Variable 5/10 knots, tending northeast to northwest in the afternoon, becoming northeasterly 10/15 knots in the evening and reaching 15/20 knots south of Cowell to Wallaroo late evening. Seas: Below 1 metre, increasing to 1/1.5 metres south of Cowell to Wallaroo late evening. Swell: Southwesterly 1/2 metres south of Cowell to Wallaroo. Outlook Monday: North to northeasterly 15/20 knots, reaching 20/25 knots south of Cowell to Wallaroo, turning north to northwest 20/25 knots during the morning and reaching 25/30 knots at times south of Cowell to Wallaroo, then easing to 15/20 knots late afternoon ahead of a southwest change 15/20 knots, reaching Whyalla around midnight. Seas: 1/1.5 metres, increasing to 1.5/2.5 metres during the morning, then decreasing to 1/1.5 metres late afternoon. Swell: Southwesterly 1.5/2.5 metres south of Cowell to Wallaroo. Outlook Tuesday: Southwesterly 15/20 knots becoming variable around 10 knots during the evening. Seas: 1/1.5 metres, decreasing below 1 metre during the morning. Swell: South to southwesterly 1/1.5 metres in the south.Issued Sun 05:23 CST
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.