Trying to find an activity when the weather is rainy? Take your time wandering around the interesting displays at Museo del Puerto. There's always an opportunity to learn something new.
You'll have no end of sightseeing choices when spending time in Bahia Blanca. Museo del Puerto is a great place to kick off here, but there are lots of other worthwhile places to visit. Rivadavia Square, Independencia Park, and Lola Mora Fountain are not far from the museum and will round out your day nicely.