hot and humid at midnight on La Marsa beach

Midnight and it's still hot and humid in La Marsa even on the beach,where many Tunisians were enjoying a midnight swim.Many of the people were with their families and were content just sitting on the beach.
I sat down on the sandy beach hoping for a little bit of sea breeze but instead just the still hot air surrounded me.Actually it was cooler earlier on in the evening at Cafe Saf Saf where I had been watching Tunisian musicians play traditional music,the only problem after 10 or 15 minutes the music becomes a bit repetitive.