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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:
Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica
48hr Weather and Surf, issued 5 am Monday 29 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Rio Tulin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rio Tulin sea temperature is
28.8° C
(Which is slightly warmer than usual)How big are the waves at Rio Tulin today?
The current surf forecast for Rio Tulin at 12PM is: 0.4m 13s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South direction (forecast issued at 05:00am December 29). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Dec) | 1ft (0.3m) | 13s |
| Afternoon (29 Dec) | 1.5ft (0.4m) | 13s |
| Evening (29 Dec) | 1.5ft (0.4m) | 13s |
Table - waves today at Rio Tulin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 29 | Tuesday 30 | Wednesday 31 | Thu 01 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 8 | 8 | 8 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 28 | 33 | 44 | 44 | 44 | 44 | 44 | 34 | 37 | 37 | 41 | 41 | 41 | 69 | 98 | 98 | 98 | 69 | 93 | 115 | 113 | 113 | 113 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | glass | on | cross- on | glass | glass | off | cross- off | off | glass | cross- on | cross- on | cross- on | glass | off | off | cross- off | glass | glass | glass | cross | glass | off |
High Tide / height (m) | 9:20AM 2.16 | 9:51PM 2.54 | 10:29AM 2.16 | 10:56PM 2.59 | 11:39AM 2.22 | |||||||||||||||||||
Low Tide / height (m) | 3:18AM 0.62 | 3:24PM 0.63 | 4:24AM 0.56 | 4:30PM 0.62 | 5:30AM 0.45 | 5:38PM 0.57 | ||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thu 01 | |||||||||||||||||||||
| Sunrise | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - |
 |  | | | |  | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 29 | 27 | 27 | 25 |
| Feels °C (?) | 28 | 26 | 29 | 29 | 29 | 31 | 30 | 28 | 27 | 25 | 29 | 29 | 29 | 30 | 29 | 27 | 27 | 27 | 29 | 31 | 32 | 30 | 31 | 27 |
- 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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