Wade pulled the hamstring three minutes and 17 seconds into Tuesday's preseason opener against the Detroit Pistons.
"It's sore," Wade told the Herald after Wednesday's practice. "It'll be the same the next couple days. It'll be sore and I'll continue to get treatment and therapy and we'll see how it feels in a week or so. But [I] can't rush it and they won't let me rush it right now anyway."
Heat coach Erik Spoelstra told the Herald on Thursday that Wade will be reevaluated in a week and is expected to miss at least two weeks.
Wade plans to travel to Kansas City, Mo., for Friday's exhibition against the Oklahoma City Thunder.
"I'm still a teacher," Wade told the Herald. "I still continue to teach these guys, and I can get my therapy while I'm there, as well. This time is still vital and very important to the growth of the Miami Heat."
Wade called the injury "a minor setback."
"I'll take it and move on from it like I've done every minor setback that I've had," Wade told the Herald.