What wetsuit do you need in Tunisia?

The one suit that covers most of the swimming season, for 15 coastal cities in Tunisia.

City	Coldest	Warmest	One suit for the season
Tunis	15.3°C Feb	27.2°C Aug	nothing
Sfax	15.2°C Feb	29.2°C Aug	nothing
Sousse	15.6°C Feb	27.9°C Aug	nothing
Bizerte	15.4°C Mar	26.9°C Aug	nothing
Gabès	14.5°C Jan	29.8°C Aug	nothing
Hammamet	15.5°C Mar	27.7°C Aug	nothing
Monastir	15.6°C Mar	27.8°C Aug	nothing
Houmt Souk	15.6°C Feb	29.1°C Aug	nothing
Zarzis	15.8°C Feb	29.2°C Aug	nothing
Kélibia	15.3°C Mar	27.0°C Aug	nothing
Mahdia	15.6°C Mar	28.0°C Aug	nothing
Tabarka	15.6°C Mar	27.0°C Aug	nothing
Galaat el Andeless	15.3°C Mar	27.1°C Aug	nothing
Skhira	14.8°C Feb	29.7°C Aug	nothing
Enfidha	15.6°C Mar	27.8°C Aug	nothing

Thicknesses above are for swimming. Surfing the same water wants a step more — most of a session is spent sitting still in the wind rather than moving and immersed. Each city page gives both, along with when you need boots, gloves and a hood.

Sea temperature and swimming season in Tunisia →

Boots below 14°C, gloves below 12°C, a hood below 10°C. Where the numbers come from