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:
Mazagon surfForecast / Andalucia / Spain
48hr Weather and Surf, issued 6 am Saturday 13 Dec 2025 CETForecast update in hr min s Forecast update imminent
Mazagon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mazagon sea temperature is
15.9° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Mazagon today?
The current surf forecast for Mazagon at 11AM is: 0.6m 18s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 06:00am December 13). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 2.5ft (0.7m) | 18s |
| Afternoon (13 Dec) | 2ft (0.6m) | 18s |
| Evening (13 Dec) | 1.5ft (0.5m) | 17s |
Table - waves today at Mazagon. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 281 | 334 | 255 | 249 | 243 | 197 | 130 | 124 | 88 | 60 | 54 | 33 | 52 | 46 | 44 | 34 | 17 | 60 | 54 | 52 | 51 | 51 | 37 | 89 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | off | cross- off | cross- on | on | cross- on | on | cross- on |
High Tide / height (m) | 10:13AM 2.63 | 10:57PM 2.49 | 11:14AM 2.62 | 11:51PM 2.58 | 12:08PM 2.64 | 12:38AM 2.68 | ||||||||||||||||||
Low Tide / height (m) | 4:04AM 1.28 | 4:54PM 1.11 | 5:15AM 1.24 | 5:50PM 1.08 | 6:12AM 1.16 | 6:35PM 1.03 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | 8:30 | - | - | - | - | - | - | - | 8:32 | - | - | - | - | - | - | - | 8:33 | - | - | - | - | - |
| Sunset | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - |
 | |  |  |  | | |  |  | | | | | | | | | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 8 |
| Temp. °C | 15 | 14 | 14 | 17 | 18 | 17 | 16 | 15 | 14 | 13 | 13 | 16 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 15 | 15 | 14 | 15 | 13 |
| Feels °C (?) | 10 | 8 | 7 | 10 | 12 | 13 | 12 | 10 | 9 | 7 | 7 | 11 | 13 | 14 | 13 | 12 | 11 | 11 | 12 | 13 | 14 | 11 | 12 | 8 |
- 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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