3 women hanging clothes saw a UFO come down over bay, hover for 30 sec.,then take off so fast it seemed to disappear.

On a clear early morn. my mother,aunt and next door neighbor were hanging clothes in their back yards, when my aunt looked and saw a lrg silver disc w dome on top & bottom hovering over bay 4 houses away, about 100' out. The other 2 women looked & started screaming for their kids to come out.  I was a child of 7 when I flew out the back steps and saw a huge spacecraft take off straight up and disappear.  My mother, aunt, and neighbor were shaking and running in all directions. The women were in their 30's and 40's, sane women, and the neighbor's husband was in politics in Redbank, NJ. They ran up to the local grocery store and heard other people had sighted UFO's that winter on the beach.  At that time Long Beach Island was scarcely populated during the winter months. In June, the season had not quite started. My mother & neighbor are now deceased, but my aunt is still alive, and lucid.  The UFO made no sound.