A tropical storm moving up the East Coast has forced Boston to move its 4th of July Boston Pops Fireworks spectacular on the Esplanade to to July 3.

Storrow Drive will close at noon, according to Massachusetts State Police. The Mass. Ave. and Longfellow bridges will close at 6 p.m. Heavy crowds and an even heavier workday commute are expected. Officials at a Wednesday afternoon press conference urged people to take the MBTA.

Security near the Hatch Shell oval will open to the public at 5 p.m., and the Boston Pops concert is is slated to begin at 8 p.m.

State Police warned that wind and rain from tropical could be a challenge on Thursday and they may need to make further adjustments to the festivities.