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.
Informe Meteorológico N°10-IMN-161120-0210pm
Nov
16
Weather Report N ° 10
Hurricane Iota remains category 5 and moves towards Nicaragua
November 16, 2020
2.10 p.m.
Discussion: Hurricane Iota remains category 5, with sustained winds of 260 km/h, continues to advance westward with a speed of 15 km/h, getting closer and closer to Nicaragua, located 130 km east-southeast Puerto Cabezas Nicaragua. On the morning of this day there were rains in the North Pacific with accumulations of up to 54 mm in Santa Cruz.
Forecast: Hurricane Iota will move towards northeast Nicaragua, it is estimated that it will make landfall on Monday night. On this day the indirect influence on Costa Rica will continue.
During the afternoon, rainy activity of variable intensity is expected in the South and North Pacific; As the evening period passes, it will be extended to the rest of the Pacific, amounts between 30-60 mm are estimated, with higher accumulated in a specific manner. In the Central Valley, the North Zone and the Caribbean mountains, isolated rains and downpours are expected with amounts between 20-40 mm.
In the night period, heavy rains and downpours are anticipated in all regions of the Pacific, with accumulated between 40-80 mm, with higher amounts locally. In the Central Valley, occasional light rains and fog banks are possible, with amounts between 10-30 mm, likewise in the North Zone and mountains of the Caribbean, rains are expected, accumulated between 20-40 mm.
Occasional gusts of wind can be experienced in the North Zone and the Guanacaste, Tilarán and Central Valley mountain ranges, maximums are estimated between 40-80 km / h.
Warning: Special attention in regions of the South Pacific and the Nicoya Peninsula due to the high levels of soil saturation.
Due to the above, the IMN recommends:
- Caution in areas vulnerable to flooding due to sewerage saturation and increased flow in rivers and streams.
- Take shelter in a safe place in case of hearing an electrical storm or perceive strong gusts of wind near the storm clouds, as well as caution against possible falling tree branches, power lines, among others.
- Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB Page: www.imn.ac.cr
Next report: Monday, November 16, 2 p.m.
Rebeca Morera R
Meteorologist
DMSA / IMN
