Weather warnings
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...
Jun
28
Weather Warning
Tropical Wave #10 over Costa Rica
June 28th, 2025
10:30 a.m.
Diagnosis: Tropical wave #10 is over the country this Saturday, causing instability in maritime areas of the Caribbean and northern parts of the Northern Zone. There has been increasing...
Jun
27
Weather Warning -Update-
Rainy Afternoon in Costa Rica
June 27th, 2025
05.40 p.m.
Forecast: After the passage of Tropical Wave 9 yesterday, Thursday, the atmosphere remains unstable over the country. Along with warm morning temperatures and high humidity from recent rains,...
Jun
27
Weather Warning
Tarde lluviosa en Costa Rica
June 27th, 2025
10:00 am
Diagnosis: After the passage of tropical wave #9 on Thursday, the atmosphere continues to be unstable over the country, which, together with the warm temperatures of this morning and the high...
Jun
26
Weather Warning | Update
Rainfall activity of varying intensity this afternoon in the Pacific and Northern Zone
June 26, 2025
5:00 p.m.
Diagnostic: The passage of Tropical Wave #9, in combination with the Intertropical Convergence Zone, maintains atmospheric instability over the country. This has generated rain showers and...
Weather warnings history
In this section you will find the weather warnings history.
Aviso Meteorológico-IMN-100120-1000am
Jan
10
Weather Warning
Intense winds will continue throughout the national territory
January 10, 2020
10.30 a.m.
Forecast: The conditions of strong trade winds with intense occasional gusts will prevail throughout this day, maximum speeds are estimated between 80-115 km / h in Central Valley and North Pacific, in the mountains there will be the most intense gusts. Strong winds will also be felt in the mountains of the Central and South Pacific. It is expected that around noon and midnight today will be when the strongest winds are present.
On the other hand, the presence of a large mass of dry air over the region, will be inhibiting cloudiness and rainfall throughout the country, with the exception of some mountainous sectors of the Central Mountain Range where there will be weak rains with amounts accumulated between 5- 15 mm throughout the day.
Weather conditions will continue extremely windy over the country at least until next Sunday.
Due to the above, the IMN recommends:
• Extreme precautions due to strong winds and their possible impact on roofs, electrical wiring, signs, trees; as well as in the mountainous parts of the country (national parks, volcanoes).
• Caution for boats by choppy sea and very strong waves in the North Pacific, Gulf of Nicoya, Central Pacific and the Caribbean Sea, as well as air navigation due to turbulence over the mountainous sectors.
• Avoid burning of all kinds as they can get out of control.
Stay informed through social networks, Twitter: @IMNCR, Facebook: National Meteorological Institute and the Website: www.imn.ac.cr
Daniel Poleo
Meteorologist
DMSA-IMN
