Saturday: Southerly 15/20 knots. Seas: 1.5/2 metres. Swell: Southerly 1.5/2 metres. Sunday: South to southwesterly 15/20 knots tending south to southeasterly 10/15 knots in the late morning and early afternoon. Seas: 1/1.5 metres, decreasing to 1 metre around midday. Swell: Southerly 1.5/2 metres. Caution: Deceptively powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing, easing in the afternoon. Outlook Monday: Southerly 10/15 knots becoming variable about 10 knots before dawn then becoming northeasterly 15/20 knots in the middle of the day. Seas: Around 1 metre, increasing to 1/1.5 metres north of Moruya Heads around midday. Swell: Southerly 1.5/2 metres, decreasing to 1/1.5 metres during the morning, then decreasing to around 1 metre by early evening. Outlook Tuesday: North to northeasterly 15/25 knots. Seas: Around 1 metre, increasing to 1/2 metres during the afternoon. Swell: Southerly below 1 metre.Issued Sat 16:05 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.