Monday: Southerly 15/20 knots tending southeasterly 10/15 knots in the late evening. Seas: Around 1 metre, increasing to 1/1.5 metres by early evening. Swell: Southwesterly 2 metres. Tuesday: Southeasterly 10/15 knots turning southerly 15/20 knots in the middle of the day. Seas: 1/1.5 metres, decreasing to 1 metre during the morning, then increasing to 1/1.5 metres during the afternoon. Swell: Southwesterly 1/1.5 metres, increasing to 1/2 metres offshore. Outlook Wednesday: Southerly 10/15 knots turning westerly 15/20 knots early in the morning. Seas: Around 1 metre, increasing to 1/1.5 metres around midday. Swell: Southwesterly 1/2 metres, increasing to 2/3 metres during the morning. Outlook Thursday: West to southwesterly 15/20 knots turning southerly during the morning. Seas: 1/1.5 metres. Swell: Southwesterly 2/3 metres.Issued Mon 16:01 WST
20:25 EDT A dwindling number of volunteers is collecting some of the weather bureau's most important data from across South Australia.