S097E 50S104E. Forecast 42S101E 50S119E at 141200UTC.

Cold front [2] 27S067E 34S074E 40S078E to low [2] 1004 hPa near 37S073E.
Forecast 23S083E 30S086E 36S084E to low [2] 996hPa near 35S081E at 141200UTC.

Warm front 42S091E 42S083E 40S078E to low [2]. Forecast 44S093E 40S084E 34S081E
to low [2] at 141200UTC.

Part 3 Forecast
Refer to latest warnings.

East of line 42S129E 45S125E 50S126E, outside warning area:
Southwesterly quarter winds 20/30 knots until 031200UTC. Rough seas. Heavy
swell.

East of line 25S125E 27S108E 35S106E 43S115E 37S129E, outside warning area:
Clockwise winds 20/33 knots around low [1]. Rough seas. Moderate to heavy swell.

South of line 45S080E 41S099E 50S121E, outside warning areas:
Northwesterly quarter winds east cold front [1], remaining northwesterly
quarter west of front and tending westerly quarter west of trough. Winds speed
25/33 knots. Rough seas. Heavy swell.

West of line 30S090E 43S089E 45S080E, outside warning area:
Southeasterly quarter winds west of warm front , tending northerly quarter
north of warm front and east of cold front [2]. Winds turning clockwise within
180nm of low [2]. Rough seas. Heavy swell.

Remainder:
Winds not exceeding 25 knots. Moderate to rough seas. Moderate swell,
increasing to heavy southwest of line 26S090E 50S116E as well as southeast of
line 50S118E 38S129E.

Rain areas, scattered showers and isolated thunderstorms within 240nm of cold
fronts, trough, and 300nm of lows. Rain areas within 240nm of warm front.
Isolated showers elsewhere. Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 21:00 UTC Monday.