 outside activities and stay inside during the hottest time of the day, typically between 11 a.m. and 4 p.m. Fourth of July weekend is one of the most dangerous times on Maryland's waterways, so Operation Dry Water will be in effect. That's to combat boating under the influence. The Department of Natural Resources says that there will be an increased police presence in the bay and ocean. And if you're going out on a boat, take all of the aforementioned precautions for the