Areas around Port Phillip Bay, Western Port and Gippsland Lakes should be prepared for very high tides, which could lead to inundation from seawater in low-lying areas.
Mount William, the tallest peak in the Grampians, recorded wind gusts of 102km/h overnight.
The latest episode of wild weather comes after a man drowned in rough seas off Rye pier on Saturday afternoon.
VICSES state duty officer Erin Mason said volunteers were ready to assist their communities, as the severe weather warnings would likely lead to an uptick in call-outs for help.
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She encouraged Victorians to ensure vehicles are parked safely, clean their gutters if it is safe to do so, avoid walking or driving in high-risk areas, and stay informed about the latest warnings through the bureau’s website and the VicEmergency app.
Hewes said above-average temperatures across inland Australia were causing the gusty conditions.
“We’ve got this really warm air over continental Australia, and then cold air that’s coming up from the Southern Ocean. When those two blobs of air interact, you get very strong winds,” she said.
Melbourne is expected to reach a top of 14 degrees on Monday, with 2 to 8 millimetres of rain on the way. Conditions will dry up by Tuesday, with a top of 17, before a mostly sunny Wednesday brings a peak of 20 degrees.