Addendum: There will also be fireworks Friday evening, June 12, off Liberty Island; these are sponsored by Boston Consulting Group.
There will be a fireworks display tomorrow night (Thursday, June 11) at 10:40 p.m., off Ellis Island. This will be visible from the Brooklyn Heights Promenade, Brooklyn Bridge Park, and other local vantage points. Pet owners take note. Again, no reason for the display is given. The fireworks are sponsored by Brooklyn Law School.
Thanks to readers CookieGuggleman and Dean Beals for information as to sponsorship.