|Swell height||Districts with warnings||3pm forecast wind|
Saturday: Southerly 10/15 knots, reaching up to 20 knots east of Esperance in the evening. Winds tending southeasterly in the evening. Seas: Below 1 metre, increasing to 1/1.5 metres east of Hopetoun. Swell: Southwesterly 2.5/3.5 metres. Sunday: Southeasterly 10/15 knots turning southerly below 10 knots during the afternoon and evening. Seas: Around 1 metre. Swell: Southwesterly 3 metres, increasing to 3/4 metres around dawn. Outlook Monday: South to southwesterly about 10 knots increasing to 15/20 knots early in the morning then decreasing to about 10 knots in the late evening. Seas: Below 1 metre, increasing to 1/1.5 metres for a period during the morning. Swell: Southwesterly 3/4 metres, decreasing to 2/3 metres during the afternoon. Outlook Tuesday: Southwesterly about 10 knots tending westerly 10/15 knots during the morning then becoming variable about 10 knots during the afternoon. Seas: Below 1 metre. Swell: Southwesterly 2/2.5 metres.Issued Sat 16:00 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.