Windsurfing in Guanacaste
2 windsurfing spots in Guanacaste, Costa Rica. The colours show each month: the stronger, the better for windsurfing.
Find the best time to goTap a spot to see when to go: wind, waves, water temperature, sun and rain in every month, from years of weather statistics.
Updated October 2026 · weather data 2022–2026
In short
- Best time for windsurfing in Guanacaste: January.
- Top picks: Lake Arenal – Tilarán & Bahía Salinas.
Lake Arenal – TilaránGuanacaste, Costa Rica · best January–FebruaryIntermediate and up · ✈ FON 43 kmWindy days per month (15+ knots)
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Best time to go →
Windy days: days with at least 2 hours of 15+ knots between 9:00 and 18:00, averaged over recent years.
Month by month in Guanacaste
| Month | Windy days | Water | Wetsuit | Air |
|---|---|---|---|---|
| JanuaryJan | 28 | – | 25°C | |
| FebruaryFeb | 26 | – | 25°C | |
| MarchMar | 23 | – | 28°C | |
| AprilApr | 21 | – | 28°C | |
| MayMay | 16 | – | 29°C | |
| JuneJun | 7 | – | 27°C | |
| JulyJul | 19 | – | 26°C | |
| AugustAug | 15 | – | 27°C | |
| SeptemberSep | 7 | – | 27°C | |
| OctoberOct | 2 | – | 26°C | |
| NovemberNov | 7 | – | 25°C | |
| DecemberDec | 21 | – | 25°C |
Averages of the 2 spots on this page. Best months highlighted. Air: average daytime high.
Questions
When is the best time for windsurfing in Guanacaste?
Best time for windsurfing in Guanacaste: January.
Is Guanacaste good for beginners?
The spots here suit intermediate and advanced riders more than beginners.
Which airport is closest?
La Fortuna Arenal Airport (FON), 43 km from Lake Arenal – Tilarán; Daniel Oduber Quirós International Airport (LIR), 52 km from Bahía Salinas.