On Tuesday 4 May the South African Weather Service (SAWS) released a precautionary advisory, warning that an “intense cold front” is expected on Wednesday, bringing with it strong winds and extremely rough seas.
A Level 1 warning for damaging winds is expected over in the following areas Bergrivier, Bitou, Cape Agulhas, Cederberg, City of Cape Town, George, Hessequa, Knysna, Mossel Bay, Overstrand, Saldanha Bay, Swartland, Table Bay.
Residents have been warned to be cautious of large unpredictable waves along the coast. Small vessels are advised to seek shelter in harbours, bays or inlets.
A Level 3 warning for disruptive rain resulting in possible flooding and infrastructure damage is expected over the Overberg and Garden Route Districts including the following areas: Bitou, Cape Agulhas, George, Hessequa, Kannaland, Knysna, Mossel Bay, Oudthsoorn, Overstrand, Swellendam, Theewaterskloof.
Flooding of roads and settlements (formal and informal) can be expected.
Damage to property, infrastructure can also be expected.
Due to possibility of roads flooding, major disruption of traffic flow is likely. Disruption to essential services such as water and electricity supply as well as disruption to communications and school activities can be expected.
Mudslides, rockfalls and soil erosion can also be expected with possible disruption due to sinkholes, potholes and blocked drainage.