Weather warnings
Jul
10
Weather Warning
Tropical Wave 14 to Pass Over Costa Rica This Friday
July 10, 2025
04.30 p.m.
Discussion: A change in the weather pattern toward more humid and unstable atmospheric conditions over Costa Rica and surrounding areas will increase the occurrence of rainfall in various parts...
Jul
08
Informative Weather Notice
Sahara dust over the country
July 08th, 2025
9:50 a.m.
Diagnosis: Increases in atmospheric pressure in the Caribbean Sea accelerate the trade winds over the basin, as well as over central and northern Spain. Furthermore, a dry, stable air mass...
Jul
07
Weather Warning
Heavy downpours during the afternoon in the Pacific and northern regions
July 07th, 2025
10.40 a.m.
Discussion: Tropical Wave 13 is located in western Costa Rica, close to entering the Pacific Ocean. Although it is a weak wave, its interaction with the Intertropical Convergence Zone increases...
Jul
06
Aviso Meteorológico
Efectos de la onda tropical #13 en el país este domingo y lunes
06 de julio de 2025
11.25 am
Diagnóstico: La onda tropical #13 se localiza este domingo al oeste de Panamá, generando inestabilidad en el mar Caribe frente a la costa costarricense, lo que favorece lluvias en el Caribe Sur...
Jul
01
Weather Warning
Rainy conditions in the Caribbean and Northern Zone this Tuesday and Tropical Wave #12
Jul 01th, 2025
10 am
Diagnosis The strengthening of the trade winds over the central and northern regions of the country has produced wind gusts of up to 50 km/h in areas such as Alajuela this morning. This...
Weather warnings history
In this section you will find the weather warnings history.
Sep
10
Aviso Meteorológico Actualización
Aguaceros y tormenta eléctrica
10 de septiembre 2020
03.15 p.m.
Diagnóstico: La Zona de Convergencia Intertropical se mantiene cercana al país, lo cual, sumado a factores locales, como las cálidas temperaturas matutinas, el ingreso de brisas marinas y...
Sep
10
Weather Warning
Downpours and thunderstorm this Thursday
September 10, 2020
10.55 am
Diagnosis: The Intertropical Convergence Zone remains close to the country, which, added to local factors, such as warm morning temperatures, the entry of sea breezes and disturbances in the...
Sep
09
Weather Warning
Tropical wave # 36 will cross Costa Rica tonight
September 09, 2020
5 p.m.
Diagnosis: Tropical wave # 36 is located at the beginning of the night near the border between Costa Rica / Panama; therefore, she will be crossing the country in the course of tonight. The...
Sep
09
Aviso Meteorológico
Onda tropical #36 llegará a Costa Rica al final de este día
9 de setiembre de 2020
10.30 a.m.
Diagnóstico: La onda tropical #36 se localiza esta mañana sobre Panamá y se acerca a Costa Rica, llegando al país entre el final de la tarde y primeras horas de la noche. La inestabilidad...
Sep
08
Weather Warning
Heavy downpours and thunderstorm will continue this afternoon
September 8, 2020
02:30 p.m.
Diagnosis: The proximity of the Intertropical Convergence Zone generates an important contribution of instability, which, together with local factors such as warm morning temperatures and the entry...
Sep
08
Weather Warning
Downpours and thunderstorm this afternoon
September 08, 2020
10.45 a.m.
Discussion: The Intertropical Convergence Zone remains close to the country, which, added to local factors such as warm morning temperatures and the entry of sea breezes, will favor cloudy...
Sep
07
Aviso Meteorológico
Fuerte actividad lluviosa nocturna en Zona Norte y el Pacífico Norte
7 de setiembre de 2020
6:05 pm
Diagnóstico: La Zona de Convergencia sobre el país y el paso de la Onda tropical #35 han propiciado lluvias intensas esta tarde en varios sectores del país, sin embargo, para la Zona Norte...
Sep
07
Weather Warning Update
Tropical wave # 35 continues its passage over Costa Rica this Monday
September 7, 2020
2:45 p.m.
Diagnosis: Since the morning, the contribution of humidity from the Pacific due to the Intertropical Convergence Zone which is located over Costa Rica, together with atmospheric instability caused...
Sep
07
Weather Warning
Tropical wave # 35 over Costa Rica this Monday
September 7, 2020
11:00 a.m.
Diagnosis: Tropical wave # 35 is located over the country, destabilizing the atmosphere, in addition the Intertropical Convergence Zone remains over Costa Rica, providing a constant flow of...
Sep
07
Aviso Meteorológico
Aguaceros y tormentas eléctricas en la Península de Nicoya esta madrugada
07 de setiembre de 2020
01:00 am
Diagnóstico: La Zona de convergencia Intertropical se encuentra sobre nuestro país, esto genera inestabilidad atmosférica y consecuentemente desarrollo de núcleos convectivos. Al frente del...
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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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