http://www.weathersa.co.za

• KZN: Dive Report Weather Forecast
• KZN south coast (Port Alfred to Tugela) winds and tides: [ view ]
• KZN: north coast to Maputoland - Tugela Mouth to Kosi Bay [ view ]

•     South coast including Durban (7 day forecast, updated daily): 082 231 1600
•     Durban (3 day forecast, updated 3x a day): 082 231 1603
•     Skiboat (south coast to Tugela, 2 day forecast, updated 3x a day): 082 231 1608
•     Daily surf and diving conditions: 082 231 1610

http://www.wxtide32.com/
(this is a small program that caluclates tides for a given station (e.g. Durban) from now until 2037)