The weather in South Africa on Monday, 11 August 2025, is expected to be mostly fine, with calm and clear skies prevailing over much of the country. The South African Weather Service (SAWS) has issued a Yellow Level 2 warning for damaging waves along the western and southern coastline, potentially impacting maritime activities. Inland regions will experience mild winter conditions with daytime temperatures reaching the high teens to low twenties, while UV exposure levels vary from low along the coast to high in northern areas.
Weather warnings issued for Monday, 11 August 2025
Yellow Level 2 Warning – Damaging Waves
This alert is in place for coastal areas between Lambert’s Bay (Western Cape) and Port Edward (KwaZulu-Natal).
The warning indicates the potential for disruptions to small harbours and ports, challenges in navigation, and a possible storm surge.
At this level, hazardous sea conditions are likely, especially for small vessels and inexperienced operators. Mariners and coastal communities are urged to exercise caution.
Regional outlook
- Inland provinces: Predominantly fine conditions for cities including Pretoria (07°C / 21°C), Johannesburg (06°C / 18°C), and Bloemfontein (01°C / 19°C).
- Coastal regions: Mostly sunny for Cape Town (09°C / 18°C) and Gqeberha (10°C / 18°C), with light and variable winds.
- KwaZulu-Natal: Durban and Richards Bay will see partly cloudy conditions with isolated showers and rain, accompanied by light to moderate southerly to south-westerly winds.
- UV Index: High in northern areas such as Pretoria; moderate to low along much of the coast.
According to the SAWS Seasonal Climate Watch (August–December 2025), neutral El Niño–Southern Oscillation conditions will persist. Early and mid-spring are expected to bring above-normal rainfall to the eastern and south-eastern regions, while much of the country may see below-normal rainfall later in spring.
Minimum and maximum temperatures are projected to be above normal for most areas during the season.