Weather warnings
Feb
23
Weather Warning
The accelerated winds continues with strong gust this Sunday
February 23, 2025
11:00 am
Diagnosis: Cold surge #11 leaves behind high levels of atmospheric pressure that favor windy conditions towards the center and north of the country. The maximum recorded gusts are: between 65 -...
Feb
22
Weather Warning
The accelerated winds continues with strong gust this Saturday
February 22, 2025
09:00 a.m.
Diagnosis: Cold surge #11 located north of the Caribbean Sea basin has presented high levels of atmospheric pressure that favor windy conditions towards the center and north of the country. The...
Feb
21
Weather Warning
Strong to very strong wind gusts this Friday
February 21, 2025
9:00 a.m.
Diagnosis: The frontal system associated with cold pressure No. 11 is located north of the Caribbean Sea basin and extends towards the northwest of the Atlantic Ocean. Accompanied by this, high...
Feb
04
Weather Warning
Windy conditions persist this week
February 4, 2025
10:40 a.m.
Diagnosis: High levels of atmospheric pressure north of the Caribbean Sea basin favor windy conditions in the national territory. This Tuesday, maximum gusts between 60 km/h and 89 km/h were...
Feb
03
Aviso Meteorológico
Condiciones ventosas persisten este inicio de semana
3 de febrero de 2025
10.30 a.m.
Diagnosis: High levels of atmospheric pressure north of the Caribbean Sea basin favor windy conditions in the national territory. This Monday, maximum gusts between 60 km/h and 87 km/h were...
Weather warnings history
In this section you will find the weather warnings history.
Oct
02
Informe Meteorológico #2
Depresión tropical #25 fortaleciéndose en las próximas horas
02 de octubre de 2020
3.00 pm
Diagnóstico: La depresión tropical #25 se localiza a 250 km al sureste de Cozumel México, sigue moviéndose hacia el noroeste en dirección a Yucatán México a una velocidad de 15 km/h. Además, la...
Oct
02
Weather Report # 1
Tropical depression # 25 with indirect impact on the country as of this afternoon
October 02, 2020
9:30 a.m.
Diagnosis: Tropical wave # 42 has been organized this morning reaching the category of tropical depression # 25, which was formed northwest of the Caribbean Sea, 355 km southeast of Cozumel Mexico....
Oct
01
Weather Warning
Strong rain and electric activity on this day -Update-
October 01, 2020
03:40 p.m.
Diagnosis: The Intertropical Convergence Zone remains very active and together with the morning warming and the entry of sea breezes have generated in the first part of this afternoon strong rainy...
Oct
01
Weather Warning
Strong rainy and electric activity on this day
October 01, 2020
10.55 a.m.
Discussion: The Intertropical Convergence Zone remains very active, positioned over the country; which, added to local factors such as morning warming and the entry of sea breezes, will favor...
Oct
01
Informative Meteorological Warning
Disturbance in the Caribbean Sea and its potential in a tropical cyclone
October 01, 2020
10.20 a.m.
Discussion: A wide disturbance in the Caribbean Sea, near the northeast coast of Nicaragua, is producing a large area of disorganized rains and storms; it is located approximately 665 km from the...
Sep
30
Aviso Meteorológico
Condiciones lluviosas este miércoles (actualización)
30 de setiembre de 2020
5:30 pm
Diagnóstico: La influencia de la zona de Convergencia Intertropical causó condiciones lluviosas durante la tarde de este día en gran parte del territorio nacional. La zona de Guanacaste, así como...
Sep
30
Aviso Meteorológico
Condiciones lluviosas este miércoles
30 de setiembre de 2020
10:30 am
Diagnóstico: Este día el país presenta condiciones bastante inestables, principalmente por la cercanía de la Zona de Convergencia Intertropical. Además, la onda tropical #42 se ubica en el centro...
Sep
29
Weather Warning
Rains of variable intensity this morning for coastal areas of the Pacific slope
September 29, 2020
05:00 am
Diagnosis: The proximity of low pressure areas typical of the Intertropical Convergence Zone in both maritime regions bordering Costa Rica, are increasing atmospheric instability, causing rains...
Sep
28
Weather Warning Update
Rainy and electric activity this afternoon in the Central and South Pacific
September 28, 2020
3:10 p.m.
Diagnosis: The gradual increase in temperatures during the morning period, together with the entry of humidity and little cloudiness, have favored the development of cloudiness and the occurrence...
Sep
28
Weather Warning
Rainy and electric activity this afternoon in the Central and South Pacific
September 28, 2020
10:40 a.m.
Diagnosis: The gradual increase in temperatures during the morning period, together with the entry of humidity and little cloudiness, will favor the development of cloudiness and the occurrence of...
RSS IMN latest alerts(Local Notification): https://www.imn.ac.cr/en/web/imn/avisos-meteorologicos/-/asset_publisher/lTlyP4wEZlDa/rss 
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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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