North to northwesterly 20/30 knots shifting south to southwesterly in the late afternoon. Seas: 2/3 metres, decreasing to 1/1.5 metres around midday, then increasing to 2/2.5 metres by early evening. Swell: Southwesterly 2/3 metres, increasing to 3/4 metres offshore during the morning. Weather: Heavy rain south of Geraldton developing in the morning, easing to scattered showers in the late afternoon. The chance of thunderstorms. Outlook Monday: Southerly 20/25 knots, reaching up to 30 knots offshore early in the morning. Seas: 1.5/2.5 metres, decreasing to 1.5 metres around midday. Swell: Southwesterly 3/4 metres. Weather: Isolated thunderstorms in the early morning. Outlook Tuesday: South to southeasterly 15/20 knots tending east to southeasterly during the morning then tending south to southeasterly during the day. Seas: 1/2 metres. Swell: Southwesterly 2/3 metres, increasing to 2.5/4 metres offshore.Issued Sun 04:00 WST
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.