Warm all year. Air during the day 32°C and at night 27°C. The is water 29°C and just shorts are needed. Bring sun protection, the sun is strong. Rainy season from February to May with occasional showers.
From Fortaleza west on CE085. In Barrento get on CE168 to Marinheiros and further to Praia da Baleia. Before Baleia you will see the lagoon to your right side. Get to the NE end of the lagoon.