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:
Castelejo surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 pm Saturday 13 Dec 2025 WETForecast update in hr min s Forecast update imminent
Castelejo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castelejo sea temperature is
16.6° C
(Which is slightly cooler than normal)How big are the waves at Castelejo today?
The current surf forecast for Castelejo at 10PM is: 3.5m 16s primary swell from a Northwest direction (forecast issued at 05:00pm December 13). An open ocean swell of 0.8m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 13ft (4.0m) | 17s |
| Evening (13 Dec) | 11ft (3.5m) | 16s |
Table - waves today at Castelejo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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) (?) | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 10 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 8742 | 6861 | 5722 | 4885 | 3326 | 2967 | 2471 | 1990 | 1659 | 1518 | 1659 | 1922 | 2031 | 2091 | 2130 | 2056 | 1783 | 1452 | 2547 | 1120 | 3659 | 5124 | 8040 | 9240 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- off | cross | cross | cross- off | cross- off | glass | glass | glass | on | cross- off | cross- off | cross- off | cross- on | cross | cross- off | on | on | on | on | cross- on | on |
High Tide / height (m) | 9:59PM 2.12 | 10:17AM 2.21 | 10:55PM 2.20 | 11:12AM 2.23 | 11:42PM 2.30 | 12:00PM 2.28 | ||||||||||||||||||
Low Tide / height (m) | 3:42PM 0.79 | 4:04AM 0.91 | 4:37PM 0.78 | 5:03AM 0.85 | 5:25PM 0.73 | 5:51AM 0.75 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:41 | - |
| Sunset | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  |  | | |  |  | |  |  |  |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 16 | 3 | 2 | 2 | 2 | 2 |
| Temp. °C | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels °C (?) | 14 | 14 | 12 | 12 | 12 | 12 | 11 | 14 | 15 | 16 | 15 | 15 | 14 | 13 | 14 | 13 | 11 | 9 | 3 | 4 | 2 | 1 | 3 | 0 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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