Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Nosara Beach surfForecast / Guanacaste / Costa Rica
48hr Weather and Surf, issued 5 pm Wednesday 10 Dec 2025 CSTForecast update in hr min s Forecast update imminent
Nosara Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nosara Beach sea temperature is
28.3° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Nosara Beach today?
The current surf forecast for Nosara Beach at 10PM is: 0.7m 13s primary swell from a South-southwest direction and 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 05:00pm December 10). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | - | - |
| Afternoon (10 Dec) | 2.5ft (0.7m) | 14s |
| Evening (10 Dec) | 2.5ft (0.7m) | 13s |
Table - waves today at Nosara Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 201 | 187 | 178 | 176 | 173 | 170 | 162 | 119 | 117 | 113 | 113 | 113 | 111 | 79 | 28 | 28 | 28 | 47 | 60 | 60 | 60 | 60 | 58 | 58 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | glass | off | off | cross- off | cross- off | glass | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | glass | glass | glass | off | off | glass | cross- off |
High Tide / height (m) | 7:05PM 2.11 | 7:20AM 1.97 | 8:00PM 2.04 | 8:18AM 1.83 | 8:56PM 1.98 | 9:19AM 1.73 | ||||||||||||||||||
Low Tide / height (m) | 12:44PM 0.21 | 1:17AM 0.45 | 1:36PM 0.35 | 2:17AM 0.54 | 2:31PM 0.48 | 3:19AM 0.60 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:48 | - | - | - | - | - | - | - | 5:50 | - | - |
| Sunset | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - |
 |  |  | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 26 | 25 | 24 | 24 | 27 | 29 | 28 | 26 | 25 | 24 | 24 | 24 | 26 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 27 | 29 |
| Feels °C (?) | 31 | 30 | 30 | 27 | 27 | 26 | 29 | 33 | 31 | 29 | 28 | 27 | 27 | 27 | 29 | 31 | 29 | 29 | 30 | 29 | 28 | 27 | 31 | 31 |
- 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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