Daily forecast
as
Last update: 22:37 local time / This forecast is based on the GFS model
Monday, Oct 06
Wind
Weather
03h
1 kts
max 2 kts
18° C
890 hpa
06h
2 kts
max 3 kts
18° C
891 hpa
09h
1 kts
max 2 kts
23° C
892 hpa
12h
2 kts
max 3 kts
3.06 mm
23° C
891 hpa
15h
1 kts
max 3 kts
7.09 mm
21° C
889 hpa
18h
1 kts
max 3 kts
5.73 mm
19° C
890 hpa
21h
1 kts
max 1 kts
1.65 mm
19° C
892 hpa
Tuesday, Oct 07
Wind
Weather
00h
1 kts
max 2 kts
19° C
891 hpa
03h
2 kts
max 2 kts
18° C
889 hpa
06h
2 kts
max 3 kts
19° C
890 hpa
09h
1 kts
max 3 kts
22° C
892 hpa
12h
1 kts
max 3 kts
2.3 mm
24° C
890 hpa
15h
1 kts
max 3 kts
5.91 mm
22° C
889 hpa
18h
1 kts
max 3 kts
6.62 mm
19° C
890 hpa
21h
2 kts
max 3 kts
0.98 mm
19° C
892 hpa
Wednesday, Oct 08
Wind
Weather
00h
2 kts
max 2 kts
18° C
891 hpa
03h
3 kts
max 3 kts
18° C
889 hpa
06h
2 kts
max 4 kts
17° C
891 hpa
09h
2 kts
max 4 kts
24° C
892 hpa
12h
2 kts
max 4 kts
0.47 mm
25° C
890 hpa
15h
1 kts
max 4 kts
4.04 mm
22° C
889 hpa
18h
1 kts
max 2 kts
3.78 mm
19° C
890 hpa
21h
1 kts
max 1 kts
18° C
892 hpa
Thursday, Oct 09
Wind
Weather
00h
1 kts
max 2 kts
0.6 mm
18° C
891 hpa
03h
1 kts
max 2 kts
18° C
890 hpa
06h
2 kts
max 3 kts
18° C
891 hpa
09h
2 kts
max 4 kts
23° C
893 hpa
12h
1 kts
max 3 kts
3.74 mm
23° C
891 hpa
15h
0 kts
max 4 kts
8.16 mm
20° C
889 hpa
18h
1 kts
max 3 kts
8.48 mm
18° C
891 hpa
21h
1 kts
max 2 kts
8.98 mm
18° C
893 hpa
Friday, Oct 10
Wind
Weather
00h
1 kts
max 2 kts
2.02 mm
18° C
892 hpa
03h
2 kts
max 2 kts
18° C
891 hpa
06h
2 kts
max 3 kts
18° C
892 hpa
09h
2 kts
max 4 kts
24° C
893 hpa
12h
2 kts
max 5 kts
1.65 mm
22° C
891 hpa
15h
1 kts
max 4 kts
5.48 mm
21° C
889 hpa
18h
0 kts
max 2 kts
5.38 mm
19° C
891 hpa
21h
2 kts
max 4 kts
8.77 mm
18° C
892 hpa
Saturday, Oct 11
Wind
Weather
00h
1 kts
max 3 kts
3.75 mm
18° C
891 hpa
03h
1 kts
max 2 kts
17° C
890 hpa
06h
1 kts
max 2 kts
17° C
891 hpa
09h
2 kts
max 2 kts
0.81 mm
22° C
892 hpa
12h
2 kts
max 3 kts
4.17 mm
22° C
891 hpa
15h
3 kts
max 4 kts
4.65 mm
19° C
889 hpa
18h
1 kts
max 2 kts
2.78 mm
18° C
890 hpa
21h
1 kts
max 3 kts
5.78 mm
18° C
891 hpa
Sunday, Oct 12
Wind
Weather
00h
1 kts
max 2 kts
4.86 mm
18° C
890 hpa
03h
1 kts
max 2 kts
0.72 mm
17° C
889 hpa
06h
1 kts
max 2 kts
17° C
890 hpa
09h
1 kts
max 1 kts
22° C
891 hpa
12h
2 kts
max 4 kts
2.94 mm
20° C
889 hpa
15h
1 kts
max 5 kts
7.33 mm
19° C
888 hpa
18h
1 kts
max 4 kts
24.49 mm
18° C
889 hpa
21h
2 kts
max 5 kts
10.49 mm
18° C
890 hpa
Monday, Oct 13
Wind
Weather
00h
2 kts
max 5 kts
4.91 mm
17° C
890 hpa
03h
2 kts
max 4 kts
1.95 mm
17° C
889 hpa
06h
2 kts
max 3 kts
0.93 mm
17° C
890 hpa
09h
1 kts
max 3 kts
0.44 mm
19° C
892 hpa
12h
2 kts
max 4 kts
1.04 mm
21° C
890 hpa
15h
3 kts
max 5 kts
2.39 mm
19° C
889 hpa
18h
2 kts
max 3 kts
1.34 mm
18° C
889 hpa
