Saturday: East to southeasterly about 10 knots increasing to 10/15 knots in the late evening. Seas: Below 1 metre. Swell: Southeasterly around 1 metre, increasing to 1.5 metres offshore. Weather: Isolated thunderstorms. Sunday: Southeasterly 15/20 knots. Seas: 1/1.5 metres, increasing to 1/2 metres during the morning. Swell: Southeasterly around 1 metre, increasing to 1/1.5 metres offshore. Outlook Monday: Southeasterly 20/25 knots. Seas: 1.5/2 metres. Swell: Southeasterly 2/2.5 metres. Outlook Tuesday: Easterly 15/20 knots turning southeasterly during the morning. Seas: 1.5/2 metres, decreasing to 1.5 metres during the afternoon. Swell: Southeasterly 1/1.5 metres, increasing to 1.5/2.5 metres offshore.Issued Sat 15:50 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.