Western Cape — Water Temperature Today and Throughout the Year
Discover water temperatures in Western Cape (South Africa), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Cape Town14°C
- Muizenberg15°C
- Cape Point16°C
- Sedgefield17°C
- Knysna18°C
- Mossel Bay17°C
- Cape of Good Hope16°C
- Hermanus16°C
- Nature's Valley18°C
- Bloubergstrand14°C
- Keurboomstrand18°C
- Zwelihle16°C
- Suiderstrand16°C
- Plettenberg Bay18°C
- Struis Bay16°C
- Rooi-Els16°C
- Brenton-on-Sea18°C
- De Kelders16°C
- Victoria Bay17°C
- Buffels Bay18°C
- Sunset Beach14°C
- Struisbaai16°C
- Gordons Bay15°C
- Witsand17°C
- Still Bay17°C
- Boggoms Bay17°C
- Melkbosstrand14°C
- Strand15°C
- Gouritz17°C
- Tergniet17°C
- Herolds Bay17°C
- Lambert's Bay14°C
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
The Western Cape province of South Africa is home to a diverse coastline that spans the cold Atlantic Ocean along the west and the warmer Indian Ocean along the south. This unique geographical position creates a noticeable contrast in sea temperatures between different parts of the province. Along the Atlantic coastline, including areas like Cape Town and the Cape Peninsula, sea temperatures are influenced by the cold Benguela Current and range from 12°C to 16°C (54°F to 61°F) during the summer months, with slightly cooler averages in winter. These waters, while brisk, are popular for surfing, kiteboarding, and exploring marine wildlife, such as seals and penguins.
In contrast, the southern coastline along the Indian Ocean, including destinations like Hermanus and Mossel Bay, enjoys warmer waters, especially in summer, with temperatures ranging from 18°C to 22°C (64°F to 72°F). This makes the southern beaches more suitable for swimming and family-friendly beach outings. Winter sea temperatures in this region are slightly cooler but remain comfortable for activities like whale watching, which is a major draw during the migration season.
The Western Cape’s coastline offers a rich variety of experiences, from the cold, dramatic Atlantic shores ideal for adventure seekers to the milder, scenic Indian Ocean beaches that attract swimmers and holidaymakers. This duality makes the province a year-round destination, catering to diverse preferences and offering unparalleled coastal beauty and marine biodiversity.