Weather warnings
Jun
01
Weather Warning (Update)
Tropical Wave #4
Jun 01, 2025
5:50 p.m.
Forecast: Tropical Wave 4 is over Costa Rica this Sunday. In addition to the transit of this disturbance, we remain within the Intertropical Convergence Zone over our latitude, providing high...
Jun
01
Weather Warning (Update)
Tropical Wave #4
Jun 01, 2025
11.10 am
Diagnosis: is located over Costa Rica this Sunday. In addition to the transit of this disturbance, we remain within the Intertropical Convergence Zone over our latitude,...
May
31
Aviso Meteorológico (Actualización)
Lluvias variables en el país este sábado y onda tropical #4 mañana domingo
31 de mayo de 2025
5 pm
Diagnóstico: Este fin de semana la Zona de Convergencia Intertropical se muestra activa nuevamente frente al Pacífico costarricense; lo cual ha ocasionado aguaceros en el Pacífico Sur y eventos...
May
31
Weather Warning
Variable rains in the country this Saturday and tropical wave #4 tomorrow Sunday
May 24, 2025
11.40 am
Forecast: This weekend, the Intertropical Convergence Zone (ITC) is active again off the Costa Rican Pacific, causing downpours in the South Pacific and intermittent rain events in the Central...
May
30
Weather Warning
Variable morning rains this Friday in the Caribbean regions
May 30, 2025
7:30 a.m.
Diagnosis: High humidity levels in southern Central America, combined with instability in the upper troposphere in the region, have favored variable rainfall in the Caribbean and parts of the...
Weather warnings history
In this section you will find the weather warnings history.
RSS IMN latest alerts(Local Notification): https://www.imn.ac.cr/en/web/imn/avisos-meteorologicos/-/asset_publisher/lTlyP4wEZlDa/rss 
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Impact-based forecasting
Provides information on the potential impacts to occur, in case of severe hydrometeorological events
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Ephemerides
In this section you will find all the necessary information about sunrises and sunsets of the Sun and Moon, as well as all the information about the corresponding lunar phases.
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