Saturday: Southerly 15/20 knots. Seas: 1/1.5 metres. Swell: Southwesterly about 3 metres. Sunday: Southerly 10/15 knots. Seas: Below 1 metre. Swell: Southwesterly 2.5/3 metres, increasing to 3/4 metres offshore during the morning. Outlook Monday: South to southeasterly 15/25 knots. Seas: 1/1.5 metres, increasing to 1.5/2.5 metres north of Geraldton during the morning. Swell: Southwesterly 2/3 metres. Outlook Tuesday: Southeasterly 15/20 knots turning southerly 20/25 knots during the morning. Seas: 1.5/2.5 metres. Swell: Southwesterly 1.5/2.5 metres, decreasing to 1.5 metres late afternoon.Issued Sat 16:01 WST
12:38 EST Tropical Cyclone Jack has rapidly developed over the warm waters of the Indian Ocean in the past 24 hours, making it the 10th system to be named this season.