Commercial and research activities tied to the ocean — such as boating, tourism, ferries, fishing and wind farms — could create as many as 60,000 jobs on Long Island by 2051, according to a new report.

A large Fire Island inlet carved out by Superstorm Sandy has filled up naturally with sand, prompting concern among baymen, environmentalists and others about increased pollution and greater risk of future “brown tide” algae blooms in nearby Bellport Bay.