A strong cold front developing over the Atlantic is expected to reach the southwestern coast of the Western Cape on Monday morning, with gale force winds, substantial rainfall, high rains and even snow on the mountains.
The South African Weather Service expects the cold front to reach the coast by 6am and spread east rapidly.
Heavy rain is expected in the Cape Town metropolis and mountainous parts of the Cape Winelands and Overberg District, which can cause flooding in places.
Disruptive snowfall on Monday could result in some of the mountain passes in the Cape Winelands being closed and could spread to the Little Karoo by Tuesday.
Stormy west to northwest winds of 65 km / h to 80 km / h can occur between Cape Columbine and Cape Agulhas in the morning and spread to Plettenberg Bay as well as over the Central Karoo in the late morning.
High swells of between 6m and 9m are expected between Cape Columbine and Plettenberg Bay on Monday morning and should decrease by the next morning.
Storm floods can occur between Cape Agulhas and Plettenberg Bay as well as False Bay and can last until Tuesday morning.
The weather service also warned about an extremely high fire danger on the Central Karoo on Monday.
Light snow is expected late Monday afternoon over high-lying areas in the west of the province, which spread east by evening and include the south of the Northern Cape.
Strong west to northwest winds of 50 km / h to 62 km / h can occur over the interior of the Western Cape and Northern Cape.
In the Eastern Cape, a strong wind gusts of at least 62 km / h along the coast between the Storms River and Port St. Johns expects, as well as snowfall over mountains higher than 1,500 m, which can last until Tuesday.
The Western Cape disaster management said in a statement on Sunday that it was already on the alert.
Anton Bredell, MEC for local government, environmental affairs and development planning, says the forecasts indicate that winter has arrived in the Western Cape.
“Although we welcome the wet weather, there are concerns that it could cause further challenges during this time of containment. We want to call on the public to take additional precautions and contact emergency services if there is an emergency. “
Bredell says the easiest emergency number to remember is 112, which can be dialed toll-free from any cellphone.
The weather service expects snow on the mountains at Worcester, Oudtshoorn and Ceres on Monday, as well as at Joubertina, Graaff-Reinet, Fort Beaufort, Cradock and Queenstown in the Eastern Cape.
Cold weather is expected on Tuesday, with temperatures dropping to -6 ° C in Sutherland and -3 ° C in Calvinia in the Northern Cape, as well as -1 ° C in Ceres, -3 ° C in Cradock and 0 ° C in Graaff-Reinet. Call the following emergency numbers by district:
• Cape Winelands 021 888 5837;
• Eden 044 805 5071;
• Central Karoo: 023 414 2603;
• West Coast 022 433 8700;
• Overberg 028 271 8111;
• Cape Town 107 from a landline or 021 480 7700 from a cellphone.