Australian Government

Bureau of Meteorology


Coastal Waters Forecast 

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IDV10461

Australian Government Bureau of Meteorology
Victoria

Local Waters Forecast for Western Port

Issued at 10:00 am EST on Wednesday 20 May 2026
for the period until midnight EST Saturday 23 May 2026.

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.

Warning Information

For latest warnings go to www.bom.gov.au, subscribe to RSS feeds, call 1300 659 210* or listen for warnings on relevant TV and radio broadcasts.

Weather Situation

A high near the South Australian coast extends a ridge across northern Victoria while a weak cold front passes through Bass Strait during Wednesday morning. The ridge will extend across the remainder of Victoria late Wednesday then persist for Thursday and Friday. The high centre will move southeast on Saturday while the ridge continues to dominate.

Forecast for Wednesday 20 May until midnight

Winds: Southwesterly 10 to 15 knots, reaching up to 20 knots west of Sandy Point in the late morning and afternoon. Winds decreasing to about 10 knots in the late evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres around midday, then decreasing to 1 metre by early evening. Weather: Partly cloudy. 60% chance of showers.

Forecast for Thursday 21 May

Winds: Variable below 10 knots. Seas: Below 1 metre. Weather: Cloudy.

Forecast for Friday 22 May

Winds: East to northeasterly below 10 knots. Seas: Below 0.5 metres. Weather: Sunny.

Forecast for Saturday 23 May

Winds: North to northeasterly below 10 knots. Seas: Below 0.5 metres. Weather: Partly cloudy.

The next routine forecast will be issued at 4:15 pm EST Wednesday.

* Calls to 1300 number cost around 27.5c inc. GST, higher from mobiles or public phones. Marine forecasts are also available on VHF and HF radio. View the radio schedule on www.bom.gov.au/marine

Check the latest Coastal Waters Forecast or Local Waters Forecast at http://www.bom.gov.au/vic/forecasts/map.shtml for information on wind, wave and weather conditions for these coastal zones.