Swimming conditions at Praia de Nossa Senhora vary with seasons and weather. The Atlantic can produce strong currents and waves, particularly during winter months. There are typically no lifeguards on duty, so swimmers must assess conditions independently. The black volcanic sand can become very hot underfoot during midday. Local residents can provide valuable advice about current conditions. Calm days offer reasonable swimming opportunities for confident swimmers, but always exercise caution. Families with young children should supervise closely and check conditions before entering the water.

The optimal period is November through June during Cape Verde's dry season, with February to April offering ideal conditions. This beach is particularly famous for spectacular sunsets, so late afternoon visits are highly recommended. The black volcanic sand creates dramatic contrasts with the blue ocean, especially beautiful in softer morning or evening light. While Fogo attracts fewer tourists than Sal or Boa Vista, visiting during shoulder seasons (November or May-June) provides excellent weather with minimal crowds and comfortable temperatures.