Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Tamarindo surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 11 pm Tuesday 16 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Tamarindo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tamarindo sea temperature is
28.2° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Tamarindo today?
The current surf forecast for Tamarindo at 7AM is: 0.6m 15s primary swell from a Southwest direction (forecast issued at 11:00pm December 16). An open ocean swell of 0.5m 6s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 2ft (0.6m) | 15s |
| Afternoon (17 Dec) | 1.5ft (0.4m) | 14s |
| Evening (17 Dec) | 2ft (0.6m) | 13s |
Table - waves today at Tamarindo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 134 | 171 | 171 | 134 | 134 | 104 | 73 | 109 | 109 | 142 | 111 | 111 | 111 | 111 | 109 | 106 | 100 | 93 | 92 | 92 | 92 | 92 | 90 | 90 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | off | cross- off | cross- off | glass | cross- on | glass | off | off | cross- off | glass | on | on | on | on | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:05PM 1.88 | 1:11AM 2.18 | 1:49PM 1.94 | 1:54AM 2.23 | 2:30PM 2.00 | |||||||||||||||||||
Low Tide / height (m) | 6:58AM 0.52 | 6:58PM 0.68 | 7:41AM 0.45 | 7:42PM 0.62 | 8:22AM 0.38 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:25 | - |
 | |  |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 24 | 25 | 29 | 29 | 26 | 26 | 24 | 24 | 24 | 26 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 26 | 29 | 29 | 27 |
| Feels °C (?) | 28 | 28 | 26 | 26 | 27 | 32 | 32 | 29 | 30 | 26 | 26 | 26 | 29 | 31 | 28 | 29 | 30 | 30 | 28 | 27 | 28 | 31 | 30 | 28 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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