Sylvan Beach Amusement park closes due to weather; will reopen tomorrow Photo courtesy of Sylvan Beach Amusement Park Sylvan Beach Amusement Park is planning to reopen Saturday after closing for the day Friday due to weather. Posted: Jul 2, 2021 4:44 PM Posted By: WKTV SYLVAN BEACH, N.Y. – Sylvan Beach Amusement Park is planning to reopen Saturday after closing for the day Friday due to weather. Scattered showers were widespread across the region throughout the morning and early afternoon Friday, with skies clearing in Oneida County around 4 p.m. The park’s summer schedule is Thursdays through Sundays, and Monday holidays, from noon to 9 p.m.