Match abandoned at 16:15 BST
Only 7.3 overs bowled
Two early wickets for Cottrell
Amla 6 - edges to Gayle at slip
Markram 5 - caught down leg side
West Indies won toss, Southampton
SA without a win in four games
Natalie Germanos
BBC Test Match Special
For South Africa it's a familiar situation with Faf du Plessis and Quinton de Kock having to do the recovery. They are in trouble so often.
Generally these two get them out of trouble. Will the weather benefit them? The stop-start nature will prevent either side getting any momentum.
A shorter game may also favour the West Indies.
Could be worse...
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Tymal Mills
England bowler on BBC Test Match Special
When Duckworth-Lewis comes into play it often favours teams batting second, so that is another reason why West Indies wanted to bowl. I live in Brighton and it rained solidly through my drive to Southampton this morning.
This delay (and likely to be multiple delays today) will benefit West Indies.
It'll be tough for the South Africa batsmen to get going again each time.
Plenty of brollies up in the crowd now. The hover cover is on the pitch and out comes the big white tarpaulin.
SA 29-2
It's spitting.
Not too heavy, but heavy enough for the umpires to call for the covers, perhaps very aware that more rain is close by.
Shame.
And now there's a lengthy delay in the match as something or someone is proving distracting behind the bowler's arm.
The rain is on its way people! Hurry up!
First bowling change for West Indies - Oshane Thomas is in for Kemar Roach...
Tymal Mills
Sussex bowler on Test Match Special
Definitely not what you need, Sheldon Cottrell has been very impressive. He's a bit ginger on his knee.
Cottrell 4-1-18-2
Proteas skipper Faf du Plessis is in and looks to get off the mark with a quick single but sends Quinton de Kock back.
De Kock dives but the throw in from Darren Bravo is abysmal, slinging over the middle of the pitch instead of anywhere near the stumps. De Kock was probably back in time anyway.
Sheldon Cottrell then starts holding his knee - West Indies really don't need another injury to a fast bowler, with Andre Russell out today.
He's fine to carry on though and completes a superb wicket maiden.
Markram c Hope b Cottrell 5 (SA 28-2)
Salutin' Sheldon has two!
And it's a strangle down the leg side, Aiden Markram clipping a ball off his ribs round the corner, where tumbling keeper Shai Hope completes the catch.
Markram stomps off, a sickening way to get out that.
Joy for West Indies, they sense another chance to run through a fragile top order.
Not the best decision from an international umpire this...
Good work from Kemar Roach, just three from the over.
Sir Curtly Ambrose
Former West Indies bowler on BBC Test Match Special
You didn't see fast bowlers diving in the field like that in my day! I am 6ft 8ins - it was a long way down.
De Kock 14, Markram 4
Cottrell strays wide and De Kock cuts away towards the boundary, only missing out on four thanks to a fine dive by Roach.
That is four though. More width from Cottrell and De Kock smacks it rapidly through point.
Zap! Sheldon Cottrell rushes Quinton de Kock with a fierce, well-directed bumper that the South Africa opener can only fend up off the gloves. The ball lands safe though.
Shot! Aiden Markram gets off the mark with a delicious drive through the covers for four.
Image source, Getty ImagesIndia batsman Yuvraj Singh has announced his retirement from international cricket with immediate effect - although he will look to play on in Twenty20 leagues around the world.
The 37-year-old said: "After almost 17 years of international cricket on and off, I have decided to move on.
"Cricket has given me everything and that's the reason why I am standing here today. It's been a love-hate relationship with the sport in retrospect."
Andy Zaltzman
Test Match Special statistician
Hashim Amla's poor run of form goes back a couple of years now. He is averaging just 30 in ODIs since the start of 2018, he had never been below 38 in any calendar year before that.
New man Aiden Markram defends his first delivery.