A flash-flood watch was in effect for Puerto Rico and the U.S. Virgin Islands from late Sunday through Monday evening, NWS San Juan said on Twitter.
Tropical Storm Chris continues to spin just off the North Carolina coast and is now centered roughly 150 miles to the south of Cape Hatteras, North Carolina.
Any of these passing showers or storms will be capable of producing periods of heavy downpours, rumbles of thunder and lightning and gusty winds up to 30-40 miles per hour.
Canada's national forecaster says the Maritimes could be in the path of a tropical storm that formed off the USA coast Sunday morning.
After pushing across Dominica and moving into the Caribbean Sea the remnants of Beryl will encounter strong wind shear weakening the system even more but it still could produce some rainy weather with 30-40 miles per hour gusts for Puerto Rico and the Virgin Island late Monday and into Tuesday.
The hurricane center said Beryl's remnant had maximum sustained winds of 40 miles per hour (65 kph) late Sunday and was moving west-northwestward at 26 miles per hour (43 kph).
It is forecast to bring tropical storm conditions to Dominica and Guadeloupe tonight and strong gusty winds in the Virgin Islands and Puerto Rico tomorrow.
About 7,000 houses and businesses in Puerto Rico still lack power after Hurricane Maria leveled an electricity grid that was ill-maintained before the storm.
There are no coastal watches or warning in effect.
According to a National Hurricane Center update, swells caused by the storm are expected to increase around the coasts of North Carolina and the mid-Atlantic states through early next week.
The National Hurricane Center in Miami said Sunday that the storm has barely moved since Saturday.
The tropical storm, which was named Sunday morning, is expected to continue gaining strength as it hovers over the Gulf stream's warm waters in the Atlantic Ocean, AccuWeather.com reports.