Southerly 15/20 knots turning southeasterly in the morning. Seas: 1/1.5 metres, increasing to 1.5/2 metres offshore north of Cape Byron around midday. Swell: Southerly 2/2.5 metres. Caution: Deceptively powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing. Outlook Monday: Southeasterly 10/15 knots, reaching up to 20 knots north of Yamba in the morning. Seas: Around 1 metre, increasing to 1/1.5 metres north of Yamba. Swell: Southerly 1.5/2.5 metres. Caution: Deceptively powerful surf conditions in the early morning are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing. Outlook Tuesday: Southeasterly 10/15 knots decreasing to about 10 knots during the evening. Seas: Around 1 metre. Swell: South to southeasterly 1.5/2 metres, decreasing to 1/1.5 metres during the morning.Issued Sun 04:10 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.