The national emergency commission is warning of high seas starting this morning and lasting through Saturday.
The commission said that the high waves might cause flooding in the province of Puntarenas. It said there also was the possibility of erosion. It said that there has ben erosion at Playa Azul near the mouth of the Río Tárcoles, Playa Hermosa, Palo Seco, Isla Damas and Esterillos.
The Comisión Nacional de Prevención de Riesgos y Atención de Emergencias said that high tides are in the morning and afternoons this week.