This morning we woke to a dense shroud of fog around the Sea Lion. We were anchored off Puerto Adolfo Lopez Mateos, near Boca de Soledad, in the northern part of Bahia Magdalena. Our plan for the morning was to spend time in the Zodiacs searching for, and hopefully watching, gray whales. This area is well known as a site where gray whales concentrate for calving and breeding after their long migration from their feeding grounds to the north. We waited patiently until the fog had begun to lift, then boarded the Zodiacs for excursions out into the bay. Our patience was rewarded, with sightings of several pairs of mother and calf gray whales, moving in and out of the surf breaking at the shallow area at the mouth of the bay. The calves, only about a third the length of the females, frequently showed their heads above the surface (see photo above), sometimes resting on the back of their mother, other times spy-hopping (lifting the head vertically above the water). The fog descended again, and we returned to the Sea Lion, leaving the mothers and calves to play in the surf.