Thursday: Northwesterly 15/20 knots, reaching up to 25 knots offshore until evening. Winds lighter in the south and becoming variable 5/15 knots from late afternoon. Seas: 1/2 metres. Swell: Southerly around 1 metre, increasing to 1/1.5 metres by early evening. Friday: Northwesterly 10/20 knots, lighter and more variable in the south at first, shifting southwest to southeasterly from late afternoon. Winds reaching up to 25 knots offshore in the afternoon. Seas: 1/2 metres. Swell: Southerly 1/1.5 metres, decreasing to around 1 metre around dawn. Outlook Saturday: Southerly 10/15 knots becoming variable about 10 knots during the morning then becoming northerly 15/20 knots during the afternoon. Seas: Around 1 metre, increasing to 1/1.5 metres during the afternoon or evening. Swell: Southerly around 1 metre.Issued Thu 10:03 EDT
13:58 EDT It's one of the biggest aerial surveys of its kind in the southern hemisphere.