Hurricane Matthew is now a Category 4 after making landfall near Les Anglais, Haiti on Tuesday morning, according to the National Hurricane Center.
Powerful winds and heavy rain hit across Haiti.
"We've already seen deaths. People who were out at sea. There are people who are missing. They are people who didn't respect the alerts. They've lost their lives," Interim Haitian President Jocelerme Privert said at a news conference.
D: Tropical Depression – wind speed less than 39 MPH
S: Tropical Storm – wind speed between 39 MPH and 73 MPH
H: Hurricane – wind speed between 74 MPH and 110 MPH
M: Major Hurricane – wind speed greater than 110 MPH