The tropical depression is the 18th of Atlantic hurricane season . It is forecast to become Tropical Storm Rina Monday or late Sunday . The depression -- the 18th of the 2011 Atlantic hurricane season -- was located off the Nicaragua/Honduras border late Sunday afternoon , forecasters said . A tropical storm watch is issued for portions of the Nicaraguan coast .
The tropical depression is the 18th of Atlantic hurricane season . It is forecast to become Tropical Storm Rina Monday or late Sunday . A tropical storm watch is issued for portions of the Nicaraguan coast .