The approaching cold front will bring a winter-like chill to the region starting Friday, with daytime highs only reaching the 40s°F (4-9°C). The first freeze of the season is anticipated over the weekend, which could impact outdoor plants and unprotected water pipes. Mariners in Delaware Bay should exercise caution as hazardous conditions, including choppy waters and strong winds, are expected on Friday. Inexperienced mariners are advised to avoid navigating during this time.