How Cape Town's wind works

Cape Town sits on a narrow peninsula between two oceans, with Table Mountain acting as a 1,085-metre wind-break in the middle of the city. That geography produces the most unusual thing about the local weather: which beach is comfortable depends less on temperature than on wind direction.

The south-easter (Cape Doctor)

From October to March, the dominant wind is the south-easter. It funnels over Table Mountain, accelerates down the Atlantic Seaboard, and makes Camps Bay, Clifton and Llandudno uncomfortable for hours at a time. The same wind is blocked from False Bay by the peninsula's spine, which is why Muizenberg, Kalk Bay and Fish Hoek stay calm on those days.

The north-wester

In winter, cold fronts sweep in from the north-west and bring rain. A light north-wester without a front can leave the Atlantic Seaboard sheltered and False Bay a little rough, reversing the summer pattern. A full frontal north-wester is nobody's idea of a beach day.

Berg wind and other quirks

A berg wind is a hot, dry land wind that arrives a day or two before a cold front. It raises fire risk sharply and makes the city feel like midsummer in July. The "black south-easter" is the same south-easter but thick with cloud draping Table Mountain, overcast and damp at the coast despite the wind.

Using this tool

The live readout above pulls current conditions from OpenWeatherMap and a 12-hour forecast from MET Norway. The verdict cards update automatically: green means go, yellow means workable, red means skip. The peninsula map shows the same read at a glance, with each beach coloured by today's shelter rating.

If the live feed ever fails, the 8-point compass at the bottom of the tool lets you pick a direction manually and see the same recommendations.