Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Roca Alta surfForecast / Limon / Costa Rica
48hr Weather and Surf, issued 11 am Saturday 13 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Roca Alta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Roca Alta sea temperature is
28.4° C
(Which is normal for this time of year)How big are the waves at Roca Alta today?
The current surf forecast for Roca Alta at 5PM is: 1.8m 9s primary swell from a East-northeast direction (forecast issued at 11:00am December 13). The wind direction is predicted to be onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 6ft (1.8m) | 9s |
| Afternoon (13 Dec) | 6ft (1.8m) | 9s |
| Evening (13 Dec) | 5.5ft (1.7m) | 9s |
Table - waves today at Roca Alta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 559 | 547 | 547 | 535 | 475 | 475 | 449 | 459 | 469 | 520 | 547 | 547 | 559 | 508 | 572 | 519 | 508 | 497 | 450 | 440 | 440 | 388 | 354 | 316 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | on | glass | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross | cross- on | glass | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 7:51AM 0.32 | 7:02PM 0.14 | 8:24AM 0.35 | 8:10PM 0.09 | 8:56AM 0.37 | 9:39PM 0.05 | ||||||||||||||||||
Low Tide / height (m) | 2:44PM 0.08 | 12:55AM -0.01 | 4:03PM 0.04 | 1:05AM 0.02 | 5:16PM 0.01 | 12:58AM 0.03 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | 5:39 | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:41 |
| Sunset | - | - | 5:12 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - |
 | | |  | | | |  | | | |  |  | | |  | | |  |  | | | |  | |
Rain (mm) | 4 | 3 | 3 | 4 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 3 | 3 | 2 | 2 | 3 | 1 | - | - | - | - | - | - |
| Temp. °C | 26 | 27 | 27 | 25 | 25 | 25 | 24 | 24 | 26 | 27 | 27 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 |
| Feels °C (?) | 30 | 31 | 31 | 29 | 28 | 28 | 26 | 27 | 29 | 30 | 30 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 29 | 30 | 28 | 26 | 25 | 25 |
- 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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