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:
Raps surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Wednesday 17 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Raps surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Raps 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 Raps today?
The current surf forecast for Raps at 11PM is: 0.6m 13s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 05:00pm December 17). The wind direction is predicted to be offshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | - | - |
| Afternoon (17 Dec) | 1.5ft (0.4m) | 14s |
| Evening (17 Dec) | 2ft (0.6m) | 13s |
Table - waves today at Raps. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 74 | 109 | 109 | 111 | 111 | 111 | 111 | 111 | 109 | 106 | 100 | 93 | 92 | 92 | 92 | 92 | 71 | 90 | 89 | 69 | 69 | 47 | 84 | 84 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | glass | off | off | cross- off | cross- off | glass | on | on | cross- on | glass | cross- off | cross- off | cross- off | cross- off | off | glass | off | off | off | cross- off | cross- off | off |
High Tide / height (m) | 1:04PM 1.87 | 1:11AM 2.17 | 1:49PM 1.93 | 1:54AM 2.22 | 2:31PM 1.99 | 2:35AM 2.27 | ||||||||||||||||||
Low Tide / height (m) | 6:57PM 0.68 | 7:41AM 0.45 | 7:42PM 0.63 | 8:22AM 0.38 | 8:24PM 0.58 | 9:02AM 0.33 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - |
| Sunset | 5:24 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:25 | - | - | - | - | - | - | - |
 |  | | | |  | | | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 29 | 26 | 25 | 24 | 24 | 24 | 26 | 28 | 28 | 26 | 25 | 24 | 24 | 23 | 26 | 29 | 29 | 27 | 25 | 24 | 23 | 23 | 27 | 29 |
| Feels °C (?) | 32 | 29 | 29 | 26 | 26 | 27 | 28 | 31 | 31 | 29 | 28 | 27 | 27 | 25 | 28 | 31 | 30 | 31 | 27 | 25 | 25 | 24 | 27 | 30 |
- 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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