[fishforpot]

http://www.buoyweather.com/wxnav6.jsp?r … 12&units=e

http://www.niwa.co.nz/our-services/onli … shburton-b

http://swellmap.com/charts.php?region=c … nkp#anchor

http://www2.phys.canterbury.ac.nz/~gep2 … erstation/

First link gives you a forecast for the wind …….
Second link gives you an idea of the swell , webcam at Ashburton river mouth
Last link gives you the actual wind etc

And keep in mind , the wind can often be onshore at Birdlings ……yet 5-6kms down the spit at Baileys it can be blowing offshore ….