Saturday: Westerly 10/15 knots decreasing to about 10 knots in the late evening and becoming southerly. Seas: Around 1 metre. Swell: Southeasterly below 1 metre. Sunday: Variable about 10 knots becoming westerly 10/15 knots before dawn. Seas: Below 1 metre. Swell: Southeasterly around 1 metre. Outlook Monday: Northwesterly 15/20 knots. Seas: Around 1 metre, increasing to 1/1.5 metres about Banks Strait during the morning. Swell: South to southeasterly below 1 metre. Outlook Tuesday: West to northwesterly 10/15 knots decreasing to about 10 knots during the evening. Seas: Around 1 metre. Swell: Northwest to southwesterly below 0.5 metres.Issued Sat 16:29 EST
16:39 EST The mercury soared in the nation's southwest today with Perth recording its hottest September day on record, however heavy rain and cooler temperatures will arrive on Sunday.