Cape Town weather warnings: Biblical rainfall, strong winds to wreak havoc

Batten down the hatches if you’re in Cape Town over the next 48 hours or so – the rainfall is coming down hard on Wednesday, and several weather warnings have been issued. Potential floods and severe winds have also been identified, with some disruption expected in the main docks and ports of the Mother City.

Cape Town weather warnings issued for Wednesday

Early projections from Ventusky show that upwards of 150mm of rain could fall in the mountainous regions of the Cape between now the final minutes of Wednesday. However, the SA Weather Service (Saws) hasn’t put out an estimated maximum value. Cape Town itself is on course for a major deluge, with 70mm forecast to fall over a 24-hour period.

Specific weather warnings for heavy rainfall are now active up until Thursday, in the following districts:

  • City of Cape Town
  • Stellenbosch
  • Overstrand / Hermanus
  • Drakenstein / Paarl
  • Theewaterskloof
  • Grabouw

Cape Town weather forecast for Wednesday 10 March

Ventusky’s models show just how much rainfall is coming for CPT on Wednesday, and it’s nothing short of biblical.

Those of you near Ceres might have to build an ark – Photo: Ventusky

Emergency teams prepped for ‘potential impacts’

The City of Cape Town has issued an alert in its emergency channels, predicting that gusts will surpass 60km/h in some regions. They confirmed that all relevant teams are on standby ‘to deal with the impact of this cold front’.

“All City services and external agencies are on standby to deal with any potential impacts from the predicted adverse weather conditions. The SA Weather Service has advised that a cold front will make landfall tonight, bringing rainfall. “

“But also, there will strong north-westerly winds along the coast, reaching speeds of between 45 and 60 km/h. Rough and choppy sea conditions are predicted too. Residents are urged to please exercise caution.”

Level 5 weather warnings include ‘mudslide alerts’

‘Damaging winds’ are likely to impact the entire south-west coast in the Cape, and Level 5 warnings are in place between Cape Agulhas and Saldhana Bay. Meanwhile, Saws is taking these weather warnings very seriously, and they have cautioned locals about the possibility of mudslides, rockfalls, and disruptive sea patterns.

“Flooding of roads and settlements in both formal and informal settlements are possible. The disruption of traffic flow is likely, along with increased motor vehicle accidents, especially in peak hour traffic on Wednesday. Essential services such as water and electricity may be affected. There is a chance for mudslides and rockfalls in susceptible areas.”

“Disruption of small harbours and/or port is possible for a short period of time. Due to strong winds and high wave heights, difficulty in navigation is likely. Small vessels and personal watercraft (like kayaks) are at risk of taking on water and capsizing in a locality. Disruption to beachfront activities can also be expected.”

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Presh JM Reporter

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