Namibia — Sea Water Temperature and Annual Ranges
Up-to-date sea water temperatures for the coasts of Namibia. Learn about today’s conditions, monthly averages, and how the surrounding seas and oceans vary by season. 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
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
Namibia’s Atlantic coast is dominated by the cold Benguela Current, so seawater temperatures are generally cool year-round and vary with location and season. In the warmest months of the austral summer (roughly November to March) coastal waters typically range from about 18–21 °C (64–70 °F) along central stretches such as Walvis Bay and Swakopmund, while northern reaches toward the Angolan border may be a couple of degrees warmer. During autumn and winter (May to August) temperatures fall to roughly 12–16 °C (54–61 °F), with the coldest readings often found around southern points like Lüderitz and the Orange River mouth. Shoulder months (April, September–October) commonly see intermediate values in the mid-to-high teens °C (59–66 °F). The coast is also known for frequent fog, strong winds and cool air temperatures that can make the water feel even colder.
Swimming Conditions
Swimming is permitted at public beaches, but conditions and safety vary widely. The cold temperature of the water makes prolonged unprotected swimming uncomfortable and increases hypothermia risk, so many visitors use wetsuits or limit swims to calmer, sunnier periods. Strong currents, rip tides and limited lifeguard coverage at remote beaches present additional hazards; some popular spots and hotels provide safer, monitored areas, while others are better suited to shore activities, boating or kitesurfing. Marine wildlife such as seals and dolphins are common and generally not a direct danger, though occasional shark sightings occur. Overall, bathing is possible but requires caution, local knowledge and appropriate gear for comfort and safety.