Variable about 10 knots becoming northeasterly 10/15 knots in the afternoon. Seas: Around 1 metre, increasing to 1/1.5 metres in the evening. Swell: South to southeasterly 1.5/2 metres. Outlook Monday: Northwest to northeasterly 10/15 knots, reaching 20 knots south of Cape Byron in the evening. Seas: Around 1 metre, increasing to 1/1.5 metres south of Cape Byron by evening. Swell: Southerly 1/1.5 metres. Outlook Tuesday: Northerly 15/20 knots. Seas: 1/2 metres. Swell: Southerly below 1 metre. Weather: Isolated thunderstorms offshore south of Yamba in the afternoon and evening.Issued Sun 04:10 EST
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.