Storms on the Pacific coast Wednesday night and early Thursday caused damage.
Officials said the rains were a product of a large weather system in the Caribbean that generated problems in the cantons of Golfito, Buenos Aires, Aguirre and Puriscal.
There were blocked runoff channels, and trees were down, weather officials said.
The Instituto Metorológico Nacional said that there would be more rain late Thursday and overnight but that there would be a gradual clearing later today. The change is being generated
by a higher pressure in the Caribbean, the institute said.
The national emergency commission also noted Thursday that high seas again are predicted for the Pacific coasts.
An alert has been declared for the weekend. The commission said that the following beaches were most vulnerable:
Pavones, Isla Damas, Palo Seco, Playa Bejuco, Playa Hermosa near Jacó, Playa Azul, Corralillo de Tárcoles and Caldera.
Wave height should be similar to what took place a week ago when many homes in Caldera were flooded. Families had to be relocated. The commission also issued a warning for swimmers, surfers and small boat owners.