North to northeasterly 10/15 knots tending east to northeasterly 15/20 knots in the early afternoon then tending north to northeasterly in the late evening. Seas: 1/1.5 metres, decreasing below 1 metre during the morning, then increasing to 1/1.5 metres by early evening. Swell: Southwesterly 3/4 metres, decreasing to 2.5/3 metres around dawn. Outlook Sunday: Northwest to northeasterly 15/20 knots becoming variable about 10 knots in the morning then becoming south to southwesterly 15/20 knots in the middle of the day. Seas: 1/1.5 metres, decreasing below 1 metre during the morning, then increasing to 1/1.5 metres by early evening. Swell: Southwesterly 2/2.5 metres. Outlook Monday: South to southwesterly 10/15 knots tending south to southeasterly during the afternoon. Seas: Around 1 metre. Swell: Southwesterly 2/2.5 metres.Issued Sat 04:01 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.