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.
Meteorological Warning-IMN-130321-Windy conditions in the center and north of the country this Saturday
Mar
13
Weather Warning
Windy conditions in the center and north of the country this Saturday
March 13, 2021
10:10 am
Diagnosis: During this morning there have been strong gusts in the center and north of the country with maximum values ??between 70-90 km / h in Guanacaste (the strongest in the north) and between 40-60 km / h in the Central Valley (the stronger to the west), this as a consequence of a strong atmospheric pressure gradient over the Caribbean Sea. In addition, some weak drizzles occurred east of the Central Valley and in the vicinity of the Guanacaste mountain range.
Forecast: For this afternoon, the windy conditions are expected to continue in the center and north of the country with maximum gusts estimated between 45-65 km / h for the Central Valley and the lower parts of Guanacaste and between 60-80 km / h for the north of Guanacaste and the mountain ranges. The windy pattern is expected to gradually subside overnight.
Regarding rainfall, isolated weak rains of short duration are possible in the vicinity of the mountains in the central and northern part of the national territory. In addition, scattered showers are anticipated in the South Pacific, most likely near the border with Panama and around the Osa Peninsula.Warning: Special attention in the North Pacific, the Central Valley and the mountain ranges of the country due to the strong gusts of wind.
Due to the above, the IMN recommends:- Prevention of wind gusts and their possible impact on roofs, electrical wiring, signs, trees; as well as in the mountainous parts of the country (national parks, volcanoes)
- Precaution for rough seas in the North Pacific, Gulf of Nicoya and the Caribbean and in the face of air navigation as a consequence of the presence of turbulence up to at least 8000 feet in height.
- Avoid burning of any kind, as dry and windy conditions can easily get out of control.
- Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB Page: www.imn.ac.cr
Roberto Vindas
Meteorologist
DMSA-IMN
