Saturday: Westerly about 10 knots increasing to 10/15 knots in the evening. Seas: Around 1 metre. Swell: Southwesterly 4/5 metres. Sunday: West to northwesterly 15/25 knots easing to 10/20 knots during the afternoon before shifting south to southwesterly at 10/15 knots in the south later. Seas: 1/1.5 metres, increasing to 1.5/2 metres during the morning, then decreasing below 1 metre by early evening. Swell: Southwesterly 3/4 metres, decreasing to 2.5/3 metres around dawn. Weather: The chance of thunderstorms during the late afternoon and evening. Outlook Monday: West to northwesterly 10/15 knots tending north to northwesterly 15/25 knots before dawn then increasing to 20/30 knots in the early afternoon. Seas: Around 1 metre, increasing to 1/1.5 metres during the morning, then increasing to 1.5/2.5 metres around midday. Swell: Southwesterly 3/4 metres, decreasing to 3 metres around midday. Weather: The chance of thunderstorms at night. Outlook Tuesday: Northwesterly 20/25 knots shifting southwesterly from the west in the morning and easing to 10/15 knots then tending westerly during the evening. Seas: 1/2 metres, decreasing below 1 metre during the morning. Swell: Southwesterly 2.5/3 metres.Issued Sat 16:50 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.