Forecasters said Florence is expected to continue moving farther inland across the Carolinas through the weekend before turning toward the central Appalachian Mountains early next week.
At 5 p.m. Friday, Isaac was blowing at 40 mph southwest of Puerto Rico and approximately 900 miles from South Florida, according to the hurricane center.
Barbados is expected to start feeling the impact of tropical storm Isaac between late tonight and early morning.
The Met Office assured that Tropical Storm Isaac poses no direct threat to Trinidad and Tobago as it continues to move away from the Lesser Antilles.
Speaking of Florence, by the 5PM update Thursday, Hurricane Florence remains a Category 2 with winds sustained at 105 miles per hour. "Near the coast, the surge will be accompanied by large and destructive waves", the NHC added. "Life-threatening storm surge and rainfall expected".
With Hurricane Florence, numerous coastline will see water levels from the storm surge rise over 3 feet, with some families seeing over 9 feet of water near their homes. There have been 15 identified storms in the Pacific since the hurricane season began.
Florence leaves at least four dead, downgraded to tropical storm
It was expected to begin pushing its way westward across SC later in the day, in a watery siege that could go on all weekend. Officials in New Bern said over 100 people were rescued from floods and the downtown was under water by Friday afternoon.
Areas from Edisto Beach, South Carolina, through to Ocrakoke Inlet, North Carolina, and the Pamlico Sound were under a tropical storm warning.
National Hurricane Center Director Ken Graham warns that a slight shift in Florence's forecast track does not mean that some communities north of the storm are now in the clear.
"The rain's going to be around for a long time", he said.
Hurricane Florence, now a Category 2 storm, is slowly approaching the USA coast, and the storm's massive fury is on full display in video footage taken from the International Space Station. "It is important to note that the area affected by a tropical cyclone can extend well beyond the confines of the cone enclosing the most likely track area of the center".
"Florence is forecast to be an extremely risky major hurricane as it approaches the USA coast", the NHC said.
Florence is projected to weaken to a Tropical Storm by early Saturday before weakening to a Tropical Depression by Sunday near northern GA.