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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 pm Sunday 04 Jan 2026 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
28.7° C
(Which is slightly warmer than usual)How big are the waves at Rio Tulin today?
The current surf forecast for Rio Tulin at 8PM is: 0.5m 15s primary swell from a South-southwest direction and 0.5m 6s secondary swell from a South direction (forecast issued at 05:00pm January 04). The wind direction is predicted to be glassy.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Jan) | - | - |
| Afternoon (04 Jan) | 1.5ft (0.5m) | 15s |
| Evening (04 Jan) | 1.5ft (0.5m) | 15s |
Table - waves today at Rio Tulin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 130 | 125 | 123 | 142 | 186 | 183 | 180 | 133 | 125 | 204 | 253 | 249 | 195 | 151 | 98 | 111 | 103 | 83 | 56 | 56 | 82 | 56 | 56 | 56 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | glass | cross- off | cross- off | cross- off | glass | cross- on | cross | cross | cross- off | cross- off | cross- off | off | glass | cross- on | cross- on | cross | glass | off | cross- off | off | glass | cross- on |
High Tide / height (m) | 3:34PM 2.73 | 3:47AM 2.91 | 4:24PM 2.80 | 4:36AM 2.86 | 5:11PM 2.82 | 5:24AM 2.76 | ||||||||||||||||||
Low Tide / height (m) | 9:37PM 0.22 | 10:07AM -0.05 | 10:28PM 0.22 | 10:54AM -0.01 | 11:18PM 0.26 | 11:39AM 0.08 | ||||||||||||||||||
Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - |
| Sunset | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - |
 |  |  | | | | | | | | |  | | | | | | | | | | | |  | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | 2 | 2 | 1 | - | - | - | - | - | - | 1 | 1 | - | - | - | - |
| Temp. °C | 27 | 27 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 27 | 27 | 26 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 24 | 26 | 27 |
| Feels °C (?) | 30 | 31 | 30 | 29 | 27 | 26 | 30 | 30 | 30 | 30 | 31 | 29 | 27 | 25 | 28 | 29 | 29 | 30 | 30 | 29 | 27 | 25 | 29 | 29 |
- 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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