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...

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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...

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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,...

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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...

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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...

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Aviso Meteorológico-IMN-220220-10.30am

Feb

22

Weather Warning

Strong windy pattern persist over the country

February 22, 2020
10.30 a.m.

Diagnosis: The influence of the cold surge #20 has been perceived in the country since yesterday Friday, and even today Saturday continues to generate strong winds in the Central Valley, the North Pacific and the Cordilleras. Since midnight the gusts have been strong with maximums of up to 104 km/h in La Cruz de Guanacaste, while in the lower parts of the North Pacific they range between 40-70 km/h and in the Central Valley between 30-75 km/h. As for the rains, these have been very scarce in the Caribbean and the North Zone as well as in the rest of the country.

Forecast: The trade winds pattern is estimated to continue between moderate and strong. For Saturday today, maximum speeds are estimated between 40-80 km/h in the Central Valley and the lower parts of the North Pacific, while in the mountains of these regions speeds are predicted between 70-100 km/h.

For the remainder of this Saturday and on Sunday, the rains will be extremely scarce, some of these being located on the summits of the Central Valley and the North Pacific. Rainfall is not expected in the rest of the country.

It is estimated that the cold push maintains its influence in the country until Sunday inclusive.

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: CR National Meteorological Institute and the Website: www.imn.ac.cr

Eladio Solano León
Meteorologist
DMSA-IMN


By Eladio Solano 2/22/20 2/22/20 2/22/20