Information Regarding First Fridays and Defenders Day Weekend. Havre de GraceInformation Regarding First Fridays and Defenders Day Weekend. Havre de Grace First Fridays will go on as scheduled this evening. The City of Havre de Grace is closely monitoring the weather forecast and how it could potentially impact this weekend’s city events. Before the City makes a decision to cancel or change an event’s date, time, or location, several public safety factors, including the threat of inclement or severe weather, wind speed, and possible ground saturation are taken into account. If the City does decide to cancel or change the date, time, or location of an event scheduled for this weekend, the notification will be posted on this Facebook page and the city website by the following times. Saturdays Fireworks Celebration and Sundays Food Truck Celebration – Notice will be posted Saturday, May 4, by 1:00 p.m.