21h
2 kts
max 3 kts
0.69 mm
18° C
891 hpa
Tuesday, Oct 14
Wind
Weather
00h
1 kts
max 3 kts
0.44 mm
18° C
890 hpa
03h
2 kts
max 3 kts
18° C
890 hpa
06h
2 kts
max 3 kts
18° C
890 hpa
09h
1 kts
max 3 kts
19° C
892 hpa
12h
1 kts
max 3 kts
1.09 mm
20° C
891 hpa
15h
3 kts
max 5 kts
1.8 mm
19° C
889 hpa
18h
2 kts
max 5 kts
2.74 mm
18° C
890 hpa
21h
2 kts
max 4 kts
5.08 mm
18° C
892 hpa
Wednesday, Oct 15
Wind
Weather
00h
2 kts
max 4 kts
1.42 mm
18° C
891 hpa
03h
1 kts
max 5 kts
0.42 mm
17° C
890 hpa
06h
1 kts
max 4 kts
18° C
891 hpa
09h
1 kts
max 2 kts
0.46 mm
22° C
892 hpa
12h
3 kts
max 4 kts
2.73 mm
22° C
890 hpa
15h
1 kts
max 2 kts
2.8 mm
19° C
888 hpa
18h
1 kts
max 1 kts
18° C
889 hpa
21h
0 kts
max 1 kts
18° C
891 hpa
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Additional information
General
This is the wind, wave and weather forecast for San Juan in Alajuela Province, Costa Rica. Windfinder specializes in wind, waves, tides and weather reports & forecasts for wind related sports like kitesurfing, windsurfing, surfing, sailing, fishing or paragliding.
Forecast
This forecast is based on the GFS model. Forecasts are available worldwide. The horizontal resolution is about 13 km. Forecasts are computed 4 times a day, at about 11:00 PM, 5:00 AM, 11:00 AM and 5:00 PM Central Standard Time. Predictions are available in time steps of 3 hours for up to 10 days into the future. The arrows point in the direction in which the wind is blowing.Check the wind forecast for San Juan when you search for the best travel destinations for your kiteboarding, windsurfing or sailing vacations in Costa Rica. Or use our wind forecast to find the wind speed today in San Juan or to have a look at the wind direction tomorrow at San Juan.
Severe Weather Warnings
When a severe weather warning or advisory is provided by the local meteorological institute, we display it as a banner above the wind forecast.The weather warning, for example a high wind warning, can help you prepare for dangerous weather conditions and avoid weather-related risks. The color scale indicates the intensity of the predicted weather event. For more details click or tap on the warning. General information about severe weather warnings can be found in our help section.
Please be aware that severe weather may occur without a prior severe weather warning being reported.
Units
We use knots and degrees Celsius as our default units. These units are often used by sailors, kiters, surfers, windsurfers and paragliders. Use website settings to switch between units and 7 different languages at any time. For converting between wind speed units such as knots, km/h (kilometers per hour), m/s (meters per second), and mph (miles per hour) use our wind speed calculator.