For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Southwestern Caribbean Sea: An area of low pressure located inland over northeastern Nicaragua is accompanied by a disorganized area of showers and thunderstorms. Additional development is unlikely today while the low remains inland. The system is forecast to move slowly northwestward and could emerge over the Gulf of Honduras where some development is possible by Friday. Some development is also possible over the southern Bay of Campeche by early next week. Regardless of development, locally heavy rainfall is possible over Nicaragua, Honduras, Belize, and southeastern Mexico through the weekend. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent.