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Surf Forecasts:
Rio Tulin surfForecast / Golfo de Nicoya / Costa Rica
48hr Weather and Surf, issued 5 am Sunday 28 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 11AM is: 0.4m 15s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 05:00am December 28). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | 1.5ft (0.4m) | 15s |
| Afternoon (28 Dec) | 1.5ft (0.4m) | 14s |
| Evening (28 Dec) | 1.5ft (0.4m) | 14s |
Table - waves today at Rio Tulin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wed 31 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 8 | 8 | 8 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 54 | 54 | 54 | 54 | 54 | 54 | 53 | 32 | 28 | 28 | 33 | 44 | 44 | 44 | 44 | 44 | 37 | 37 | 37 | 41 | 41 | 41 | 69 | 98 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | glass | on | cross- on | cross- on | glass | cross- off | cross- off | off | glass | on | cross- on | glass | glass | off | cross- off | cross- off | glass | on | cross- on | glass | glass | glass |
High Tide / height (m) | 8:18AM 2.20 | 8:51PM 2.52 | 9:20AM 2.16 | 9:51PM 2.54 | 10:29AM 2.16 | 10:56PM 2.59 | ||||||||||||||||||
Low Tide / height (m) | 2:18AM 0.65 | 2:24PM 0.59 | 3:18AM 0.62 | 3:24PM 0.63 | 4:24AM 0.56 | 4:30PM 0.62 | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wed 31 | |||||||||||||||||||||
| Sunrise | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 5:25 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:27 | - | - | - |
 |  | | | |  | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 24 | 24 | 26 | 27 | 27 | 27 | 26 | 25 |
| Feels °C (?) | 27 | 26 | 29 | 29 | 29 | 30 | 30 | 28 | 28 | 26 | 28 | 29 | 28 | 30 | 29 | 28 | 26 | 25 | 29 | 29 | 29 | 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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